참당귀의 과실성분 I Imperatorin 의 분리에 대하여

Components of the Fruits of Angelica gigas $N_{AKAI}$ I Occurence of Imperatorin in the Fruits of Angelica gigas $N_{AKAI}$

Ether extract of the fruits of Angelica gigas NAKAI(Umbelliferae) growing wild and cultivating in Korea, afforded frocoumarin derivative, imperatorin which was identified through physical constants-I.R.spectrum, paper partition chromatography, and preparation of derivatives.