Quantitative Determination of Stilbenoids and Dihydroisocoumarins in Shorea roxburghii and Evaluation of Their Hepatoprotective Activity

by Kiyofumi Ninomiya, Saowanee Chaipech, Yusuke Kunikata, Ryohei Yagi, Yutana Pongpiriyadacha, Osamu Muraoka, Toshio Morikawa
Published 2017-02-01

Ergostane-Type Sterols from King Trumpet Mushroom (Pleurotus eryngii) and Their Inhibitory Effects on Aromatase

by Takashi Kikuchi, Naoki Motoyashiki, Takeshi Yamada, Kanae Shibatani, Kiyofumi Ninomiya, Toshio Morikawa, Reiko Tanaka
Published 2017-11-01

Labdane-Type Diterpenes, Galangalditerpenes A–C, with Melanogenesis Inhibitory Activity from the Fruit of Alpinia galanga

by Yoshiaki Manse, Kiyofumi Ninomiya, Ryosuke Nishi, Yoshinori Hashimoto, Saowanee Chaipech, Osamu Muraoka, Toshio Morikawa
Published 2017-12-01

The Antiproliferative Effect of Chakasaponins I and II, Floratheasaponin A, and Epigallocatechin 3-O-Gallate Isolated from Camellia sinensis on Human Digestive Tract Carcinoma Cell...

by Niichiro Kitagawa, Toshio Morikawa, Chiaki Motai, Kiyofumi Ninomiya, Shuhei Okugawa, Ayaka Nishida, Masayuki Yoshikawa, Osamu Muraoka
Published 2016-11-01

Salacinol and Related Analogs: New Leads for Type 2 Diabetes Therapeutic Candidates from the Thai Traditional Natural Medicine Salacia chinensis

by Toshio Morikawa, Junji Akaki, Kiyofumi Ninomiya, Eri Kinouchi, Genzoh Tanabe, Yutana Pongpiriyadacha, Masayuki Yoshikawa, Osamu Muraoka
Published 2015-02-01

Hepatoprotective Limonoids from Andiroba (Carapa guianensis)

by Kiyofumi Ninomiya, Seiya Miyazawa, Kaiten Ozeki, Natsuko Matsuo, Osamu Muraoka, Takashi Kikuchi, Takeshi Yamada, Reiko Tanaka, Toshio Morikawa
Published 2016-04-01

Geranylated Coumarins From Thai Medicinal Plant Mammea siamensis With Testosterone 5α-Reductase Inhibitory Activity

by Toshio Morikawa, Fenglin Luo, Yoshiaki Manse, Hidemi Sugita, Shunsuke Saeki, Saowanee Chaipech, Saowanee Chaipech, Yutana Pongpiriyadacha, Osamu Muraoka, Kiyofumi Ninomiya
Published 2020-03-01

Quantitative Determination of Alkaloids in Lotus Flower (Flower Buds of Nelumbo nucifera) and Their Melanogenesis Inhibitory Activity

by Toshio Morikawa, Niichiro Kitagawa, Genzoh Tanabe, Kiyofumi Ninomiya, Shuhei Okugawa, Chiaki Motai, Iyori Kamei, Masayuki Yoshikawa, I-Jung Lee, Osamu Muraoka
Published 2016-07-01