Astringency: nf Astringency is a property of certain substances to produce a tightness of the oral mucous membranes.
Some of the wine's tannins are harsh enough to dry out the mouth, characteristic of great Bordeaux wines, among others.
By way of example only, the raw chestnut brings this impression of astringency.
Astringency comes from the property of proteins to complex under the effect of tannins: this is the tanning of proteins.
Salivary amylase* is a protein that...
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