Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., Celastraceae
A simple, reproducible and efficient high-performance liquid chromatography (HPLC) method was developed. Water (0.05% TFA):acetonitrile (0.05% TFA) was used as the mobile phase in a gradient system for the determination of epicatechin (EP) in leaves of Maytenus ilicifolia (Schrad.) Planch. The analysis was performed using an RP C-18 column (5 µm) as the stationary phase, with a flow rate of 0.8 mL/min, at a wavelength of 210 nm for detection and determination. The main validation parameters of the method were also determined. The calibration curve was found to be linear, with a range of 10-120 µg/mL (EP). The correlation coefficient of the linear regression analysis was within 0.9988, and the detection and quantification limits were 28.61 and 86.77 µg/mL, respectively. The content of EP was successfully determined, with satisfactory reproducibility and recovery. Recovery of the EP was 99.32%. The method was successfully applied to the determination of epicatechin in leaves of M. ilicifolia. The interlaboratorial evaluation showed the reproducibility of the method with a relative standard deviation of 14.62%.
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Sociedade Brasileira de Farmacognosia
2010
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oai:scielo:S0102-695X20100005000222010-11-26Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., CelastraceaeLopes,Gisely CristinyBlainski,AndressaSantos,Paulo Victor Pires dosDiciaula,Maria CristinaMello,João Carlos Palazzo de Maytenus ilicifolia HPLC epicatechin analytical method development quality control A simple, reproducible and efficient high-performance liquid chromatography (HPLC) method was developed. Water (0.05% TFA):acetonitrile (0.05% TFA) was used as the mobile phase in a gradient system for the determination of epicatechin (EP) in leaves of Maytenus ilicifolia (Schrad.) Planch. The analysis was performed using an RP C-18 column (5 µm) as the stationary phase, with a flow rate of 0.8 mL/min, at a wavelength of 210 nm for detection and determination. The main validation parameters of the method were also determined. The calibration curve was found to be linear, with a range of 10-120 µg/mL (EP). The correlation coefficient of the linear regression analysis was within 0.9988, and the detection and quantification limits were 28.61 and 86.77 µg/mL, respectively. The content of EP was successfully determined, with satisfactory reproducibility and recovery. Recovery of the EP was 99.32%. The method was successfully applied to the determination of epicatechin in leaves of M. ilicifolia. The interlaboratorial evaluation showed the reproducibility of the method with a relative standard deviation of 14.62%.info:eu-repo/semantics/openAccessSociedade Brasileira de FarmacognosiaRevista Brasileira de Farmacognosia v.20 n.5 20102010-11-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-695X2010000500022en10.1590/S0102-695X2010005000024 |
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Lopes,Gisely Cristiny Blainski,Andressa Santos,Paulo Victor Pires dos Diciaula,Maria Cristina Mello,João Carlos Palazzo de |
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Lopes,Gisely Cristiny Blainski,Andressa Santos,Paulo Victor Pires dos Diciaula,Maria Cristina Mello,João Carlos Palazzo de Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., Celastraceae |
author_facet |
Lopes,Gisely Cristiny Blainski,Andressa Santos,Paulo Victor Pires dos Diciaula,Maria Cristina Mello,João Carlos Palazzo de |
author_sort |
Lopes,Gisely Cristiny |
title |
Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., Celastraceae |
title_short |
Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., Celastraceae |
title_full |
Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., Celastraceae |
title_fullStr |
Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., Celastraceae |
title_full_unstemmed |
Development and validation of an HPLC method for the determination of epicatechin in Maytenus ilicifolia (Schrad.) Planch., Celastraceae |
title_sort |
development and validation of an hplc method for the determination of epicatechin in maytenus ilicifolia (schrad.) planch., celastraceae |
description |
A simple, reproducible and efficient high-performance liquid chromatography (HPLC) method was developed. Water (0.05% TFA):acetonitrile (0.05% TFA) was used as the mobile phase in a gradient system for the determination of epicatechin (EP) in leaves of Maytenus ilicifolia (Schrad.) Planch. The analysis was performed using an RP C-18 column (5 µm) as the stationary phase, with a flow rate of 0.8 mL/min, at a wavelength of 210 nm for detection and determination. The main validation parameters of the method were also determined. The calibration curve was found to be linear, with a range of 10-120 µg/mL (EP). The correlation coefficient of the linear regression analysis was within 0.9988, and the detection and quantification limits were 28.61 and 86.77 µg/mL, respectively. The content of EP was successfully determined, with satisfactory reproducibility and recovery. Recovery of the EP was 99.32%. The method was successfully applied to the determination of epicatechin in leaves of M. ilicifolia. The interlaboratorial evaluation showed the reproducibility of the method with a relative standard deviation of 14.62%. |
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Sociedade Brasileira de Farmacognosia |
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2010 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-695X2010000500022 |
work_keys_str_mv |
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1756399305588998144 |