Speaking Out Against High Oleic OIls

What are high oleic oils?

The food industry profits by selling foods made from inexpensive ingredients with long shelf lives. Not all that long ago, transfats were added to our foods because they fully met these requirements. Then, in the 1950s, studies began to show that transfats were not healthy but, lacking definitive proof of problems, transfats remained in our foods. ImageBy 1996, scientists estimated that transfats had caused some 20,000 deaths. Faced with a threat of an outright ban on transfats and the fact that customers no longer wanted transfats in their foods, the food industry realized it was going to have to reformulate its fats. They began looking for a replacement for transfats.

Initially, many simply increased their use of sunflower and safflower oils. These plants grow easily in a Northern climate; their oils are relatively inexpensive and are quite high in omega-6s, which provides a high heat tolerance and a long shelf life. But the food industry needed more. The rush was on to use a variety of cutting edge hybridizing techniques (such as radiation and chemical mutagenesis) to create seed varieties very high in a particular type of unsaturated fat (MUFA, monounsaturated fatty acid) and also very heat stable. High oleic sunflower and high oleic safflower oil came to market first, but high oleic canola, high oleic soybean, and high oleic corn oils are now vying for their share of their of this lucrative market. In summary: High oleic oils are oils made from new varieties of plants. While they are hybrids rather than genetically modified plants, they are not created by the use of traditional methods, instead radiation and toxic chemicals are used to speed up the process. No one has eaten these varieties for any length of time and this is a red flag for me. We know which foods are healthy, which spices, and which herbs are beneficial based on a long history of humans ingesting them. Instead of gold standard double blind medical studies, we rely on thousands of years of use to guide our choices.

I am always skeptical of any food that does not either have traditional usage or solid medical research data proving safety. And there is a basis for my conservative view. A recent New York Times article confirms that as we hybridize plants to get sweeter vegetables that travel and store well, we consistently trade off one benefit for another. And often what we lose is nutrition. A sweeter hybrid berry is lower in omega-3 fats than an heirloom berry. An apple hybridized to travel well has fewer antioxidants than an heirloom variety. That, of course, raises questions about the changes they are making to the fat ratios of our soy, canola, corn, safflower, and sunflower seeds. What other changes occurred in the seed hybridized with radiation and toxic chemicals. Do we know?

We do not. We do not even know that a sunflower seed oil with a higher MUFA content is better for us. The assumption that it is better comes from research showing that olive oil with a high MUFA content is healthier for you than margarine filled with transfats. We assume that yet more MUFA is better simply because we tend to believe that more is always better. The fact that we do not know that more MUFA is better is a problem. The fact that we do not know what else may have changed in the oil seeds as scientists selected for higher MUFA content is a bigger problem.

The third strike comes from the nature of the companies working to create and market these oils. ImageThe big players in this arena are: Cargill, Archer Daniels Midland, and BASF. The former are two of the big players in the Corn Refiners Association (CRA), said to use tactics such as threatening to sue cooperatives like PCC for informing the public of research linking high fructose corn syrup and fatty liver disease. BASF is a German chemical company. I am reluctant to accept assurances from these companies that their new creations are healthy innovations that I should include in my diet.

The fourth strike (and you are only allowed three) is that I see no benefit to me from these oils. High oleic oils are marketed based on the following benefits:

1. High oleic oils can be used both in the deli and in high heat frying. So stores such as Whole Foods, PCC, and Safeway can use the same oil in their deli salads and in the deep fat fryer or skillets. They only need to stock one oil and can buy it in greater volume which saves money.

2. High oleic oils are less expensive that traditional oils such as EVOO.

3. If high oleic oils are used, the oil in the deep fat fryer does not have to be changed as often. Fish can be fried in the oil and then chicken can be fried in the same oil without the chicken taking on the flavor of the fish.

None of those advantages interest me. None of those advantages benefit me.

I am very skeptical of the concept of better living through chemistry. I distrust the food giants Cargill, Archer Daniels Midland, and companies like BASF. I actually am troubled that that Cargill and BASF are combining their efforts and hundreds of millions of dollars to genetically enhance the omega-3 content of canola oil. I am also concerned with Cargill’s Clear Valley heat stable omega-3 oil. The fragility of omega-3s is at the core of their benefit, they are, and should be, highly reactive compounds. I do not believe that these new fats will prove healthy. Remember, we were told transfats were better for us than butter and olive oil. Many ended up paying for believing those marketing promises with their health. Now they are marketing high oleic as preferable to EVOO. Are you ready to buy into those marketing promises? I am not.

