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6-hydroxykaempferol and its glycosides from Carthamus tinctorius petals
Abstract From the dried petals of Carthamus tinctorius , five flavonoids, 6-hydroxykaempferol, 6-hydroxykaempferol 3-glucoside, 6-hydroxykaempferol 3,6-diglucoside, 6-hydroxykaempferolExpand
Metabolism of strychnine N-oxide and brucine N-oxide by human intestinal bacteria.
Anaerobic incubation of strychnine N-oxide with human intestinal bacteria resulted in its transformation to strychnine and 16-hydroxystrychnine. Similarly, brucine N-oxide was transformed to brucineExpand
Prenylated xanthones from Cudrania cochinchinensis
Abstract In the course of our studies on the bark of Cudrania cochinchinensis , we isolated four new prenylated xanthones, named gerontoxanthones E, G, H and I, along with the known xanthone,Expand
Formation of nitrogen-containing metabolites from geniposide and gardenoside by human intestinal bacteria.
During the course of our studies on the metabolism of iridoid glycosides by human intestinal bacteria, we found that geniposide (1) and gardenoside (4) were transformed to new nitrogen-containingExpand
Studies on the constituents of Clematis species. VII. Triterpenoid saponins from the roots of Clematis terniflora DC. var. robusta Tamura.
From the roots of Clematis terniflora, nine new oleanolic acid 3,28-O-bisdesmosides called clematernosides A, B, E, F, G, H, I, J and K, and two new hederagenin 3,28-O-bisdesmosides calledExpand
Studies on the constituents of Clematis species. VIII. Triterpenoid saponins from the aerial part of Clematis tibetana KUNTZ.
From the aerial part of Clematis tibetana, two new hederagenin 3,28-O-bisdesmosides called clematibetosides A and C, and a new gypsogenin 3,28-O-bisdesmoside called clematibetoside B, have beenExpand
Studies on nepalese crude drugs. XXVIII. Chemical constituents of Bhote Khair, the underground parts of Eskemukerjea megacarpum HARA.
From the underground parts of Eskemukerjea megacarpum HARA, two new stilbenes (14, 15) were isolated, together with a known coumarin, 5,7-dihydroxycoumarin (1), a tyramine derivative,Expand
New 2, 5-Bis-aryl-3, 4-dimethyltetrahydrofuran Lignans from the Aril of Myristica fragrans
Several new tetrahydrofuran lignans, named fragransins A2 (II), B1 (IV), B2 (V), B3 (VI), C1 (VII), C2 (VIII), C3a (IX) and C3b (X) were isolated from the methanolic extract of the aril of MyristicaExpand
Constituents of the roots of Cynanchum bungei Decne. Isolation and structures of four new glucosides, bungeiside-A, -B, -C, and -D.
Four new glucosides, bungeiside-A, -B, -C, and -D, were isolated from the roots of Cynanchum bungei Decne. The structures of the new compounds were determined by chemical and spectroscopic methods,Expand
Transformation of aucubin to new pyridine monoterpene alkaloids, aucubinines A and B, by human intestinal bacteria
Aucubin was transformed to new nitrogen‐containing compounds named aucubinines A and B, along with an aglycone, aucubigenin by anaerobic incubation with defined strains of human intestinal bacteriaExpand
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