similar to a sour or bitter taste (creating a dry, puckering feel in the mouth)
The apple wasn’t ripe, so it had a drying, puckering, or astringent taste.
In the upper region they live chiefly on the acid and astringent berries of the guayavita...
Charles Darwin -- The Voyage of the Beagle
Liquid splatters my skin, and the astringent smell of alcohol makes my nostrils flare.
Lauren Oliver -- Delirium
Mayonnaise, for example, is supposed to be evaluated along six dimensions of appearance (color, color intensity, chroma, shine, lumpiness, and bubbles), ten dimensions of texture (adhesiveness to lips, firmness, denseness, and so on), and fourteen dimensions of flavor, split among three subgroups—aromatics (eggy, mustardy, and so forth); basic tastes (salty, sour, and sweet); and chemical-feeling factors (burn, pungent, astringent).