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Fatty-acid synthesis in the echinoderms: Asterias rubens, Echinus esculentus and Holothuria forskali

Published online by Cambridge University Press:  11 May 2009

W. V. Allen
W. V. Allen
Affiliation:
Biological Sciences, Humboldt State College, Arcata, California
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Extract

The fatty-acid compositions of tissue lipids of Asterias rubens L., Echinus esculentus L. and Holothuria forskali Delia Chiaje were determined by means of gas-liquid chromatography. Considerable proportions of branched-chain, normal odd-numbered and eicosatetraenoic acids occur in the latter two animals. Tissues of all three animals were incubated with 1−14C-acetate. The relative specific activities of fatty-acid fractions isolated by thin-layer chromatography upon AgNO3-impregnated silica gel G fell in the order: saturates > monoenes — dienes > polyenes. The fatty-acid compositions of the alkoxydiglyceride, triglyceride and phospholipid classes of A. rubens hepatic caecal lipid were also determined.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 48 , Issue 2 , June 1968 , pp. 521 - 533
Copyright
Copyright © Marine Biological Association of the United Kingdom 1968

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