A method of extraction, isolation and purification of isoflavone from soy bean using supercritical/subcritical state

摘要

The present invention relates to a method for extracting, isolating and purifying isoflavones from soybeans using supercritical / subcritical water. The optimum conditions of the supercritical / subcritical water system are the temperature of 523.15K (250 ° C.), pressure 200 bar, And preparative time is characterized in that 2 hours 30 minutes.;The method for extracting, isolating and purifying isoflavones from soybean using supercritical / subcritical water of the present invention greatly improves productivity due to the simple process and excellent yield.