Unfortunately, the health food industry has. Today most of our “healthy” chips, crackers, cookies, deli salads, and more increasingly contain high oleic oils. Nutritionists at PCC assure us that the HOS in the deli salad is beneficial to you. I think it is time for us consumers to speak up. We should stick with our old tried and true foods. We should demand EVOO for the deli salads and, if a high heat oil is needed, maybe some heirloom sunflower oil for the fryer but no high oleics of any type.

Read Jo Robinson’s on losses and gains when foods are hybridized here: http://www.nytimes.com/2013/05/26/opinion/sunday/breeding-the-nutrition-out-of-our-food.html?pagewanted=all&_r=0

Photo: “Amflora_Pflanzung_2010_1 blog-cc-man by BASFPlant Science

NOTE: You are welcome to use my blog’s original images and content for non-commercial purposes but only if if you attribute the work to me (Kathy Abascal) and link back to the blog. This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License.

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About kathyabascal

Herbalist with a background in neurobiology, biochemistry, and law. Teacher of the TQIDiet, how to quiet inflammation with food.
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34 Responses to Speaking Out Against High Oleic OIls

  1. Cheri Falk says:

    Kathy do you have any brands for sunflower oil you like? I just read on my Spectrum Organic Sunflower Oil…it was high oleic. 😦 I mostly use EVOO but for high temps had been using the sunflower oil.

    • kathyabascal says:

      As noted in my blog on cooking oils, I don’t think most of us need a high heat oil (see http://https://tqidiet.wordpress.com/2011/10/10/choosing-a-cooking-oil/) but if I were to use one, I'd likely get either Flora's organic sunflower oil or La Tourangelle's organic sunflower. Both of those companies seem quite concerned with carefully produced oils.

      • Nick Rose says:

        fyi …
        1) La Tourangelle’s organic sunflower oil is a high-oleic oil. According to their website:

        “Not only a beautiful flower, sunflower also yields a versatile oil with a high level of oleic fatty acids, making it perfect for high temperature cooking. In short it is the perfect wonderful everyday organic cooking oil.” http://latourangelle.com/index.php/100-organic-sunflower-oil.html

        High level of oleic fatty acids – makes it both heart-healthy AND versatile in the kitchen (ok for high temps). Sounds good to me!!

        2) Flora’s sunflower oil, on the other hand – is NOT a high-oleic oil, instead it is particularly high in omega-6 fatty acids (PUFAs) and as a result is NOT a good choice for high heat cooking, as Flora state’s on their website:

        “Use Flora Sunflower Oil cold in salad dressings and mayonnaise. It can also be used for light stir-frying, sautéing and baking.”
        http://www.florahealth.com/product_categories_usa.cfm?category_id=6&prod_id=253

      • kathyabascal says:

        After getting this comment from Nick, I contacted Tourangelle about their sunflower oil but got no answer back. So apparently I misread the description of the oil & it is a true high oleic oil rather than an oil naturally high in oleics. So, I would not use it.
        And now that I have corrected your typo and my error, Nick, perhaps you could correct your blog to report on the study finding that people would need to eat 150 lbs of broccoli a day to get the amount of erucic acid in canola oil?

  2. Thank you for this. Do you know if PCC has any sort of statement out on their use of these oils? I would be interested in knowing their take.

  3. Nick Rose says:

    Nick Rose, a Nutritional Educator for PCC posted a long comment on this blog. For ease of following our dialogue, I have pasted his comments into my reply.

