<http://webisa.webdatacommons.org/163879840>	<http://www.w3.org/ns/prov#value>	"Vitamin A is an essential nutrient that must be obtained through diet." .
<http://webisa.webdatacommons.org/163879840>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/163879840>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<eurekalert.org> .
<http://webisa.webdatacommons.org/prov/472243786>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/163879840> .