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Biochemical composition of the wild and cultured seahorses, Hippocampus kuda Bleeker and Hippocampus trimaculatus Leach

文献类型： 外文期刊

作者： Lin, Qiang 1 ; Lin, Junda 2 ; Wang, Chao 3 ;

作者机构： 1.Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Guangdong, Peoples R China

2.Florida Inst Technol, Vero Beach Marine Lab, Vero Beach, FL USA

3.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Guangdong, Peoples R China

关键词： amino acids;MH - fatty acids

期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.082； 五年影响因子：2.415 ）

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收录情况： SCI

摘要： The biochemical composition of wild and cultured seahorses Hippocampus kuda Bleeker and Hippocampus trimaculatus Leach was analysed in this study. The crude protein contents (% dry weight) of wild seahorses were high: 72.7pl2.5% in H. kuda and 78.5pl4.2% in H. trimaculatus. The crude lipid contents (% dry weight) of wild and cultured seahorses (1.1pl0.1 vs. 1.4pl0.2 for H. kuda and 1.2pl0.1 vs. 1.2pl0.2 for H. trimaculatus) were low and did not differ significantly (F, =1.461, P=0.12). The essential amino acids and flavour-enhancing amino acids in wild seahorses were higher than those in cultured seahorses, although the essential amino acid index in wild and cultured H. kuda and H. trimaculatus were generally low. The total amino acid content decreased with growth in cultured H. trimaculatus (F, =14.927, P<0.05). The poly-unsaturated fatty acid (PUFA) contents in wild and cultured H. kuda and H. trimaculatus were 21.69%, 37.72%, 21.39% and 33.89% respectively. The fatty acid content in seahorses first decreased and then increased with growth both in wild and in cultured H. trimaculatus. The PUFA/saturated fatty acid ratio was 1.31 in cultured H. kuda and 0.87 in cultured H. trimaculatus. The trace metal concentrations in the wild seahorses were relatively low. The results presented in this study provide biochemical information necessary for understanding the medicinal value of H. kuda and H. trimaculatus and for elucidating the potential dietary requirements for their culture.

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