    • kathyabascal says:

      My interspersed comments to Nick’s are bolded.
      I understand your skepticism in using “new oils” like high-oleic varieties of safflower/sunflower oil; however (in my humble opinion) these oils are not as bad as you make them out to be. Just to be clear: I see no proof of benefit and I am skeptical of unsubstantiated health claims. I did not make high oleic oils out to be bad, I just said their background is murky and the jury is out on their benefits. And until the jury is back, I think we should skip these oils.
      For starters, high-oleic oils are clearly not a new “replacement for transfats”, as these are liquid oils, not solid fats. And therefore these liquid oils would not be useful for stabilizing peanut butter, adding shelf life to tortillas, or texture to baked goods. So this is not a fair comparison. The literature is quite clear that high oleic oils are being developed to serve as a replacement for transfats. They are not being promoted because they have a long history of use and a long list of properly designed studies showing health benefits. Instead: “The seeds—soybean from DuPont and canola and sunflower from Dow—yield crops with a higher proportion of mono-unsaturated oleic acid compared with nonenhanced versions. The two companies developed the new oils as alternatives to partially hydrogenated vegetable oils, which contain unhealthy levels of trans fats.” [Fn.1] “High-oleic canola oils are among the major healthful oils replacing trans fat in food processing and foodservices in North America. . . . research and development have focused on reducing the level of [PUFAs] through plant breeding or bioengineering. . . . to produce high-oleic oils. ” [Fn. 2]

      Second, high-oleic sunflower and safflower oils were not produced with “radiation and toxic chemicals” as you suggest here. High-oleic safflower oil was “discovered” in the US by a researcher at UC-Davis who spent decades traveling the world searching for biodiversity within the safflower family, and he eventually discovered a high-oleic safflower variety growing in India. This discovery was of a spontaneous mutation in the safflower plant that occurred naturally, causing the safflower to produce more oleic acid, and much less linoleic acid. He took this variety back to California, and bred this trait into safflower varieties that were already being produced in North America (using traditional breeding techniques, this was long before GMOs). Here is a link to the UC-Davis Dept of Plant Sciences page, where you can read about his contributions to safflower oil research: http://ucanr.org/sites/plantbreeding/files/151269.pdf I cannot speak to the history of high oleic corn and soybean oils, it is possible that they did use the methods of “radiation and toxic chemicals” which you referred to in your posting. (but we don’t carry those oils at PCC) For now, let’s focus on the two of three oils you recommend: High oleic-safflower and high oleic-sunflower. The fact is that scientists quickly (in a matter of decades) developed these oils to replace transfats. Mid-oleic sunflower oil entered the market in 1995. High-oleic safflower perhaps came 5 years earlier. These are very new foods.

      And high oleic oil hybrid work has involved, and continues to involve, the use of male sterilants. “In India, too, efforts are under way to develop a CGMS system in safflower . . . [these] are being developed by . . .mutagenesis with [the antibiotic] streptomycin B.” [Fn.3] In sunflower, the chemical benzotriazole is used for the same purpose. [Fn.4] I am not in any way expert in plant hybridizing but what is underway is often quite different that the pollen transfer of the “good old days.” Add to this the work using gene silencing as another way to create yet higher oleic seeds and the fact that these high oleic oils are deodorized as part of the process. I am sure many biologists out there will swear that none of this changes anything. Nonetheless, it simply is not the same as coming across a naturally occurring heirloom variety in the wild.

      Ultimately, my real concern is that we do not know all that may be changing as scientists doggedly pursue seeds that are disease tolerant and have a high MUFA and low PUFA content. We do not have any basis for concluding that these hybrids are better for us – or even as good for us – as our old food EVOO. Moreover, consumers are not demanding high oleic oils because they taste better. These oils are being marketed for shelf life, their heat tolerance, their bland taste, their ability to be grown on poor soil in difficult climates, and apparently because they can make a deli salad look more appetizing.

      Third, you state that “We do not even know that a sunflower seed oil with a higher MUFA content is better for us”…but a quick search in PubMed retrieves an article from the 2005 Journal of the American Dietetic Assoc with the title “A diet rich in high-oleic-acid sunflower oil favorably alters low-density lipoprotein cholesterol, triglycerides, and factor VII coagulant activity” http://www.ncbi.nlm.nih.gov/pubmed/15983523 confirming that the MUFA rich sunflower/safflower oils do offer similar cardio-protective benefits as olive oil. This study, using 15 healthy adults, concluded: “Substitution of foods rich in saturated fat with foods rich in high-oleic-acid sunflower oil and margarine has favorable outcomes on blood lipids and factor VIIc.” (Emphasis added.) That does not come close to proving that high oleic oils are as beneficial as olive oil. Back in 1975, I could have quoted a study of 33 healthy adults that showed that the body reacts to transfatty acids just as it does to naturally occurring cis fatty acids. [Fn. 5] I would have been dead wrong. As mentioned, I want my foods to have a long history of use in the human diet. If I am swayed to change how I eat based on research, I look for large, well-designed studies not funded by interested members of the food industry.

