Name the type of chemical compound which shrinks body tissues, whose properties are associated with the puckering mouth sensation from tannins and bitter berries?
Astringent Astringent An astringent (sometimes called adstringent) is a chemical that shrinks or constricts body tissues. The word derives from the Latin "adstringere", which means "to bind fast". Calamine lotion, witch hazel, and yerba mansa, a Californian plant, are astringents. Astringency, the dry, puckering mouthfeel caused by the tannins in unripe fruits, lets the fruit mature by deterring eating. Ripe fruits and fruit parts including blackthorn (sloe berries), "Aronia" chokeberry, chokecherry, bird cherry, quince and persimmon fruits, and banana skins are very astringent; citrus fruits, like lemons, are somewhat astringent. Tannins, being a kind of polyphenol, bind salivary proteins and make
Bitter in the Mouth his poetry and life are mentioned several times in the novel. Bitter in the Mouth Bitter in the Mouth is a 2010 novel by Vietnamese-American author Monique Truong. The novel is written in a stream of consciousness narrative structure and follows the character of Linda Hammerick as she comes of age. Linda remembers her childhood in Boiling Springs, North Carolina, in the 1970s and her relationships that follow, through college and beyond. Her present mingles with her past as she learns of her heritage and deals with death, sexual abuse, cancer, and family issues. Throughout all of these experiences, Linda