date:Sep 28, 2016
ruited 24 healthy men aged between 30 and 65 to participate in their randomized, double-blind, crossover study. The men were randomly assigned to consumer orange juice containing 272 mg of flavonoid or a calorie-matched placebo, with the interventions separated by two weeks.
A battery of tests revealed that, compared to placebo, the flavonoid-rich orange juice was associated with significantly better performance on tests of executive function and psychomotor speed.
Alertness was also reportedl