与茶酚类涩味物质合成相关的UDP-糖基转移酶基因的筛选和功能验证

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【摘要】

：

儿茶素(黄烷-3-醇)和黄酮醇糖苷,作为茶叶中主要的保健和药理成分,是茶叶中主要存在的茶多酚,也是红茶和绿茶茶汤中典型的苦涩味化合物。前期研究工作表明,酯型儿茶素的合成涉及一种UDP-葡萄糖:没食子酰-1-O-β-D-葡萄糖基转移酶(UGGT),其中没食子酸(GA)在UGGT作用下,接受糖供体UDP-葡萄糖的糖基团而转化成1-O-β-D-没食子酰葡萄糖(βG)。茶叶中黄酮醇-3-O-糖苷的形成依赖

【作者】

：

崔利兰

【机构】

：

安徽农业大学

【发表日期】

：

2015年01期

【关键词】

：

茶树涩味化合物 UDP-糖基转移酶原核表达功能验证

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与茶酚类涩味物质合成相关的UDP-糖基转移酶基因的筛选和功能验证

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