Fats Oils Made Simple


HeConnection-Equipped-Fats Oils Made SimpleHealth-e-Solutions comment: Fats, Oils Made Simple is an excellent article to help you wade through the divergent information about fats and oils. It is very confusing to the average person to know which fats/oils are healthy and which ones are not. #TheRomanDiet lifestyle pays close attention to fats and oils because they make up a significant portion of daily caloric intake.

It wasn’t that long ago that fat was identified as the number one villain in our diets. Every doctor and food commercial on TV promoted low-fat, lean foods. And we responded: fat consumption in Western society dropped significantly over the last twenty-five years. But surprisingly, obesity soared at exactly the same time, to the point that the U.S. is now among the fattest countries in history (with the rest of the world working hard to catch up).

What was wrong with the fat theory? Aren’t fat calories bad for you and don’t they contribute to obesity? The answer is no — at least not when stated in such simplistic terms. As it turns out, there are good fats and bad fats, and I’m not talking about polyunsaturated and saturated fats.

The current dogma promoted by the establishment when it comes to fat is:

  • Fat is unhealthy.
  • Saturated fat is bad.
  • Trans-fat is bad. (A complete reversal on their part, incidentally, over the last fifteen years. Remember, these are the same people who once pitched the health virtues of margarine over butter.)
  • If you have to eat fat, polyunsaturated vegetable oils are the way to go. These are the bottled oils you buy in the store (corn oil, canola oil, and safflower oil).
  • Omega-3 fatty acids are probably good for you, but the alternative health community is moving much too fast in adding these fats to all kinds of food.

Unfortunately, the truth is not this simplistic. With that in mind, let’s dig a little deeper.

Is Fat Unhealthy?

Is fat bad for you? Hardly; in fact, it’s essential for good health! Fats are the ultimate energy storage system. Your body stores fat for long-term energy use. Think of bears that live off their fat for months at a time while they hibernate in winter. On the other hand, if you’re eating every day, your body doesn’t really need to store fat for future use, so what is necessary for survival for bears can be a quick ticket to the cemetery for humans. Nevertheless, even though excess fat of the wrong kind may be deadly, certain fats are essential for life and health and are required in sufficient quantities.

To understand the real story behind fats, it’s worth approaching the issue from two angles, commonsense and biochemistry. But first, since as they say, you can’t tell the players without a scorecard, here are the major “players” who populate the world of fats:

As you will notice, hydrogenated and partially hydrogenated oils are not on the list. Why? Because they are artificial creations and the primary (but not exclusive) source of trans-fatty acids. Once promoted as a healthy alternative to saturated fats by the medical establishment and nutrition scientists, they are now recognized as one of the primary killers in our diets — with a key exception, which we’ll discuss later. It’s also important to understand that most substances that contain fats or oils actually have more than one kind. Canola oil, for example, contains omega-3s, -6s, and -9s. Meat contains not only saturated fat, but also omega-6s and -3s. The table shows only the predominant fat that each food provides.

Is Saturated Fat Bad?

One might infer from [the establishment’s] statements, that the answer to this question is an unqualified, “Yes, saturated fats are bad for you.” But the less simplistic truth is that not all saturated fat is bad; in fact, a certain amount is essential, and some saturated fats are extremely health promoting. Prolonged experience with the Atkins diet has shown that natural saturated fat does not necessarily raise cholesterol levels and clog arteries (although the diet itself quite likely promotes osteoporosis and colon cancer). The “simple” truth is that the whole issue of saturated versus unsaturated fats is mostly false.

Certain saturated fats are extremely healthy and even essential to good health, such as coconut oil. For a number of years, coconut oil has been vilified by the medical health authorities due to its saturated fat content, but as I have indicated, not all saturated fats are alike. Coconut oil is unique in its structural makeup. It is not only the highest source of saturated fats (92 percent), but included in that number are the medium-chain triglycerides (MCTs), which are extremely beneficial to the body. In addition, approximately 50 percent of these MCTs are made up of lauric acid, the most important fatty acid in building and maintaining the body’s immune system. The only other source of lauric acid found in such high concentrations is mother’s milk.

Trans-Fats — Decidedly Unhealthy

Is trans-fat bad? Absolutely! This is one area that has seen a dramatic change in the last ten years. Whereas at one time medical authorities promoted these products as “healthy” alternatives to saturated fat products such as butter, these same authorities gradually became aware (about thirty years after the alternative health community) that trans-fats were, in fact, decidedly unhealthy.

