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Polyunsaturated fatty acids (PUFAs) may be dangerous to your health

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Food rich in Polyunsaturated fatty acids (PUFA) have been linked to deleterious effects on health including atherosclerosis, cancer. PUFAs are found in all natural foods in varying amounts, but fatty foods contain the most. It is mostly used in the form of vegetable such as sunflower oil, safflower oil, corn oil, flax oil, sesame seed oil, pumpkin seed oil and canola (or rapeseed) oil....
Last Updated: Mar 17 03:58:53, 2012

 

Food rich in Polyunsaturated fatty acids (PUFA) have been linked to deleterious effects on health including atherosclerosis, cancer. PUFAs are found in all natural foods in varying amounts, but fatty foods contain the most. It is mostly used in the form of vegetable such as sunflower oil, safflower oil, corn oil, flax oil, sesame seed oil, pumpkin seed oil and canola (or rapeseed) oil.

Polyunsaturated fatty acid (PUFA) is the technical term for a type of fat (fatty acid) with two or more (poly) double bonds (unsaturated). They exist in many different forms, varying in chain length, degree of unsaturation, and rotation around the double bonds.

PUFAs undergo random oxidation (also referred to as peroxidation or auto-oxidation) rapidly under the conditions of the human body and are a source of tissue-damaging free radicals. These products of peroxidation promote inflammation and their deleterious effects may be the cause of aging, atherosclerosis and cancer. 

In the absence of PUFAs in the diet, the body synthesizes an omega-9 fatty acid called Mead acid (5,8,11-eicosatrienoic acid). This relatively stable fatty acid displaces the PUFAs in the tissues and curtails the formation of inflammation promoting leukotrienes. In general, the more double bonds or degree of unsaturation, the more potentially damaging the molecule is.

When large amounts of PUFAs are consumed, they are stored and between meals, they are released. In free form, they poison the mitochondria (where oxidative metabolism occurs), impair communication within the cell, and impair the action of enzymes that dissolve blood clots and digest dietary protein, and inhibit the thyroid. Inhibiting the thyroid slows the metabolism and diminishes the ability to metabolize the PUFAs, accelerating their toxic effects. Stress, low blood sugar, and high intensity exercise increase the lipolytic enzymes. Niacinamide (vitamin B3) restrains them.

 

 

Source: Natural News.com

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