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A new diterpenoid with antispasmodic activity from Salvia cinnabarina
G Romussi1, G Ciarallo, A Bisio
1Dipartimento di Chimica e Tecnologie Farmaceutiche e Alimentari, Università di Genova, Genova, Italy. romussi@dictfa.unige.it
Planta Medica
|April 17, 2001
Abstract:
From the leaf surface exudate of the aerial parts of Salvia cinnabarina a new secoisopimarane diterpenoid with a non-specific spasmolytic activity on histamine-, acetylcholine-, and barium chloride-induced contractions in the isolated guinea-pig ileum was obtained. The IC50 value obtained was comparable with that obtained for papaverine. The structure of 3,4-secoisopimara-4(18),7,15-triene-3-oic acid was established by 1D and 2D NMR spectroscopic techniques.