厚朴有效成分的提取分离与结构鉴定

Extraction and Identification of Effective Constituent of Magnolia officinalis

目的:对厚朴的有效成分进行提取分离与结构鉴定。方法:用超声法提取厚朴中的厚朴酚、和厚朴酚,用聚酰胺柱层析分离提取物,用反相-高效液相色谱法对其进行含量测定与结构鉴定。结果:用中等强度超声波、95%乙醇、8倍量溶酶提取3次,每次30min即可很好地提取厚朴药材中厚朴酚及和厚朴酚。总酚、厚朴酚及和厚朴酚的提取率(按原药材质量计算)分别为1.92%、1.26%、0.66%。用聚酰胺柱层析可分离得到和厚朴酚单体。结论:本方法操作简便、稳定性高,可为厚朴有效成分的提取分离及结构鉴定提供理论依据。

OBJECTIVE： To extract effective constituent of Magnolia offcinalis and to identify its structure.METHODS： Ultrasound extraction was used to extract magnolol and honokiol from M.officinalis and the extracts were isolated using polyamide column chromatography.The content of magnolol and honokiol were determined using RP-HPLC.RESULTS： The optimal extractive condition was moderate ultrasonic,95% alcohol,8-fold solvent,extracting for three times,each time for 30 min.The extraction rates of phenols,magnolol and honokiol were 1.92%,1.26% and 0.66%,respectively.Honokiol was obtained by polyamide column chromatography.CONCLUSION： The method is simple,stable and supply reference for the extraction and identification of M.officinalis.