Preservatives in Food
Preservatives slow spoilage caused by microbes or oxidation and extend shelf life. On UK labels, additives are listed by their function followed by their name or E number, for example "preservative: potassium sorbate".
Preservative
Preservatives are substances added to food to prevent or inhibit spoilage caused by microorganisms like bacteria, yeasts, and moulds. They …
What is Preservative? →
Antioxidant
Antioxidants are substances that can prevent or slow damage to cells caused by free radicals, unstable molecules that the body …
What is Antioxidant? →
Potassium sorbate
Potassium sorbate is the potassium salt of sorbic acid. It is a naturally occurring compound found in some fruits, but …
What is Potassium sorbate? →
Sodium nitrite
Sodium nitrite is a white crystalline powder, an inorganic salt. It is produced industrially by reacting nitrogen oxides with sodium …
What is Sodium nitrite? →
Sodium metabisulphite
Sodium metabisulphite is an inorganic salt, a white or yellowish crystalline powder. It is produced commercially by treating sodium carbonate …
What is Sodium metabisulphite? →
Calcium propionate
Calcium propionate is a calcium salt of propionic acid. It is a white crystalline powder that is odourless or has …
What is Calcium propionate? →
Extracts of rosemary
Extracts of rosemary are derived from the leaves of the rosemary plant (Rosmarinus officinalis), a woody perennial herb native to …
What is Extracts of rosemary? →
Potassium nitrate
Potassium nitrate is a chemical salt that occurs naturally in mineral deposits and is also found in plants. It is …
What is Potassium nitrate? →
Tocopherol-rich extract
Tocopherol-rich extract is a natural antioxidant derived from vegetable oils, such as soybean or sunflower oil. It is produced by …
What is Tocopherol-rich extract? →
Sulphur dioxide
Sulphur dioxide (SO2) is a gas that occurs naturally in small amounts in volcanic gases and is produced during the …
What is Sulphur dioxide? →
Sodium benzoate
Sodium benzoate is the sodium salt of benzoic acid. It is a white, crystalline powder that is soluble in water. …
What is Sodium benzoate? →
Sorbic acid
Sorbic acid is a naturally occurring organic compound, though it is typically produced industrially for use as a food additive. …
What is Sorbic acid? →
Sodium nitrate
Sodium nitrate is a white crystalline salt that occurs naturally in some vegetables and is also produced industrially. It is …
What is Sodium nitrate? →
Calcium disodium ethylenediaminetetraacetate
Calcium disodium ethylenediaminetetraacetate is a synthetic chelating agent. It is produced through a chemical process involving ethylenediaminetetraacetic acid and calcium …
What is Calcium disodium ethylenediaminetetraacetate? →
Sodium diacetate
Sodium diacetate is a compound made by mixing sodium acetate and acetic acid. It is a white crystalline solid that …
What is Sodium diacetate? →
Potassium lactate
Potassium lactate is the potassium salt of lactic acid. It is produced by the neutralisation of lactic acid, which can …
What is Potassium lactate? →
Lysozyme
Lysozyme is an enzyme that acts as a natural antimicrobial agent. It is typically derived from egg white (hen's egg) …
What is Lysozyme? →
Potassium metabisulphite
Potassium metabisulphite is an inorganic salt, a white or yellowish crystalline powder. It is produced commercially by treating potassium carbonate …
What is Potassium metabisulphite? →
Curing salt
Curing salt is a blend of sodium chloride (table salt) and sodium nitrite or potassium nitrite. It is used to …
What is Curing salt? →
Sodium erythorbate
Sodium erythorbate is the sodium salt of erythorbic acid, a stereoisomer of ascorbic acid (vitamin C). It is typically produced …
What is Sodium erythorbate? →
Sodium sulphite
Sodium sulphite (E221) is an inorganic salt derived from sulphur dioxide. It is produced industrially by reacting sulphur dioxide with …
What is Sodium sulphite? →
Dimethyl dicarbonate
Dimethyl dicarbonate (DMDC) is a chemical compound. It is synthesised industrially from methanol and carbon monoxide. It is a colourless …
What is Dimethyl dicarbonate? →
Butylated hydroxyanisole (bha)
Butylated hydroxyanisole (BHA) is a synthetic antioxidant. It is produced by the chemical reaction of p-methoxyphenol with tert-butyl hydroperoxide. It …
What is Butylated hydroxyanisole (bha)? →
Calcium acetate
Calcium acetate is the calcium salt of acetic acid. It is produced by reacting calcium hydroxide or calcium carbonate with …
What is Calcium acetate? →
Potassium acetate
Potassium acetate is the potassium salt of acetic acid. It is a white crystalline solid that can be produced by …
What is Potassium acetate? →
Lysozyme from eggs
Lysozyme is an enzyme that occurs naturally in egg whites and other animal secretions. It is produced commercially by extracting …
What is Lysozyme from eggs? →
Tertiary-butylhydroquinone (tbhq)
Tertiary-butylhydroquinone (TBHQ) is a synthetic antioxidant. It is produced through a chemical reaction involving hydroquinone and isobutylene. TBHQ is an …
What is Tertiary-butylhydroquinone (tbhq)? →
Ascorbyl palmitate
Ascorbyl palmitate is an ester formed from ascorbic acid (vitamin C) and palmitic acid (a fatty acid). It is produced …
What is Ascorbyl palmitate? →
Butylated hydroxytoluene
Butylated hydroxytoluene (BHT) is a synthetic antioxidant. It is typically produced through a chemical reaction involving p-cresol and isobutylene.
