Tannins containing Plants & their Medicinal Applications:

black-tea-tannins

  • Tannins (commonly referred to as tannic acid) are water-soluble polyphenols that are present in many plant foods.
  • They have been reported to be responsible for decreases in feed intake, growth rate, feed efficiency, net metabolizable energy, and protein digestibility in experimental animals.
  • Therefore, foods rich in tannins are considered to be of low nutritional value. However, recent findings indicate that the major effect of tannins was not due to their inhibition on food consumption or digestion but rather the decreased efficiency in converting the absorbed nutrients to new body substances.
Herb (Botanical Name/Pinyin) Taste, Nature  

Applications

 

Acacia catechu gall bitter, astringent Neutral cough, red and white dysentery; topically for skin ulceration
Cedrela sinensis root bark 

(ercha)[catechugall],(chungenbaipi)

bitter,astringent Hematochezia, morbid leucorrhea, functional bleeding
Punica granatum rind(shiliupi)

[pomegranate]

astringent chronic diarrhea and dysentery, hematochezia, rectal prolapse, morbid leucorrhea
Quercus acutissima fruit
(xiangshi)
[acorn]
astringent mildly warm diarrhea, rectal prolapse, hemorrhoidal bleeding
Quercus infectoria gall
(moshizi)
[oak gallnut]
bitter, Hyperhidrosis, oral ulceration, leucorrhea, topically for skin lesions
Rhus semialata gall
(wubeizi)
[sumac gallnut]
sour, salty Cold cough, rectal prolapse, spontaneous sweating, night sweating, epistasis
Rosa laevigata fruit
(jinyingzi)
[rosehips]
sour, astringent Neutral enuresis, frequent urination, morbid leucorrhea, persistent diarrhea
Terminalia chebula fruit
(hezi)
[chebulic myrobalan]
bitter, sour Neutral chronic diarrhea and dysentery, rectal prolapse, aphonia due to longstanding cough, night sweating
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