Caffeic acids

• 咖啡酸类

Caffeic acids的用法和样例：

例句

1. The content of caffeic acid in freeze-dried samples decreased with increasing harvesting time, whereas p-coumaric acid increased.
   测定印度种辣木冷冻乾燥样品的酚酸类化合物，咖啡酸含量随著采收时间的增加而递减。