Phenolic compounds from Gastrodia rhizome and relaxant effects of related compounds on isolated smooth muscle preparation

Junko Hayashi, Toshikazu Sekine, Shigeyoshi Deguchi, +6

Phytochemistry

Phenolic CompoundsBiochemistryPhysiologyOrganic ChemistryGastrodia Rhizome +5

Ardisiphenols and Other Antioxidant Principles from the Fruits of Ardisia colorata.

Megumi Sumino, Toshikazu Sekine, Nijsiri Ruangrungsi, +2

Chemical and Pharmaceutical Bulletin

BotanyPolyphenolicsOxidative StressFood ChemistryMedicinal Chemistry +14

Structure and relative stereochemistry of a new polycyclic alkaloid, asparagamine A, showing anti-oxytocin activity, isolated from Asparagus racemosus

Toshikazu Sekine, Fumio Ikegami, Nobuaki Fukasawa, +5

Journal of the Chemical Society Perkin Transactions 1

BiosynthesisBioorganic ChemistryAsparagus RacemosusBiochemistryNew Cage-type Alkaloid +11

A 9,10-dihydrophenanthrene from Asparagus racemosus

Toshikazu Sekine, N. FUKASAWA, Isamu Murakoshi, +1

Phytochemistry

BiologyAsparagus RacemosusBotanyNatural SciencesHyperparasite +1

Structure of Asparagamine A, a Novel Polycyclic Alkaloid from Asparagus racemosus.

Toshikazu Sekine, Nobuaki Fukasawa, Y. KASHIWAGI, +2

Chemical and Pharmaceutical Bulletin

BiosynthesisBioorganic ChemistryAsparagus RacemosusBiochemistryBotany +12

Inhibitory Substances from Myriophyllum brasiliense on Growth of Blue-Green Algae

Kazuki Saito, Makoto Matsumoto, Toshikazu Sekine, +3

Journal of Natural Products

BotanyInhibitory SubstancesDonut IconAltmetric Attention ScoreAlgal Product +10

Six diprenylisoflavones, derrisisoflavones A–F, from Derris scandens

Toshikazu Sekine, Miyuki Inagaki, Fumio Ikegami, +2

Phytochemistry

PharmacologySix DiprenylisoflavonesPhytochemistry

Entadamide C, a sulphur-containing amide from Entada phaseoloides

Fumio Ikegami, Toshikazu Sekine, Supanee Duangteraprecha, +4

Phytochemistry

Entadamide COrganic ChemistryStereoselective SynthesisChemistrySynthetic Chemistry +1

Two flavonol glycosides from seeds of Camellia sinensis

Toshikazu Sekine, Jiro Arita, Atsuko Yamaguchi, +5

Phytochemistry

BotanyCamellia SinensisPhytochemicalPhytochemistryPharmacology

Immunosuppressive substances in Aspergillus fumigatus culture filtrate

Akira Watanabe, Takayuki Kuriyama, Katsuhiko Kamei, +4

Journal of Infection and Chemotherapy

Immunosuppressive SubstancesMicrobiologyFungal Physiology