セリ科植物の生薬学的研究 第9報

当帰の研究 (9) 大和当帰と北海当帰の成分

抄録

In order to find reasons for differences in quality and pharmaceutical effect of two similar crude drugs, Yamato-toki (I), the root of Angelica acutiloba, and Hokkai-toki (II), that of A. acutiloba var. Sugiyamae, studies were made on their components. Both contained sugars like glucose, fructose, sucrose, and starch, and saponification of a high-boiling fraction of the essential oil afforded a substance considered to be valerophenone-o-carboxylic acid as its derivative. Presence of safrol was not detected in the medium-boiling fraction. The unsaponifiable matter from ether extracts of both afforded β-sitosterol. The largest difference between the components of the two drugs is the larger amount of extract obtained from (I) by various solvents, with greater amount of sucrose, and a low-boiling fraction of the essential oil containing p-cymene as the main component.