代谢组学解析遮阴对茶叶主要品质成分的影响

陈勤操,戴伟东,蔺志远,解东超,吕美玲,林智

Effects of Shading on Main Quality Components in Tea (Camellia Sinensis (L) O. Kuntze) Leaves Based on Metabolomics Analysis

CHEN QinCao,DAI WeiDong,LIN ZhiYuan,XIE DongChao,LÜ MeiLing,LIN Zhi

表1 遮阴对茶叶中主要生化成分及含水率的影响

Table 1 The effects of shading on main biochemical compositions and moisture content of tea leaves

对照CK 中度遮阴（M）Moderate shading 黑暗遮阴（D）Dark shading 总多酚 Total polyphenols (%) 9.99±0.4a 9.77±0.71a 12.75±0.57b 总氨基酸 Total amino acids (%) 4.63±0.14a 4.20±0.05b 4.33±0.06b 总黄酮 Total flavonoids (%) 3.28±0.17a 2.17±0.06b 1.46±0.14c 酚氨比Ratio of polyphenols to amino acids 2.16±0.05a 2.33±0.17a 2.95±0.17b 没食子酸Gallic acid (mg?g-1) 3.78±0.22a 4.51±0.29b 4.63±0.11b 表没食子儿茶素 EGC (mg?g-1) 14.93±0.37a 13.49±0.08b 10.56±0.34c 儿茶素 C (mg?g-1) 4.19±0.13a 3.99±0.03b 8.24±0.08c 表没食子儿茶素没食子酸酯EGCG (mg?g-1) 29.12±3.86a 28.35±2.7a 53.38±6.08b 表儿茶素EC (mg?g-1) 6.42±0.05a 5.58±0.07b 5.64±0.12b 表儿茶素没食子酸酯ECG (mg?g-1) 2.19±0.63a 1.79±0.37a 5.69±1.12b 咖啡碱Caffeine (mg?g-1) 26.93±0.87a 28.88±0.08b 39.4±0.19c 含水率Moisture content (%) 78.67±0.13a 80.15±0.28b 80.85±0.25c