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Revista Brasileira de Plantas Medicinais

versão impressa ISSN 1516-0572

Resumo

BOTREL, P.P. et al. Essential oil content and chemical composition in Hyptis marrubioides Epl. of different genotypes. Rev. bras. plantas med. [online]. 2009, vol.11, n.2, pp.164-169. ISSN 1516-0572.  http://dx.doi.org/10.1590/S1516-05722009000200009.

Hyptis marrubioides Epling ("hortelã-do-campo") is a medicinal species known for its activities against gastrointestinal and skin infections, pains and cramps. The aim of this work was to evaluate essential oil content and chemical composition in H. marrubioides of different genotypes (purple and white), as well as fresh plant parts (leaves, inflorescences and stem). The studied genotypes were identified based on the inflorescences, which are purple and white. The experimental design was completely randomized, including the three parts of both genotypes, in a 3X2 factorial arrangement, with four replicates. Essential oil was extracted through hydrodistillation for two hours and analyzed using Gas Chromatography attached to a Mass Spectrometry (GC-MS). The highest essential oil content was found for the inflorescence of purple genotype. Hyptis marrubioides essential oil composition quantitatively varied among the analyzed plant parts and between genotypes. The compound α-thujone had the highest percentage of apex area in inflorescences of purple genotype. The percentages of purple genotype were on average higher than those of white one.

Palavras-chave : "hortelã-do-campo"; medicinal plant; gas chromatography.

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