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Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction

In this study, we aimed to develop and validate a pretreatment method for separating and analyzing the small amounts of biomarkers contained in topical cream formulations. Analyzing semisolid formulations that contain low concentrations of active ingredients is difficult. Cream formulations containi...

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Autores principales: Lee, Jin Seok, Nam, Yu Ran, Kim, Hyun Jong, Kim, Woo Kyung
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9866479/
https://www.ncbi.nlm.nih.gov/pubmed/36677776
http://dx.doi.org/10.3390/molecules28020713
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author Lee, Jin Seok
Nam, Yu Ran
Kim, Hyun Jong
Kim, Woo Kyung
author_facet Lee, Jin Seok
Nam, Yu Ran
Kim, Hyun Jong
Kim, Woo Kyung
author_sort Lee, Jin Seok
collection PubMed
description In this study, we aimed to develop and validate a pretreatment method for separating and analyzing the small amounts of biomarkers contained in topical cream formulations. Analyzing semisolid formulations that contain low concentrations of active ingredients is difficult. Cream formulations containing an aqueous ethanol extract of 0.1% Agrimonia pilosa is an example. Approximately 0.0013% of apigenin-7-O-glucuronide(A7OG) was contained as a biomarker in the cream. To determine the A7OG content present in the cream formulation, liquid–liquid extraction using dichlormethane was applied. In addition, the volume of the distribution liquid was measured using the peak ratios of the indicator component, A7OG, and an internal standard, baicalin. Subsequently, the A7OG content in the cream formulation was calculated. Using this time-saving method, A7OG can be simply analyzed without additional pretreatment steps, such as evaporation and reconstitution. Moreover, the validation results confirmed that this analytical method met all of the criteria. Consequently, A7OG was successfully isolated from the cream, analyzed, and quantified using the developed method.
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spelling pubmed-98664792023-01-22 Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction Lee, Jin Seok Nam, Yu Ran Kim, Hyun Jong Kim, Woo Kyung Molecules Article In this study, we aimed to develop and validate a pretreatment method for separating and analyzing the small amounts of biomarkers contained in topical cream formulations. Analyzing semisolid formulations that contain low concentrations of active ingredients is difficult. Cream formulations containing an aqueous ethanol extract of 0.1% Agrimonia pilosa is an example. Approximately 0.0013% of apigenin-7-O-glucuronide(A7OG) was contained as a biomarker in the cream. To determine the A7OG content present in the cream formulation, liquid–liquid extraction using dichlormethane was applied. In addition, the volume of the distribution liquid was measured using the peak ratios of the indicator component, A7OG, and an internal standard, baicalin. Subsequently, the A7OG content in the cream formulation was calculated. Using this time-saving method, A7OG can be simply analyzed without additional pretreatment steps, such as evaporation and reconstitution. Moreover, the validation results confirmed that this analytical method met all of the criteria. Consequently, A7OG was successfully isolated from the cream, analyzed, and quantified using the developed method. MDPI 2023-01-11 /pmc/articles/PMC9866479/ /pubmed/36677776 http://dx.doi.org/10.3390/molecules28020713 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Lee, Jin Seok
Nam, Yu Ran
Kim, Hyun Jong
Kim, Woo Kyung
Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction
title Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction
title_full Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction
title_fullStr Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction
title_full_unstemmed Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction
title_short Quantification and Validation of an HPLC Method for Low Concentrations of Apigenin-7-O-Glucuronide in Agrimonia pilosa Aqueous Ethanol Extract Topical Cream by Liquid–Liquid Extraction
title_sort quantification and validation of an hplc method for low concentrations of apigenin-7-o-glucuronide in agrimonia pilosa aqueous ethanol extract topical cream by liquid–liquid extraction
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9866479/
https://www.ncbi.nlm.nih.gov/pubmed/36677776
http://dx.doi.org/10.3390/molecules28020713
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