      My fourth and final challenge to your article is where you state that “Nutritionists at PCC assure us that the HOS in the deli salad is beneficial to you…. We should demand EVOO for the deli salads and, if a high heat oil is needed, maybe some heirloom sunflower oil for the fryer but no high oleics of any type.”
      Hopefully by now I have convinced you (and your readers) that high-oleic oils in the deli salads are beneficial to your health….and no, we don’t have a deep fryer in our kitchens, but if we did – why would we want to use an “heirloom sunflower oil for the fryer”??? because that heirloom variety would contain omega 6-rich PUFAs, which would oxidize easily at those high temps, therefore promoting inflammation in the body, and of course the linoleic acid would also promote additional inflammation. (but again, we don’t have a deep fryer at PCC) Traditionally safflower and sunflower were used along with peanut oil exactly because they are less heat sensitive. I referred to the oils as “heirloom” to distinguish them from high oleics or GM oils, not to suggest that they should be unrefined. I am glad PCC does not have a deep fat fryer – neither do I. There is little doubt we need to limit truly high heat cooking when no matter what fat is involved chemical changes occur that are not good for us.

      This question comes up frequently at PCC delis, and so we have tried making dishes such as the Emerald City Salad with only EVOO, but the EVOO congeals (turns solid) at room temperature, and is not very attractive in the deli case. Using a 50/50 mixture of EVOO with high-oleic safflower oil ensures that our shoppers can enjoy food that looks appealing and still provides healthy fats, in the form of MUFAs. Olive oil does not solidify at usual room temperatures; it does solidify when refrigerated. High oleic oils do not solidify at low temperatures, so might the deli preference be because pre-prepared foods are kept refrigerated? Regardless, I am not interested in adding a new form of fat to my diet because it makes deli salads look more attractive.

      I do agree with you that we should be skeptical of novel foods lacking traditional histories, and I also read Jo Robinson’s piece in the NYT about “breeding the nutrition out of our food” and I acknowledge that the varieties of fruits and vegetables in most produce departments today are inferior both nutritionally and deliciously when compared to heirloom varieties. But, as an advocate for anti-inflammatory eating, I am sure that you can see the nutritional advantage of cooking with seed oils rich in oleic acid (MUFA), rather than seed oils omega 6 rich PUFAs – right? No. I think the hybridized high oleic seed oils are likely just as inferior nutritionally (and definitely are inferior deliciously given that most are marketed as having no taste) as those new fruits and vegetables in most produce departments. I actually think the high oleics probably are worse given the intricacy of the pathways for using and digesting fats, and the problems that crop up when the body cannot fully metabolize fats, such as in the case of transfats.

      So, we are going to have to agree to disagree. I will continue recommending that consumers stick with EVOO as the dominant fat in their diet, that they refrain from mixing their EVOO with any high oleic oils, and actually avoid all of the high oleics working their way into a significant number of our processed “healthy” snack and deli foods.
      Fn.1 Bomgardener M. Replacing Transfats. Chemical & Engineering News 2012; 90:30-31.
      Fn. 2 Liu L, Iassonova D. High-oleic oils and their food applications. AOCS Sept. 2012
      Fn. 3 Genetic resources, chromosome engineering, and crop improvement volume 4. (editor Ram J Singh.) CRC Press 2007, p. 183.
      Fn. 4 Tripathi SM, Singh KP (2013) Hybrid Seed Production in Helianthus annuus L. through Male Sterility Induced by Benzotriazole. 2:645 doi:10.4172/scientificreports.645.
      Fn. 5 Mattson FH, Hollenbach EJ, Kligman AM Effect of hydrogenated fat on the plasma cholesterol and triglyceride levels of man. Am J Clin Nutr 1975;28:726-731.
      Fn. 6 .

  4. Melita says:

    Thank you for your speaking out and taking time to back your arguments with sources,
    as well as for posting this discussion in an easy-to-follow form.

    “EVOO congeals (turns solid) at room temperature” part is absolutely striking.
    Nutritional Educators are getting more professional every day. Thank God I don`t eat out much.

