About: http://webisa.webdatacommons.org/390424137

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Tryptophan, the dietary amino acid (and the rarest amino acid in the diet, according to Primal Body-Primal Mind: Empower Your Total Health The Way Evolution Intended (...And Didn't)) precursor to serotonin, is an indole.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com