Essential Oil Composition, Antioxidant and Antimicrobial Properties of Essential Oil and Deodorized Extracts of Helichrysum italicum (Roth) G. Don
Authors:Džamić, Ana M.
Mileski, Ksenija S.
Ristić, Mihailo S.
Marin, Petar D.
Article (Published version)
© 2019 Har Krishan Bhalla & Sons.
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The main aim of this work was to determine the chemical composition of essential oil from aerial parts and to evaluate potential antimicrobial and antioxidant activities of essential oil and deodorized extracts of Helichrysum italicum. The gas chromatography-flame ionization detector (GC/FID) and gas chromatography-mass spectrometry (GC/MS) techniques revealed the highest amount of sesquiterpene hydrocarbons (37.88 %), with neryl-acetate (20.44 %), γ-curcumene (14.08 %) and trans-α-bergamotene (6.99 %) as the main components. Total phenolic contents of tested extracts were determined by Folin-Ciocalteau assay and gallic acid was used as a standard. The highest phenolic concentration was measured in deodorised aqueous extract. The radical scavenging activity of the samples was evaluated by means of DPPH radicals. In this test, deodorised aqueous extract possessed the highest antioxidant effect (IC50 = 0.35 mg/ml), followed by deodorized methanol extract, while essential oil had the lowest scavengin...
Keywords:Helichrysum italicum; Essential oil; Deodorized extracts; Antioxidant; Anti-microbial activity
Source:Journal of Essential Oil Bearing Plants, 2019, 22, 2, 493-503
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