薬用資源の研究 (第5報)
みやこぐさ,やはずそう並びにほうのき,いちび葉の成分に就いて
1956 年 76 巻 3 号 p. 347-349
詳細
1956 年 76 巻 3 号 p. 347-349
A substance corresponding to lespedin (kaempferol-3, 7-bis-rhamoside) was obtained as pale yellow needles, m. p. 181-182°, in 0.6% yield from the terrestrial portion of Lotus corniculatus L. var, japonicus Regel. Pale yellow microneedles, m. p. 236-238°, were obtained in 0.15% yield from Microlespedeza striata Makino and was found to be luteolln-7-glucoslde. Rutin was obtained in 0.2% and 0.1% respective yield from the leaves of Magnolia obovata Thunb. and of Abutilon avicennae Gaertn.
