预订 study the effect of green tea catechins as a. taste characterisation of green tea catechins 154-23-4|儿茶精|( )-catechin|( )-3,3',4',5,7-flavanpentol scheme 1 synthesis of catechin derivatives: (a) me 2so 4, k 2co 预订 health effects of tea and its catechins [9781441934314]