Antioxidant - Commercially produced from sucrose by fermentation with Penicillium sp.

E317 — Erythorbic Acid

Antioxidant

Also known as: Erythorbic Acid

Verification required

Verify — Mushbooh

Source-dependent and requires verification. This additive may be derived from either halal (plant/synthetic) or haraam (animal) sources. Always check the product label or contact the manufacturer to verify the source.

Function Antioxidant
Found in some processed foods
Source synthetic or fermentation

Checking this in a shop right now?

Vegan / vegetarian label on pack → plant-based source → safe for this code

HFA / HMC / IFANCA / JAKIM logo → independently certified → safe

Neither? Follow the steps below.

School of Thought Breakdown

Hanafi

Verify source

Maliki

May permit

Shafi'i

Avoid if animal

Hanbali

Avoid if animal

Mushbooh - the database notes some uncertainty. Synthetic versions are halal; fermentation versions require halal substrate verification.

What to do with this product

Follow these steps in order — most products resolve at step 1 or 2

1

Check for a "suitable for vegans" or "suitable for vegetarians" claim

If present, E317 comes from a plant-based source — safe for this code. Still check all other ingredients too.

Vegan / vegetarian claim = plant-sourced = safe
2

Look for a halal certification logo on the pack

An HFA, HMC, IFANCA, JAKIM, or ESMA logo means the source has been independently audited. The E-code is confirmed halal in this product.

Certified logo = independently verified

Neither? Here's what to do next:

📍 In store

Put it back and look for a certified alternative on the same shelf.

Check for products carrying an HFA, HMC, or IFANCA logo, or labelled "suitable for vegans". Either confirms a safe source.

Did you find a certified alternative?

🌐 Shopping online

Verified halal alternatives:

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Background & Details

About E317

Halal

Verification Required

This additive's halal status depends on its source. Check the product label for a halal certification mark, or contact the manufacturer directly.

What is E317 made from?

  • synthetic or fermentation

Foods that commonly contain E317

some processed foods

Always check the ingredient label on the specific product - manufacturers may change formulations.

Frequently Asked Questions

Is E317 (Erythorbic Acid/Iso-ascorbic Acid) halal?

E317 (Erythorbic Acid/Iso-ascorbic Acid) is classified as Mushbooh (Questionable). Source-dependent and requires verification. This additive may be derived from either halal (plant/synthetic) or haraam (animal) sources. Always check the product label or contact the manufacturer to verify the source.

What is E317 used for?

E317 is used as a antioxidant in food products.

What foods contain E317?

E317 (Erythorbic Acid/Iso-ascorbic Acid) is commonly found in: some processed foods.

What is E317 made from?

E317 can be derived from the following sources: synthetic or fermentation.

What are the other names for E317?

E317 may appear on food labels as: Erythorbic Acid.

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This information is for educational purposes only. For religious rulings, consult a qualified Islamic scholar or halal certification authority. E-code classifications may vary by source, manufacturing process, and school of thought.