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Fatty acid (FA) metabolism is very dynamic and proper balance among essential and non-essential FAs is required for optimal health and wellness. Essential fatty acids are important regulators of cell membrane integrity, blood pressure and coagulation, lipid levels, immune response, tumor growth and inhibition, and the inflammatory response to injury and infection. The typical Western diet is too often imbalanced with respect to essential and non-essential FAs. Erythrocyte Fatty Acid analysis aids in developing the most efficacious dietary/supplemental treatment program to restore appropriate balance among fatty acids and their regulatory metabolites.Fatty Acids Analysis Price $225.00 USD (free shipping within USA) sample report
Fatty acids (FAs) are primarily derived from triglycerides ("fat") in the food and oils that we consume. Non-essential FAs are also biosynthesized in the body especially during times when carbohydrate intake exceeds the body’s needs for glucose and glycogen repletion. Non-essential FAs are most commonly recognized as an important source of energy, and when caloric intake exceeds expenditure these FAs are stored in adipose tissue as triglycerides. However, FA metabolism is much more complex and it is well established that appropriate balance among essential and non-essential FAs, as well as avoidance of harmful trans-FAs, is required for optimal health and wellness.
FAs are monocarboxylic acids that may be either saturated (no C=C double bonds) or unsaturated (one or more C=C double bonds). Humans make saturated fatty acids and a monounsaturated fatty acid with a double bond at the omega-9 position but do not have the enzymes necessary to introduce a double bond at the omega-3 (-3) or omega-6 (-6) positions. The essential fatty acids (EFAs) linoleic acid (18:2) and -linoleic acid (18:3) are polyunsaturated fatty acids (PUFAs) that are precursors of the -6 and -3 fatty acid series, respectively. The -6 and -3 FAs compete for desaturase and elongation enzymes that produce longer chain, more highly unsaturated FAs. The typical Western diet contains an undesirable preponderance of -6 fatty acids that impedes elongation and desaturation of -3 FAs.
FAs derived from the EFAs (or taken in via diet or supplements) are essential components of cell membrane phospholipids and appropriate membrane fatty acid content is pivotal for optimal membrane fluidity, receptor activity and cellular metabolism. The same FAs eventually give rise to hormone-like substances (eicosanoids) that are involved in the regulation of blood pressure and coagulation, lipid levels, immune response, tumor growth and inhibition, the inflammatory response to injury and infection, and may play a role in seizure disorders and dementias such as Alzheimer’s disease. Appropriate balance of membrane phospholipid EFAs is important because the biological effects of the -3 and -6 FAs metabolites are mediated by their mutual interactions.
This test measures the primary -6 and -3 PUFAs, and monounsaturated, saturated and trans-FAs that are present as constituents of phospholipids in the membranes of erythrocytes. Each FA is reported as a percentage of the total FAs measured and important FA ratios are presented. Commentary is provided for results exceeding reference intervals.
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