广西科学2016，Vol.23Issue(2)：125-130,6.
鱼油与微藻和植物油脂肪酸成分比较及其替代策略分析
Comparison on the Fatty Acid Composition of Fish Oil, Microalgae and Plant Oil and the Strategy Analysis of Fish Oil Replacement
摘要
Abstract
Objective]With the rapid development of aquaculture and the sharp rise of fish oil price,looking for an alternative lipid source of fish oil is increasingly urgent.[Methods]In this paper,direct transesterification plus gas chromatography identification method was used to de-termine the fatty acid composition of fish oil, several common vegetable oils and two species of microalgae based on the reference standards of 37 components of fatty acid methyl ester.Com-parative analysis of the similarities and differ-ences between three types of lipid source was conducted.[Results]The fatty acid profile of fish oil was similar to that of Nannochloropsis sp.oil and Schizochytrium sp.oil.However,the lack of n-3 high-unsaturated fatty acids in plant oils was obvious compared to fish oil.Under the premise to meet the requirement of essential fatty acids, two strategies of fish oil replacement were presented:Using 38.0% linseed oil plus 27.7%Nannochloropsis sp.oil and 34.3%Schizochytrium sp.oil can obtain the similarn-3/n-6 poly-unsaturated fatty acid ratio to fish oil,which was better able to meet the nutritional require-ments of fish and selected as preferred strategy;Using 38.0% soybean oil with 27.7%Nannochloropsis sp.oil and 34.3%Schizochytrium sp.oil can get the main categories of fatty acids similar to fish oil,which was relatively cheaper than linseed oil group and used as alterna-tive strategy.[Conclusion]Fish oil replacement with high EPA and DHA content microalgae plus plant oil is theoretically feasibility.关键词
植物油/微绿球藻/裂壶藻/鱼油/替代Key words
plant oil/Nannochloropsis sp./Schizochytrium sp./fish oil/replacement分类
农业科技引用本文复制引用
孙春晓,乔洪金,王际英,张利民,宋志东,李宝山..鱼油与微藻和植物油脂肪酸成分比较及其替代策略分析[J].广西科学,2016,23(2):125-130,6.基金项目
山东省科技发展计划项目（2014GHY115006），海洋生物产业---水生动物营养与饲料研发创新示范平台项目（201501003），山东省优秀中青年科学家科研奖励基金项目（BS2013HZ018）和国家自然科学基金青年基金项目（31201973）资助。 （）
