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Abstract (1R)(+)‐Pulegone with high enantiomeric purity (95–100%) was detected in the essential oils from fresh leaves of Mentha piperita L., M. longifolia (L.) Huds., M. pulegium L., M. sylvestris L., Calamintha incána (Sm.) Heldr. and Micromeria fruticosa. L. High enantiomeric purities were found in samples of commercial (+)‐ and (—)‐pulegone. Direct enantiomeric separation was performed using a Cyclodex B chiral capillary column.
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Ravid et al. (1994) studied this question.
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