00670 - cereal and cereal-like flours (efsa foodex2)
00680 - flour mix (like wheat/rye/barley/oats and other) (efsa foodex2)
http://www.langual.org/langual_thesaurus.asp?termid=A004S
http://langual.org
The group includes any type of Flour mix, like wheat/rye/barley/oats. When relevant, information on the raw primary commodities (like wheat/rye/barley/oats) from which the flour has been obatined should be reported with additional facet descriptors. The proportion of the different cereals is not defined. The part consumed/analysed is by default the whole or a portion of it representing the observed heterogeneity. ] and [https://en.wikipedia.org/wiki/flour] and [https://www.google.co.uk/search?tbm=isch&q=Flour]
requires discussion