食品科学 ›› 2003, Vol. 24 ›› Issue (1): 67-69.

• 工艺技术 • 上一篇    下一篇

决明子水溶性多糖的分离纯化

 刘娟, 邓泽元, 刘晶晶, 王杉   

  1. 南昌大学食品科学与工程系
  • 出版日期:2003-01-15 发布日期:2011-12-13

Isolation of Water-soluble Polysaccharides from Semen Cassiae

 LIU  Juan, DENG  Ze-Yuan, LIU  Jing-Jing, WANG  San   

  • Online:2003-01-15 Published:2011-12-13

摘要: 用热水浸提法从决明子炒品中获得决明子水溶性粗多糖CP1,经斐林试剂络合,得到两种组分C1A与C1C。同时从决明子生品、决明叶中分别获得水溶性粗多糖CP2、CP3。各组分经DEAE-纤维素柱层析进行分析,结果表明C1A为组分较单一的中性多糖,C1C为组分较复杂的混合多糖;CP1与CP2的洗脱曲线无明显区别,主要洗脱部分为中性多糖,表明炒制对决明子多糖无明显影响,CP3洗脱曲线有较明显的不同,主要洗脱部分为酸性多糖。

关键词: 决明子, 多糖, 分离纯化

Abstract: Acrude water -soluble polysaccharide(CP 1 )was extracted fromfried Semen Cassiae by hot water.It wasdividedintotwofractionsC 1 AandC 1 CbyFehling’ ssolution.Inthesameway,CP 2 andCP 3 wereextractedfrom freshSemenCassiaeandleaves ofSem enCassiae,respectively.Eachfractionwas separatedbyDEAE -cellulose column.Theresults showedthatC 1 Awas aneutralandrelativelypure polysaccharide,whereas C 1 Cwas acomplex polysaccharide.Therewas nosignif icantdifferencebetweentheDEAE -c ellulosechromatographiceluatecu rves of both CP 1 and CP 2 ,whose main fraction was a neutral polysaccharide.The main fraction of D EAE -cellulose chromatography of CP 3 was an acidic polysaccharide,which was quite different fromthe others.

Key words: semen, cassiae, polysaccharide, is olation