CONDENSED TANNIN* INACTIVATION OF MICROORGANISMMORIGINATED TOXIC SUBSTANCE* AND ATTENUATION OF VACCINES USING CONDENSED TANNIN

摘要

PURPOSE:To inactivate the toxic substances produced by microorganisms, and to attenuate the vaccine without loss of the antigenicity, by adding condensed tannin composed of gallochatechin and catechin, obtained by the purification of persimmon tannin.