Industrial mfr. of red wine - by heating part of the grapes and macerating them with fresh grapes

摘要

The process is effected by dividing the fresh grapes into two fractions. One fraction goes through a treatment line comprising a press, stalk removing equipment, drainer and a heater where it is brught to 70 degrees C, the optimum fermentation temp. The prod. goes to a cooler, where it is cooled to 30 degrees C, and is then sent to the wine-making tank where it rejoins the other fraction of the fresh grapes. This tank is a portion of a continuous wine-making plant of a known type but other conventional tanks can be used. The quality of the red wine produced, as compared with that from the continuous wine-making process, shows an appreciable improvement, partic. in colour.