Marine algae – perspective source of polyphenol antioxidants and essential phospholipid complexes

It was studied the contents of polyphenolic substances and it antiradical activity in number of marine algae belong to the class of brown, red and green algae and sea grasses from the littoral of Peter the Great bay (Vladivostok). It was shown, that polyphenols content in Sargassum pallidum, Cystoseira crassipes and Laminaria cichorioides up to 0,5% of the algae dry weight. Antiradical activity of the separated polyphenol complexes vary from 3.5 to 4.8 µМGA/mg. It was studied the phospholipid pattern from brown algae Laminaria japonica. It was shown, that phospholipids contents makes up to 0,42% of the dry weight and featured by the high content of the main component of membrane matrix – phosphatidylcholine and phosphatidylethanolamine and also of important precursors of phospholipids biosynthesis – phosphatidic acid, and phosphatidylglycerol.