Assertion: tryptophan | /r/HasProperty | gupta
Facets:
Source sentences:
text: Estrogen can also increase serotonin (Murray & Pizzorno, 1998; Peat, Sept. 2012), mediated by (1) the hormone-induced shift from the tryptophan-niacin route to the tryptophan-serotonin path, and by (2) estrogen's boost of tryptophan hydroxylase, the rate-limiting enzyme in the production of serotonin from tryptophan (Gupta, et al., 2011).