Method for preparing novel processed ginseng or an extract thereof, the usually minute ginsenoside content of which is increased

Abstract

A method for preparing a processed ginseng or a processed ginseng extract having increased contents of ginsenosides Rg3 and Rh2 by (a) inoculating anstrain into a medium composed of ginseng and wheat bran; (b) culturing the strain of step (a); (c) purifying the cultured material of step (b) by ultrafiltration; (d) separating an enzyme from the purified material of step (c); (e) adding the enzyme of step (d) to ginseng or red ginseng; (f) fermenting the ginseng or red ginseng of step (e); (g) separating the fermented material of step (f) to obtain a supernatant; (h) concentrating the supernatant of step (g); (i) reacting the concentrate of step (h) with organic acid; and (j) neutralizing, filtering, purifying, concentrating and drying the reaction product of step (i).