Abstract
The Myrtaceae family has great occurrence in Brazil, mainly in the Atlantic Forest of the South and Southeast regions and presents potential for essential oil production. This work aimed to evaluate the essential oil yield and composition of the species Myrciaria delicatula, Campomanesia xantocarpha, Campomanesia aurea, Calyptranthes clusiifolia, Myrcia splendens, Eugenia osoriana, Myrciaria tenella, Myrceugenia reitzii, Calyptranthes concinna e Myrcia arborensis from a segment of the Atlantic Forest of Parana State. The essential oil extraction was carried out by hydrodistillation of fresh and dried leaves using a Clevenger type apparatus and the chemical composition was analyzed by gas phase chromatography coupled with mass spectrometry (GC/MS). Myrceugenia reitzii showed eesential oil yield superior to other species and the essential oil yield of all species increased after drying. The chemical composition in the samples showed mono and sesquiterpenes , being the sesquiterpenes in higher percentages. The drying conditions affected the essential oil composition of the for the majority of the evaluated species.
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