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黑木耳多糖的羧甲基化及其对肝癌细胞H ePG2的抑制作用
引用本文:张华,王振宇,杨鑫,杨林,王雪.黑木耳多糖的羧甲基化及其对肝癌细胞H ePG2的抑制作用[J].食品与机械,2011,27(3).
作者姓名:张华  王振宇  杨鑫  杨林  王雪
作者单位:1. 哈尔滨工业大学食品科学与工程学院,黑龙江哈尔滨,150090
2. 哈尔滨工业大学食品科学与工程学院,黑龙江哈尔滨150090;东北林业大学,黑龙江哈尔滨150040
3. 德之馨(上海)有限公司,上海,201206
基金项目:国家高新技术研究发展计划(863计划)
摘    要:对提取分离的黑木耳多糖进行羧甲基化,并对人体肝癌HepG2细胞株进行干扰研究,探讨其增殖抑制作用.将HepG2细胞进行贴壁培养,对处在对数生长期的HepG2细胞进行对照试验.结果表明,黑木耳中性多糖组、黑木耳酸性多糖组对HepG2细胞毒试验得到细胞存活率50%时的药物浓度范围在200~600 μg/mL.两种未经羧甲基化改性的黑木耳多糖在体外对人HepG2细胞具有抑制作用,而经羧甲基化改性的黑木耳多糖则没有.

关 键 词:黑木耳酸性多糖  羧甲基化黑木耳酸性多糖  黑木耳中性多糖  羧甲基化黑木耳中性多糖  肝癌细胞HepG2  体外试验

In vitro antitumor activities of carboxymethylated derivatives of polysaccharides extracted from auricularia auricular
ZHANG Hua,WANG Zhen-yu,YANG Xin,YANG Lin,WANG Xue.In vitro antitumor activities of carboxymethylated derivatives of polysaccharides extracted from auricularia auricular[J].Food and Machinery,2011,27(3).
Authors:ZHANG Hua  WANG Zhen-yu  YANG Xin  YANG Lin  WANG Xue
Affiliation:ZHANG Hua1 WANG Zhen-yu1,2 YANG Xin1 YANG Lin1 WANG Xue3 (1.Shool of Food Science and Engneering,Harbin Institute of Technology,Harbin,Heilongjiang 150090,China,2.Northeast Forestry University,Heilongjiang 150040,3.Symrise(Shanghai) Co.,Ltd.,Shanghai 201206,China)
Abstract:Cancer has been a challenge for humanity.Many scientific researchers have been exploring antitumor activities of some natural products.It was reported that polysaccharide had good antitumor activities.This paper reports on a water-soluble polysaccharide(AAP) and in how it was ultrasound-assisted and extracted from Auricularia auricular and fractioned by Cetyl Trimethyl Ammonium Bromide(CTAB).Then these two carboxymethylated polysaccharides(acidic polysaccharide,AAAP and neutral polysaccharide,NAAP) were pre...
Keywords:acid auricularia auricular polysaccharide(AAAP)  carboxymethylated acid auricularia auricular polysaccharide(CMC AAAP)  neutral auricularia auricula polysaccharide(NAAP)  carboxymethylated neutral auricularia auricula polysaccharide(CMC NAAP)  HepG2  in vitro  
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