Astringent (taste)

Astringent is a taste that puckers the mouth, numbs the tongue, and constricts the throat. This taste is caused by astringents such as tannins.[1][2] Unlike other tastes astringency is not perceived via taste receptors but is a tactile sensation caused by the aggregation of saliva proteins.[3][4]

Not to be confused with Astringent.

The astringent taste is in unripened bananas, unripe persimmons and cashew fruits; and acorns[5] dominantly, which prevents them from being eaten.

Squirrels, wild boars, and insects can eat astringent food as their tongues are able to handle the taste.[5]

In Ayurveda, astringent is the sixth taste (after sweet, sour, salty, pungent, bitter) represented by "air and earth".[6][7]

Smoking may also cause astringent taste.[8]

References
  1. Ray, P. K. (2002). Breeding Tropical and Subtropical Fruits. Springer Science & Business Media. ISBN 9783540428558. Retrieved 2018-12-08.
  2. Joslyn, Maynard (2012-12-02). Methods in Food Analysis: Applied to Plant Products. Elsevier. ISBN 9780323146814.
  3. Breslin, P.A.S.; Gilmore, M.M.; Beauchamp, G.K.; Green, B.G. (1993). "Psychophysical evidence that oral astringency is a tactile sensation". Chemical Senses. 18 (4): 405–417. doi:10.1093/chemse/18.4.405.
  4. Bertsch, Pascal; Bergfreund, Jotam; Windhab, Erich J.; Fischer, Peter (August 2021). "Physiological fluid interfaces: Functional microenvironments, drug delivery targets, and first line of defense". Acta Biomaterialia. 130: 32–53. doi:10.1016/j.actbio.2021.05.051.
  5. Choi, Nak-Eon; Han, Jung H. (2014-12-03). How Flavor Works: The Science of Taste and Aroma. John Wiley & Sons. ISBN 9781118865453.
  6. Desai, Urmila (1990). The Ayurvedic Cookbook: A Personalized Guide to Good Nutrition and Health. Lotus Press. ISBN 9780914955061.
  7. Lad, Vasant (2002). Textbook of Ayurveda. Ayurvedic Press. ISBN 9781883725075.
  8. Allen, Timothy Field (1877). The Encyclopedia of Pure Materia Medica: A Record of the Positive Effects of Drugs Upon the Healthy Human Organism. Boericke & Tafel.
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