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Commission Regulation (EU) No 231/2012Show full title
Commission Regulation (EU) No 231/2012 of 9 March 2012 laying down specifications for food additives listed in Annexes II and III to Regulation (EC) No 1333/2008 of the European Parliament and of the Council (Text with EEA relevance)
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- Regulations originating from the EU
- 2012 No. 231
- ANNEX
- E 330 CITRIC ACID
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E 330 CITRIC ACID
| Synonyms | |
| Definition | Citric acid is produced from lemon or pineapple juice, by fermentation of carbohydrate solutions or other suitable media using Candida spp. or non-toxicogenic strains of Aspergillus niger |
| Einecs | 201-069-1 |
| Chemical name | Citric acid; 2-Hydroxy-1,2,3-propanetricarboxylic acid; β-Hydroxytricarballylic acid |
| Chemical formula | (a) C6H8O7 (anhydrous) (b) C6H8O7·H2O (monohydrate) |
| Molecular weight | (a) 192,13 (anhydrous) (b) 210,15 (monohydrate) |
| Assay | Citric acid may be anhydrous or it may contain 1 molecule of water. Citric acid contains not less than 99,5 % of C6H8O7, calculated on the anhydrous basis |
| Description | Citric acid is a white or colourless, odourless, crystalline solid, having a strongly acid taste. The monohydrate effloresces in dry air |
| Identification | |
|---|---|
| Solubility | Very soluble in water; freely soluble in ethanol; soluble in ether |
| Purity | |
| Water content | Anhydrous citric acid contains not more than 0,5 % water; citric acid monohydrate contains not more than 8,8 % water (Karl Fischer method) |
| Sulphated ash | Not more than 0,05 % after calcination at 800 ± 25 °C |
| Arsenic | Not more than 1 mg/kg |
| Lead | Not more than 0,5 mg/kg |
| Mercury | Not more than 1 mg/kg |
| Oxalates | Not more than 100 mg/kg, expressed as oxalic acid, after drying |
| Readily carbonisable substances | Heat 1 g of powdered sample with 10 ml of 98 % minimum sulphuric acid in a water bath at 90 °C in the dark for one hour. Not more than a pale brown colour should be produced (Matching Fluid K) |
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