    • Nick Rose says:

      oopsie…type-O, thanks for catching this!! … I definitely meant to type “EVOO congeals (turns solid) at REFRIGERATED temperatures…” We obviously don’t keep our deli salads at ROOM temperatures in our PCC delis – the health dept certainly wouldn’t allow that!!

      Cheers!!

  5. Samia says:

    How about let’s greatly reduce consumption of all oils. If you like the feel and taste of oil in your mouth, then pour something like Udo’s Oil onto your cooked food. Just a bit. I’m not convinced that extracted oils are a necessity (but am willing to be corrected). We can consume the whole seed in moderate quantity instead.

    • kathyabascal says:

      It is true that humans can do just fine without processed oils and can get what they need from foods. Personally, I’d rather have a great olive oil or walnut oil drizzled on my food than Udo’s Oil but that is beside the point.

      • Samia says:

        Djo you mean unrefined walnut oil, or good-quality refined walnut oil? I seem unable to find the unrefined version in the stores here. I’ve heard that so long as low temperatures are maintained during the refining, and no chemicals or harsh methods are used, refined oils are ok from a health perspective. What is your opinion. Tk. you.

      • kathyabascal says:

        You can get Tourangelle walnut oil online and in many food stores. Here is their spiel:
        “For instance most of the walnuts we use come from the orchard located next to the oil mill. We buy the crop and sundry the walnuts in the traditional way. Each batch of nut oil is unique and handcrafted following a 150 year tradition. First the nuts are hand roasted in cast iron kettles before being expeller-pressed. The oil is then lightly filtered and bottled. Our roasted nut oils are very flavorful with rich colors and more natural antioxidants than refined nut oils because many are removed during the refining process.
        How refined nut oils are produced:
        Refined nut oils including refined walnut oil and refined almond oil are made from what is called nut oil stock. Nut oil stocks are actually sub-standard nuts sold at discounted price by California nuts growers to oil manufacturers. The nuts are then expeller-pressed in a screw press and thereafter refined to clean impurities. The result is 100% pure nut oil but with no flavor, no color and no smell. It is suitable for use in the kitchen or for cosmetic.”

  6. Chucks says:

    This is silly and lacks any evidence against the use of high-oleic oils. As does your reply in favor of their use! Ad-hominem attacks (a company has done bad things, this is a product of the company, therefore this product must be a bad thing) and arguments from nature are logical fallacies. Not necessarily; we often look at past behavior to assess probable future behavior. High oleic sunflower oil has a lipid profile which surpasses EVOO and studies have shown it improves HDL/LDL ratios. High oleic oils do have a higher MUFA content but there are no studies I know of showing these oils to be better for us than EVOO. Again, I do not believe that more is always better. Hybridization is an extraordinarily common method of producing new plant varieties, and it does not follow that because some hybrids lack certain positive attributes of their parents that all hybrids must be inferior to their parents. Nor did I say that they do but studies do show that there are trade offs when foods are modified, trade offs that often comes at the expense of nutrition. Your article is pure speculation and you have presented no evidence why unrefined, organic, cold-pressed, high-oleic sunflower oil isn’t the most superior oil. And you have not presented any evidence that it is; but it is a new oil and one created to replace transfats. Of course, the same arguments were made for decades to promote the use of transfats that we now know caused at least 20,000 preventable deaths.

  7. Belle says:

    In a nutshell, are you saying the High-Oleic sunflower/safflower is GMO or NOT GMO?

    Just use Organic Macadamia Nut Oil in it’s natural state.
    Rich in wonderful Omega9; balanced in Omega6 and Omega3
    Macadamia nut oil is the PERFECT solution to ALL your worries!
    And it’s tasty!

    High heat tolerant up to 390°F

    Omega6 to Omega3 Ration 1:1; 80% monosaturated, (83% Omega-9)

  8. joeschultz1 says:

    Instead of EVOO I use light olive oil for its high smoke point. Does that make the light olive oil unhealthy compared to EVOO? Also, I make my own mayo because store-bought has 4% of the RDA for salt in each small portion. I had an attack of Congestive Heart Failure years ago which I keep well under control using Lasix and taking in very little salt-I keep track of all salt going into me and keep it to about 25-30 percent RDA. No problems in years and I take pains to keep it that way. Even light olive oil is too strong tasting when used alone in the mayo-I tried mixing light olive oil with high oleic safflower 50/50 and it tasted good, but now your article has me worried. What kind of oil can I use besides EVOO to make a light tasting, no salt mayo? I’m not remotely interested in GMO stuff, even Spectrum “organic” canola oil uses gene splicing or something like it which rules it out for me. Any suggestions would be appreciated.

