DL-Malic Acid can be widely found in vegetables and fruits, especially in apples, bananas, oranges, beans, potatoes and carrot.
| ITEMS | STANDARD |
| Appearance | White crystals or crystalline powder |
| Assay | 99.0% min |
| Specific Rotation | -1.6 o --- -2.6 o |
| Residue on ignition | 0.05% max |
| Chloride | 0.004% max |
| Sulphate | 0.02% max |
| State of solution | clarification |
| Readily oxidizable substance | Qualified |
| Fumaric Acid | 1.0% max |
| Maleic Acid | 0.05% max |
| Heavy metals(as Pb) | 20 ppm max |
| Arsenic(As) | 2 ppm max |
(1) In food industry: it can be used in the processing and concoction of beverage, liqueur, fruit juice and the manufacture of candy and jam etc. It also has effects of bacteria inhibition and antisepsis and can remove tartrate during wine brewing.
(2) In tobacco industry: malic acid derivative (such as esters) can improve the aroma of tobacco.
(3)In pharmaceutical industry: the troches and syrup compounded with malic acid have fruit taste and can facilitate their absorption and diffusion in the body.
(4) Daily chemical industry: as a good complexing agent, it can be used for toothpaste formula, spice synthesis formulas and so on. It also can be used as a deodorant and detergent ingredients. As a food additive, malic acid is an essential food ingredient in our food supply.As a leading food additives and food ingredients supplier in China, we can provide you with high quality malic acid.