Abstract
Summary
Absorption of 5-HT, including that present in banana pulp, is quite rapid and fairly complete. Conversion to 5-HIAA and renal excretion of this metabolite are accomplished without delay. In evaluating abnormally high levels of 5-HIAA in human urine the dietary history is of some significance. Urines obtained more than 8 hours after ingestion of bananas should show little influence of exogenous 5-HT administration.
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