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Monastir, Tunisia

Hammami S.,Research Unit 13ES63 | El Mokni R.,University of Carthage | Faidi K.,Research Unit 13ES63 | Falconieri D.,Industrial Technical Institute Michele Giua | And 5 more authors.
Natural Product Research | Year: 2015

The objectives of this study were to chemically characterise and evaluate the antioxidant potential of the essential oil from Teucrium flavum L. subsp. flavum growing spontaneously in Tunisia. The volatile oil was extracted by hydrodistillation of the aerial parts in a Clevenger type apparatus. Forty constituents were identified via GC and GC-MS analysis. β-caryophyllene (32.5%) and α-humulene (17.8%) were the most abundant components. The evaluation of free radical scavenging activity using stable DPPH free radical showed that the volatile oil exhibits a moderate antioxidant activity and reduces DPPH to 50% at EC50 value of 1230 μg mL− 1. © 2015 Taylor & Francis

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