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Variations saisonnières de la composition en acides gras chez Penaeus japonicus (Crustacea: Decapoda)

Variations saisonnières de la composition en acides gras chez Penaeus japonicus (Crustacea:... 227 29 29 4 4 J.-C. Guary M. Kayama Y. Murakami Station Marine d'Endoume Laboratoire Ecole Pratique des Hautes Etudes Marseille France Faculty of Fisheries and Animal Husbandry Hiroshima University Fukuyama Japan Abstract The lipid and fatty acid composition of male and female Penaeus japonicus Bate was investigated over a period of 11 months to determine the effects of environmental and nutritional factors such as temperature and starvation. The lipid content of the prawns increases from May to November, whereas water content decreases. We observed a time-lag between the highest lipid rate of males (in November) and that of females (in October); this is probably related to ovarian metabolism. From September to March, the high lipid content of the females coincided with a high percentage of monounsaturated fatty acids (especially 16:1 and 18:1). Winter starvation induces a decrease in palmitic acid content. As temperature decreases, the monounsaturated (16:1, 18:1) and polyunsaturated (20:4, 20:5, 22:6) fatty acids increase at the expense of the saturated fatty acids (16:0, 18:0) in the adult prawn. However, in post-larvae and juveniles, this increased rate of polyunsaturated fatty acids would be related to their particular lipid metabolism. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Marine Biology Springer Journals

Variations saisonnières de la composition en acides gras chez Penaeus japonicus (Crustacea: Decapoda)

Guary, J.-C.; Kayama, M.; Murakami, Y.
Marine Biology , Volume 29 (4) – Apr 1, 1975
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References (18)

Publisher
Springer Journals
Copyright
Copyright © 1975 by Springer-Verlag
Subject
Life Sciences; Biomedicine general; Oceanography; Ecology; Microbiology; Zoology
ISSN
0025-3162
eISSN
1432-1793
DOI
10.1007/BF00388853
Publisher site
See Article on Publisher Site

Abstract

227 29 29 4 4 J.-C. Guary M. Kayama Y. Murakami Station Marine d'Endoume Laboratoire Ecole Pratique des Hautes Etudes Marseille France Faculty of Fisheries and Animal Husbandry Hiroshima University Fukuyama Japan Abstract The lipid and fatty acid composition of male and female Penaeus japonicus Bate was investigated over a period of 11 months to determine the effects of environmental and nutritional factors such as temperature and starvation. The lipid content of the prawns increases from May to November, whereas water content decreases. We observed a time-lag between the highest lipid rate of males (in November) and that of females (in October); this is probably related to ovarian metabolism. From September to March, the high lipid content of the females coincided with a high percentage of monounsaturated fatty acids (especially 16:1 and 18:1). Winter starvation induces a decrease in palmitic acid content. As temperature decreases, the monounsaturated (16:1, 18:1) and polyunsaturated (20:4, 20:5, 22:6) fatty acids increase at the expense of the saturated fatty acids (16:0, 18:0) in the adult prawn. However, in post-larvae and juveniles, this increased rate of polyunsaturated fatty acids would be related to their particular lipid metabolism.

Journal

Marine Biology – Springer Journals

Published: Apr 1, 1975

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