食品科学 ›› 2007, Vol. 28 ›› Issue (11): 287-289.

• 工艺技术 • 上一篇    下一篇

窑归多糖提取工艺研究

 汪兴平, 程超, 莫开菊   

  1. 湖北民族学院生物科学与技术学院; 湖北民族学院生物科学与技术学院 湖北恩施445000湖北民族学院湖北省生物资源保护与利用重点实验室; 湖北恩施445000; 湖北恩施445000湖北民族学院湖北省生物资源保护与利用重点实验室;
  • 出版日期:2007-11-15 发布日期:2011-11-22

Study on Polysaccharide Extracting Technique of Angelica sinensis(oliv.) Diels

 WANG  Xing-Ping, CHENG  Chao, MO  Kai-Ju   

  1. 1.School of Biological Science and Technology, Hubei Institute for Nationalities, Enshi 445000, China;2.Hubei Key Laboratory of Biological Resource Conservation and Utilization, Hubei Institute for Nationalities, Enshi 445000, China
  • Online:2007-11-15 Published:2011-11-22

摘要: 本实验以窑归为主要原料,研究水溶性和碱液性窑归多糖的提取工艺。窑归经破碎、提取、酒精沉淀多糖、Sevag法脱蛋白、水透析、醇析等方法得出较高纯度的多糖,最后,通过真空冷冻干燥分别得到水溶性多糖和碱溶性多糖,经红外光谱证实:水溶性多糖和碱溶性多糖具有一般多糖的特征。水溶性多糖的最佳提取参数是:3h、1:25、加水,其提取率是3.32%;碱溶性多糖的最佳提取参数是:1mol/L的NaOH溶液提取6h、加1:25的碱液,其提取率是4.31%。

关键词: 窑归, 水溶性多糖, 碱溶性多糖, 提取工艺

Abstract: Using Angelica sinensis(oliv.) Diels as raw material, the exrtracting technique of water-sduble and alkali-soluble polysaccharide was studied. Angelica sinensis(oliv.) Diels is first crashed, extracted, precipitating polysaccharide with alcohol, eliminated protein by Sevag, water bacillus and alcohol bacillus. In the end, water-soluble and alkila-soluble polysaccharide of Angelica sinensis(oliv.) Diels can be dried by vacuum freezing. FR-IT proves that the water-soluble and alkila-soluble Angelica sinensis(oliv) Diels have the common traits of some polysaccharide. The best extracting parameter of water-soluble is extracting 4 times with water (1:25) for 3 h. The best exacting ratio is 3.32%. The optimum extracting parameter of alkila -soluble is extracting with NaOH(1:25,1 mol/L) for 6 h. The best exacting ratio is 4.31%.

Key words:  , Angelica sinensis(oliv.) Diels; water-soluble polysaccharide; alkila-soluble polysaccharide; extracting technique;