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植物研究 ›› 2005, Vol. 25 ›› Issue (2): 181-185.doi: 10.7525/j.issn.1673-5102.2005.02.016

• 论文 • 上一篇    下一篇

茶树叶糖蛋白分离及鉴定的初步研究

程玉祥, 柳参奎   

  1. 东北林业大学盐碱地生物资源环境研究中心, 哈尔滨 150040
  • 收稿日期:2004-10-07 出版日期:2005-06-15 发布日期:2016-06-14
  • 通讯作者: 柳参奎 E-mail:shenkuiliu@nefu.edu.cn
  • 作者简介:程玉祥(1972-),男,讲师,博士研究生,主要从事植物生物化学与分子生物学研究。
  • 基金资助:
    国家高技术863计划(2002AA241111)

Study on isolation and determination of glycoprotein from tea plant leaves

CHENG Yu-Xiang, LIU Shen-Kui   

  1. Alkali Soil Natural Environmental Science Center, Northeast Forest University, Harbin 150040
  • Received:2004-10-07 Online:2005-06-15 Published:2016-06-14

摘要: 茶叶是一种有益健康的保健食品,保健功能在于它有多种化学活性成分。近年来研究表明,茶叶糖蛋白可能是茶叶的保健因子之一。从茶树叶中提取了总蛋白、45%~70%硫酸铵分级总蛋白、分级蛋白Sephadex G-100凝胶层析分离出粗糖蛋白,根据糖蛋白糖链及蛋白的对照染色鉴定出多种茶树叶糖蛋白,并从SDS-胶上快速纯化了三种茶叶糖蛋白。ConA-Sepharose 4B亲和层析从茶树叶总蛋白中分离出16种天然活性糖蛋白。

关键词: 茶树, 糖蛋白, 分离, 鉴定, ConA-Sepharose 4B亲和层析

Abstract: Tea is a healthy food, beacause it has various bioactive components. Recent research indicated that tea glycoprotein might be a bioactive component in tea. In this report, total proteins were extracted from tea fresh leaves, and coarse glycoproteins were isolated through the methods of ammonium sulfate fractions (45%~70%) and SephadexG-100 chromatography. According to control staining of glycan and polypeptide, glycoproteins were determinated by using Pierce GelCode© Glycoprotein Staining Kit and Coomassie Brilliant Blue R250, and three tea glycoproteins were fast purified from the SDS-gels. Sixteen native bioactive glycoproteins were gained from tea total proteins by ConA-Sepharose 4B affinity chromatography.

Key words: tea plant, glycoprotein, isolation, determination, ConA-Sepharose 4B affinity chromatography