...Florence Malongane; Lyndy Joy McGaw; Fhatuwani Nixwell Mudau Purpose The present study was carried out to determine (1) essential minerals, total polyphenols, total flavonoids, moisture and ash of four selected South African herbal teas and (2) the effect of blending bush tea with other known...

.... Design/methodology/approach Total phenolic content, total flavonoids and total anthocyanins were determined using spectrophotometric methods. Caffeic acid, caffeine, theobromine, catechin and epicatechin contents were determined using Ultra Performance Liquid Chromatography with a Photodiode Array...

... and conventionally cultivated cocoa from the south area of Bahia for their composition of phenolics, flavonoids and their antioxidant activity. Design/methodology/approach Non‐fermented beans, fermented beans, roasted nibs and cocoa liquor were analyzed using spectrophotometry. Findings In general...

... in fruit,vegetables, tea and red wine may help to explain why their presence in the diet is associated with reduced incidence of heart disease and cancer. © MCB UP Limited 1995 Cancer Cardiovascular disease Carotenoids Flavonoids Vitamin C Vitamin E Many epidemiological studies have...