About: http://webisa.webdatacommons.org/5589964

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	Sources of contamination could be air, water, equipments used during processing such as utensils, leaves used for wrapping or even through the human handler.
http://www.w3.org/ns/prov#wasQuotedFrom	scialert.net