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We compared plasma total antioxidant capacity as measured by the TEAC and ORACs assay in the same plasma samples from adult rats administered decaffeinated green tea extract (SUNPHENON DCF-1[R]; Taiyo Kagaku Co.
The total antioxidant capacity of the study subjects in this study decreased 0.0044 mM per yearly increment in age after adjusting for blood arsenic (Table 4).
Total antioxidant capacity and total phenolic content of CFE: Chamomile flower extract were analyzed to determine their total antioxidant capacity and total phenolic content.
Malondialdehyde (MDA) and total antioxidant capacity measured by FRAP assay.
Total antioxidant capacity TAC was determined according to the method of Erel.10 Absorbance was taken at 660nm wavelength (Biosystem, BTS-330, Biosystems, S.A.
One part was used for lymphocyte count and caspase-3 evaluation and another part was used for measurement of the levels of MDA, NO, and TAC (total antioxidant capacity) and the antioxidant enzymes activities in serum.
Questionnaire responses were analyzed for total antioxidant capacity (TAC), a measure of the free radical-reducing capacity of all dietary antioxidants.
"This means people should eat more foods such as fruits and vegetables that contribute to total antioxidant capacity," she said.
The focus of research has moved away from total antioxidant capacity to what happens in live systems," reports Seeram.
Recently, an indirect spectrophotometric method that is more accurate, simple, low-cost, sensitive and inexpensive has also been developed for the determination of total antioxidant capacity of simple antioxidant compounds of several plants (Ozyurt et al., 2007).
No significant differences were observed in red cell superoxide dismutase and glutathione peroxidase activities, total blood glutathione, and plasma total antioxidant capacity, lipid peroxides and glutathione peroxidase activity in either group.
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