The essential oils of some rosemary cultivars

Abstract
Twenty‐three named cultivars of Rosmarinus officinalis L. were examined. These cultivars, derived from five botanical varieties, show wide ranges in the leading components: 0.06–57.45% α‐pinene, 3.55–42.69% 1,8‐cineole, 0.20–56.45% camphor, 0.66–21.03% bornyl acetate, and 0.40–14.69% borneol. They may be grouped into six chemical groups: (1) α‐pinene > 1,8‐cineole, (2) 1,8‐cineole > α‐pinene, (3) α‐pinene > camphor + camphene > 1,8‐cineole, (4) camphor + camphene > α‐pinene > 1,8‐cineole, (5) camphor + camphene > 1,8‐cineole > α‐pinene, and (6) borneol + bornyl acetate > camphor.

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