EVALUATION OF TOTAL ANTIOXIDANT POTENTIAL (TRAP) AND TOTAL ANTIOXIDANT REACTIVITY FROM LUMINOL-ENHANCED CHEMILUMINESCENCE MEASUREMENTS

被引:317
作者
LISSI, E [1 ]
SALIMHANNA, M [1 ]
PASCUAL, C [1 ]
DELCASTILLO, MD [1 ]
机构
[1] CTR NACL INVEST CIENT,HAVANA,CUBA
关键词
ANTIOXIDANT CAPACITY; ANTIOXIDANT REACTIVITY; 2,2-AZO-BIS(2-AMIDINOPROPANE); LUMINOL; BLOOD PLASMA; ANTIOXIDANT STATUS EVALUATION; URINE; FREE RADICALS;
D O I
10.1016/0891-5849(94)00117-3
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The effect of antioxidants and biological fluids on the intensity of luminol induced chemiluminescence by radicals derived from the thermolysis of 2,2'-azo-bis(2-amidinopropane) has been employed to monitor TRAP and TOTAL ANTIOXIDANT REACTIVITY (TAR) levels. The latter parameter, which considers not only the quantity of oxidants but also their reactivity, is considered a potentially more useful index of the antioxidant status of a biological fluid. The results obtained employing human blood plasma and human urine show that the detected antioxidant capacity of both fluids is mainly related to the uric acid concentration of the samples.
引用
收藏
页码:153 / 158
页数:6
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