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Position: Home > Articles > Study on the Identification of Flat Tea with Amino Acids Hubei Agricultural Sciences 2018 (22) 120-123

基于氨基酸指纹图谱的扁形绿茶品种分析

作  者:
赵明明;金钰;周有祥
单  位:
湖北省农业科学院农业质量标准与检测技术研究所
关键词:
扁形茶;游离氨基酸;主成分分析;判别分析
摘  要:
利用全自动氨基酸分析仪测定230份扁形茶叶样品中游离氨基酸的含量,并对其进行统计学分析。结果表明,通过对龙井群体、龙井43和乌牛早茶叶的判别得到2个函数,其中有6个变量,对训练集的判别正确率是64.3%,交叉验证的判别正确率是63.5%,仅能初步区分龙井43与乌牛早。
译  名:
Study on the Identification of Flat Tea with Amino Acids
作  者:
ZHAO Ming-ming;JIN Yu;ZHOU You-xiang;Institute of Quality Standard and Testing Technology for Agro-Products ,Hubei Academy of Agricultural Sciences;
单  位:
ZHAO Ming-ming%JIN Yu%ZHOU You-xiang%Institute of Quality Standard and Testing Technology for Agro-Products ,Hubei Academy of Agricultural Sciences
关键词:
flat tea;;free amino acids;;principal component analysis;;discriminant analysis
摘  要:
The contents of free amino acids in 230 flat tea samples were measured by full-automatic amino acid analyzer and statistical analysis were performed. The results showed that two functions and six variables were obtained by discriminant analysis of Longjing Group,Longjing 43 and Wuyi Early Tea. The correct rate of discrimination for training set was 64.3%,and the correct rate of cross-validation was 63.5%. A preliminary distinction could be made between Longjing 43 and Wuniuzao.

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