What processes typically occur during fermentation to prepare hard cider?

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Fermentation of apple cider is the process by which yeast converts the apple sugars into ethyl alcohol and carbon dioxide. It occurs in two steps. First, yeast converts the sugar to alcohol and then bacteria of lactic acid convert the natural malic acid into carbon dioxide. This hard cider contains 2-3% solids and 2-8% alcohol. Fermentation occurs in presence of these components such as sulfur dioxide, yeast, sugar, and natural acids. Sulfur dioxide is typically added to the freshly pressed juice before fermentation is allowed to begin. It also has the effect of killing most of the bacteria and yeasts present in the freshly squeezed juice.

queen_honey_blossom answered 1 year ago

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