They are major contributors to cancer, heart disease, and diabetes. Over the last couple of years, government agencies have jumped on board and started pressuring food companies and restaurants to ban trans-fats from our diets. And even if late, they are correct. These oils are absolutely unnecessary and have no place in your diet or in any of the foods you eat — if you wish to be healthy.


However, as I mentioned above, there is an exception. Yes, synthetic trans-fats created through hydrogenation are extremely harmful, but naturally occurring trans-fats, not so much. In fact, some natural trans-fats are downright healthy. One such trans-fat is CLA (conjugated linoleic acid). CLA is both a trans-fatty acid and a cis-fatty acid. The cis bond causes a lower melting point and may account for its health benefits. What health benefits are we talking about?

Well, for one thing, studies have indicated that CLA is a potent cancer fighter across a wide variety of tumors, including cancers of the skin, breast, prostate, and colon. And whereas most anti-cancer agents block only one of cancer’s three stages (initiation, promotion, and metastasis), very small amounts of CLA have been shown to block all three.

In addition, CLA has been found to lower LDL levels and prevent bone loss and atherosclerosis, while at the same time helping to build the immune system.

And Where is CLA Found?

In the meat and dairy of grass fed cows. In fact, it is produced naturally from linoleic acid by bacteria in the stomachs of herbivores (such as cows). It can also be produced synthetically by heating linoleic acid in the presence of a base. However, there may be some issues as to whether synthetic CLA performs as well as natural CLA. And take note: I did say grass fed cows. As it turns out, grazing animals have 3-5 times more CLA than grain fattened animals — providing yet one more reason for consuming grass fed animal products.

As a side note, the breast milk of mothers who consume foods high in CLA is likewise high in CLA, providing tremendous health benefits for the baby. If you are looking to supplement CLA, your best bet is probably butter oil — made seasonally from May through October, from the milk of cows feeding on rapidly growing pasture grass. Rapid growth is the key to high CLA levels, not to mention high alkyl glycerol content, and naturally occurring vitamin K2 (the Activator X first identified by Dr. Weston Price).

Polyunsaturated vegetable oils — proceed with caution

Unfortunately, the same government authorities and health experts who are now warning us away from trans-fats are pushing us toward polyunsaturated vegetable oils such as soybean oil. But are these oils good for us? Not really. Because of the quantity and quality of polyunsaturated fats in our diets, they have replaced trans-fatty acids as the number one killer in our diets — a statement that probably comes as a surprise to some of you.

First, let’s talk about why essential fatty acids (EFAs), a group to which polyunsaturated oils belong, are so important.

Among other things, they are the main components of all cellular membranes — inside and out — where they protect against viruses, bacteria, and allergens. They are the key building blocks of all fats and oils, both in our foods and in our bodies. They play a key role in the construction and maintenance of nerve cells and the hormone-like substances called prostaglandins and help decrease cholesterol and triglyceride levels in the blood. The bottom line is that essential fatty acids are vital to our health, the primary healing agents in the body. According to some estimates, as many as 90 percent of all people are deficient in at least one of them.

In point of fact, all fats are actually fatty acids, consisting of one part fat (which is not water soluble) and one part acid (which is). Omega-3 and omega-6 fats are not only good for you, they are, in fact, essential — your body can’t produce them, which means you must get them in your diet. However, due to the extreme sensitivity of omega-3’s to light and oxygen, they have been removed from virtually all processed foods so that the foods have a longer shelf life. The sad fact is that our lack of these key EFAs has been linked to many of today’s diseases and afflictions, including hair loss, lack of energy, skin problems, heart and circulatory problems, and immune disorders (including arthritis). And thus an entire industry has emerged over the last five years devoted to putting these fats back into our diets.

Now let’s talk about the problem associated with EFAs. For most of human existence, we have eaten foods containing omega-6 fatty acids (linoleic acid and arachidonic acid) and omega-3 fatty acids (DHA, EPA, and alpha-linolenic acid) in a ratio of about 1:1 to 2:1. Over the last fifty years, however, that ratio has changed to 20:1 or 30:1, even in some cases as high as 50:1.

