Congeners are an important concept to understand if you love Scotch whisky because they significantly influence the flavour, aroma and overall character of the whisky. Vic Cameron, one of our expert teachers, says: “Congeners are chemical compounds that can either provide a taste or provide an aroma, so they combine together and provide flavour. The congeners that are created all the way through the process – like during fermentation and distillation – are actually what gives your whisky the flavour. Ethanol itself has no flavour, no taste.”

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