Lista dei (possibili) E-codici non-vegan
(tratto da wikipedia:http://www.wikipedia.org/wiki/E_number)

AO - animal origin
PAR - possible allergic reaction

E120  Cochineal, Carminic acid, Carmines, Natural Red 4 [Colouring] [PAR] [AO]
E153  Carbon black, Vegetable carbon [Colouring] [possibly of AO]
E161g Canthaxanthin [Colouring] [possibly of AO]
E252  Potassium nitrate (Saltpetre) [Preservative] [possibly of AO]
E270  Lactic acid [Preservative] [Acid] [Antioxidant] [possibly of AO]
E322  Lecithin [Emulsifier] [possibly of AO]
E325  Sodium lactate [Antioxidant] [possibly of AO]
E326  Potassium lactate [Antioxidant] [Acidity regulator] [possibly of AO]
E327  Calcium lactate [Antioxidant] [possibly of AO]
E422  Glycerol [Emulsifier] [Sweetener] [possibly of AO]
E430  Polyoxyethylene (8) stearate [Emulsifier] [Stabiliser] [PAR] [possibly of AO]
E431  Polyoxyethylene (40) stearate [Emulsifier] [possibly of AO]
E432  Polyoxyethylene (20) sorbitan monolaurate (polysorbate 20) [Emulsifier] [possibly of AO]
E433  Polyoxyethylene (20) sorbitan monooleate (polysorbate 80) [Emulsifier] [possibly of AO]
E434  Polyoxyethylene (20) sorbitan monopalmitate (polysorbate 40) [Emulsifier] [possibly of AO]
E435  Polyoxyethylene (20) sorbitan monostearate (polysorbate 60) [Emulsifier] [possibly of AO]
E436  Polyoxyethylene (20) sorbitan tristearate (polysorbate 65) [Emulsifier] [possibly of AO]
E441  Gelatine [Emulsifier] [Gelling agent] [AO]
E442  Ammonium phosphatides [Emulsifier] [possibly of AO]
E470a Sodium, potassium and calcium salts of fatty acids [Emulsifier] [Anti-caking agent] [possibly of AO]
E470b Magnesium salts of fatty acids [Emulsifier] [Anti-caking agent] [possibly of AO]
E471  Mono- and diglycerides of fatty acids (glyceryl monostearate, glyceryl distearate) [Emulsifier] [possibly of AO]
E472a Acetic acid esters of mono- and diglycerides of fatty acids [Emulsifier] [possibly of AO]
E472b Lactic acid esters of mono- and diglycerides of fatty acids [Emulsifier] [possibly of AO]
E472c Citric acid esters of mono- and diglycerides of fatty acids [Emulsifier] [possibly of AO]
E472d Tartaric acid esters of mono- and diglycerides of fatty acids [Emulsifier] [possibly of AO]
E472e Mono- and diacetyl tartaric acid esters of mono- and diglycerides of fatty acids [Emulsifier] [possibly of AO]
E472f Mixed acetic and tartaric acid esters of mono- and diglycerides of fatty acids [Emulsifier] [possibly of AO]
E473  Sucrose esters of fatty acids [Emulsifier] [possibly of AO]
E474  Sucroglycerides [Emulsifier] [possibly of AO]
E475  Polyglycerol esters of fatty acids [Emulsifier] [possibly of AO]
E476  Polyglycerol polyricinoleate [Emulsifier] [possibly of AO]
E477  Propane-1, 2-diol esters of fatty acids, propylene glycol esters of fatty acids [Emulsifier] [possibly of AO]
E478  Lactylated fatty acid esters of glycerol and propane-1 [Emulsifier] [possibly of AO]
E479b Thermally oxidized soya bean oil interacted with mono- and diglycerides of fatty acids [Emulsifier] [possibly of AO]
E481  Sodium stearoyl-2-lactylate [Emulsifier] [possibly of AO]
E482  Calcium stearoyl-2-lactylate [Emulsifier] [possibly of AO]
E483  Stearyl tartrate [Emulsifier] [possibly of AO]
E491  Sorbitan monostearate [Emulsifier] [possibly of AO]
E492  Sorbitan tristearate [Emulsifier] [possibly of AO]
E493  Sorbitan monolaurate [Emulsifier] [possibly of AO]
E494  Sorbitan monooleate [Emulsifier] [possibly of AO]
E495  Sorbitan monopalmitate [Emulsifier] [possibly of AO]
E542  Bone phosphate [Anti-caking agent] [AO]
E570  Stearic acid (Fatty acid) [Anti-caking agent] [possibly of AO]
E572  Magnesium stearate, calcium stearate [Emulsifier] [Anti-caking agent] [possibly of AO]
E585  Ferrous lactate [Colouring] [possibly of AO]
E631  Disodium inosinate [Flavour enhancer] [possibly of AO]
E635  Disodium 5'-ribonucleotides [Flavour enhancer] [possibly of AO]
E640  Glycine and its sodium salt [Flavour enhancer] [possibly of AO]
E901  Beeswax, white and yellow [Glazing agent][PAR] [AO]
E904  Shellac [Glazing agent] [AO]
E910  L-cysteine [AO]
E920  L-cysteine hydrochloride [Improving agent] [AO] 
E921  L-cysteine hydrochloride monohydrate [Improving agent] [AO]
E966  Lactitol [Sweetener] [AO]

Riassumento: additivi di sicura origine animale: 
E120
E441
E542
E901
E904
E910
E920
E921
E966


Additivi a rischio (potrebbero essere di origine animale):
E153
E161g
E252
E270
E322
E325
E326
E327
E422
E430
E432
E433
E434
E435
E436
E442
da E470 a E495
E570
E572
E585
E631
E635
E640