LI Chengfan,ZHANG Jingdong,WANG Sihong*.Antioxidant activity of Rhodiola angusta extract[J].Journal of Yanbian University,2019,45(04):308-311.
长白红景天提取物抗氧化活性的研究
- Title:
- Antioxidant activity of Rhodiola angusta extract
- 文章编号:
- 1004-4353(2019)04-0308-04
- 分类号:
- TQ28
- 文献标志码:
- A
- 摘要:
- 为研究长白红景天的抗氧化活性,采用正交方法确定了长白红景天的最佳提取条件,在最佳条件下提取物的总黄酮含量为3.74%.对提取物进行DPPH、超氧负离子和羟基自由基清除测试显示,长白红景天提取物对DPPH、超氧负离子和羟基自由基均有较好的清除能力,并且在一定浓度范围内其清除效果优于Vc、TBHQ 和BHT; 因此,长白红景天是一种天然的优良抗氧化植物.
- Abstract:
- In order to evaluate the antioxidant activity of Rhodiola angusta extract, the optimum extraction conditions were determined by orthogonal method. The total flavone content of the extract is 3.74%, under the optimum extraction conditions. Furthermore, DPPH, superoxide anion and hydroxyl radical scavenging ability were verified. The results showed that R.angusta extract exhibit better scavenging ability to DPPH, superoxide anion and hydroxyl radical. An overview conclusion imply the scavenging effect of R.angusta extract is better than Vc, TBHQ and BHT. Therefore, R.angusta is a natural and excellent antioxidant plant.
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备注/Memo
收稿日期: 2019-08-12 基金项目: 国家自然科学基金资助项目(21964017; 21365023)
*通信作者: 王思宏(1969—),男,正高实验师,研究方向为天然物活性成分研究.