Kosher, except for Pesach
Description: Erythorbic acid (antioxidant)
Function: antioxidant
Rationale:
STAR-K explicitly notes erythorbic acid can be derived from kitniyos, a Passover-specific concern.
If you don't see a status above, it does not mean the additive is not kosher automatically - it might just not be documented in our database yet.