At the time, nobody believed that yeast were alive; they were seen as just organic chemical agents required for fermentation. In the eighteenth and nineteenth centuries, chemists worked hard to ...

What is alcohol? Alcohol is formed by the fermentation of glucose by yeast. The alcohol content of the drink is determined by the length of this process and the amount of yeast. Wines can be made by ...

The separation of yeast from wine or beer, during the fermentation of grape-juice, or oi worts, takes place in consequence of the absorption of oxygen", or in other words, is a process of ...

Optical density values were maintained around 80 and viability at 88% at 72 hours elapsed fermentation time. Culture broth pH was well maintained at 5.0. We cultured yeast in an aerobic ...