About: http://webisa.webdatacommons.org/309062126

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	Phenylalanine is an essential amino acid and a precursor of the stimulatory neurotransmitters epinephrine and norepinephrine.
http://www.w3.org/ns/prov#wasQuotedFrom	nutritionaltree.com