tryptophan

باللغة العربية: تريبتوفان

1. An essential amino acid with an indole side chain; present in many foods, especially chocolate, oats, banana and milk; it is essential for normal growth and development and is the precursor of serotonin and niacin; any specific form of this compound, or any derivative of it. (countable, uncountable)

الجمع tryptophans