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Two prenylated retrochalcones from Glycyrrhiza inflata
Two novel anti-emetic principles of Alpinia katsumadai.
Two novel diarylheptanoids isolated from the seeds of Alpinia katsumadai showed anti-emetic activities on copper sulfate-induced emesis in young chicks.
Anti-influenza virus activity of biflavonoids.
Antinociceptive components of Ganoderma lucidum.
From the CH2Cl2 extract of Ganoderma lucidum among the active extracts, ganoderic acids A, B, G and H and compound C6 were isolated as the antinociceptive components.
Chemical assay of ptaquiloside, the carcinogen of pteridium aquilinum, and the distribution of related compounds in the pteridaceae
Antiemetic principles of Alpinia officinarum.
The structure of the new compound 7, which also showed antiemetic activity, was determined as 5-Hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-heptanone, which was established on the basis of spectroscopic data interpretation.
Four New Azaphilones from Chaetomium globosum var. flavo-viridae
Four new azaphilones of angular type, named chaetoviridins A, B, C and D, were isolated from the culture of Chaetomium globosum var. flavo-viridae. The absolute configuration of chaetoviridin A was…
Chemical constituents of a marine fungus, Arthrinium sacchari.
Three new diterpenes, myrocin D (1), libertellenone E (2), and libertellenone F (3), and a new isocoumarin, decarboxyhydroxycitrinone (4), were isolated from the marine fungus Arthrinium sacchari,…
Further Characterization of Seven Bis(naphtho-γ-pyrone) Congeners of Ustilaginoidins, Coloring Matters of Claviceps virens (Ustilaginoidea virens)