    • kathyabascal says:

      I personally do not like light olive oil. It is derived from olive oil that is not worthy of the extra virgin label and then is refined further using either mechanical, thermal or chemical means so that it may once again be fit for consumption. If you read my post on cooking oils, you’ll see that I do not think we as a rule need that high smoke point. And, if you are concerned about heart health, you should not be cooking at temperatures where you need to worry about that.
      I also do not find that a good quality EVOO is too strong to make a good mayonnaise from. There are many resources on the web that explain the different olives and flavors of olive oil available. I suggest you work on exploring them – I am sure you can find one you like. And perhaps work on varying the amount of lemon and spices in your mayonnaise as well.

  9. Nick says:

    I look at this from the standpoint of harm reduction. There is a growing body of evidence that oils that are high in PUFA-6–like soybean, corn and regular sunflower oil–promote inflammation and diseases associated with inflammation including CVD. We did not consume these oils in large quantities until about 50 years ago. In the scheme of things, therefore, high-oleic sunflower oil would seem to be a safer choice if one has to use inherently low-quality seed oils, which are a product of industrialization. The better alternative is, as you note, EVOO, but that is not cost-effective or neutral tasting enough for many uses. Personally, I use only EVOO, butter and EV coconut oil. I can tell you that the anecdotal evidence from my n=1 experience is excellent–great CV fitness, no chronic disease, excellent body composition and abundant good health. Touch wood. So, to reiterate, the documented (in the literature) problems associated with high PUFA-6 oils are best avoided; high-oleic sunflower oil is very likely much safer than the regular kind.

    • kathyabascal says:

      Overall, I think we actually agree. However, in order to do a harm reduction analysis, we need information on the pros and cons. The problem with engineered high oleic oils is that we do not know what changes have resulted as the higher oleic acid content is created. We do know that transfats that once seemed so beneficial actually changed the amounts of oxysterols formed and absorbed in the human body but it took almost half a century to learn that. The fatty acid profile of olive oil appears beneficial but we cannot conclude based on that fact alone that a modified soy or canola oil where genes for PUFA have been quieted and genes for oleic acid production have been augmented are good for us. All we really know is that those changes improve the fat’s shelf life. Sunflower oil, in a natural, unmanipulated form, is a high omega 6 oil. Omega 6s are an essential part of our diet. Our problem is not that our diet includes 6s; it is that it includes too many and too few omega 3s. Rather than switch to transfat replacements such as high oleic oils, simply increase the amount of 3s when 6s are included. That said: Sunflower oil should not have a heavy presence in the diet; it only does in those indulging in too many processed foods. Finally, what is the harm reduction when delis like PCC’s (a Washington coop) dilutes their EVOO with high oleic oils in their salads? Traditionally, EVOO worked perfectly all by itself in dressings.

  10. Jo says:

    Really interesting discussion. I loved the original article and agree with everything it says. I’m not a nutritionist so I can’t back up my thoughts with lots of facts and science, but from the numerous encounters with top nutritionists and from all the information I’ve gathered over the last thirteen years there seems to big a big consensus amongst these people who are all at the top of their field in natural nutrition, macrobiotics, Ayurveda and naturopathy, as well as many other holistic therapists. The consensus is that organic olive oil (only high quality cold pressed oil) is beneficial for us, but that it should never be heated. This is because it looses much of its nutritional value, but much more importantly it becomes toxic. The only oils to use for cooking/hearing are coconut oil (a fantastic hugely healthful oil which can be heated to very high temperatures), and organic (grass-fed) butter or ghee. Those are the only oils I use. It does my head in how many ‘health’ products contain sunflower oil, it is not a natural or healthy product in any way, and another big issue is that it very easily turns rancid. Just the other day an Auyvedic practitioner was telling me we all need to try to avoid and cut out completely all sunflower oil from our diets. I only hope the food industry and rest of the works catch on soon, here’s hoping eh…. Thanks for the great informative article and I hope your message gets across and people eventually will come round to the truth behind all this!

