What is E456?
Potassium polyaspartate (E456) is a processing and stabilising additive used in specified wine applications. Goodnessly rates E456 Safe, while food-category permissions and regulator conditions still apply.
A processing and stabilising additive used in specified wine applications. Check the food category, amount and full formulation rather than judging one ingredient in isolation.
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Read the FAQ →
What is Potassium polyaspartate?
Potassium polyaspartate is a processing and stabilising additive used in specified wine applications. Its function depends on the formulation and the conditions attached to the permitted use.
What's it used for?
- Supporting stability in permitted wine formulations
- Helping manage unwanted deposits in the permitted application
- Supporting a consistent finished product
- Working at the maximum level and conditions that apply
Where you'll find E456 on the shelf
You may see E456 in packaged foods where its technical function is useful and the food category permits it.
Is E456 permitted? What the regulators say
Potassium polyaspartate is listed or permitted in the checked AU/NZ, EU and US frameworks with conditions. Permission is conditional: category, level, identity and specifications matter.
| Region | Status | What this means |
|---|---|---|
| AU/NZ Australia & New Zealand (FSANZ) | Permitted with conditions | FSANZ approved potassium polyaspartate for wine, sparkling wine and fortified wine at a maximum permitted level of 100 mg/L under the relevant Food Standards Code provisions. [FSANZ source] |
| EU European Union (EUR-Lex) | Authorised with conditions | The consolidated Union list includes the additive for specified categories and conditions. [EUR-Lex source] |
| US United States (FDA) | Permitted with conditions | FDA GRAS Notice 770 provides a US “no questions” response for potassium polyaspartate for the uses described in that notice; the notice’s conditions and intended use remain important. [FDA source] |
Goodnessly rates E456 Safe within its rating system. The rating does not remove the need to consider the product category, amount or full formulation.
- FSANZ’s A1161 approval report records a maximum permitted level of 100 mg/L for wine, sparkling wine and fortified wine.
- The current sources checked for this draft do not state a new numerical ADI for this specific additive.
- Regulatory permissions can change; confirm the primary source when a product or use is unusual.
This section is checked periodically rather than continuously — confirm the current primary source before relying on a regulatory detail.
Who might want to limit or avoid it
- People comparing additive functions across products
- People checking the frequency of this ingredient in their usual foods
- People who want to consider the whole formulation and serving pattern
Goodnessly rates E456 Safe as a practical prompt to understand the ingredient, the product and the overall formulation.
How to spot it on a label
Look for:
- Potassium polyaspartate
- 456
- E456
- Additive class (456)
Ingredient labels may use the name, the number, or the additive class followed by the number.
Related additives
Frequently asked questions
What is E456?
E456 is Potassium polyaspartate, a processing and stabilising additive used in specified wine applications.
Is E456 permitted?
E456 is listed or permitted with conditions in Australia/New Zealand, the EU and the US sources checked for this draft.
What should I know about Potassium polyaspartate?
No numerical ADI for this specific additive was stated in the current primary sources checked for this draft.
How does Goodnessly rate E456?
Goodnessly rates E456 (Potassium polyaspartate) as Safe within its rating system.
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