China CAS 501-30-4 Pharmaceutical Raw Material Aspergillus Oryzae Kojic Acid CAS 501-30-4, Find details about China CAS57028-96-3, CAS81-14-1 from CAS 501-30-4 Pharmaceutical Raw Material Aspergillus Oryzae Kojic Acid CAS 501-30-4
Item | Specification |
Appearance | White or off white crystal |
Purity(%) | 99.0 min |
Melt Point(ºC) | 152-156 |
Loss on Drying(%) | 0.5 max |
Residueon Ignition(%) | 0.1 max |
Heavy Metals(ppm) | 3 max |
Kojic acid (CAS 501-30-4) is a chelation agent produced by several species of fungi, especially Aspergillus oryzae, which has the Japanese common name koji. Kojic acid is a by-product in the fermentation process of malting rice, for use in the manufacturing of sake, the Japanese rice wine. It is a mild inhibitor of the formation of pigment in plant and animal tissues, and is used in food and cosmetics to preserve or change colors of substances. It forms a bright red complex with ferric ions.