What is Butylated hydroxytoluene? →
Sodium Propionate
Sodium propionate is the sodium salt of propionic acid, a naturally occurring organic acid. It is typically produced industrially by …
What is Sodium Propionate? →
Natamycin
Natamycin is a naturally occurring antifungal compound produced by the bacterium *Streptomyces natalensis*. It is typically produced through fermentation processes.
What is Natamycin? →
Benzoic acid
Benzoic acid is a simple aromatic carboxylic acid. It occurs naturally in many plants, such as cranberries, plums, and cinnamon, …
What is Benzoic acid? →
Potassium benzoate
Potassium benzoate is the potassium salt of benzoic acid. It is produced by the reaction of benzoic acid with potassium …
What is Potassium benzoate? →
Propyl gallate
Propyl gallate is a synthetic antioxidant. It is produced by the esterification of gallic acid, which can be derived from …
What is Propyl gallate? →
Sodium bisulphite
Sodium bisulphite is an inorganic salt, a chemical compound of sodium and bisulphite. It is typically produced by passing sulphur …
What is Sodium bisulphite? →
Preservatives
Preservatives are substances added to food to prevent or inhibit spoilage caused by microorganisms like bacteria, yeasts, and moulds. They …
What is Preservatives? →
Nitrite curing salt
Nitrite curing salt, also known as curing salt or Prague powder, is a mixture of sodium chloride (salt) and sodium …
What is Nitrite curing salt? →
Potassium nitrite
Potassium nitrite is an inorganic salt, a white crystalline powder. It is produced industrially through chemical synthesis, often involving reactions …
What is Potassium nitrite? →
Imazalil
Imazalil is a synthetic fungicide used to protect crops from fungal diseases. It is primarily applied as a post-harvest treatment …
What is Imazalil? →
Sodium Metabisulphate
Sodium metabisulphite is an inorganic salt, a white or yellowish crystalline powder. It is produced industrially by treating sodium carbonate …
What is Sodium Metabisulphate? →
Sodium Hydrogen Sulphite
Sodium hydrogen sulphite (E222) is an inorganic chemical compound. It is a salt of sulphurous acid, typically produced by reacting …
What is Sodium Hydrogen Sulphite? →
Water Curing Salt
Water curing salt is a mixture of sodium chloride (salt) and sodium nitrite, sometimes with sodium nitrate. It is used …
What is Water Curing Salt? →
Sulphites
Sulphites are a group of chemical compounds containing sulphur and oxygen. They occur naturally in small amounts in some foods …
What is Sulphites? →
Tertiary Butyl Hydroquinone
Tertiary Butylhydroquinone (TBHQ) is a synthetic antioxidant. It is produced by the reaction of hydroquinone with isobutylene. It is a …
What is Tertiary Butyl Hydroquinone? →
Heptylparaben
Heptylparaben is a synthetic chemical compound belonging to the paraben family. It is a type of ester derived from p-hydroxybenzoic …
What is Heptylparaben? →
E202 Preservative
Potassium sorbate (E202) is the potassium salt of sorbic acid. It is a naturally occurring compound found in the berries …
What is E202 Preservative? →
Chilean Salt
Chilean salt, also known as Chilean nitrate or sodium nitrate, is a naturally occurring mineral salt found in arid regions, …
What is Chilean Salt? →
Nitrate
Nitrate is a naturally occurring compound found in soil, water, and plants. It is also produced in the human body. …
What is Nitrate? →
Potassiu Sorbate
Potassium sorbate is the potassium salt of sorbic acid. It is a naturally occurring compound found in some fruits, but …
What is Potassiu Sorbate? →
Antioxidants
Antioxidants are substances that can prevent or slow damage to cells caused by free radicals, unstable molecules that the body …
What is Antioxidants? →
Other ingredient types
Note:
This site presents label data from Open Food Facts for general information. It is not medical advice.
Check the package label; formulations change.