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E Numbers 300 to 399 - Permitted Anti-Oxidents, Emulsifiers & Stabilisers
| E-Number | Name | Origin | Origin(Other) |
| E300 | L- Ascorbic acid | Acid, which occurs naturally in most fruits and vegetables. Commercially synthesised by bacterial fermentation of glucose, followed by chemical oxidation | |
| E301 | Sodium L-ascorbate | Sodium salt of ascorbic acid (vitamin C, a n atural acid), which occurs naturally in most fruits and vegetables. Commercially synthesised by bacterial fermentation of glucose, followed by chemical oxidation | |
| E302 | Calcium L-ascorbate | Calcium salt of ascorbic acid (vitamin C, a n atural acid), which occurs naturally in most fruits and vegetables. Commercially synthesised by bacterial fermentation of glucose, followed by chemical oxidation | |
| E304 | 6-0-palmitoyl-L-ascorbic acid | Combination of the fatty acid palmitate with ascorbic acid (vitamin C, a n atural acid), which occurs naturally in most fruits and vegetables. Palmitic acid is produced from fat (for ascorbate see E300) | There is the possibility that the palmitic acid used is obtained from animal fat, although the main source is vegetable fat. Use of animal (incl. pork) fat cannot be ruled out completely |
| E306 | Extracts of tocopherols | Extract of vegetable oils rich in tocopherols (vitamin E) | |
| E307 | alfa- Tocopherol | Extract of vegetable oils rich in tocopherols (vitamin E), especially sunflower oil. Can also be made by chemical synthesis. | |
| E308 | gamma-Tocopherol | Extract of vegetable oils rich in tocopherols (vitamin E), especially soybean oil. Can also be made by chemical synthesis | |
| E309 | delta- Tocopherol | Extract of vegetable oils rich in tocopherols (vitamin E), especially soybean oil. Can also be made by chemical synthesis | |
| E310 | Propyl gallate | Synthesised from octanol and gallic acid, which is produced from plant tannins | |
| E311 | Octyl gallate | Synthesised from octanol and gallic acid, which is produced from plant tannins | |
| E312 | Dodecyl gallate | Synthesised from lauryl alcohol and gallic acid, which is produced from plant tannins | There is the possibility that the lauric acid used for lauryl alcohol is obtained from animal fat, although the main source is vegetable fat. Use of animal (incl. pork) fat cannot be ruled out completely. It does not contain alcohol (ethanol). |
| E313 | Thiodipropionic acid | Synthetic anti-oxidant | |
| E314 | Guaiac Gum | Natural resin from the tree Guajacum officinale and some related tropical trees | |
| E315 | Erythorbic acid | Synthetic isomer of vitamin C, but with only 1/20 of the vitamin activity | |
| E316 | Sodium erythorbate | Sodium salt of erythorbic acid, a synthetic isomer of vitamin C (but with only 1/20 of the vitamin activity) | |
| E319 | Butylhydroxinon | Synthetic antioxidant | |
| E320 | Butylated hydroxyanisole | Synthetic antioxidant | |
| E321 | Butylated hydroxytoluene | Synthetic antioxidant | |
| E322 | Lecithin | The term lecithin refers to a group of compounds found in every living organism, as they are part of the cell wall of all cells. Lecithin is commercially isolated (mainly) from soybeans or egg yolk. The chemical composition of these two products (sources) is rather different, which determines the applications | The richest natural sources of lecithin are from foods which are also high in fat, such as eggs and beef liver, but other foods such as peanuts, beef steak and some fruits and vegetables are lesser sources |
| E325 | Sodium lactate | Sodium salt of lactic acid (E270), a natural acid produced by bacteria in fermented foods. All fermented foods are very rich in lactic acid. Commercially produced by bacterial fermentation on starch and molasses. Also produced in large amounts in the large intestine by the resident bacteria | See E270 |
| E326 | Potassium lactate | Potassium salt of lactic acid (E270), a natural acid produced by bacteria in fermented foods. All fermented foods are very rich in lactic acid. Commercially produced by bacterial fermentation on starch and molasses. Also produced in large amounts in the large intestine by the resident bacteria | See E270 |
| E327 | Calcium lactate | Calcium salt of lactic acid (E270), a natural acid produced by bacteria in fermented foods. All fermented foods are very rich in lactic acid. Commercially produced by bacterial fermentation on starch and molasses. Also produced in large amounts in the large intestine by the resident bacteria | See E270 |
| E330 | Citric acid | Citric acid is a compound found in every living organism, as it is part of the key metabolic pathways in all body cells. Large concentrations are found in citrus fruits, kiwi, strawberries and many other fruits. It is commercially prepared by fermentation of molasses with the mould Aspergillus niger | |
