Vin Mousseux

Sparkling wine, made either by SECONDARY FERMENTATION in bottle or in tank, or for inexpensive wines, the addition of carbon dioxide.

By weight, a grape berry is about 75% pulp.

Answer: True.

A grape berry is made up of 75% pulp, 20% skin, and 5% seeds (there are usually two to five of them). Pulp is the soft, juicy center of the grape, and is what will become the wine. It’s the sugar in the pulp that is crucial to winemaking, since it’s the sugar that will be converted to alcohol.

Isinglass

A gelatinous material, obtained from—get ready—the air bladders of sturgeon and other fish. Isinglass is sometimes used in fining wine to clarify and/or soften the texture of wine. Happily enough, it’s removed before bottling.

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