| 摘要 |
PURPOSE:To collect a low-boiling essence component volatile in extraction process by a sure and simple means, to reduce operation man-hour, to eliminate drawback of liquid essence separation during preservation and to obtain the titled essence, by treating a Chinese herbal remedy by a specific plant method. CONSTITUTION:A crude drug or a Chinese herbal remedy, prescribed crude drug (e.g. powdered Cinnamon bark, Zingiberis rhizoma, Japanese angelica root, Cnidium, etc.) is extracted with a solvent for a given temperature (30-100 deg.C and 80-100 deg.C for 30-120min in the case of using water as a solvent) for a given period (3-150hr, preferably 3-48hr) under heating. In the heating extraction process, only initial distillate at least from a reaching period of a given temperature to a period after 1/10-1/3 the whole extraction hours elased is condensed. The extracted solution is concentrated to give soft essence of Chinese herbal remedy. The condensed solution of the initial distillate is collected in liquid cyclodextrin and the solution is blended with the soft essence to give soft essence of Chinese herbal remedy of long-period stabilization type. |
