#astringency

• Astringency — The property or quality of a substance being astringent; a complex physiological phenomenon characterized by the sensation of dryness, roughness, and contraction of the mucous membranes, especially oral or cutaneous ones. In the sensory analysis of wines and foods, it represents the tactile, non-gustatory property derived from the precipitation of salivary proteins (specifically proline) by polyphenolic compounds.