    • kathyabascal says:

      Jo, I think both you and Lisa are going to be surprised by what the EVOO research shows. I will occasionally use coconut oil for flavor but much prefer EVOO in most cooking. Sunflower oil is high in omega 6s and needs to be balanced appropriately but it is not a terrible oil. However, its presence in processed food is a different story; those foods have usually be heated too much and the oil is refined, which means transfats and other oxidized fats likely are present. So we agree that it as a rule is in products that are not natural nor healthy.

  11. Interesting read, kathy. Thank you for the post, although I have to disagree with the basic premise of the article. Here is why – Oleic oil is oleic oil no matter if it is part of olive oil or machine oil, whether it was produced by gentle squeezing of olives or by chemical/enzymatic reaction It has a well defined structure and it is either oleic oil or not. The example of trans-fats that you refer to is not applicable in this context – trans fats were/are artificial oils, so this is a completely different story. So, I think high oleic oil oils are actually good for general population as replacement of trans-fats and saturated fats and also for health conscious people in home cooking. I understand your argument about “greedy companies” but there are a lot of things in the world that “greedy companies” invent that are actually good for you. This is one of those RARE cases,

    • kathyabascal says:

      Yes, a rose is a rose is a rose. Equally, oleic acid is oleic acid is oleic acid, no matter what. That does not change the fact that, by definition, zero transfats can mean that there is up to 0.5 grams of transfats per serving. So, transfats are generated in the refining of high oleic oils even though oleic oil is oleic oil is oleic oil. EVOO truly has zero transfats.
      In addition it is quite clear that the health benefits of EVOO are not only due to the presence of oleic oil but to antioxidants and anti-inflammatory compounds in evoo (see my latest blog “extra virgin olive or high oleic oil ). High oleic oils do not have these beneficial compounds to begin with and the heavy refining involved in their creation would have destroyed them, had they been there. I’ll soon be writing a blog on research showing that high oleic oils are not comparable, let alone better, than EVOO. In the mean time: Sure high oleic oils are better than hydrogenated transfats but that is not the standard you should be using. They are not actually good for you.

  12. Samia says:

    Those of us who just can’t stand the taste of unrefined olive oil – what do we do?

    • kathyabascal says:

      I think you should begin by exploring the many varieties of olive oil. Start by looking for oils with a delicate flavor: http://lettherebebite.com/in-store-guide/olive-oil/ This one of many sites that gives a good summary of different grades and types of olive oil. They identify varieties of olives that have a delicate flavor. Then I’d look for a U.S. oil made from one of those olives that has been certified by CCOC. The website for American certification is here: http://www.cooc.com/#” and click on “seal certifed” in the side bar. By going to the various websites of olive growers you can read about their oils. This can be overwhelming but fun. Or go to one of the many places that offer olive oil tastings and tell them what you need.

      I also recommend you read the book “Extra Virginity” It is quite possible that the olive oils you dislike aren’t even olive oil.

  13. Jesse says:

    I am no expert but from what I have gathered, good quality EVOO contains polyphenols which cause a hermetic stress response, good for you in small doses just like exercise. Although EVOO is somewhat low in PUFA (2g), a high percentage of those PUFAs are omega 3, highly reactive as mentioned earlier. The same goes for grassfed butter so I try not to heat it much. I save the EVOO for salads or take EVOO shots (weight gain diet).

    Therefore I would rather cook with organic high oleic sunflower oil because they are now as low as 1 gram of PUFA. I was under the impression that the organic sunflower oil became very high oleic from artificial selection which does not intuitively concern me. It would be interesting to find out exactly how much trans fat actually makes it into a quality organic high oleic sunflower oil.

    Macadamia oil is even lower in PUFA naturally (.5gr). Higher cost but offers a unique flavor.. Coconut oil is a great option for baking and available in organic no-flavor for frying. Hopefully we are frying veggies or chicken and not fried dough!

