Comparison of pennyroyal oils obtained b
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E. M. C. Reis-Vasco; J. A. P. Coelho; A. M. F. Palavra
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Article
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1999
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John Wiley and Sons
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English
β 223 KB
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Flowers and leaves of pennyroyal (Mentha pulegium L.) were extracted using supercritical CO 2 followed by a two-stage fractional separation technique. Using a Β―ow apparatus with an extraction vessel (1 l) and two separators (0.27 l), the best conditions of extraction (P 100 bar and T 508C) and of se