The daily changes of plasma free and total tryptophan were studied in 15 healthy volunteers. Six blood samples were taken for each subject. A method involving pH control was used. The results show that plasma free tryptophan concentrations progressively rise to reach a peak at 3.30 hr. The total tryptophan concentration reaches a peak at midnight.
Circadian rhythm of tryptophan in normal volunteers / Steardo, Luca; S., Bonuso; N., Pisanti; E., Marano. - In: ACTA NEUROLOGICA. - ISSN 0001-6276. - STAMPA. - 35:2(1980), pp. 86-93.
Circadian rhythm of tryptophan in normal volunteers
STEARDO, LUCA;
1980
Abstract
The daily changes of plasma free and total tryptophan were studied in 15 healthy volunteers. Six blood samples were taken for each subject. A method involving pH control was used. The results show that plasma free tryptophan concentrations progressively rise to reach a peak at 3.30 hr. The total tryptophan concentration reaches a peak at midnight.File allegati a questo prodotto
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