biology question #1730



Sarah, a 20 year old female from Fredericton, NB asks on December 8, 2003,

Q:

What is the chemical in banana that causes drowsiness?

viewed 16397 times

the answer

Barry Shell answered on December 8, 2003, A:

Bananas contain the chemical tryptophan, an amino acid that is converted into the calming and sleep-inducing brain chemical serotonin.

Add to or comment on this answer using the form below.
(required)
(required if you would like a response)
Note: All submissions are moderated prior to posting.
If you found this answer useful, please consider making a small donation to science.ca.