tannins


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Related to tannins: tannic acid

tannins,

n.pl polyphenolic phytochemicals whose name derives from their use in tanning animal skins. Used as astringents, antioxidants, and styptics; treats burns, relieves diarrhea.

tannins

secondary plant metabolites, probably important in anti-herbivore defense; divisible into the common condensed tannins, and less common and more toxic hydrolyzable tannins, e.g. gallotannins in oak trees, punicalagin in Terminalia oblongata, capable of damaging the kidneys; condensed tannins bind to protein, interfere with the availability of proteins from feeds, and are pooly absorbed from the gut.
References in periodicals archive ?
There are many different ways to process acorns, but all result in a diminished tannin level and a more digestible food.
This will be a great combination with the tannin structure of the wine.
The solution without tannins was evaporated, and dried in a stove (100 [degrees]C) to obtain a constant weight.
This bright, fruity wine has hints of candied cherries, spicy cinnamon and nutmeg with a moderate oak and tannin structure.
Still very young, this had beautiful savoury bramble fruit, spice and black pepper, followed by soft tannins, alcohol and heat on the finish.
Tannins were extracted from willows in ethanol (50 % v/v) at 95[degrees]C, and assayed by the method of Folin-Dennis (Martin and Martin 1982).
It seems that African ruminants may cope with browse due to proteins in their saliva which bind to the tannins, reducing their troublesome effects in the rumen.
She collected these plants, had them tested by the National Cancer Institute and concluded that at least three plants implicated contained tannin.
Aged two years in (old) wood and bottled unfiltered; Vintage Port usually demands at least 10-15 years of bottle age to soften its powerful tannins and permit the robust fruit elements to marry and harmonize.
Nevertheless, it delivers full blackcurrant, chocolate and cherry flavours embellished with a well judged twist of tannin and is an absolute snip at a fiver.
Recently there are numerous reports that have shown the reduction of enteric methane due to inclusion of tannin rich browses because the tannins have anti-methanogenic activity, either by direct inhibition of methanogens or indirectly through inhibition of protozoa (Animut et al.