文章摘要
梁萌青,王士稳,韩庆炜,王家林,常青.海水养殖和低盐养殖凡纳滨对虾脂肪酸分析比较.渔业科学进展,2009,30(1):87-91
海水养殖和低盐养殖凡纳滨对虾脂肪酸分析比较
The difference of the fatty acid composition in muscle and hepatopancres of Litopenaeus vannamei cultured in sea water and low salinity water
投稿时间：2007-10-07  修订日期：2007-11-27
DOI：
中文关键词: 凡纳滨对虾  低盐  海水  脂肪酸组成
英文关键词:   Low salinitySeawater Fatty acid composition
基金项目:国家自然科学基金项目（30471341）和青岛市科技攻关项目（02-2-k-hh-65）共同资助
作者单位
梁萌青 （1中国水产科学研究院黄海水产研究所，青岛 266071） 
王士稳 （2国家质检总局进出口食品安全局，北京100088） 
韩庆炜 （3大连水产学院生命科学与技术学院，116023） 
王家林 （1中国水产科学研究院黄海水产研究所，青岛 266071） 
常青 （1中国水产科学研究院黄海水产研究所，青岛 266071） 
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中文摘要:
      对饲喂同一种配合饲料分别在海水及低盐水体中饲养的凡纳滨对虾Litopenaeus vannamei肌肉及肝胰脏的脂肪酸组成进行了分析比较。结果显示，(1)海水养殖凡纳滨对虾肌肉中的多不饱和脂肪酸(PUFA)和总含量低于低盐养殖凡纳滨对虾（P<0.05）, 而单不饱和脂肪酸（MUPA）总含量高于低盐养殖凡纳滨对虾（P<0.05）, 二者的饱和脂肪酸总量（SAFA）无显著差异（P>0.05）。海水养殖凡纳滨对虾肌肉中ω3系列脂肪酸总量显著低于低盐养殖对虾(P<0.05)，而ω6系列脂肪酸总量显著高于低盐养殖凡纳滨对虾（P<0.05），ω3/ω6比率海水养殖凡纳滨对虾显著低于低盐养殖对虾（P<0.05）。(2)海水养殖凡纳滨对虾肝胰脏中多不饱和脂肪酸(PUFA)、单不饱和脂肪酸（MUFA）和饱和脂肪酸（SAFA）总含量均显著高于低盐养殖凡纳滨对虾（P< 0.05）。海水养殖凡纳滨对虾肝胰脏中ω3系列脂肪酸总量显著高于低盐养殖凡纳滨对虾(P<0.05)，而ω6系列脂肪酸显著低于低盐养殖对虾（P<0.05）, ω3/ω6比率海水养殖凡纳滨对虾显著高于低盐养殖对虾（P<0.05）。
英文摘要:
      The fatty acid composition in muscle and hepatopancres of Litopenaeus vannamei cultured in sea water and low salinity water respectively with the same kind of feed were analyzed.The results showed that,(1)in muscle,the total PUFA contents were significantly higher on Litopenaeus vannamei cultured in sea water than that cultured in low salinity water,however the total MUFA contents were significantly lower on Litopenaeus vannamei cultured in sea water than that cultured in low salinity water,no significant differences were found on total SAFA contents between the two treatments(P＞0.05）.The total ω3 fatty acid contents were lower(P＜0.05) and total ω6 fatty acid contents were significantly higher(P＜0.05)on seawater cultured ones,the ω3/ω6 rate was significantly lower on seawater cultured ones(P＜0.05);(2)in hepatopancres,the total PUFA,MUFA and SAFA contents were significantly higher on Litopenaeus vannamei cultured in sea water,comparing with the low salinity water cultured ones,the total ω3 fatty acid contents were significantly higher(P＜0.05) and total ω6 fatty acid contents were significantly lower(P＜0.05) on sea water cultured ones,the ω3/ω6 rate was significantly higher on seawater cultured ones(P＜0.05) .
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