persimmon tannin

persimmon tannin (per·siˑ·mn taˑ·nin),

n condensed tannin derived from persimmon that in concentration-dependent doses, binds and eliminates free-radicals.
References in periodicals archive ?
During the drying process, the water-soluble persimmon tannin forms a cross-link by condensation reaction between its hydroxyl groups, thereby, making it water insoluble and diminishing the astringent taste (Parajuli et al.