The microwave - assisted extraction ( MAE ) of betulin from Betula platyphylla Suk.

利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.

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Betulin and betulinic acid are remarkable natural products.

白桦脂醇和白桦脂酸是非常有价值的天然产物.

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

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.

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