LIPIDS, FATTY-ACIDS AND STEROLS OF CYSTOSEIRA-ABIES-MARINA

Lipid content, fatty acids and sterol composition of Cystoseira abies- marina and total fatty acids of C. humilis from Gran Canaria were stud ied. A high content of polyunsaturated fatty acids 16 : 3 and 16:4 was found. Their content in monogalactosyldiacylglycerols is over 90%. Tr iacylglycerols and phospholipids contain mainly arachidonic and eicosa pentaenoic acids. Reasons for the differences in the composition of fa tty acids and sterols of various species of Cystoseira are discussed. Some technological approaches are recommended.