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Hangover is still not clearly understood but one dominant factor is dehydration due to over-consumption of alcohol resulting in, most commoly, headache and nausea. There are other symptoms of hangover that will be difficult to distinguish from most forms of over-consumtion of alcohol and other symptoms of allergic reactions and other over sensitivities ...


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Yeast produce higher alcohol during fermentation as side product of metabolic pathway from certain amino acid i.e. Leucine, valine, serine etc. The fusel oil produced in fermented wash depends on the number of factors such as yeast strain used, nitrogen content and temperature. Fusel oil gives the pungent taste. It is less vita tile than the ethanol.


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