Patent ID: 9445605
Filing Date: 2016-09-20
CPC Classification: A01N,A61K,A61P,Y02A

Claim Text:
1. A method for inhibiting a non-enveloped virus in vitro, comprising contacting said virus with a composition comprising an effective amount of a tannin-containing extract from an astringent fruit of Diospyros kaki , wherein the non-enveloped virus is selected from the group consisting of Coxsackie virus B5, Adenovirus, Feline calicivirus and Rotavirus Wa strain, and wherein the extract is prepared by the following method: a) removing calyx from an astringent fruit of b) treating the NaClO-sterilized fruit of part (a) with Vitamin C and crushing the fruit, c) passing the crushed fruit through a 200 mesh sieve, centrifuging to obtain a juice, sterilizing the juice at a temperature from 120° C. to 130° C. for 7 to 10 seconds and d) freeze drying the sterilized liquid produced in step (c) to produce said