<http://aims.fao.org/aos/agrovoc/xDef_ab474874>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#value>	"Retinol (C20H30O), one of the substances also called vitamin A. It is also called more specifically vitamin A alcohol. It is a required factor for human nutrition. The USP unit of activity is equal to 0.30 micrograms of retinol."@en .
<http://aims.fao.org/aos/agrovoc/xDef_ab474874>	<http://art.uniroma2.it/ontologies/vocbench#hasSource>	"The Free Dictionary (http://www.thefreedictionary.com/vitamin+A1)." .
<http://aims.fao.org/aos/agrovoc/xDef_ab474874>	<http://purl.org/dc/terms/created>	"2018-06-13T12:53:18Z"^^<http://www.w3.org/2001/XMLSchema#dateTime> .