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目的从厚朴粗提物中分离纯化和厚朴酚与厚朴酚。方法将厚朴酚两羟基用缩酮保护,再用正己烷重结晶分离纯化。结果一步反应分离得到和厚朴酚与厚朴酚,其纯度大于95%,总提取率为82%。结论所用方法简便易行,可放大生产。
Objective To isolate and purify honokiol and magnolol from crude extracts of Magnolia officinalis. Methods Honokiol two hydroxyl with ketal protection, and then recrystallized n-hexane separation and purification. Results Honokiol and honokiol were separated by one-step reaction. The purity was more than 95% and the total extraction rate was 82%. Conclusion The method used is simple and easy to scale up.