台灣綠茶EGCG成分分析表

Table : Some chemical components of green tea in Taiwan
content
chemical components % dry weight% water soluble
Water 1.79
Water soluble 33.98
Caffeine2.567.54
Gallic acid0.050.15
(+)Gallocatechin 0.260.75
(-)Epigallocatechin3.279.62
(+)Catechin0.060.16
(-)Epicatechin 0.41.18
(-)Epigallocatechin gallate3.5510.45
(-)Gallocatechin gallate0.992.9
(-)Epicatechin gallate0.431.27
Total catechins8.99826.48
note: 1. Catechin shown in italic forms are heat- converted catechin 
         2. Total catecins= Gallic acid +GC + EGC+Catechin+EC+EGCG+GCG+ECG
         3. Date were the mean of four independent experiments
資料來源:綠茶生技有限公司, 2004EGCG  39.45% TC