Our diets now include huge amounts of highly refined oils that are extracted from plants and used for cooking or in prepared foods (at the insistence of medical authorities). These oils — corn, safflower, cottonseed, peanut, and soybean — are all high in omega-6s. Soybean oil, incidentally, runs 7:1 in favor of omega-6. Corn oil runs 46:1. And safflower oil is off the charts at an astounding 77:1. (Canola oil runs about 2:1)  As a consequence, we have dramatically decreased our intake of omega-3’s as found previously in whole grains, beans and seeds, and seafood — and now get our omega-3’s primarily as the secondary fatty acid in our highly refined bottled oils and meat, which accounts for the increasing distortion of the fatty acid balance toward omega-6’s.

For most of us, we face the cruel paradox that the higher our intake of omega-3s, the worse the omega-6/omega-3 fat ratio gets in our bodies. This crops up in areas of our diet that we don’t even think about. For example, grass-fed beef contains omega-6 and omega-3 fatty acids in close to the healthy 2:1 ratio. But grain-fattened beef, which most people eat, contains fat in an imbalanced ratio that parallels the ratios found in the grains used to fatten them — 20:1, 30:1, and even 50:1 in favor of omega-6.

There are numerous studies that show how deadly this is. For example, a Korean study found that the ratios of serum omega-6 to omega-3 fatty acids were highly indicative of prostate cancer risk. The researchers concluded that omega-6 polyunsaturated fatty acids have a tumor-promoting effect while omega-3 acids have a protective effect.


And there is yet another problem associated with overconsumption of omega-6 fatty acids such as found in soybean oil — the build-up of NEFAs (non-esterified fatty acids) in the blood. Studies have found that NEFAs are implicated not just as a primary risk factor in sudden heart attacks, but there is also growing evidence that they are implicated in the onset of cancer as well! In other words, virtually every single bottled vegetable oil and processed food you buy in the supermarket (excluding olive oil) is potentially killing you.

Supplementing with Omega-3 Fatty Acids

Right now, omega-3 fatty acids are “hot.” They have become one of the primary additives now found in functional foods. And obviously, based on what we’ve already talked about, that’s a good thing, right?

Sort of . . . well, almost . . . but not necessarily!

Omega-3 fatty acid comes in six forms, but three are of primary interest to us:

  • Alpha-linolenic acid (ALA) is the complex form of omega-3 that’s found in most plants, such as flax. It’s not actually useful to the body until it’s broken down into its two constituents, EPA and DHA.
  • Eicosapentaenoic acid (EPA) provides profound anti-inflammatory activity, enhances the immune system, and provides numerous cardiovascular benefits, including thinning the blood and lowering blood pressure.
  • Docosahexaenoic acid (DHA) is a major fatty acid in sperm and brain phospholipids, and especially in the retina. Dietary DHA can reduce the level of blood triglycerides in humans, which may reduce the risk of heart disease. It also appears to play a major role in preventing and relieving Alzheimer’s disease and depression.

The primary sources of ALA supplementation are vegetarian, most notably flaxseed. The primary sources of EPA and DHA are fatty fish such as salmon and krill (cold water, shrimp-like invertebrates). Most of the alpha-linolenic acid we consume must be converted into DHA and EPA. Unfortunately, this process, which is governed by a particular enzyme known as delta-6 desaturase, is significantly inhibited (up to 50 percent or more) if there is an overabundance of linoleic acid in the bloodstream. And high levels of linoleic acid in the bloodstream are a direct result of excessive omega-6 fatty acid consumption — a major problem in the developed world today as we’ve already discussed. The delta-6 desaturase enzyme is “used up” in the desaturation process involved in getting rid of the excess omega-6 fats and thus is no longer available for converting ALA to its usable omega-3 components, EPA and DHA. The enzyme is also inhibited by the presence of trans-fatty acids and by high levels of insulin, a problem today with the high incidence of obesity and diabetes. And, finally, the process of delta-6 desaturation slows with aging.

