### Clue: Stigmatise thick person consuming food additive? (8)
### Answer: DENOUNCE 
 ### Explanation: Definition: Stigmatise
  DUNCE(stupid,thick person) **containing**(consuming) ENO(the branded salts, essentially sodium bicarbonate and sodium carbonate that you take after,additive to, having too much food, to relieve that ill-feeling.  Named after its inventor James Crossley Eno. Edit.note:  Per comment #5:  OR as the setter intended E NO, part of food additive numbering system.