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Put your five senses at work
to make you a better taster 

My job has been for years to train people to use their five senses in order to analyze their perceptions when tasting a food product or a beverage, including wine! That's what sensory scientists do!

These trainees (or panelists in our jargon) did not have exceptional sensory skills, they mostly had an interest in wine and the desire to learn how to perceive better all the flavors that create the complexity of an enjoyable wine. Let me share this experience with you.


Our five senses help deliver a holistic wine experience

Wine is made of 70% to 90% of water, 10 to 20% of alcohol, and the rest is made of various nutrients and compounds imparting color, aroma, taste and body. The main senses involved in wine tasting are vision, olfaction, gustation and perceptions through the trigeminal nerve that conveys sensations of heat/cold and pain.

What about audition? This sense is quite important in the experience of drinking wine, not so much its analytical tasting. The sound of a popping cork or the fizz of a sparkling wine are always pleasing to the ear.


How do senses work?

This is basically a chain reaction:

1- A sensation is created by a stimulus (a color, an aroma, a taste, the sun light) and is received by specific receptors located in specialized organ structures (e.g. eye receptors).

2- Sensory receptors are cells translating the stimulus into an electric signal (Transduction) and is conducted to specific regions in the brain.

3- The signal is decoded by structures in the brain (Processing) and may remain unnoticed by the taster if the stimulation is not strong enough. It is then part of the environmental noise. If the decoded signal is noticed then the taster compares subconsciously the perception with the ones encoded in his/her memory to be able to react to the stimulation.

These events happen quickly, fast enough so that you can react quickly; for example, if you placed your hand accidentally on a hot plate, you remove it quickly (Action) and don't get burned!


What are the five senses?

Human senses are grouped in two categories: the physical senses and the chemical senses. 

  • The physical senses perceive stimuli that are physical in nature: Audition is the sense that receives the sound waves conducted through the inner ear and
    Vision reacts to light waves received through specialized cells in the eye retina
  • Chemical senses respond to stimuli that are actual chemical compounds:
    Olfaction is enabled by chemical compounds that can volatilize in the air and perceived by the olfactory receptors located up in the nostrils and
    Gustation is associated with non volatile compounds, soluble in saliva, and received by gustatory receptors located on the tongue and the oral cavity.

3 important senses in wine tasting

Follow the links to learn more

Vision

Olfaction

Gustation


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