Research Article
Cleiton de Oliveira¹, Camila Confortin¹, Wanderlei do Amaral¹, Ana
Helena Loos Moritz2, Michele Debiasi
Alberton² and Luiz Everson da Silva¹*
Abstract
Studies for the
knowledge of native species with therapeutic potential gain great relevance and
among these, there are researches with essential oils of native species. This
study aims to know the yield, chemical characterization and biological activity
of the essential oil of the species Eupatorium intermedium. The plant
material was collected in the Atlantic rainforest of the State of Paraná,
Brazil. The essential oil extraction was performed by hydrodistillation of the
inflorescences and leaves, in triplicates with 100g of plant material. The
yield obtained from the essential oil was 1.02% in the inflorescences and 0.74%
in the leaves. Gas chromatography analysis was performed on a Shimadzu
GCMS-TQ8040 brand, 90 division chromatographs coupled to a mass spectrometer.
The main constituents in flowers were α-pinene (25.88%), β-pinene (39.12%),
limonene (12.36%), 5-diene-trans-muurola-4(14) (4, 03%). On the other hands,
α-pinene (19.81%), β-pinene (25.93%), limonene (15.03%),
5-diene-trans-muurola-4(14) (10.55%), bicyclogermacrene (9.09%) were found in
the leaves. In vitro antibacterial assays were performed in triplicate
by agar diffusion method. The leaf oil generated a halo of inhibition with an
average of 14 mm for Listeria monocytogenes, Escherichia coli (16 mm), Bacillus
cereus (16 mm) and Staphylococcus aureus (17 mm). The inflorescence oil
generated a halo of inhibition with an average of 16 mm for Listeria
monocytogenes, Escherichia coli (13.66 mm), Bacillus cereus (13.66 mm),
Staphylococcus aureus (13.33 mm). In addition, the results of enzyme inhibition
assays indicated inhibition of α-glucosidase (100%) and acetylcholinesterase
(85.4%). These
results contribute to the chemical characterization of the species and are also
promising concerning the biological activity, being this the first ever report
of activity from the essential oil of the species Eupatorium intermedium
against the enzyme α-glucosidase and acetylcholinesterase.
Abstract Keywords
Essential oil; Eupatorium intermedium,
chemical composition, biological activities, medicinal plants, bioprospecting,
natural products, Asteraceae.
Abstract
Studies for the
knowledge of native species with therapeutic potential gain great relevance and
among these, there are researches with essential oils of native species. This
study aims to know the yield, chemical characterization and biological activity
of the essential oil of the species Eupatorium intermedium. The plant
material was collected in the Atlantic rainforest of the State of Paraná,
Brazil. The essential oil extraction was performed by hydrodistillation of the
inflorescences and leaves, in triplicates with 100g of plant material. The
yield obtained from the essential oil was 1.02% in the inflorescences and 0.74%
in the leaves. Gas chromatography analysis was performed on a Shimadzu
GCMS-TQ8040 brand, 90 division chromatographs coupled to a mass spectrometer.
The main constituents in flowers were α-pinene (25.88%), β-pinene (39.12%),
limonene (12.36%), 5-diene-trans-muurola-4(14) (4, 03%). On the other hands,
α-pinene (19.81%), β-pinene (25.93%), limonene (15.03%),
5-diene-trans-muurola-4(14) (10.55%), bicyclogermacrene (9.09%) were found in
the leaves. In vitro antibacterial assays were performed in triplicate
by agar diffusion method. The leaf oil generated a halo of inhibition with an
average of 14 mm for Listeria monocytogenes, Escherichia coli (16 mm), Bacillus
cereus (16 mm) and Staphylococcus aureus (17 mm). The inflorescence oil
generated a halo of inhibition with an average of 16 mm for Listeria
monocytogenes, Escherichia coli (13.66 mm), Bacillus cereus (13.66 mm),
Staphylococcus aureus (13.33 mm). In addition, the results of enzyme inhibition
assays indicated inhibition of α-glucosidase (100%) and acetylcholinesterase
(85.4%). These
results contribute to the chemical characterization of the species and are also
promising concerning the biological activity, being this the first ever report
of activity from the essential oil of the species Eupatorium intermedium
against the enzyme α-glucosidase and acetylcholinesterase.
Keywords
Essential oil; Eupatorium intermedium,
chemical composition, biological activities, medicinal plants, bioprospecting,
natural products, Asteraceae.
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This work is licensed under the
Creative Commons Attribution
4.0
License (CC BY-NC 4.0).
Abstract
Studies for the
knowledge of native species with therapeutic potential gain great relevance and
among these, there are researches with essential oils of native species. This
study aims to know the yield, chemical characterization and biological activity
of the essential oil of the species Eupatorium intermedium. The plant
material was collected in the Atlantic rainforest of the State of Paraná,
Brazil. The essential oil extraction was performed by hydrodistillation of the
inflorescences and leaves, in triplicates with 100g of plant material. The
yield obtained from the essential oil was 1.02% in the inflorescences and 0.74%
in the leaves. Gas chromatography analysis was performed on a Shimadzu
GCMS-TQ8040 brand, 90 division chromatographs coupled to a mass spectrometer.
The main constituents in flowers were α-pinene (25.88%), β-pinene (39.12%),
limonene (12.36%), 5-diene-trans-muurola-4(14) (4, 03%). On the other hands,
α-pinene (19.81%), β-pinene (25.93%), limonene (15.03%),
5-diene-trans-muurola-4(14) (10.55%), bicyclogermacrene (9.09%) were found in
the leaves. In vitro antibacterial assays were performed in triplicate
by agar diffusion method. The leaf oil generated a halo of inhibition with an
average of 14 mm for Listeria monocytogenes, Escherichia coli (16 mm), Bacillus
cereus (16 mm) and Staphylococcus aureus (17 mm). The inflorescence oil
generated a halo of inhibition with an average of 16 mm for Listeria
monocytogenes, Escherichia coli (13.66 mm), Bacillus cereus (13.66 mm),
Staphylococcus aureus (13.33 mm). In addition, the results of enzyme inhibition
assays indicated inhibition of α-glucosidase (100%) and acetylcholinesterase
(85.4%). These
results contribute to the chemical characterization of the species and are also
promising concerning the biological activity, being this the first ever report
of activity from the essential oil of the species Eupatorium intermedium
against the enzyme α-glucosidase and acetylcholinesterase.
Abstract Keywords
Essential oil; Eupatorium intermedium,
chemical composition, biological activities, medicinal plants, bioprospecting,
natural products, Asteraceae.
This work is licensed under the
Creative Commons Attribution
4.0
License (CC BY-NC 4.0).
Editor-in-Chief
Prof. Dr. Radosław Kowalski
This work is licensed under the
Creative Commons Attribution 4.0
License.(CC BY-NC 4.0).