Common sage is grown in parts of Europe for distillation of an essential oil, though other species such as Salvia fruticosa may also be harvested and distilled with it. The essential oil contains cineole, borneol, and thujone. Sage leaf contains tannic acid, oleic acid, ursonic acid, ursolic acid, carnosol, carnosic acid, fumaric acid, chlorogenic acid, caffeic acid, niacin, nicotinamide, flavones, flavonoid glycosides, and estrogenic substances.
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