CheckVegan
Open Vegan Ingredient Database

Is Erythorbic Acid vegan?

Erythorbic Acid

Vegan Vegan
Vegetarian Vegetarian

Erythorbic acid is a stereoisomer of ascorbic acid used as an antioxidant in food processing. Despite being named similarly to ascorbic acid, it is commercially produced by microbial fermentation of sucrose or glucose, not extracted from plant sources.

Also known as 2,3-Didehydro-D-erythro-hexono-1,4-lactone, D-Araboascorbic acid, D-erythro-hex-2-enonic acid, gamma-lactone, D-Isoascorbic acid, Isoascorbic acid
INCI name Erythorbic Acid
E number E315
INS number 315
CAS number 89-65-6
EC number 201-928-0
CosIng ID 33791
Last verified 16 April 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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