About: http://webisa.webdatacommons.org/193048491

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	They can be made with all kinds of things, including eggs, casein, etc (i.e., other allergens) and they are not listed, so I do not know how you would find out about corn and wine.
http://www.w3.org/ns/prov#wasQuotedFrom	celiac.com