METHODS Flavonoids in Ficus pandurata root were extracted in different temperature,time condition and different solvent,including petroleum ether and different density ethanol.

• 方法采用碱、石油醚及不同体积分数的乙醇为溶剂,在不同温度、时间条件下分别从琴叶榕根中提取总黄酮。