- acidity regulators
 - anti-caking agents
 - anti-foaming
 - antioxidants
 - bulking agents
 - carriers
 - colours
 - emulsifiers
 - emulsifying salts
 - firming agent
 - flavour enhancers
 - flour treatment agents
 - foaming agents
 - gelling agents
 - glazing agents
 - humectants
 - modified starches
 - packaging gases
 - preservatives
 - propellants
 - raising agents
 - sequestrant
 - solvents
 - stabilisers
 - sweetener
 - thickeners
 
Firming agents are substances which make or keep tissues of fruit or vegetables firm or crisp, or interact with gelling agents to produce or strengthen a gel.
| Code | Material | CEFF approved | 
|---|---|---|
| E 263 | Calcium acetate | 
											  Yes
									 | 
								
| E 333 | Calcium citrates | 
											  Yes
									 | 
								
| E 520 | Aluminium sulphate | 
											  Yes
									 | 
								
| E 526 | Calcium hydroxide | 
											  Yes
									 | 
								
| E 529 | Calcium oxide | 
											  Yes
									 | 
								
 Yes