Each of these factors can lead to an accumulation of ALA, which is counterproductive; but alleviating that build-up is relatively easy:

  • Stop using all plastic fats — all hydrogenated vegetable oils and all super-refined vegetable oils. The high temperatures that these oils are exposed to dramatically changes their structure.  We’ll talk more about this in a moment, but for now just know that highly refined and cold-pressed oils are not the same, and they behave very differently in the body.
  • Stop cooking with oils high in omega-6 fats, such as safflower, sunflower, and corn oils, and instead shift to walnut, olive, coconut, and avocado oils, as well as organic butter (in moderation)[unfortunately, butter is off the diabetic-alkaline lifestyle because of the cow’s milk connection]. And if you need to use oil for high-temperature frying or sautéing, use small amounts of avocado oil or rice bran oil.
  • Shift your diet away from high-glycemic, refined carbohydrates and move to a more Mediterranean style diet [we would argue for the diabetic-alkaline lifestyle] to help lower insulin levels.
  • Finally, an effective method of counteracting slowed desaturation of linoleic acid is to provide the delta-6 desaturated metabolite, gamma-linolenic acid (GLA), directly through supplements. Desaturation of linoleic and especially alpha-linolenic acid increases dramatically in the elderly with GLA supplementation. The best sources of GLA are black currant seed oil, evening primrose oil, and borage oil. One other advantage to GLA supplementation is that much of the GLA is converted to DGLA, which competes with and prevents the negative inflammatory effects the arachidonic acid otherwise cause in the body.

An obvious question comes up when talking about ALA: Why bother supplementing with something like flax seed oil if you can just take fish oil or krill oil supplements and not have to worry about conversion? The answer is that each source has its own benefits. Fish oil is good because it is already broken down into the useable EPA and DHA forms. Krill oil contains phospholipids specially integrated with omega-3 essential fatty acids. This unique structure provides important cell membrane building blocks in the right ratios for use by the body. And as for flaxseed oil, although it needs to be broken down, it also happens to be outrageously high in lignans, phytochemicals shown to have significant anti-cancer properties. Flax picked up a bad rap several years ago based on a bogus study that said it may promote prostate cancer.  But no one in the study was supplementing with flax oil — the subjects’ high ALA readings came as a result of other oils and fats they were eating, particularly from meat. In other words, the increased incidence of cancer associated with ALA was far more likely the result of a wildly skewed omega-6/omega-3 ratio. So, the “warnings” concerning flax misleadingly damn a valuable component of a healthy lifestyle based on faulty information and let the true killers — highly refined, high omega-6 vegetable oils — go free.


Another important factor to remember, particularly as omega-3 fatty acids are being introduced into functional foods en masse, is their sensitivity to heat, light, and processing. They tend to go rancid quickly, and their value may be somewhat negated (and even turned upside down) in many of these foods if the manufacturers don’t know what they’re doing.

All oils are sensitive to heat, light, and exposure to oxygen. Over time, depending on the level of exposure and the particular oil, they can turn rancid — noticeable as off-taste and odor. Oils turn rancid through two chemical processes, hydrolysis and oxidation. Both affect the taste and odor of the oil and can degrade its nutritional value. But our primary concern when it comes to health is oxidation, aka free radical production, which can present major health problems.

Rancidification can produce large numbers of highly reactive free radicals and is to be avoided. To delay the development of rancid oil, it is best to store all oils in the refrigerator or a cool, dry place. Most highly refined oils that you buy in the supermarket can easily keep for a year or longer — in some cases, almost indefinitely — which is why they are refined in the first place, for longer shelf life. But there are other health tradeoffs involved in using highly processed, refined oil. Extra-virgin olive oil, on the other hand, will also keep about a year after opening without the trade off. Other unrefined vegetable oils that you buy in the health food store will keep about six months. Rancidity is only a problem for unsaturated fats and oils; saturated fats such as coconut oil do not turn rancid.

Refining Oil

As just mentioned, refining oils to prolong their shelf life presents its own set of health risks. What follows is a generic description of the process involved in getting oils out of seeds (or in this case coconut copra) and onto your grocer’s shelves.

Oil Milling

Copra (about 64% oil content) from the warehouse bin is fed to a belt conveyor where dirt and other foreign materials are manually removed. Metallic objects are disposed of by means of magnets strategically installed along the conveying lines. The cleaned copra next passes through a series of size reduction equipment – primary grinders, secondary grinders and flakers, where the size is reduced to about 1/8”. The material is then, conveyed to the driers where the final moisture is adjusted to 2%-3%. The cooked/dried copra is fed to the expellers for extraction of the oil by means of mechanical pressing to about 15%-18% residual oil in the cake. Expeller oil, containing fine solids, is conveyed to the filtration section for purification then pumped to the storage tanks.

So far so good. However, we’re not done.

