sensitivity and sensory thresholds
Before we can sense an aroma, flavor or taste, it must be present in sufficient concentration. This concentration is called the sensory threshold. If the concentration is below the sensory threshold, the aroma, flavor or taste is undetectable.
The sensory threshold varies considerably from person to person, making wine appreciation a personal and highly subjective experience.
To make matters even more complicated, each of us has a unique threshold for each of the thousands of aromas and flavors as well as for each of the four tastes. An individual's complete set of thresholds is unique, and can be likened to a fingerprint.
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