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