著者

渡辺 武 後藤 実

出版者

日本生薬学会

雑誌

生薬学雑誌 (ISSN:00374377)

巻号頁・発行日

vol.6, no.1, pp.35-37, 1953-01-01

---

The quantitative determination of essential oil and cinnamic adlehyde was caried out on the leaves, bark of trunks, bark of branches, bark of roots of the Cinnamomum Loureirii Nees (Lauraceae) collected in Wakayama and Kagosima prefecture in Japan, and on the Cassia barks collected abroad (and brought to the market in Japan.) The determination was effected acordig to the method provided in J. P. V. with scant material a satisfactory result was obtained by the use of the essential oil extracting apparatus devided by the present authors or micro cassia flask. The quantity of essential oil and cinnamic aldehyde the collection. But as far as the bark of roots is concerned, the quantity compares favoures favourably with that of the Cinnamornum Cassia Blume, if the bark is fresh or stored in good condition. The refore, the bark of roots of the Cinnamoum Ioureirii Nees collected in Japan is valuable as vegetable drug.