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Chemical Composition and Antioxidant DPPH Activity of the Floral and Leaves Essential Oils of cMontanoa speciosa</i> DC
Facultad de Química, Universidad Autónoma de Yucatán, Mérida, México
División de Estudios de Posgrado e Investigación, Departamento de Ingeniería Química y Bioquímica del Instituto Tecnológico de Mérida, Tecnológico Nacional de México, Km. 5 Carr. Mérida-Progreso, Mérida, México
Facultad de Química, Universidad Nacional Autónoma de México, Mérida, México
División de Estudios de Posgrado e Investigación, Departamento de Ingeniería Química y Bioquímica del Instituto Tecnológico de Mérida, Tecnológico Nacional de México, Km. 5 Carr. Mérida-Progreso, Mérida, México
- 1 Facultad de Química, Universidad Autónoma de Yucatán, Mérida, México
- 2 División de Estudios de Posgrado e Investigación, Departamento de Ingeniería Química y Bioquímica del Instituto Tecnológico de Mérida, Tecnológico Nacional de México, Km. 5 Carr. Mérida-Progreso, Mérida, México
- 3 Facultad de Química, Universidad Nacional Autónoma de México, Mérida, México
- 4 División de Estudios de Posgrado e Investigación, Departamento de Ingeniería Química y Bioquímica del Instituto Tecnológico de Mérida, Tecnológico Nacional de México, Km. 5 Carr. Mérida-Progreso, Mérida, México
American Journal of Plant Sciences·Volume 08 (2017)·Pages 745–753·Published 3 March 2017·DOI10.4236/ajps.2017.84052
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Abstract
The essential oils obtained by hydrodistillation from leaves and flowers of Montanoa speciosa collected in southeastern Mexico (Yucatan) were analyzed by GC-MS. A total of 71 and 79 components, representing 98.44% and 97.69% of the leaf and flower oils, respectively, were characterized. The main consti tuents found were β -caryophyllene (20.73%, 17.95%), δ -cadinene (9.88%, 9.28%), caryophyllene oxide (9.48%, 8.68%), and germacrene D (6.94%, 5.85%). The essential oils were screened for their antioxidant potentials by DPPH assay. The leaves oil exhibited higher DPPH scavenging capability (72.85 ± 0.28 mmol TE/g essential oil and 147.83 ± 0.41 mg/mL Vit C/g essential oil) than the floral oil (68.43 ± 0.10 mmol TE/g essential oil and 131.59 ± 0.87 mg/mL Vit C/g essential oil).
Keywords<i>Montanoa speciosa</i>AsteraceaeEssential Oil CompositionDPPH Assay
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