About: http://webisa.webdatacommons.org/218640738

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	That said, yes there are proteins, lipids and other elements within a roasted coffee bean that contribute to bitterness.
http://www.w3.org/ns/prov#wasQuotedFrom	coffeegeek.com