About: http://webisa.webdatacommons.org/351422832

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	Beta-carotene, one type of carotenoid, is a precursor to vitamin A, a deficiency of which can lead to blindness and a condition called xerophthalmia in which the eyes can no longer produce tears.
http://www.w3.org/ns/prov#wasQuotedFrom	motherearthliving.com