The essential oils obtained by steam distillation of leaves and flowers of 49 selected Artemisia absinthium mother plants of different geographical origins which were grown in Tuscany (Carmignano, Firenze), were analyzed by GC. More than 90 compounds were found in the oils, most of which occurred only in trace amounts. Eight components, which have been reported to have antibacterial activity (α- and β-thujone, terpinen-4-ol, linalool, nerol, geraniol, α-pinene, 1,8-cineole) were identified and their percentages in each of the oils were determined. From these results, oil composition variations both within and between the accessions were found. Some genotypes were characterized by particularly high percentages of active principles.
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Nin et al. (1995) studied this question.
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