The Tea Extracts list：

English Names and Specifications
Green Tea Catechin 20%： >15% Catechins/>30% Polyphenols/7~10% Caffeine
Green Tea Catechins 30%： >25% Catechins/>45% Polyphenols/7~10% Caffeine
Green Tea Catechins 30%：>30% Catechins/>45% Polyphenols/40% Catechins/55~60% Polyphenols/7~10% Caffeine
Green Tea Catechins 40% ：>40% Catechins/55~60% Polyphenols/50% Catechins/65~70% Polyphenols/7~10% Caffeine
Green Tea Catechins 50% ：>50% Catechins/65~70% Polyphenols/60% Catechins/>80% Polyphenols/7~10% Caffeine
Green Tea Catechins 60% ：>60% Catechins/>80% Polyphenols/70% Catechins/85~90% Polyphenols/7~10% Caffeine
Green Tea Catechins80% ：>70%Catechins/>95% Polyphenols/>50% EGCg /85% Catechins/>98% Polyphenols/>60% EGCg/90% Catechins/>98% Polyphenols/>70% EGCg/90% Catechins/>99% Polyphenols/>70% EGCg/40% Teaflavines/25% Polyphenols/4~6% Caffeine
Jasmine Tea P. E. >40% Polyphenols/>20% Catechins/7~9% Caffeine
Oolong Tea P. E. ：>90% Polyphenols/>60% Catechins/7~9% Caffeine
Pu Erh Tea P. E. ：>30% Polyphenols / 5~8% Caffeine
Pu Erh Tea P. E. ：>15% Polyphenols / 3~6% Caffeine
White Tea P. E. ：>90% Polyphenols/>70% Catechins/7~10% Caffeine
White Tea P. E. ：>90% Polyphenols/>75% Catechins/40% Polyphenols/>20% Catechins/7~9% Caffeine