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Dive into the research topics where Michiko Takahashi is active.

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Featured researches published by Michiko Takahashi.


Phytochemistry | 1976

Cardiac glycosides of the root bark of Nerium odorum

Tatsuo Yamauchi; Michiko Takahashi; Fumiko Abe

Abstract In addition to the known odorosides, the β- d -digitaloside and β- d -glucosyl-(1 → 4)-β- d -digitaloside of uzarigenin were isolated from the root bark of Nerium odorum . Odoroside B was obtained in remarkably high yield among the digitoxigenin and uzarigenin glycosides. With the aid of polyamide column chromatography, oleandrigenin β-gentiobiosyl-(1 → 4)-β- d -digitaloside ( = 16- O -acetylneogitostin) was isolated along with other oleandrigenin glycosides.


Planta Medica | 1984

Isolation and Hypoglycaemic Activity of Panaxans A, B, C, D and E, Glycans of Panax ginseng Roots1

Chohachi Konno; Kazuhiko Sugiyama; Mitsuyo Kano; Michiko Takahashi; Hiroshi Hikino


Planta Medica | 1986

Isolation and hypoglycemic activity of coixans A, B, and C, glycans of Coix lachryma-jobi var. ma-yuen seeds

Michiko Takahashi; Chohachi Konno; Hirosh Hikino


Planta Medica | 1985

Isolation and hypoglycemic activity of anemarans A, B, C and D, glycans of Anemarrhena asphodeloides rhizomes.

Michiko Takahashi; Chohachi Konno; Hiroshi Hikino


Planta Medica | 1986

Isolation and Hypoglycemic Activity of Dioscorans A, B, C, D, E, and F; Glycans of Dioscorea japonica Rhizophors1

Hiroshi Hikino; Chohachi Konno; Michiko Takahashi; Miki Murakami; Yoshiaki Kato; Masami Karikura; Teruaki Hayashi


Journal of Natural Products | 1986

Isolation and hypoglycemic activity of eleutherans A, B, C, D, E, F, and G: glycans of Eleutherococcus senticosus roots.

Hiroshi Hikino; Michiko Takahashi; Kazuko Otake; Chohachi Konno


Planta Medica | 1987

Hypoglycemic activity of twenty plant mucilages and three modified products.

Masashi Tomoda; Noriko Shimizu; Yoshiteru Oshima; Michiko Takahashi; Miki Murakami; Hiroshi Hikino


Heterocycles | 1982

Structures of Mahuannin A and B, Hypotensive Pronciples of Ephedra Roots

Hiroshi Hikino; Nobuyoshi Shimoyama; Yoshimasa Kasahara; Michiko Takahashi; Chohachi Konno


Planta Medica | 1985

Isolation and hypoglycemic activity of aconitans A, B, C and D, glycans of Aconitum carmichaeli roots.

Chohachi Konno; Mitsuo Murayama; Kazuhiko Sugiyama; Makoto Arai; Miki Murakami; Michiko Takahashi; Hiroshi Hikino


Tetrahedron Letters | 1982

Structure of ephedrannin A, A hypotensive principle of roots

Hiroshi Hikino; Michiko Takahashi; Chohachi Konno

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