DL-Malic Acid, E297, CAS no.617-48-1, is a isomer of L-Malic Acid manufactured through chemical synthesis, available as White crystals or crystalline powder. DL-Malic Acid used in foods such as wines, beverages, fruit juices and chewing gums. Malic acid can be added in cool drinks, powder drinks, lactic acid drinks, milk drinks and fruit juice drinks to improve their tastes and flavors. Malic acid is often added together with Aspartame, an artificially synthesized dipeptide sweetener, into soft drinks as the flavor stabilizer. As an experienced DL-Malic Acid manufacturer and supplier, we has been supplying and exporting DL-Malic Acid for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. DL-Malic Acid Specification ITEMS STANDARD Appearance White crystals or crystalline powder Assay 99.0 100.5% Specific Rotation -0.10 o +0.10 o Residue on ignition 0.10% max Water-insoluble substance 0.1% max Fumaric Acid 1.0% max Maleic Acid 0.05% max Heavy metals(as Pb) 10 ppm max Arsenic(As) 4 ppm max