Tricalcium Citrate

CAS Registry Number:

[5785-44-4]

Chemical Formula:

(C6H5O7)2Ca3 · 4H2O

E-Number:

E333

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More information about Tricalcium Citrate:

General information

The most commonly used calcium salt of citric acid is tricalcium dicitrate tetrahydrate, hereinafter referred to as tricalcium citrate. In some countries such as USA, tricalcium citrate is simply denominated calcium citrate. It is produced by complete neutralisation of citric acid with a high purity calcium source such as calcium hydroxide or calcium carbonate.

With its high calcium content of 21%, tricalcium citrate is the most economic calcium salt among the commonly used organic calcium salts.

Tricalcium citrate is supplied as a white, odourless, crystalline powder or fine powder. It is slightly soluble in water and freely soluble in diluted hydrochloric acid. In contrary to other salts, tricalcium citrate is better soluble at lower temperatures (so-called "inverse solubility"). It is practically insoluble in alcohol.

During heat treatment, it is less reactive than other calcium salts due to its inverse solubility. With regard to its significantly better bioavailability, tricalcium citrate is preferred over inorganic calcium sources such as calcium carbonate or calcium phosphate.

Specifications

Tricalcium citrate meets the requirements of the US Pharmacopeia (USP), the Food Chemicals Codex (FCC), and the Commission Regulation (EU) No. 231/2012 always in their latest versions.

The following granulation types are available:

  • Micronised Powder
  • Powder
  • Granular

Tricalcium citrate is supplied in polyethylene lined paper bags. Net quantity is 10, 15, 20 or 25 kg, depending on the individual bulk density of the desired granulation.

Properties

  • White powder
  • Available in different micronised granulations
  • Neutral taste
  • Slightly soluble in water
  • Inverse solubility
  • Good bioavailability
  • Good compressability
  • High compatibility
  • 21% Ca-content
  • Allergen and GMO free

Main functions

  • Highly bioavailable calcium source in pharmaceuticals, foods and beverages
  • pH adjuster
  • Sequestering and stabilising agent in food
  • Firming agent for fruits and vegetables
  • Low reactivity compared to other calcium salts

Applications

  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Firms up the consistency
    • Avoids caking
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Shows low reactivity compared to other calcium salts
    • Enables use of nutrition claims
    • Enables use of health claims
  • Dairy Alternatives
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Firms up the consistency
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Avoids caking
    • Enables use of nutrition claims
    • Enables use of health claims
  • Meat Alternatives
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Shows low reactivity compared to other calcium salts
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Avoids caking
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Firms up the consistency
    • Shows low reactivity compared to other calcium salts
    • Enables use of nutrition claims
    • Enables use of health claims
  • Plant-based
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Shows low reactivity compared to other calcium salts
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Enriches the calcium (Ca) content
    • Adjusts pH
    • Enables use of nutrition claims
    • Enables use of health claims
  • Functions:
    • Adjusts pH
    • Reduces caries resulting from remineralisation of teeth
  • Functions:
    • Enriches the calcium (Ca) content
  • Plastics, Polymers
  • Functions:
    • Adjusts pH
    • Enriches the calcium (Ca) content
  • Functions:
    • Adjusts pH
    • Enriches the calcium (Ca) content
  • Buffering agent
  • Chelating agent
  • Mineral source
  • Stabiliser of emulsions, syrups, suspensions
  • Tablet binder
  • Tablet or capsule diluent

Documents

Folder
Product Range
Bio-based ingredients
Folder
Special Salts
Functional minerals
Article
ERYLITE® Erythritol in compressed tablets
Published: 10/2021

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