Antispasmodic effect of the essential oil of Plectranthus barbatus and some major constituents on the guinea-pig ileum

Article Abstract:

The effects of the Plectranthus barbatus essential oil (PBEO) were studied on the contractility of the guinea-pig ileum in vitro. Data shows that PBEO has intestinal relaxant and antispasmodic activity and the main active principle for its relaxant and spasmolytic activity seems to be 'alpha-pinene'.

Muscle Relaxant Preparations, Drug therapy, Gastrointestinal diseases, Muscle relaxants, Lamiaceae

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Chemical composition and antibacterial activity of essential oil of Artemisia iwayomogi

Article Abstract:

The chemical composition of the essential oil from Artemisia iwayomogi Kitamura was analyzed and 85 constituents were identified representing 96.23% of the total oil. The oil exhibited antibacterial properties in tests using the broth dilution method.

Bacteriostats, Antibacterial agents, Chemical properties, Artemisia

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Six new sesquiterpenes from Euonymus nanoides and their antitumor effects

Article Abstract:

Six new sesquiterpenes were isolated from the seeds of Euonymus nanoides Loes. The structures of six new compounds are reported and their in vitro antitumor properties are evaluated.

Tuberculostatic Preparations, Antitubercular agents, Sesquiterpenes, Celastraceae

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