Which Wines Use Isinglass?

Isinglass. Isinglass is a form of gelatin derived from fish bladders. It is primarily used to clear white wines. Gelatin and isinglass both need to be used sparingly to prevent residual traces remaining in the wine due to their potency.

Is isinglass still used in wine?

But potentially even more troublesome are ingredients like isinglass, made from fish bladders, and egg whites—both of which are used to help clarify wine, and both of which can quietly keep a wine from being vegetarian- and vegan-friendly. ... It's routinely used in white and sparkling wines.

Is isinglass used in red wine?

An effective fining agent used today is isinglass – something you may think of as “fish guts”. ... Over-use of gelatin fining could result in color loss in red wine and protein instability. Bentonite is probably the most commonly used fining agent for the clarification and protein stabilization of wine.