Wakame (Undaria pinnatifida) belongs to Phaeophyta, Brownia, Laminaria, Pterophyceae, and Undaria genus. It is a large economical brown algae with delicious taste and rich nutrition. Undaria pinnata is mainly cultivated in Liaodong (Lushunkou, Jinzhou), Shandong (Qingdao, Yantai, Weihai), Guangdong and other places in China. It is a temperate annual large brown algae.
According to reports, every 100 g wakame contains about calcium, magnesium, zinc and carotene are 100, 17, 0. 09 mg and 1 . 4 mg. The nutritional content of dried wakame is analyzed, the protein content is above 11%, the highest can reach 22%, which contains 19 kinds of amino acids, 8 of which are essential amino acids for human body; lipids 0. 5% to 3%; sugar 35% to 40%; ash 28% to 30%, ash contains a variety of minerals; cellulose about 3%. At the same time, wakame also contains a variety of polysaccharides with pharmacological components, including: fucose, galactose, three-carbon sugar, galacturonic acid, mannose, glucose, xylose, glucuronic acid, arabinose, etc.
Wakame spore leaves have the functions of lowering blood pressure, promoting smooth muscle contraction, hindering platelet aggregation and preventing arteriosclerosis; the rich inorganic salts in the spore leaves will help the normal growth and development of the human body and improve various immune functions; the high content of the spore leaves Polysaccharides have obvious preventive and therapeutic functions on hyperlipidemia and hypercholesterolemia.
The fucoxanthin in wakame extract powder can effectively reduce the activity of lipase and control the activity of α-amylase, so as to prevent obesity caused by fat accumulation and maintain blood sugar level.
Wakame extract fucoxanthin has a certain inhibitory effect on human liver cancer cells HepG2.
The water-soluble Undaria pinnatifida extract powder has different degrees of inhibitory effects on human erythroleukemia cell line K562, human esophageal cancer cell line TE-13 and human ovarian cancer cell line SK-OV3 in vitro.
Undaria pinnata wakame extract polysaccharide can effectively inhibit the pathogenic effect of herpes simplex virus type Ⅱ on Vero cells and improve the survival rate of cells. It is an antiviral drug with potential development prospects.
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