Very beneficial to human health, the most important Omega-3 fatty acids are EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid).
It mainly exists in deep-sea fish oil, krill oil and seaweed oil, and deep-sea fish oil is the most important source of Omega-3 EPA/DHA (80%). Although omega-3 fatty acids are essential nutrients for human body, they cannot be synthesized by human body and must be obtained from these foods rich in omega-3.
Structural composition
There are three kinds of omega-3 fatty acids. Important ω-3 essential fatty acids include α -linolenic acid, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), all of which are polyunsaturated fatty acids.
Firstly, Ala α -linolenic acid (Ala) in plants is a polyunsaturated fatty acid with three double bonds.
α -linolenic acid accounts for 67% in perilla seed oil, 55% in linseed oil, 42% in peony seed oil, 32% in seabuckthorn seed oil, 20% in Bama sesame oil, 65,438+00% in rapeseed oil, 8% in soybean oil and 50% in Aralia elata oil.
Reference to the above content: Baidu Encyclopedia -OMEGA-3