Chemical variability of the essential oils from fruits of Pterodon emarginatus in the Brazilian Cerrado

AUTOR(ES)

Alves, Suzana F., Borges, Leonardo Luiz, Paula, Joelma A. M. de, Vieira, Roberto F., Ferri, Pedro H., Couto, Renê Oliveira do, Paula, José Realino de, Bara, Maria Teresa Freitas

FONTE

Rev. bras. farmacogn.

DATA DE PUBLICAÇÃO

25/02/2013

RESUMO

Pterodon emarginatus Vogel, Fabaceae, is a tree species commonly known as "sucupira-branca". It is a popular medicinal plant in the Brazilian cerrado (Savanna). This study investigates the chemical variability of the essential oils from fruits of P. emarginatus. The fruits were collected from five sites in the Brazilian Cerrado and their essential oils were analyzed by GC/MS. The results obtained by Principal Component and Cluster Analysis identified two groups: cluster I containing β-caryophyllene and δ-elemene and cluster II containing α-copaene, β-cubebene, allo-aromadendrene, α-cubebene and γ-muurulene. The Canonical Discriminant Analysis was used to differentiate between clusters on the basis of essential oil composition. The results showed high variability in the composition of the essential oils from fruits of P. emarginatus, contributing to studies of domestication of this species.

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