Author

Masayoshi Ohyama

Observed names: M Ohyama, M. OHYAMA, M. Ohyama, Masayoshi OHYAMA, Masayosi Ohyama, Mosayoshi Ohyama, OHYAMA, MASAYOSHI, OHYAMA, Masayoshi, Ohyama

Institution: Gifu Pharmaceutical University

Observed institutions: University of North Carolina at Chapel Hill, Chulalongkorn University, Gifu Pharmaceutical University, University of Mississippi, National Institute of Health Sciences, Gifu Prefectural Research Institute for Health and Environmental Sciences, National Cancer Center Research Institute

OpenAlex ID: A5009609799

Comparative study on the antibacterial activity of phytochemical flavanones against methicillin-resistant Staphylococcus aureus

1996 · Hironori Tsuchiya, Masaru Sato, et al. · Journal of Ethnopharmacology · 708

Antitumor agents 200.1 cytotoxicity of naturally occurring resveratrol oligomers and their acetate derivatives

1999 · Masayoshi Ohyama, Toshiyuki Tanaka, et al. · Bioorganic & Medicinal Chemistry Letters · 104

Flavanones with Potent Antibacterial Activity against Methicillin-resistant Staphylococcus aureus

1994 · Munekazu Iinuma, Hironori Tsuchiya, et al. · Journal of Pharmacy and Pharmacology · 85

Inhibition of the growth of cariogenic bacteria in vitro by plant falvanones

1994 · H. Tsuchiya, M. Sato, et al. · Cellular and Molecular Life Sciences · 78

A novel bridged stilbenoid trimer and four highly condensed stilbenoid oligomers in Vatica rassak

2001 · Tetsuro Ito, Toshiyuki Tanaka, et al. · Tetrahedron · 72

Laxative Effect of Agarwood Leaves and Its Mechanism

2008 · Hideaki HARA, Yasuaki ISE, et al. · Bioscience Biotechnology and Biochemistry · 71

Stilbenoids in the stem bark of Hopea parviflora

2000 · T. Tanaka, T. Ito, et al. · Phytochemistry · 64

Five resveratrol oligomers from roots of Sophora leachiana

1995 · Masayoshi Ohyama, Toshiyuki Tanaka, et al. · Phytochemistry · 57

Six flavonostilbenes and a flavanone in roots of Sophora alopecuroides

1995 · Munekazu Iinuma, Masayoshi Ohyama, et al. · Phytochemistry · 57

Three flavanones with a lavandulyl group in the roots of Sophora exigua

1992 · Nijsiri Ruangrungsi, Munekazu Iinuma, et al. · Phytochemistry · 55

Novel, Complex Flavonoids from Mallotus philippensis (Kamala Tree)

2005 · Miyuki Furusawa, Yoshimi Ido, et al. · Helvetica Chimica Acta · 54

Flavonoids in roots of Sophora prostrata

1995 · Munekazu Iinuma, Masayoshi Ohyama, et al. · Phytochemistry · 52

Five flavonoid compounds from Echinosophora koreensis

1993 · Munekazu Iinuma, Masayoshi Ohyama, et al. · Phytochemistry · 49

Stilbene oligomers in roots of Sophora davidii

2000 · T. Tanaka, T. Ito, et al. · Phytochemistry · 44

Phenanthroindolizidine Alkaloids as Cytotoxic Substances in a Danaid Butterfly, Ideopsis similis, against Human Cancer Cells

2001 · Hajime Komatsu, Masahiko Watanabe, et al. · Journal of Medicinal Chemistry · 42

A resveratrol dimer from Parthenocissus tricuspidata

1998 · Toshiyuki Tanaka, Masayoshi Ohyama, et al. · Phytochemistry · 42

Isoflavonoids from Sophora secundiflora, S. arizonica and S. gypsophila

1998 · Toshiyuki Tanaka, Masayosi Ohyama, et al. · Phytochemistry · 42

Three 2′,4′,6′-Trioxygenated flavanones in roots of Echinosophora koreensis

1992 · Munekazu Iinuma, Masayoshi Ohyama, et al. · Phytochemistry · 41

A new resveratrol octamer, vateriaphenol A, in Vateria indica

2001 · Tetsuro Ito, Toshiyuki Tanaka, et al. · Tetrahedron Letters · 40

Two Novel Resveratrol Trimers, Leachianols A and B, from Sophora leachiana.

1994 · Masayoshi OHYAMA, Toshiyuki TANAKA, et al. · Chemical and Pharmaceutical Bulletin · 40

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Anti-MRSA activity of sophoraflavanone G and synergism with other antibacterial agents

1998 · Y. Sakagami, M. Mimura, et al. · Letters in Applied Microbiology · 39

Seven phenolic compounds in the roots of Sophora exigua

1993 · Munekazu Iinuma, Junji Yokoyama, et al. · Phytochemistry · 39

Eight phenolic compounds in root of Sophora exigua

1994 · Munekazu Iinuma, Junji Yokoyama, et al. · Phytochemistry · 38

Eupalinin A isolated from Eupatorium chinense L. induces autophagocytosis in human leukemia HL60 cells

2007 · Tomohiro Itoh, Yuko Ito, et al. · Bioorganic & Medicinal Chemistry · 36

Flavonoids from the root and stem of Sophora tomentosa

1997 · Toshiyuki Tanaka, Munekazu Iinuma, et al. · Phytochemistry · 34

Works count: 60

Citation count: 2,393

H-index: 28

I10-index: 43