KPA | Stabilizers for wine making

Stabilizing agents

KPA (potassium polyaspartate) is a polymer that contains aspartic acid, a natural acid found in wine in varying amounts. It functions as a stabilizer to prevent potassium bitartrate precipitation. Enartis’ KPA stabilizer (Zenith) has been shown to inhibit tartrate crystallization in white, red and rosé wines. KPA can be used for all protein- and colloid-stable wines before final filtration.


Solution of filterable sodium carboxymethyl cellulose (CMC), A-5D K/SD potassium polyasparate (KPA), gum Arabic and […]

  • Vegan

Zenith® Uno

Solution of A-5D K/SD potassium polyaspartate (KPA) and sulfur dioxide. Zenith® Uno is an effective, […]

  • Vegan

Zenith® Color

Solution of A-5D K/SD potassium polyaspartate (KPA), Gum Arabic Verek and sulfur dioxide. Zenith® Color […]

  • Vegan

Zenith® White

Solution of A-5D K/SD potassium polyasparate (KPA), filterable sodium carboxymethyl cellulose (CMC), Gum Arabic and [...]

  • Vegan


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