    • kathyabascal says:

      You are only part right. Yes, omega 3 fats are highly reactive and isolated omega 3s definitely should not be exposed to heat or light to prevent rancidity. But take fatty fish, with very high amounts of omega 3s: We usually heat our fish but without damaging them or turning them into damaging foods. That’s because other compounds in the fish protect those omega 3s. Same thing applies to baking with ground flax seed, another rich source of omega 3s. Olive oil is especially high in antioxidants that protects its 3s, which it does not have all that many of. Olive oil, heated or not, is not especially prone to rancidity.
      And as my recent blog on olive oil shows, those antioxidants are responsible for its many health benefits. As they create high oleic oils, they destroy the antioxidants in those oils, oils that as a rule lacked the unique antioxidants in olive oil. That’s why olive oil showed benefits where sunflower oil did not.
      Oils are very complicated, as are the role 3s and 6s play in our body. You need those essential fats, so avoiding them makes little sense. Instead you need to get them in balance, something that won’t happen if you use much in the way of high omega 6 oils like sunflower seed oil. Real, untampered with coconut oil is not all that heat tolerant either. So check out my other blogs on cooking oils; they might just change your mind.

  14. Jesse says:

    Good info, I will definitely look into it further. By painstakingly eliminating all processed food I have reduced my refined oil/omega 6 intake and at the same time increased my overall fat intake. I used to take pharmaceutical grade fish oil but I stopped based on concerns raised by prof Brian Peskin. For now I get my 3s from grassfed steak/butter, free range eggs and EVOO. I agree that that standard sunflower oil (very high omega 6) is a bad idea for frying so I use the high omega 9 version (for light frying veggies and eggs). But if there is a better option for frying I am very open minded.

    I am catching up on your other articles and realized I want to read them all. Thank you for sharing your ideas 🙂

    • kathyabascal says:

      Jessie added: The oil I am referring to is USDA certified organic so no hexane extraction. It claims “100% Mechanically (Expeller) Pressed Naturally Refined High Oleic Organic Sunflower Oil.” My understanding is that the oil is made high oleic from selection, not from chemical refining. It has only 1 gram of PUFA, half as much as EVOO. Also, it is not expensive so there is little point in using chemically extracted and refined high oleic oils, which is what was used in the study quoted, I expect.
      All that said, I am intrigued by the idea that EVOO enjoys some extra protection from antioxidants and I am glad to hear that. My organic EVOO cost the same as the organic sunflower oil so it will be great to get to the bottom of this in the name of health.

      Kathys Response: I also find Peskin’s work interesting although I wish he were not so heavily into marketing products. I tend to view meats and eggs as a neutral source of essential fats. Cholesterol has the ability to hamper our desaturase enzymes and I’ve seen studies indicating a higher degree of rancidity in animal 3s. Instead I recommend leafy greens, herbs, brassicals, berries, walnut oil, and wild fish as sources of 3s.
      But I think you are not fully taking into account the degree of refining involved in the oils you are using. Olive oil is unrefined, has a neutral 6:3 profile, and enough antioxidants to protect our food from heat damage. The studies quoted in my post on olive oil show it having much more positive effects than the refined, “high heat” oil you are choosing to use. There is much more to a healthy use of fats than you’ll get from studies on what happens when you heat isolated essential 3s and 6s.

  15. Sara says:

    Thank you for this post! I’m on a very restricted diet for my rheumatoid arthritis. The only grain I eat is white rice. I found some white rice crackers made by a rich, over-marketing company and saw just three ingredients. Rice, high Oleic safflower oil, salt. Got home, looked up HOSO and the first page on Google we’re positive snippets. I ate the crackers….and I ate them like I used to eat junk food. Overeating them, craving more, couldn’t stop with the one portion. Ugh!! I knew there was something more to this product. This morning I began digging and found your post. Thank goodness!!! I’ve felt amazing on my new diet for RA which has little to NO processed food. These crackers were processed with nasty oils and salt in a way that makes you want to eat the whole box and dig into another. I’m appalled by what’s on the market… Can’t wait to read more of your posts! Have you written anything on the new buzz words for msg that have been found in organic and health foods, “yeast” and “yeast extract?” Yeast extract was in my kids’ Annie’s cheddar bunnies. I called the company to get more info because it was just coming out that this was a form of msg. The next time I bought them it was just the word yeast, not yeast extract. I y must have changed something. Nope. Just the words. I no longer buy these. They are liars!! Okay rant over! Love your blog!!! 🙂

    • kathyabascal says:

      I’m glad you like my blog and I’m glad you now are avoiding poor quality fats but am curious why you don’t consider white rice processed?
      There is a chapter on how MSG is hidden in our food in my book, you can read more about the book here:

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