基于代谢组学的‘云抗10号’晒青茶加工过程代谢物变化

戴宇樵,吕才有,何鲁南,易超,刘学艳,黄雯,陈加敏

Metabolic Changes in the Processing of Yunkang 10 Sun-Dried Green Tea based on Metabolomics

YuQiao DAI,CaiYou LÜ,LuNan HE,Chao YI,XueYan LIU,Wen HUANG,JiaMin CHEN

表3 鲜叶、揉捻叶和晒青叶组间儿茶素类代谢物差异

Table 3 Differences in catechin metabolites between fresh leaves, rolling leaves and sun-dried leaves

序号 No. 保留时间 Retention time (min) 代谢物 Metabolites YK10-1 YK10-2 YK10-3 类型 Type 1 2.53 咖啡酰原儿茶酸 Protocatechuic acid O-glucoside 1050333.33±217647.27 6006666.67±575528.74 9486666.67±5827661.05 上调 Up 2 3.05 原儿茶醛Protocatechuic aldehyde 55100±7100 72833.33±3499.05 101300±7291.78 上调 Up 3 4.02 4-甲基儿茶酚4-Methylcatechol 15433.33±1767.30 24200±3143.25 24633.33±1703.92 上调 Up 4 2.38 二没食子儿茶素 Gallocatechin-gallocatechin 529666.67±85242.79 590000±43347.43 582000±71021.12 上调 Up 5 3.49 没食子儿茶素-儿茶素 Gallocatechin-catechin 6836.67±1506.40 4870±1384.59 2560±2470.49 下调 Down 6 2.3 原儿茶酸Protocatechuic acid 194000±15394.80 196666.67±26764.40 123900±41179.24 下调 Down 7 3.51 三儿茶素Catechin-catechin-catechin 3713333.33±385010.82 3863333.33±346458.27 3073333.33±213853.53 下调 Down 8 3.45 表儿茶素表阿夫儿茶精 Epicatechin-epiafzelechin 281000±22869.19 281666.67±54811.80 253000±26000 下调 Down 9 2.99 儿茶素Catechin 3960000±240208.24 3890000±208086.52 3650000±715821.21 下调 Down 10 2.44 没食子儿茶素(+)-Gallocatechin (GC) 1576666.67±63508.53 1376666.67±56862.41 1470000±78102.50 下调 Down 11 2.53 表没食子酸儿茶素 Epigallocatechin (EGC) 1500000±80000 1313333.33±50332.23 1400000±52915.03 下调 Down 12 3.18 表儿茶素L-Epicatechin 3306666.67±117189.31 3316666.67±138684.29 3146666.67±565803.26 下调 Down 13 3.28 表没食子酸儿茶素没食子酸酯Epigallate catechin gallate (EGCG) 3886666.67±210792.16 4140000±186815.42 3766666.67±213853.53 下调 Down 14 3.83 表儿茶素没食子酸 Epicatechin gallate (ECG) 15666666.67±808290.38 15900000±529150.26 15300000±608276.25 下调 Down