建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。

A new method of determining the antioxidant activity of betulin from betula bark is established.

youdao

建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。

A new method of determining the antioxidant activity of betulin from betula bark is established.

youdao