Antioxidant / acidity regulator
Is E317 (Erythorbic Acid/Iso-ascorbic Acid) halal?
E317 (Erythorbic Acid / Iso-ascorbic Acid) has a doubtful status — its source can vary, so verify before consuming.
E317 (Erythorbic Acid / Iso-ascorbic Acid) has a doubtful status — its source can vary, so verify before consuming.
Source
E317 (Erythorbic Acid / Iso-ascorbic Acid) has a doubtful status — its source can vary, so verify before consuming.
Classification as published in the Halal Authority India food ingredient numbers reference, the additive table used by halal certifiers across South Asia. Cross-checked against the IFANCA Halal Shopper's Guide.
Quick facts
| E-number | E317 |
|---|---|
| Name | Erythorbic Acid/Iso-ascorbic Acid |
| Additive class | Antioxidant / acidity regulator |
| Classification | Source-dependent |
| Last verified | 2026-08-21 |
Common questions
Is E317 (Erythorbic Acid/Iso-ascorbic Acid) halal?
Erythorbic Acid/Iso-ascorbic Acid is classified as Source-dependent. E317 (Erythorbic Acid / Iso-ascorbic Acid) has a doubtful status — its source can vary, so verify before consuming.
Is Erythorbic Acid/Iso-ascorbic Acid halal or haram?
On the evidence cited on this page, Erythorbic Acid/Iso-ascorbic Acid is source-dependent. Doubtful until the source is known (mashbooh) Every position is attributed to a named certifier or scholarly body with a link, so you can verify it directly.
Why isn't there a single yes/no answer for E317?
Because the ruling depends on information the label does not carry — the source material, the production route, or which scholarly position you follow. This page shows each named position with a link so you can check it yourself.
Where does this page's information come from?
Every position on this page is attributed to a named certifier or scholarly body with a direct link, listed under 'What the sources say'. Muttoo aggregates and cites; it does not issue rulings.
Related lookups
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- Calcium TartrateSource-dependent
- E300 L-Ascorbic Acid (Vitamin C)Halal
Record enumber-e317-erythorbic-acid-iso-ascorbic-acid · last verified 2026-08-21 · report an error