Gas chromatographic studies on the seasonal changes in the fatty acid composition of the Copepod (Crustacea) plankton

Herodek, Sándor (1969) Gas chromatographic studies on the seasonal changes in the fatty acid composition of the Copepod (Crustacea) plankton. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 36. pp. 173-177. ISSN 0365-3005

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Abstract

Por the winter months the amount of saturated and monoenoic acid content of the fat decreased. In di-, three- and tetraenoic acids no changes paralleling that of the temperature were observed. The 22 : 5 content somewhat increased for winter. The greatest change was found in 22 : 6, the most unsaturated fatty acid. In summer it amounts to 5 per cent, while in winter to 25 per cent of the total fatty acids. It seems that the variations in the quantity of 22 : 6 ensures the constant optimal physical state of fat in crustaceans in spite of seasonal changes of the environmental temperature.

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