ITEMSpecificationIdentificationPasses test A, BSpecific rotation-16.5o ~ -18.0oAssay99.0-100.5%Loss on drying0.4% Max.Residue on ignition0.3% Max.Heavy metal10ppmMax.Lead2ppm Max.Mercury1ppm Max.Arsenic1ppm Max.OxalatePasses test
Erythorbic acid, formerly known as isoascorbic acid and D-araboascorbic acid, is a stereoisomer of ascorbic acid (vitamin C). It is a vegetable-derived food additive produced from sucrose. It is denoted by E number E315, and is widely used as an antioxidant in processed foods.
Erythorbic acid is important antioxidant in food industry, which can keep the color, natural flavor of foods and lengthen its storage without any toxic and side effects. They are used in meat processing, fruits, vegetable, tin and jam etc. Also they are used in drinks, such as beer, grape wine, soft drink, fruit tea and fruit juice etc.