3 FATTY ACIDS (from kelley yolk lipids

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3 FATTY ACIDS (from page one) chromatographic analyses indicated substantial proportions of yolk lipids arachidonic acid or a similar yolk lipids tetraene, subsequent gas chromatographic analyses have rarely recorded polyunsaturates of carbon chain length greaterthan 18 (Fast 1970; Dadd 1983).  In crude lipid extracts of whole insects the long-chain polyunsaturates generally constitute no more than 2% of the fatty acid total, although they may be present in 5-10 times this proportion in extracts Erom certain tissues (Dadd 1983, Stanley-Samuelson and Dadd 1983). The functions of fatty acids that are essential to yolk lipids vertebrates apply also to insects.  The major sources of fatty acids in edible insects are the phospholipids in the cell membranes and the glycerides (especially the triglycerides in the fat body).
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