Gas chromatographic studies on the fatty acid composition of some freshwater crustaceans

Herodek, Sándor and Farkas, Tibor (1967) Gas chromatographic studies on the fatty acid composition of some freshwater crustaceans. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 34. pp. 147-152. ISSN 0365-3005

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Abstract

The fatty acid compositions of the following crustaceans were determined: Cyclops ricinus Ulj., Eudiaptomus gracilis (G. O. Sars), Daphnia cucullata G. O. Sars, Daphnia longispina O. F. Müller, Simocephalus velulus V. F. M., Bosmina longirostris f. pellucida Stingelin, Gammarus (Rivulogammarus) roeseli Gervais. From the different species the same fatty acids could be demonstrated. The fatty acid composition of crustaceans is greatly similar to those published for fishes suggesting that the bulk of the fats in fishes originates in the crustacean plankton. There was more C₂₂ polyunsaturated fatty acid in the investigated Copepods than in the Cladocerans. The changes in the quantity of oleic acid in the different samples are showing an inverse tendency to the quantity of C₂₂ polyunsaturated fatty acids.

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