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Chemical composition and antioxidant activity of the essential oil of Renealmia alpinia (Rottb.) Maas

de Souza, Edineide Cristina A ; Flach, Adriana ; da Costa, Luiz Antonio Mendonça Alves

Natural Product Research, 2023, Vol.37 (23), p.4042-4048

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Título:
Chemical composition and antioxidant activity of the essential oil of Renealmia alpinia (Rottb.) Maas
Autor: de Souza, Edineide Cristina A ; Flach, Adriana ; da Costa, Luiz Antonio Mendonça Alves
Assuntos: Roraima ; Serra do Tepequém ; Volatiles ; Zingiberaceae
É parte de: Natural Product Research, 2023, Vol.37 (23), p.4042-4048
Descrição: Renealmia alpinia (Rottb.) Maas was collected in Serra do Tepequém, municipality of Amajari, state of Roraima, Brazil. The essential oil was obtained from the fresh leaves by hydrodistillation using a Clevenger apparatus and analysed using GC-FID and GC-MS. The oil provided a yield of 0.6% (w/w), which, in the analysis of its contents, presented a higher concentration of sesquiterpenes, with α-phellandrene (23.10%), 16-oxo-8(17),12(E)-labdadien-15-oic acid (17.05%), β-caryophyllene (10.28%), valencene (5.27%) and allo-aromadendrene (3.52%) being the most abundant. The antioxidant activity of the essential oil was determined using two methods, and indicated significant activity by both. Using the DPPH method, the essential oil presented an IC 50 of 1.470 ± 0.0264 mg.L 1 and an inhibition of the β−carotene/linoleic acid oxidation system of 76.43 ± 0.80%.
Editor: Taylor & Francis
Idioma: Inglês

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