<http://webisa.webdatacommons.org/177494896>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/177494896>	<http://www.w3.org/ns/prov#value>	"Vitamin A is an essential nutrient required for proper growth and development, vision, red blood cell production, and immune function." .
<http://webisa.webdatacommons.org/prov/472243785>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/177494896> .
<http://webisa.webdatacommons.org/177494896>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usda.gov> .