J Ethnopharmacol. 1991 Jan; 31(1): 43-8.

Traditional medicine of Baja California Sur (Mexico). III. Carnosol: a diterpene antibiotic from Lepechinia hastata.

Dimayuga RE, Garcia SK, Nielsen PH, Christophersen C.

Departamento de Biologia Marina, Universidad Autonoma de Baja California Sur, La Paz, Mexico.

The medicinal plant Lepechinia hastata, used as a remedy against uterine infections in Baja California Sur (Mexico), was shown to contain carnosol as the main diterpenoid secondary metabolite. Carnosol has potent in vitro antimicrobial activity. Detailed spectroscopical properties of carnosol are presented.