Potato Protein (Beer/Wine Fining) — Hidden Processing Agent — Is It Vegan?

Vegan status: Vegan

Also known as: Solanic (Avebe brand), Potato protein isolate

Source

Isolated from potato starch manufacturing waste water (potato fruit water). Entirely plant-derived.

Used in

Beer foam stabilisation (excellent foam-positive protein), wine fining, some food applications.

Appears on label: No. Not required on beer or wine labels.

How to avoid

No need to avoid — potato protein is vegan.

Notes

Solanic potato protein (produced by Avebe, Netherlands) has gained significant traction in the brewing industry as a vegan-friendly head retention agent and fining protein. Several major breweries including Heineken have trialled potato protein fining as a complete replacement for isinglass. The protein is a byproduct of the potato starch industry.