What is the difference between the -3 and the fish oil (EPA, DHA). From the source, nature, and so on the following:
Identity: unsaturated fatty acids are divided into the -3 system and the -6 system. The parent of the -3 system was the alpha - acid and the parent of the -6 system was linoleic acid. The -3 system was found to be the main DHA and EPA, and the -3 was the parent of DHA.
Nature is different: medicine, said a - acid is essential for the human body essential fatty acids, and DHA is not. Essential fatty acids for human body is particularly important for human life, while the body itself can not be synthesized, and must be added from the outside world. Thus, there is a huge difference between the importance of the human body and the need to add.
Different sources: source of alpha linolenic acid in plants is from plants by molecular distillation and other physical methods to extract, does not contain any cholesterol, and high purity; and DHA is extracted from deep sea animals, deep-sea animals eat containing alpha linolenic acid seagrass offspring Xie containing DHA and EPA fat, then extracted by chemical method, on the market at present DHA product purity is not high, containing cholesterol and saturated fatty acids, also contains toxic heavy metals mercury. "
Different roles: DHA is an important part of human brain cells. But the single use of single action. Furthermore due to individual differences, the human body needs the amount of DHA and EPA is not the same, direct supplementation of DHA may interfere with the human inherent metabolic processes. And the number of DHA and EPA can be adjusted according to the body's metabolism, so it will not interfere with the body's metabolism. In addition the itself on the human body in lowering blood lipids, lowering blood pressure, anti-inflammatory, anti allergy, such as many functions, benefits to the pregnant woman is far greater than the separate DHA supplement; in both sides is the difference between mother's milk and milk replacer for babies the pros and cons of the.
Absorption of different: alpha flax acid is a vegetable fat, with strong human affinity, easy to absorb; and DHA is an animal fat, human body is not easy to absorb. From the perspective of seed system theory, the greater the difference between the different species, the more good food for health.
Applicable to different populations: alpha - acid is suitable for all populations, while DHA pregnant women is not, at present, the state did not expressly approved for pregnant women to supplement DHA class products.
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