Simulation · Biology · Class 12

From yeast to drink: ferment, then distil or not

From the lesson Fermented beverages in Microbes in Human Welfare. Change the values and watch what happens.

The idea behind it

NCERT §8.2, §8.2.1

Industrial production needs microbes grown in very large vessels called fermentors.
Yeasts have been used since ancient times to make wine, beer, whisky, brandy and rum.
The yeast used is Saccharomyces cerevisiae, the same species used in bread-making; in brewing it is called brewer's yeast.
It ferments malted cereals and fruit juices, producing ethanol.
The kind of drink depends on the raw material fermented and on whether the fermented broth is distilled.
Wine and beer are made without distillation. Whisky, brandy and rum are made by distilling the fermented broth.

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