天然产物研究与开发 ›› 2022, Vol. 34 ›› Issue (增刊1): 56-62.doi: 10.16333/j.1001-6880.2022.S.009

• 研究简报 • 上一篇    下一篇

猫豆多糖的分离与含量测定

邓霖芳1,陈招钟2,陆   叶2,刘江云2*   

  1. 1浙江中医药大学附属第三医院药剂科,杭州 310005;2苏州大学苏州医学院药学院,苏州 215123
  • 出版日期:2022-06-01 发布日期:2022-05-18
  • 基金资助:
    浙江省药学会医院药学专项科研资助项目(2018ZY Y07);宜兴市现代农业科技项目(2020NY02);宁夏自治区重点研发计划(2020BFH02005)

Separation and determination of polysaccharides in Mucuna pruriens var. utilis

DENG Lin-fang1,CHEN Zhao-zhong2,LU Ye2,LIU Jiang-yun2*   

  1. 1The Third Affiliated Hospital of Zhejiang Chinese Medical University,Hangzhou 310005,China;2College of Pharmaceutical Sciences,Soochow University,Suzhou 215123,China
  • Online:2022-06-01 Published:2022-05-18

摘要:

对猫豆中的非淀粉总多糖(MPT)进行分离,建立其定性和定量分析方法。采用水提醇沉、分子排阻色谱纯化等方法分离猫豆中的多糖,采用1-苯基-3-甲基-5-吡唑啉酮衍生化和HPLC法测定其单糖组成。从猫豆中分离得到MPT中的主成分MP-1、MP-2和MP-3,其单糖组成分别为甘露糖、葡萄糖和半乳糖;MPT中该3种单糖含量依次为9.69、7.87、12.09 mg/g。采用超声水提取、3,5-二硝基水杨酸比色法测定猫豆中的总多糖含量,结果为141.4 mg/g。结果表明猫豆多糖主要包括甘露聚糖、半乳葡聚糖,所述分析方法适用于测定猫豆中的非淀粉多糖类成分的组成和含量。

关键词: 猫豆, 多糖, 分离, 单糖组成, 含量

Abstract:

A method for separation and determination of non-starch total polysaccharide in Mucuna pruriens var. utilis (MPT)was established. MPT was separated using water extraction followed by ethanol precipitation,size-extrusion column purification methods;monosaccharide composition of MPs was conducted by HPLC analysis of their PMP derivates.Three major constituents,MP-1,MP-2 and MP-3 were separated from MPT,with mannose,glucose and galactose as their monosaccharide compositions,respectively;The content of 3 monosaccharides in MPT was determined to be 9.69,7.87 and 12.09 mg/g,respectively.DNS colorimetry method was adopted to determine MPT amount in Mucuna pruriens var. utilis ,which was assayed to be 141.4 mg/g.MPT was composed of both MP-1 and MP-2 in major,and the determination methods mentioned above could be applied for quality analysis of MPT in Mucuna pruriens var. utilis .

Key words: Mucuna pruriens var. utilis, polysaccharide, separation, monosaccharide composition, content

中图分类号:  R284