30340 - chocolate and similar (efsa foodex2)
30400 - couverture chocolate (efsa foodex2)
cooking chocolate
http://www.langual.org/langual_thesaurus.asp?termid=A034M
http://langual.org
The group includes any type of Couverture chocolate. In EU the products sold as Couverture chocolate have the characteristics defined by EU legislation Directive 2000/36/EC. The part consumed/analysed is by default the whole or a portion of it representing the observed heterogeneity.[https://en.wikipedia.org/wiki/Couverture_chocolate] and [https://www.google.co.uk/search?tbm=isch&q=Couverture chocolate]
requires discussion