何首乌用70%甲醇超声提取浓缩后，用氯仿萃取分离出游离和结合型蒽醌，得到定量用试液。

Using 70% methanol, the Polygonum multiforum extract was concentrated by ultrasonic method . Then concentrated extract was leached with chloroform and separated into free and bound anthraquinones.

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何首乌用70%甲醇超声提取浓缩后，用氯仿萃取分离出游离和结合型蒽醌，得到定量用试液。

Using 70% methanol, the Polygonum multiforum extract was concentrated by ultrasonic method . Then concentrated extract was leached with chloroform and separated into free and bound anthraquinones.

youdao