Antioxidant capacity of the leaf extract obtained from Arrabidaea chica cultivated in Southern Brazil

Arrabidaea chica leaf extract has been used by people as an anti-inflammatory and astringent agent as well as a remedy for intestinal colic, diarrhea, leucorrhea, anemia, and leukemia. A. chica is known to be a good producer of phenolics. Therefore, in the present study, we investigated its antioxid...

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Veröffentlicht in:PloS one 2013-08, Vol.8 (8), p.e72733-e72733
Hauptverfasser: Siraichi, Jackeline Tiemy Guinoza, Felipe, Daniele Fernanda, Brambilla, Lara Zampar Serra, Gatto, Melissa Junqueira, Terra, Vânia Aparecida, Cecchini, Alessandra Lourenco, Cortez, Lucia Elaine Ranieri, Rodrigues-Filho, Edson, Cortez, Diógenes Aparício Garcia
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container_start_page e72733
container_title PloS one
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creator Siraichi, Jackeline Tiemy Guinoza
Felipe, Daniele Fernanda
Brambilla, Lara Zampar Serra
Gatto, Melissa Junqueira
Terra, Vânia Aparecida
Cecchini, Alessandra Lourenco
Cortez, Lucia Elaine Ranieri
Rodrigues-Filho, Edson
Cortez, Diógenes Aparício Garcia
description Arrabidaea chica leaf extract has been used by people as an anti-inflammatory and astringent agent as well as a remedy for intestinal colic, diarrhea, leucorrhea, anemia, and leukemia. A. chica is known to be a good producer of phenolics. Therefore, in the present study, we investigated its antioxidant activity. The phenolic composition of A. chica leaves was studied by liquid chromatography coupled to diode array detection (LC-DAD) and liquid chromatography coupled to electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS), and isoscutellarein, 6-hydroxyluteolin, hispidulin, scutellarein, luteolin, and apigenin were identified. The extract from leaves of A. chica was tested for antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method, β-carotene bleaching test, and total reactive antioxidant potential (TRAP) method. The crude extract quenched DPPH free radicals in a dose-dependent manner, and the IC50 of the extract was 13.51 µg/mL. The β-carotene bleaching test showed that the addition of the A. chica extract in different concentrations (200 and 500 µg/mL) prevented the bleaching of β-carotene at different degrees (51.2% ±3.38% and 94% ±4.61%, respectively). The TRAP test showed dose-dependent correlation between the increasing concentrations of A. chica extract (0.1, 0.5, and 1.0 µg/mL) and the TRAP values obtained by trolox (hydro-soluble vitamin E) 0.4738±0.0466, 1.981±0.1603, and 6.877±1.445 µM, respectively. The 2 main flavonoids, scutellarein and apigenin, were separated, and their antioxidant activity was found to be the same as that of the plant extract. These 2 flavonoids were quantified in the plant extract by using a validated HPLC-UV method. The results of these tests showed that the extract of A. chica had a significant antioxidant activity, which could be attributed to the presence of the mixture of flavonoids in the plant extract, with the main contribution of scutellarein and apigenin.
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A. chica is known to be a good producer of phenolics. Therefore, in the present study, we investigated its antioxidant activity. The phenolic composition of A. chica leaves was studied by liquid chromatography coupled to diode array detection (LC-DAD) and liquid chromatography coupled to electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS), and isoscutellarein, 6-hydroxyluteolin, hispidulin, scutellarein, luteolin, and apigenin were identified. The extract from leaves of A. chica was tested for antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method, β-carotene bleaching test, and total reactive antioxidant potential (TRAP) method. The crude extract quenched DPPH free radicals in a dose-dependent manner, and the IC50 of the extract was 13.51 µg/mL. The β-carotene bleaching test showed that the addition of the A. chica extract in different concentrations (200 and 500 µg/mL) prevented the bleaching of β-carotene at different degrees (51.2% ±3.38% and 94% ±4.61%, respectively). The TRAP test showed dose-dependent correlation between the increasing concentrations of A. chica extract (0.1, 0.5, and 1.0 µg/mL) and the TRAP values obtained by trolox (hydro-soluble vitamin E) 0.4738±0.0466, 1.981±0.1603, and 6.877±1.445 µM, respectively. The 2 main flavonoids, scutellarein and apigenin, were separated, and their antioxidant activity was found to be the same as that of the plant extract. These 2 flavonoids were quantified in the plant extract by using a validated HPLC-UV method. 