不同产地红景天提取物抗氧化活性的比较

吉林大学学报(工学版)

不同产地红景天提取物抗氧化活性的比较

毕会敏，张守勤，刘长姣

吉林大学生物与农业工程学院，长春 130022

收稿日期:2007-07-21 修回日期:1900-01-01 出版日期:2008-03-01 发布日期:2008-03-01
通讯作者: 张守勤

Antioxidant activity of Rhodiola extracts from different regions

Bi Hui-min，Zhang Shou-qin，Liu Chang-jiao

College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China

Received:2007-07-21 Revised:1900-01-01 Online:2008-03-01 Published:2008-03-01
Contact: Zhang Shou-qin

摘要/Abstract

摘要： 对比了分别产自吉林、陕西和云南的红景天提取物的总黄酮含量及抗氧化活性。结果表明，云南产红景天中黄酮类物质含量较高。样品液浓度达到0.05 mg/mL时，DPPH清除活性强弱顺序为Vc＞吉林产红景天＞云南产红景天＞陕西产红景天＞TBHQ；样品液浓度为1 mg/mL时，羟自由基的清除活性强弱顺序为Vc＞吉林产红景天＞TBHQ＞陕西产红景天＞云南产红景天；还原力强弱顺序为Vc＞TBHQ＞陕西产红景天＞吉林产红景天＞云南产红景天。提取物浓度达到0.5 mg/mL时，脂质体氧化抑制能力强弱顺序为吉林产红景天＞陕西产红景天＞云南产红景天＞TBHQ＞Vc。红景天提取物可作为天然抗氧化剂使用。

关键词: 食品科学与工程, 红景天, 黄酮, 抗氧化活性

Abstract: The flavone contents and antioxidant activities of the extracts of Rhodiola grown in Jilin, Shanxi and Yunnan provinces were compared. Results show that the Rhodiola from Yunnan has contains highest flavone content. It was found that when the concentration of the extracts reaches 0.05 mg/mL, the DPPH radial scavenging activities are in the order: Vc>Jilin Rhodiola>Yunnan Rhodiola>Shanxi Rhodiola>TBHQ. When the concentration reaches 1.0 mg/mL, the hydroxyl radical scavenging activities are in the order: Vc>Jilin Rhodiola>TBHQ>Shanxi Rhodiola>Yunnan phodiola, and the order of the reducing power is Vc>TBHQ>Sanxi Rhodiola>Jlin Rhodiola>Yunnan Rhodiola. When the concentration reaches 0.5 mg/mL, the liposome oxidation inhibitory activities are in the order: Jilin Rhodiola>Shanxi Rhodiola>Yunnan Rhodiola>TBHQ>Vc. The extract of Rhodiola is a potential natural antioxidant that can be used in food industry.

Key words: food science and technology, Rhodiola, flavones, antioxidant activity

中图分类号:

TS201.2

毕会敏，张守勤，刘长姣 . 不同产地红景天提取物抗氧化活性的比较[J]. 吉林大学学报(工学版), 2008, 38(增刊): 209-0213.

Bi Hui-min，Zhang Shou-qin，Liu Chang-jiao . Antioxidant activity of Rhodiola extracts from different regions[J]. 吉林大学学报(工学版), 2008, 38(增刊): 209-0213.

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