Copra cake from the expellers goes to the solvent extraction plant where it undergoes continuous washing with hexane for more efficient extraction of oil from the meal. This chemically extracted oil is pumped to the filtration section for blending with the expeller oil and purification.

Unfortunately, trace amounts of hexane remain. Is this a problem? Yes. Hexane is a petroleum based solvent that can seriously impact health. Side effects from exposure to hexane include dizziness, drowsiness, dullness, headache, nausea, weakness, unconsciousness, and abdominal pain. As a side note, hexane tends to concentrate in the meal, which is sold as animal feed. Excessive amounts of solvent in meal causes anemia in livestock. Hexane compounds are carcinogens according to the Environmental Protection Agency and are classed as a hazardous substance. Hexane also poses a serious environmental threat as it is a hydrocarbon polluter and produces ozone and air pollution when it is vented into the atmosphere during the flash off cycle. Incidentally, hexane is the solvent of choice in extracting most “natural” vitamin isolates. That means there are traces of hexane in most vitamins that you buy.


Once extracted, the oil “needs” to be refined. The refining process involves the treatment of the crude oil with a lye solution to reduce the Free Fatty Acid (FFA) content to a final value of 0.05%. This is done primarily to prevent spoilage, to help your oil last an eternity on the grocer’s shelf.

Other impurities in the oil such as gums, phosphatides, pigments and other oxidation products which would “impair” the taste, odor, keeping quality, and other “desired” properties of the oil are, likewise, removed. This degumming and neutralization process is accomplished by means of phosphoric acid and more lye. The now “neutral” oil is next mixed with bleaching earth (a type of clay) and activated carbon for reduction of the color. Final purification is effected by means of filters presses and polishing filters, then pumped to the storage tanks.

Deodorizing Oil

All edible oils and fats contain certain compounds which give the particular oil its identifiable taste. In all commercial oils, these compounds are removed to make the oil as neutral tasting as possible. This process is called deodorization and because of the temperatures involved is the part of the process most damaging to the oil.

Refined bleached oil from the refining section is first transferred to a de-aerator operating under a vacuum for removal of any entrained air. The oil then passes through a series of heaters where the temperature is raised to the level desirable for efficient steam distillation and deodorization process. Temperatures used in a deodorizing steam column reach upwards of 200° C, or 450° F. At these temperatures, the fundamental structure of the oil is changed into a different form of fatty acid in a process called isomerization, a form not beneficial to the human body. The high heat also causes a small amount of trans fatty acids to be formed. Live steam is blown in at the bottom of the column to vaporize the odor and taste imparting components from the bulk of the oil. The fully deodorized and refined oil is withdrawn from the column passing to a cooler and polishing filter basket for removal of any fine suspension before being finally pumped to the storage tank.

The final result is oil that is virtually colorless, odorless, and tasteless – that can last for years in a bottle with no danger of spoilage. It has virtually no connection with the beneficial oil that was originally contained in the seed or coconut. It is now a “plastic fat” that offers no benefits to the human body and the potential for much harm. . In addition, all of the beneficial phytochemicals (such as the lignans, which are an integral part of the oil complex and play a key anti-cancer role) have been removed.


As we have seen, the issue of dietary fats is far more nuanced than “saturated fats bad — polyunsaturated fats good.”  In fact, when comparing coconut oil to a bottle of refined safflower oil, you could, and should, make the exact opposite statement. Given that you really need to pay attention to all of the issues raised above when incorporating fats and oils in your diet, are there any “simplistic” golden rules we can keep in mind to help us navigate our way through the muddle? As long as you remember that these are indeed simplistic suggestions, you can hold onto the following.

  • Choose natural over refined.
  • Make choices that help move the omega-6/omega-3 balance back closer to the ideal 1:1 or 2:1.
  • Avoid high omega-6 vegetable oils found in your supermarket.
  • Incorporate more omega-3 oils in your diet.
  • Supplement with GLA.
  • Use avocado or rice bran oil for high temperature cooking — and coconut, olive, and walnut oil for low temperature cooking, and olive oil for salad dressings.

Better nutrition and health education would greatly benefit people all over the world. Unfortunately, that education is not likely to come from mainstream nutrition experts…at least not yet. Then again, perhaps with a little help, maybe we can eventually get them up to speed so they’re not quite so “simplistic” with their advice.

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