fermentation
131Top fermentation — An alcoholic fermentation during which the yeast cells are carried to the top of the fermenting liquid. It proceeds with some violence and requires a temperature of 14 30[deg] C. (58 86[deg] F.). It is used in the production of ale, porter, etc …
132Lees (fermentation) — Lees refers to deposits of dead yeast or residual yeast and other particles that precipitate, or are carried by the action of fining , to the bottom of a vat of wine after fermentation and aging. The yeast deposits in beer brewing are known as… …
