Does heat affect fermentation?Heat or thermal energy definitely affects fermentation. Just as the sun brings life and motion to the inhabitants of the earth, heat is the energy that enables life forms to do things. In this particular case, it will affect beer-making microbes.

Legend has it that before 1842, all beers were Top Fermented. In the olden days, before the discovery of the existence of micro-organisms, brewers had to rely on natural sources of yeast. Top-fermenting yeast is a common yeast that became the cornerstone for the Top Fermentation definition.

What does bottom fermentation mean?Bottom fermentation refers to a fermentation method using bottom-fermenting yeast. Yeast is the kind that collects at the bottom of the fermentation vessel.This settling property allows the beer to be brewed even in summer. It enables people to enjoy beer in all se