[1]陈小萍,张卫明,等.茶树花黄酮的提取及对羟自由基的清除效果[J].南京师大学报(自然科学版),2007,30(02):93-97.
　Chen Xiaoping,Zhang Weiming,Shi Jinsong,et al.Research on Extracting Tea Flower Flavonoids and its Effect on Scavenging Hydroxyl Radicals[J].Journal of Nanjing Normal University(Natural Science Edition),2007,30(02):93-97.
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茶树花黄酮的提取及对羟自由基的清除效果()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第30卷
期数:
2007年02期
页码:
93-97
栏目:
生命科学
出版日期:
2007-06-30

文章信息/Info

Title:
Research on Extracting Tea Flower Flavonoids and its Effect on Scavenging Hydroxyl Radicals
作者:
陈小萍1 ; 张卫明1;  2 ; 史劲松2 ; 顾龚平2
1. 南京农业大学食品学院,江苏南京210095
2. 南京野生植物综合利用研究院,江苏南京210042
Author(s):
Chen Xiaoping1; Zhang Weiming1; 2; Shi Jinsong2; Gu Gongping2
1.College of Food Science and Technology,Nanjing Agricultural University,Nanjing 210095,China
2. Nanjing Institute for Comp rehensive Utilization ofWild Plant, Nanjing 210042, China
关键词:
茶树花;  黄酮;  提取;  清除;  羟自由基
Keywords:
Tea Flower flavonoids;  extraction;  scavenge;  hydroxyl radicals
分类号:
S571.1
摘要:
通过对茶树花物料粒度、不同提取剂和提取方式的比较,研究茶树花黄酮的最佳提取工艺;并比较不同提取方法获得的茶树花黄酮提取物对羟自由基(.OH)的清除效果.结果表明:乙醇热回流提取的最佳工艺条件为:体积分数95%的乙醇,料液比1∶15,80℃下批次提取90 min;超声波振荡提取最佳工艺为:体积分数95%的乙醇,料液比1∶30,提取温度45℃,批次提取80 min.超声波结合热提法获得的茶树花黄酮提取物对.OH的清除效果最好.
Abstract:
The op timal extraction p rocess of Tea Flower flavonoids was studied by investigating different particle sizes, extraction reagents and methods. Comparisons were also made among the effects of fla- vonoids extracted by differentmethods on scavenging hydroxyl radicals. Results showed that: (1) the optimal conditions of heat extraction method were: solid2liquid ratio was 1 ∶15, extraction temperature was 80℃, and volume fractions of ethanolwas 95% , with 90 minutes each time; (2) op timal conditions of ultrasonic extraction method were: solid2liquid ratio was 1∶30, 45℃, and volume fractions of ethanolwas 95% , with 80 minutes each time. Results also showed that Tea Flower flavonoids extracted by ultrasonic combined with heat extraction had the highest scavenging activity on hydroxyl radicals.

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备注/Memo

备注/Memo:
基金项目:国家十五科技攻关课题(2001BA502B09)资助项目.
作者简介:陈小萍(1981—) ,女,硕士研究生,主要从事农产品加工与贮藏的学习与研究. E-mail: chenxp - 81@163. com
通讯联系人:张卫明(1957—) ,教授,博士生导师,主要从事野生资源开发与利用的教学与研究. E-mail: botanyzh@163. com
更新日期/Last Update: 2013-05-05