Colourless free-flowing crystals, crystalline powder, or granules, usually having an odour of sulfur dioxide.

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The function(s) performed by the food additive when used in cooking.

  • Antioxidant - Protects a food from deterioration caused by oxidation
  • Preservative - Helps protect against food deterioration caused by micro-organisms

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Data according to various sources such as fao, fda, codex. Spot a mistake? Tell us!

Country Status Matched Term
United States
Approved Potassium metabisulfite
European Union
Approved Potassium metabisulfite
Australia and New Zealand
Approved Potassium metabisulfite
Philippines
Approved Potassium Metabisuphite
Austria
Approved Potassium metabisulfite
Belgium
Approved Potassium metabisulfite
Bulgaria
Approved Potassium metabisulfite
Cyprus
Approved Potassium metabisulfite
Czech Republic
Approved Potassium metabisulfite
Denmark
Approved Potassium metabisulfite
Estonia
Approved Potassium metabisulfite
Finland
Approved Potassium metabisulfite
France
Approved Potassium metabisulfite
Germany
Approved Potassium metabisulfite
Greece
Approved Potassium metabisulfite
Hungary
Approved Potassium metabisulfite
Ireland
Approved Potassium metabisulfite
Italy
Approved Potassium metabisulfite
Latvia
Approved Potassium metabisulfite
Lithuania
Approved Potassium metabisulfite
Luxembourg
Approved Potassium metabisulfite
Malta
Approved Potassium metabisulfite
Netherlands
Approved Potassium metabisulfite
Poland
Approved Potassium metabisulfite
Portugal
Approved Potassium metabisulfite
Romania
Approved Potassium metabisulfite
Slovakia
Approved Potassium metabisulfite
Slovenia
Approved Potassium metabisulfite
Spain
Approved Potassium metabisulfite
Sweden
Approved Potassium metabisulfite
United Kingdom
Approved Potassium metabisulfite
Australia
Approved Potassium metabisulfite
New Zealand
Approved Potassium metabisulfite

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Synthetic substance - yes

E224 - Potassium metabisulfite: Chemical Preservative.

Muslim Consumer Group

Aggravates food intolerances - yes

E224 - Potassium metabisulfite: From the Food Intolerance Network fact-sheet titled 'How to start failsafe eating: a step by step guide'.

Food Intolerance Network

Aggravates food intolerances - yes

E224 - Potassium metabisulfite: 'The Sulphites', are known to be a problem for asthmatics.

Hampshire County Council

Biotechnology used in production - yes

E224 - Potassium metabisulfite: A potassium salt of sulphurous acid, see E222. Used as an antimicrobial preservative, particularly in wine. Typical products include wine, frozen vegetables, fruit juice, fruit preserves, pickles, frozen shellfish. See 220. Other names: potassium pyrosulfite, pyrosulfurous acid dipotassium salt.

MBM Foods

Recommended for consumption by children - no

E224 - Potassium metabisulfite: The HACSG recommends to avoid it. May cause allergic reactions in asthmatics, destroys vitamin B1. Dyspnea, Cyanosis, Faintness, Unconsciousness.

Angelfire-Food Intolerance, Allergies and Adverse Reactions

Causes allergic reaction - yes

E224 - Potassium metabisulfite: May cause asthmatic and allergic reactions.

Traditional Oven - Dangerous Food Additives

INS No. 224
Disulfurous acid potassium salt (1:2)
Potassium pyrosulfite
Pyrosulfurous acid dipotassium salt

Collection of sources used to create this food additive summary.

Source
Codex Alimentarius
Food Standards Australia New Zealand
JECFA (Joint FAO/WHO Expert Committee on Food Additives)
UK Food Guide
UK Food Standards Agency
U.S. Food and Drug Administration

Lists the U.S. CAS (Chemical Abstracts Service) registry number and EINECS (European INventory of Existing Commercial chemical Substances) numbers when known.

  • CAS Number: 16731-55-8
  • EINECS Number: 240-795-3

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