Affiliation:
1. The Laboratory of comparative biochemistry, Institute of Marine Biology. AV Zhirmunsky Far Eastern Branch of the Russian Academy of Sciences ,ul. Palchevskogo 17, 690041 Vladivostok, Russian Federation
Abstract
Abstract:
In the Sea of Japan and the Okhotsk Sea, the red king crab Paralithodes camtschaticus is the major commercial species of the crab. The crab is a rich source of polyunsaturated fatty acids (PUFAs). The composition of triacylglycerol (TG) molecular species in freshly collected juveniles of P. camtschaticus has been determined for the first time. By the super critical fluid chromatography with mass-spectrometry, 45 molecular species of TG were identified. Most of the molecular species contained docosahexaenoic acid (DHA; 22:6n-3), eicosapentaenoic acid (EPA; 20:5n-3), arachidonic acid (AA, 20:4n-6), and monounsaturated fatty acid 18:1. Thus, DHA, EPA, and AA received from the diet are used to build phospholipids (PL) and also stored in TG in P. camtschaticus juveniles. Therefore, the crab is a rich source of PUFAs, which are concentrated both in structural PL and in reserve TG.
Publisher
Bentham Science Publishers Ltd.
Subject
Public Health, Environmental and Occupational Health,Nutrition and Dietetics,Food Science