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软儿梨中氨基酸的提取及总氨基酸的定量分析

Extraction of Amino Acid and Quantitative Analysis of Total Amino Acid in ’Qinghai’ Soft Pear

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【Author】 WANG Hong~(1,2),REN Shi-xia~1,WANG Yong-ning~1 (1.Chemistry Department,Qinghai Normal University,Xining,Qinghai 810008;2.College of Chemical Engineering,Qinghai University, Xining,Qinghai 810016)

【机构】青海师范大学化学系；青海大学化工学院；

【摘要】以青海产软儿梨为原料,以70%乙醇回流提取总氨基酸2h,采用甲醛滴定法测定总氨基酸的含量。结果表明:软儿梨中总氨基酸的含量为1.84%,标准偏差为0.244。更多还原

【Abstract】 In this paper,the free amino acids and mixed amino acids were extracted from soft pear which used as raw materials,the free amino acids were extracted by 70%alcohol reflux and aether extraction.Total amino acid was determined by formol titration method.The results showed that total amino acid content of the soft pear was 1.84%, relative standard deviation was 0.244.更多还原

【关键词】软儿梨；氨基酸；甲醛滴定法；定量分析；
【Key words】 soft pear； amino acid； formol titration method； quantitative analysis；

【文献出处】北方园艺 ,Northern Horticulture , 编辑部邮箱 ,2011年08期

【分类号】S661.2
【被引频次】5
【下载频次】300

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