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Type: Artigo
Title: Chemical composition and biological activity of eupatorium intermedium essential oil
Author: Czaikoski, Karina
Mesomo, Michele C.
Scheer, Agnes de Paula
Queiroga, Carmen L.
Deschamps, Cícero
Corazza, Marcos L.
Abstract: This article reports a study on the extraction and evaluation of essential oil obtained from dried flowers of Eupatorium intermedium, a plant native to southern Brazil that belongs to the Asteraceae family. The hydrodistillation achieved a maximum yield of 1.01 wt% of essential oil. Regarding the chemical composition, by a qualitative analysis, the identified substances were α-pinene, sabinene, β-pinene, limonene, caryophyllene (E), germacrene D, spathulenol and caryophyllene oxide. The antioxidant activity of the essential oil obtained was evaluated using the DPPH method, phosphomolybdenum reducing method and total phenolic content. The total phenolic content was 4.26 mg GAE/g of oil. The antioxidant activity obtained by the DPPH method was 0.82 wt%, at a concentration of 250 mg/mL. The antioxidant activity obtained through the reduction of the phosphomolybdenum complex was 1154.69 mg α-tocopherol/g of oil. Antibacterial activity assays were performed using the agar well method. The oil presented antibacterial effects against the Gram-positive bacteria tested
Subject: Asteraceae
Country: Estados Unidos
Editor: Taylor & Francis
Rights: Fechado
Identifier DOI: 10.1080/10412905.2016.1191382
Date Issue: 2017
Appears in Collections:CPQBA - Artigos e Outros Documentos

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