Efficacy of Brooke Bond Black Tea Extract on Flow Mediated Dilation in Indian Males

"Tea extract: 1800 mg/day standardized Brooke Bond black tea extract equivalent to 400 mg flavonoids dissolved in 240 ml hot water.~Products will be consumed for 8 days. On measurement days tea will be given to the subjects as a single acute dose and 2 grams of sugar will be added.~On day 2-7 subjects will consume 3 cups or tea, each prepared with 800 mg product in 80 ml of boiling water and sugar added to subject's taste. First cup of tea will be taken as morning tea, 2nd at breakfast and 3rd in the evening. No milk will be added."

"Control: 1800 mg/day of a powder that gives a flavoured beverage with a color similar to black tea dissolved in 240 ml hot water.~Products will be consumed for 8 days. On measurement days control will be given to the subjects as a single acute dose and 2 grams of sugar will be added.~On day 2-7 subjects will consume 3 cups of control, each prepared with 800 mg product in 80 ml of boiling water and sugar added to subject's taste. First cup of tea will be taken as morning tea, 2nd at breakfast and 3rd in the evening. No milk will be added."