| E331 | Sodium citrates | Sodium salts of citric acid, a compound found in every living organism, as it is part of the key metabolic pathways in all body cells. Large concentrations are found in citrus fruits, kiwi, strawberries and many other fruits. Commercially prepared by fermentation of molasses with the mould Aspergillus niger | |
| E332 | Potassium citrates | Potassium salts of citric acid, a compound found in every living organism, as it is part of the key metabolic pathways in all body cells. Large concentrations are found in citrus fruits, kiwi, strawberries and many other fruits. Commercially prepared by fermentation of molasses with the mould Aspergillus niger | |
| E333 | Mono, di, and Tri- Calcium citrate | Calcium salts of citric acid, a compound found in every living organism, as it is part of the key metabolic pathways in all body cells. Large concentrations are found in citrus fruits, kiwi, strawberries and many other fruits. Commercially prepared by fermentation of molasses with the mould Aspergillus niger | |
| E334 | L-(+)- tartaric acid | Natural acid, present in many fruits, especially grapes. Commercially prepared from waste products of the wine industry (grape skins). | |
| E335 | mono/di Sodium L-(+)- tartrate | Sodium salts of tartaric acid, a natural acid present in many fruits, especially grapes. Commercially prepared from waste products of the wine industry (grape skins) | |
| E336 | monoPotassium L-(+)- tartrate | Potassium salts of tartaric acid, a natural acid present in many fruits, especially grapes. Commercially prepared from waste products of the wine industry (grape skins). | |
| E337 | Potassium sodium L-(+)- tartrate | Potassium and sodium salt of tartaric acid, a natural acid present in many fruits, especially grapes. Commercially prepared from waste products of the wine industry (grape skins). | |
| E338 | Phosphoric acid | Normal constituent of many fruits and vegetables. Commercially produced from phosphate mined in the US | |
| E339 | Sodium orthophosphates | Sodium salts of phosphoric acid. Normal constituent of the body. Commercially produced from phosphoric acid, which is produced from phosphate mined in the US | |
| E340 | Potassium orthophosphates | Potassium salts of phosphoric acid. Normal constituent of the body. Commercially produced from phosphoric acid, which is produced from phosphate mined in the US | |
| E341 | Calcium orthophosphates | Calcium salts of phosphoric acid. Normal constituent of the body. Commercially produced from phosphoric acid, which is produced from phosphate mined in the US | |
| E343 | Magnesium orthophosphates | Magnesium salts of phosphoric acid. Normal constituent of the body. Commercially produced from phosphoric acid, which is produced from phosphate mined in the US | |
| E350 | Sodium malate | Sodium salt of malic acid (E296), a natural acid present in fruits | |
| E351 | Potassium malate | Potassium salts of malic acid (E296), a natural acid present in fruits | |
| E352 | Calcium malate | Calcium salts of malic acid (E296), a natural acid present in fruits | |
| E353 | meta tartaric acid | Acid, present in sugar cane and produced from glucose | |
| E354 | Calcium tartarate | Calcium salt of tartaric acid, a natural acid present in fruits | |
| E355 | Adipic acid | Natural acid present in beets and sugar cane (juice) | |
| E356 | Sodium adipate | Sodium salt of adipic acid, a natural acid present in beets and sugar cane (juice). | |
| E357 | Potassium adipate | Potassium salt of adipic acid, a natural acid present in beets and sugar cane (juice). | |
| E363 | Succinic acid | Natural acid, present in most fruits and vegetables. Commercially synthesised from acetic acid | |
| E365 | Sodium fumarate | Sodium salt of fumaric acid (E297), a natural acid | |
| E370 | 1,4-Heptonolactone | Synthetic product, prepared from hydroxy-heptanoic acid | |
| E375 | Nicotinic acid | Natural compound, present in many products. Commercially prepared from nicotine | From yeast. Production from liver is too expensive |
| E380 | triAmmonium citrate | Ammonium salt of citric acid (E330). | |
| E381 | Ammonium ferric citrate | Complex mixture of ammonia, iron and citric acid (E330). | |
| E385 | Calcium disodium ethylenediamine | Calcium/sodium salt of EDTA (385), a synthetic compound | |
| E386 | EDTA: Disodium ethylenediamine tetra-acetate | A synthetic compound | |
| E387 | Oxystearin | Mixture of glycerides of stearic acid and other fatty acids | Although commercially (nearly always) prepared from vegetable oil, fatty acids of animal origin (incl. pork) cannot be excluded |
| E388 | Thiodipropionic acid | Synthetic compound |
