Food Grade Ingredients Acidulant CAS: 617-48-1 Dl-Malic Acid
Product Description
Malic acid is an organic compound with the molecular formula C4H6O5. It contributes to the pleasantly sour taste of fruits, and is used as a food additive. Malic acid has two stereoisomeric forms(L- and D-enantiomers), though only the L-isomer exists naturally. Malic acid has a strong hygroscopic, soluble in water and ethanol.
Specification:
| The Item | Unit | The Standard |
| Appearance | -- | White crystalline or crystalline powder with strong hygroscopicity |
| Assay(C4H6O5) | % | 99.0Min. |
| Fumaric Acid | % | 0.10Max. |
| Maleic Acid | % | 0.05Max |
| Melting Range | ºC | 127-132 |
| [α] D 20 Specific Rotation | -- | -0.1 0 ∽+0.1 0 |
| Residue on Ignition | % | 0.1Max. |
| Heavy Metals | ppm | 10Max. |
| Arsenic | ppm | 2Max. |
In food production, DL-Malic acid is used as acidulant, color stabilizer, preservative and yolk's emulsifier. It is also used in medicine. Normally, it is recognized that L-Malic acid has important physiology function, but the D part in DL-malic acid does not have this effect.
In daily-use chemical industry: salts of malic acid used in tooth paste is anti dental calculus agent and resisting bacterium speckle. It can also be used deodorant and detergent.
Store in tightly closed orignal package at cool, dry and ventilated place.
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