Erythorbic acid

Erythorbic acid (CAS 89-65-6), also known as Isovitamin C and listed as E315 in the EU, is a stereoisomer of ascorbic acid used commercially as an antioxidant and acidulant in food, cosmetic, and pharmaceutical manufacturing.

Where is Erythorbic acid used?

• Meat processing: inhibits oxidative discoloration and extends shelf life in cured products
• Bacon, sausages, and deli meats: often alongside nitrites to accelerate color fixation
• Beverages: prevents oxidative off-flavors in fruit juices, soft drinks, and beer
• Personal care: stabilizes color-sensitive or oxidation-prone products including skin creams and hair dyes
• Pharmaceuticals: antioxidant excipient protecting active ingredients in oral and topical preparations

Good to know: Unlike ascorbic acid, it carries no vitamin C activity, making it a cost-effective choice where antioxidant function alone is required.

Commercial specifications

• Food-grade material conforming to FCC and E315 specifications
• Typically offered in 25 kg bags, with bulk packaging for industrial volumes