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Picroside I : A bitter principle of picrorhiza kurrooa

✍ Scribed by Isao Kitagawa; Katsuhiko Hino; Tadashi Nishimura; Etsuko Mukai; Itiro Yosioka; Hiroyuki Inouye; Takashi Yoshida


Publisher
Elsevier Science
Year
1969
Tongue
French
Weight
246 KB
Volume
10
Category
Article
ISSN
0040-4039

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✦ Synopsis


From the rhizome and roots of Picrorhiza kurrooa Royle(huhuengliau:#j~&)(Scrophulariaceae), which grows in Himalayan area and is wed as a folk-medicine in India and China, Raetogi et al. isolated') a bitter principle kutkin(=6-cinnzmoyl+3-D-glucozidyl vanillate) in addition to zauuitol 2) and vanillic acid, while Yeh reported the isolation of picrorhizin(=glucosido-vanilloyl glucose),


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A new bitter principle of isodon japonic
✍ Takashi Kubota; Isao Kubo πŸ“‚ Article πŸ“… 1967 πŸ› Elsevier Science 🌐 French βš– 173 KB

Recently six compounds were isolated from Isodon japonicus Ham (Lablatae) and their structural elucidations were made by Fujita and his collaborators (l-3). From the same plont we have isolated a new bitter compound, provlslomlly naned isodonal, of which structural elucidation will be stated here.