Monday, 7 January 2008

It's All In The Nose

Wine is “tasted” principally by smell. Humans have only a few hundred stimuli for taste, but can distinguish thousands of different smells. Wine aromas, however, are not the same for everyone and quite possibly as unique to each individual as a fingerprint.

Clues to understanding why we all perceive wines differently were unveiled by an American scientist, Dr Charles Wysocki, of the Monell Chemical Senses Centre in Philadelphia, an organisation devoted to taste and smell.

Dr Wysocki explained that specific anosmia – the inability to smell something readily detected by others – is a condition that affects almost everyone. Although the scent of musk may be a pungent aroma for many, 43% of people cannot detect it at all.

Other wine-related aromas which commonly cannot be detected include bananas, pears, sandalwood, and sweet, floral scents. Dr Wysocki also demonstrated, using an audience of wine professionals from around the world that putting the same aroma in differently labelled bottles produced radically different perceptions.

If a pungent, mouldy cheese-like aroma was labelled 'food', the audience tended to rate it as pleasant. If it was labelled 'body', it was considered unattractive. The interpretation of a smell is also highly dependent on the context in which the smell was first experienced and its consequent associations.

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