Kaempferol extract, which purity was higher than 70%, was purified by normal pressure RP liquid chromatography.

 
  • 銀杏葉提取物用水飽和的正丁醇萃取,濃縮萃取液,水解后經(jīng)過(guò)大孔樹(shù)脂有機溶劑梯度分離純化山柰酚。
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