不同养殖模式大黄鱼肉质性状的分析研究.pdfVIP

福建农业学报 22(4)：372～377，2007 Fujian Journal of Agricultural Sciences 文章编号：1008—0384(2007)04—0372—06 不同养殖模式大黄鱼肉质性状的分析研究 缪伏荣，刘 景，王淡华，冯玉兰，李忠荣 (福建省农业科学院畜牧兽医研究所，福建 福州 350013) 摘 要：对同一海区不同养殖模式 (大围网、传统网箱)的成年大黄鱼及野生成年大黄鱼进行体色、背部肌肉 肉质性状 (pH值、常规营养成分、氨基酸、脂肪酸)的测定及肌肉感官性状的主观评定。结果表明：大围网养 殖大黄鱼的体色与野生大黄鱼接近 (PO．05)，显著优于传统网箱养殖大黄鱼 (PO．05)。大围网养殖大黄鱼 肌肉的粗蛋白、氨基酸总量、呈昧氨基酸总量、鲜昧氨基酸总量及多不饱和脂肪酸 (PUFA)总量均显著高于传 统网箱养殖大黄鱼 (PO．05)；肌肉的粗脂肪、饱和脂肪酸 (SFA)总量及单不饱和脂肪酸 (MUFA)总量均 显著低于传统网箱养殖大黄鱼 (PO．05)；肌肉的pH值、水分和粗灰分差异不显著 (P0．05)。大围网养殖 大黄鱼肌肉的感官性状显著好于传统网箱养殖大黄鱼 (PO．05)。大围网养殖大黄鱼上述肉质性状接近野生大 黄鱼 (PO．05)。大围网养殖可改善大黄鱼的生活环境，补充天然饵料，是一种提高大黄鱼肉质的可行途径。 关键词：大黄鱼；养殖模式；体色；肉质性状 中图分类号：S 965．322 文献标识码：A Meat quality of PsPlldOscf口P，l口crocea cultivated by different methods MIAO Fu-rong，LIU Jing，WANG Dan-hua，FENG Yu—lan，LI Zhong—rong (Institute of Animal Husbandry and Veterinary Medicine，Fujian Academy of Agricultural Sciences，Fuzhou，Fujian 350013，China) Abstract：Skin color，back muscle meat quality(i．e．，pH，nutritional composition，amino acids and fatty acids) and sensory evaluation of adult Pseudosciaena crocea harvested from the aquacuhural(i．e．，enclosing and traditional caging)and open sea in the same area were determined．The results showed that the skin color and sensory quality of the P．crocea from enclosing aquaculture was similar tO the wild(PO．05)but superior tO that from the tradi- tional caging method(PO．05)．Comparing the P．crocea harvested from the enclosing and caging aquaculture， the former contained significantly higher(PO．05)amounts of crude protein，amino acids，polypeptides and poly— unsaturated fatty acids，and significantly lower(PO．05)amounts of crude fat，saturated fatty acids and monoun— saturated fatty acids than the latter．There were no significant differenc