Herbal Gallnut Extract 40% 98% Tannin Acid For Food/industry .
The gall on the leaf of Rhus chinensis Mill. (Chinese sumac), Rhus potaninii Maxim. (potanin sumac) or Rhus punjabensis var. sinica (Diels) Rehd. et Wils. (red punjab sumac), a deciduous dungarunga of the family Anacardiaceae, which is mainly formed by the parasitism of an insect called the "gall aphid". A typical gall is.Live Chat