Abstract Objective Amaranths leaves are rich in ascorbic acid and polyphenol compounds which have antioxidant activity. The aim of this study was to evaluate their vivo effect consumption Amaranth leaf extract on activity, catalase enzyme activity H 2 O induced oxidative stress Drosophila melanogaster flies assessed. Results Consumption associated with increased survival exposure o a dose depen...

PURPOSE Green tea and green tea polyphenols have been shown to possess cancer preventive activities in preclinical model systems. In preparation for future green tea intervention trials, we have conducted a clinical study to determine the safety and pharmacokinetics of green tea polyphenols after 4 weeks of daily p.o. administration of epigallocatechin gallate (EGCG) or Polyphenon E (a defined,...

Eight brands of tea (Camellia sinensis),which are cultivated and commercially available in Ethiopian market, were analyzed for estimation of their total secondary metabolites (polyphenols, flavonoids and tannins) content and free radical scavenging activity which is expressed on dry weight basis. In this present study, the total polyphenols, tannin and flavonoid contents were studied spectropho...

OBJECTIVE The aims of the present work were to study beverage consumption among obese women from rural communities in Mexico and to estimate daily polyphenol intake and dietary antioxidant capacity from beverages. DESIGN A cross-sectional study was used to analyse the beverage intake of 139 premenopausal obese women estimated through repeated 24 h food recalls. Total polyphenol content and an...

The active compounds of grape, pomegranate, olive, and fig have anthocyanins that potential as antioxidant are flavonoids. Flavonoids to prevent therapy various oxidative stress related diseases. This study aimed examine the activity a combination fig, olive extracts using DPPH (diphenyl-2-picrylhydrazyl) method. maceration method used was dry Simplicia with methanol 95% solvent, fresh ethanol ...