“I, Radhakrishnan K.R, am associated with liquor manufacturing distillery as a chemist since last 30yrs. From my experience in the field, I would like to share a few words regarding the same:- All spirits go through three procedures: Fermentation, Distillation and Finishing. Fermentation is where alcohol is created. (We Introduce sugar to liquid and yeast.Overtime the yeast processes sugar into alcohol.) In most, not all alcohols, grains are used as the sugar source. In their raw form, they are offered as starches, but after the boiling process, and addition of malt and certain enzymes, the starches are converted into sugar, which is then processed by the yeast, resulting in number of chemicals including ethanol alcohol
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Distillation is where alcohol is separated and removed. Distillation is a process of separating the components or substances from liquid mixture by using selective boiling and condensation. Distillation may result in essentially complete separation (nearly pure components), or it may be partial separation that increases concentration of selected components in the mixture. Finishing is the final process before bottling This process has a few different steps and the type of alcohol required will determine the steps used. It includes: Filtering, Flavoring, Oaking/Aging, etc.”