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A. chica is known to be a good producer of phenolics. Therefore, in the present study, we investigated its antioxidant activity. The phenolic composition of A. chica leaves was studied by liquid chromatography coupled to diode array detection (LC-DAD) and liquid chromatography coupled to electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS), and isoscutellarein, 6-hydroxyluteolin, hispidulin, scutellarein, luteolin, and apigenin were identified. The extract from leaves of A. chica was tested for antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method, β-carotene bleaching test, and total reactive antioxidant potential (TRAP) method. The crude extract quenched DPPH free radicals in a dose-dependent manner, and the IC50 of the extract was 13.51 µg/mL. 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Siraichi, Jackeline Tiemy Guinoza</au><au>Felipe, Daniele Fernanda</au><au>Brambilla, Lara Zampar Serra</au><au>Gatto, Melissa Junqueira</au><au>Terra, Vânia Aparecida</au><au>Cecchini, Alessandra Lourenco</au><au>Cortez, Lucia Elaine Ranieri</au><au>Rodrigues-Filho, Edson</au><au>Cortez, Diógenes Aparício Garcia</au><au>Harder, Tilmann</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antioxidant capacity of the leaf extract obtained from Arrabidaea chica cultivated in Southern Brazil</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2013-08-29</date><risdate>2013</risdate><volume>8</volume><issue>8</issue><spage>e72733</spage><epage>e72733</epage><pages>e72733-e72733</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Arrabidaea chica leaf extract has been used by people as an anti-inflammatory and astringent agent as well as a remedy for intestinal colic, diarrhea, leucorrhea, anemia, and leukemia. A. chica is known to be a good producer of phenolics. Therefore, in the present study, we investigated its antioxidant activity. The phenolic composition of A. chica leaves was studied by liquid chromatography coupled to diode array detection (LC-DAD) and liquid chromatography coupled to electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS), and isoscutellarein, 6-hydroxyluteolin, hispidulin, scutellarein, luteolin, and apigenin were identified. The extract from leaves of A. chica was tested for antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method, β-carotene bleaching test, and total reactive antioxidant potential (TRAP) method. The crude extract quenched DPPH free radicals in a dose-dependent manner, and the IC50 of the extract was 13.51 µg/mL. The β-carotene bleaching test showed that the addition of the A. chica extract in different concentrations (200 and 500 µg/mL) prevented the bleaching of β-carotene at different degrees (51.2% ±3.38% and 94% ±4.61%, respectively). The TRAP test showed dose-dependent correlation between the increasing concentrations of A. chica extract (0.1, 0.5, and 1.0 µg/mL) and the TRAP values obtained by trolox (hydro-soluble vitamin E) 0.4738±0.0466, 1.981±0.1603, and 6.877±1.445 µM, respectively. The 2 main flavonoids, scutellarein and apigenin, were separated, and their antioxidant activity was found to be the same as that of the plant extract. These 2 flavonoids were quantified in the plant extract by using a validated HPLC-UV method. The results of these tests showed that the extract of A. chica had a significant antioxidant activity, which could be attributed to the presence of the mixture of flavonoids in the plant extract, with the main contribution of scutellarein and apigenin.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>24009700</pmid><doi>10.1371/journal.pone.0072733</doi><oa>free_for_read</oa></addata></record>
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identifier ISSN: 1932-6203
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1932-6203
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subjects Anemia
Antioxidants
Antioxidants - analysis
Antioxidants - chemistry
Antioxidants - pharmacology
Arrabidaea chica
Biology
Bleaching
Brazil
Chemistry
Chromatography
Chromatography, High Pressure Liquid
Colic
Diarrhea
Ethanol
Flavonoids
Food
Free radicals
Herbal medicine
High performance liquid chromatography
Inflammation
Intestine
Ionization
Leaves
Leukemia
Liquid chromatography
Mass Spectrometry
Mass spectroscopy
Metabolites
Methods
NMR
Nuclear magnetic resonance
Nuclear Magnetic Resonance, Biomolecular
Pharmaceutical sciences
Phenolic compounds
Phenols
Plant extracts
Plant Extracts - analysis
Plant Extracts - chemistry
Plant Extracts - pharmacology
Plant Leaves - chemistry
Quenching
Reproducibility of Results
Sensitivity and Specificity
Studies
Test procedures
Tocopherol
Tracheophyta - chemistry
Vitamin E
β-Carotene
title Antioxidant capacity of the leaf extract obtained from Arrabidaea chica cultivated in Southern Brazil
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