About: http://webisa.webdatacommons.org/336101026

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	Since 1998, folic acid has been added to most enriched bread flours, cornmeal, pasta, rice, and other grain products in the U.S. and Canada.
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu