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Lipid content and fatty acid composition of the clam Rangia cuneata (G.B. Sowerby, 1831) in Upper Barataria Estuarine, Louisiana
Wong, W.H.; Cheung, S.G.; Shin, P.K.S. (2012). Lipid content and fatty acid composition of the clam Rangia cuneata (G.B. Sowerby, 1831) in Upper Barataria Estuarine, Louisiana. Journal of Life Sciences 6(4): 411-417
In: Journal of Life Sciences. ISSN 1934-7391
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| Trefwoorden |
Rangia cuneata (G. B. Sowerby I, 1832) [WoRMS]
Marien/Kust |
| Auteurs | | Top |
- Wong, W.H.
- Cheung, S.G.
- Shin, P.K.S.
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| Abstract |
Rangia clam, Rangia cuneata (G.B. Sowerby, 1831), is an important economic species and traditional seafood for Louisiana local Indians and local fishery communities. Although it is popular along the Gulf of Mexico area, especially for American Indians and local fish communities, none of its nutritional value has been studied. We firstly reported the fatty acid composition of this clam. The contents of total lipid and neutral lipid in the soft tissue of the clam were 77.7 � 0.7 and 43.7 � 0.4 mg/g, respectively. The contents of saturated monoenoic and polyunsaturated fatty acids were 14.8, 8.0, and 8.3 mg/g, respectively, in total lipids, and 8.1, 4.5, and 4.8 mg/g, respectively, in neutral lipid. For the fatty acid composition, saturated fatty acids had the greatest content (47.3%), followed by polyunsaturated fatty acids (27.1%) and monoenoic acids (22.6%). This widely distributed bivalve in the Gulf of Mexico and Atlantic coast, often in high densities, has a more nutritious fatty acid composition than plant oils currently being tested as fish oil replacements in the aquaculture feed industry. It is suggested that this widely distributed bivalve may have potential as fish oil replacement in small scale aquaculture feed industry. |
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