| abstract |
The present invention relates to a preparation method of ginseng and red ginseng concentrates that have an amount of compound K increased by fermenting ginseng saponin among the extract of ginseng, red ginseng, or root hair of ginseng using pectinex. More particularly, the present invention relates to a preparation method of ginseng and red ginseng concentrates containing the increased amount of compound K, comprising the steps of: a) preparing extract by adding water or 60 to 70% alcohol to ginseng, red-ginseng or root hair of ginseng; b) cooling, filtering and concentrating the extract; c) converting ginseng saponin into compound K by reacting the concentrates with pectinex enzyme; d) inactivating the pectinex enzyme; and e) concentrating under reduced pressure the concentrates. |