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19种中草药美白及抗氧化活性的比较
引用本文:王雪梅,沈雪梅,吴文琴,张娜,王荣庆.19种中草药美白及抗氧化活性的比较[J].安徽大学学报(自然科学版),2017,41(1).
作者姓名:王雪梅  沈雪梅  吴文琴  张娜  王荣庆
作者单位:安徽大学 化学化工学院,安徽 合肥,230601;安徽大学 化学化工学院,安徽 合肥,230601;安徽大学 化学化工学院,安徽 合肥,230601;安徽大学 化学化工学院,安徽 合肥,230601;安徽大学 化学化工学院,安徽 合肥,230601
基金项目:安徽省绿色高分子材料重点实验室资助项目
摘    要:以无水乙醇和水作为萃取剂超声提取19种中草药,采用紫外-可见分光光度法测试各中草药提取液对酪氨酸酶和DPPH·、·OH、·O-23种自由基的抑制率及半数抑制浓度IC50.结果表明,茯苓、黄芩、红景天、赤芍、人参、白蔹均表现出较强的酪氨酸酶抑制活性,其中茯苓对酪氨酸酶的抑制能力最强.红景天、黄芩、白芍、赤芍的综合抗氧化活性强于其他中草药.

关 键 词:中草药  酪氨酸酶  自由基  抗氧化活性  抑制率

A comparative study on whitening and antioxidant activities from 19 kinds of Chinese herbs
WANG Xuemei,SHEN Xuemei,WU Wenqin,ZHANG Na,WANG Rongqing.A comparative study on whitening and antioxidant activities from 19 kinds of Chinese herbs[J].Journal of Anhui University(Natural Sciences),2017,41(1).
Authors:WANG Xuemei  SHEN Xuemei  WU Wenqin  ZHANG Na  WANG Rongqing
Abstract:Absolute ethyl alcohol and water were used to extract 19 kinds of Chinese herbal medicine with ultrasonic extraction,the inhibition ratio and the half inhibition concentration on tyrosinase and three kinds of radical of DPPH·,·OH and ·O-2 were determined by UV-visible spectrophotometry.The results showed that extracts of poria cocos,scutellaria baicalensis,rhodiola rosea,radix paeoniae rubra,ginseng and ampelopsis japonica showed a strong inhibitory effect on the tyrosinase,in which poria cocos was the strongest,while the extracts of rhodiola rosea,scutellaria baicalensis,radix paeoniae alba and radix paeoniae rubra had stronger comprehensive antioxidant activity than the other herbs.
Keywords:Chinese herbs  tyrosinase  free radical  antioxidant activity  inhibition ratio
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