Anti-oxidative Activity of Extract of North Ph. Praecox Leaves
- VernacularTitle:北京早园竹叶提取物的抗氧化活性研究
- Author:
Xuan LIU
;
Shengquan MI
;
Yuxuan ZHANG
- Publication Type:Journal Article
- Keywords:
Extract of bamboo leaves;
DPPH;
Ultra-weak chemiluminescence;
Anti-oxidative activity
- From:
Journal of Environment and Health
1993;0(03):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the antioxidant activity of the extract from north Ph.praecox leaves.Methods The extract from north Ph.Praecox leaves was made by ultrasonic-assisted extraction process,and the concentration of the total flavonoids was detected by NaNO3-Al(NO3)3-NaOH methods.The antioxidant capacity of the extraction was detected by DPPH free radical scavenging method and CuSO4-Phen-Vc-H2O2-DNA reaction with ultra-weak chemiluminescence method.Results The bamboo leaf extract could scavenges the DPPH free radical with the IC50 value as 7.02 mg /L and could delay the development of the emission peak value(P
