英和和英

発音

• (英国発音) IPA^(key): /ˈtɹɪptə(ʊ)fæn/

名詞

tryptophan (countable かつ uncountable, 複数形 tryptophans)

1. (biochemistry) An essential amino acid having an indole side chain; it is present in many foods, especially chocolate, oats, bananas 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.
   • 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 169:

     The quickest way to raise serotonin levels again is to send more tryptophan into the brain, because serotonin is made from tryptophan.

   • 2020 December 10, Anahad O’Connor, “How Foods May Affect Our Sleep”, in The New York Times‎^[1], ISSN 0362-4331:

     Tryptophan is an amino acid found in many foods, including dairy and turkey, which is one of the reasons commonly given for why so many of us feel so sleepy after our Thanksgiving feasts.

同意語

• Trp
• tryp

派生語