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Sodium citrate, the sodium salts of citric acid with the European food additive number E331. It is Crystalline white powder or crystals. This ingredient is usually added together with citric acid to enhance flavor or reduce the PH level in food and drinks, also it can act as an emulsifier in cheese making. It commonly refers to trisodium citrate (E331iii).
Trisodium citrate has two forms: trisodium citrate dihydrate and anhydrous. It is widely used as a flavoring agent, buffer, chelating agent, emulsifier, stabilizer, and preservative in the food industry.
| Test Item | Standard | Result |
|---|---|---|
| Characters | White crystalline powder, freely soluble in water | Pass |
| Water w/% | 11.0-13.0 | 12.2 |
| Assay Content | 99.5~100.5 | 99.9 |
| PH (5% solution) | 7.5~9.0 | 8.8 |
| Lead (mg/kg) | ≤1 | Qualified |
| Category | Products Included | |
|---|---|---|
| Preservatives | Calcium propionate, Sodium benzoate, Potassium sorbate | |
| Sweeteners | Aspartame, Sucralose, Glucose, Fructose | |
| Thickening Agent | Xanthan gum, Guar gum, Gelatin, Agar | |
| Flavor Pigment | Vanillin, Lemon yellow, Bright blue | |







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