E290-CARBON DIOXIDE

E290 is the European food additive code for carbon dioxide (CO2). Carbon dioxide is a colorless, odorless gas that occurs naturally in the Earth's atmosphere.

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E290 is the European food additive code for carbon dioxide (CO2). Carbon dioxide is a colorless, odorless gas that occurs naturally in the Earth's atmosphere. In the context of the food and beverage industry, carbon dioxide has several important uses:

  • Carbonation: One of the primary applications of carbon dioxide in the food and beverage industry is for carbonating drinks. When dissolved in water, carbon dioxide creates carbonic acid, resulting in the characteristic fizz or effervescence in carbonated beverages like sodas and sparkling water.
  • Preservative: Carbon dioxide can act as a preservative by creating a modified atmosphere in certain packaged foods. In modified atmosphere packaging (MAP), carbon dioxide is used to displace oxygen, which helps slow down the oxidation and deterioration of food, extending its shelf life.
  • Leavening Agent: In baking, carbon dioxide is released during the fermentation process. It contributes to the leavening or rising of bread and other baked goods. Additionally, carbon dioxide is generated when baking soda (sodium bicarbonate) reacts with an acid, producing carbon dioxide gas that helps dough rise.
  • Freezing Agent: Carbon dioxide is used in the food industry as a freezing agent. It can be employed in processes like cryogenic freezing to rapidly freeze food products, preserving their quality.
  • pH Control: Carbon dioxide can influence the pH of certain food products, acting as an acidulant. This property is utilized in the production of various food items, including certain beverages.
  • Regulatory Approval: Carbon dioxide is generally recognized as safe (GRAS) for use in food and beverages. It has regulatory approval from food safety authorities in various regions.
  • Environmental Considerations: While carbon dioxide is a natural component of the atmosphere, excess emissions from human activities, particularly the burning of fossil fuels, contribute to climate change and global warming. However, the use of carbon dioxide in certain food applications, such as carbonation, is considered safe and does not contribute significantly to environmental concerns.

Data sheet

CAS Number
2811 19 00
HS Code
124-38-9
Chemical Formula
CO2
Appearance
odorless white solid
Packaging
25kg bag
Name / Reference
E290-CARBON DIOXIDE

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