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Twenty-four–hour plasma tryptophan concentrations and ratios are below normal in obese subjects and are not normalized by substantial weight reduction
Obesity weight loss plasma tryptophan,
2016/12/30
Plasma tryptophan concentrations and the ratio of tryptophan to other large neutral amino acids (plasma tryptophan ratio) are reportedly low in obese subjects. The plasma tryptophan ratio predicts bra...
Effects of normal meals rich in carbohydrates or proteins on plasma tryptophan and tyrosine ratios
Tryptophan serotonin tyrosine, dopamine
2016/12/27
The delivery of circulating tryptophan to the brain and its conversion to serotonin vary directly with plasma concentrations of tryptophan and inversely with those of other large neutral amino acids (...
Whey protein rich in α-lactalbumin increases the ratio of plasma tryptophan to the sum of the other large neutral amino acids and improves cognitive performance in stress-vulnerable subjects
α-lactalbumin tryptophan serotonin stress cognitive performance whey protein large neutral amino acids Netherlands
2016/12/17
Background: Cognitive performance often declines under chronic stress exposure. The negative effect of chronic stress on performance may be mediated by reduced brain serotonin function. The uptak...