What is E336?
E336 is Potassium Tartrates (Cream of Tartar) — potassium salts of tartaric acid from grape processing, used as a antioxidant to help stop fats and oils turning rancid and protect food colour and flavour.
What is E336 (Potassium Tartrates)?
E336 is the E-number for potassium tartrates, one of the antioxidants group of food additives (E300–E399). Additives in this group stop fats and oils turning rancid and protect food colour and flavour. Potassium salts of tartaric acid from grape processing. Like every E-number, E336 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E336 in detail below.
Where is E336 found?
E336 is typically used in oils, margarine, snacks, cured meats, soft drinks and processed foods. You'll find it listed in the ingredients either by its E-number (E336) or by its full name, potassium tartrates. Common foods that may contain E336 include:
- Oils
- Margarine
- Snacks
- Cured meats
- Soft drinks and processed foods
Full guide: foods containing E336 and how to spot it on labels →
E336 is often searched by its common name — see also: Is Cream Of Tartar safe?
Is E336 safe?
E336 is considered safe. It is authorised across the EU, UK and US, and safety evaluations by the European Food Safety Authority (EFSA) have not identified health concerns at the levels used in food. For most people there is no reason to avoid E336.
EFSA status: Authorised in the EU — no safety concern at current levels of use
Source: European Food Safety Authority
Is E336 vegan?
E336 is vegan. Potassium salts of tartaric acid from grape processing, with no animal involvement in standard production.
Full vegan status guide for E336 →Is E336 halal?
E336 is halal. Potassium salts of tartaric acid from grape processing, with no haram source involved.
Full halal status guide for E336 →Frequently Asked Questions
What is E336 in food?
E336 is Potassium Tartrates (Cream of Tartar) — potassium salts of tartaric acid from grape processing, used as a antioxidant to help stop fats and oils turning rancid and protect food colour and flavour.
Is E336 safe to eat?
Yes. E336 is authorised in the EU, UK and US, and EFSA evaluations found no health concern at normal food levels.
Is E336 vegan?
E336 is vegan. Potassium salts of tartaric acid from grape processing, with no animal involvement in standard production.
Is E336 halal?
E336 is halal. Potassium salts of tartaric acid from grape processing, with no haram source involved.
Also check: is this ingredient safe for cats? · safe for dogs? · check the calorie content of foods containing this
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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).