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

作　　者：王虹[1,2] 任世霞[1] 王永宁[1] 

机构地区：[1]青海师范大学化学系,青海西宁810008 [2]青海大学化工学院,青海西宁810016

出　　处：《北方园艺》2011年第8期55-56,共2页Northern Horticulture

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。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.

关 键 词：软儿梨 氨基酸 甲醛滴定法 定量分析 

分 类 号：S6[农业科学—园艺学]