Two studies were conducted to determine the effect of varying vitamin B-6 (B- 6) status on lymphocyte mitogenic response and pyridoxal 5'-phosphate (PLP) concentration in peripheral blood mononuclear cells (PBMC) in young women. In the first study, women were fed 1 mg/d for the first week and 1.5, 2.1 and...
Recent studies in men have shown plasma levels of vitamin B-6
and pyridoxal 5'-phosphate (PLP), the active form of vitamin B-6, to
increase with exercise. It was hypothesized that muscle glycogen
phosphorylase might be the source of these increases as this enzyme
has been shown to increase with increasing vitamin...
This investigation was designed to add to present understanding
of vitamin B-6 (B6) metabolism during exercise. Ten women, 5
aerobically trained and 5 untrained, were fed 4 controlled diets: a
moderate carbohydrate (49%) (MCHO) for 2 weeks, a high carbohydrate
(63%) (HCHO) for one week, MCH0+B6 for 2 weeks, and...