

Development and validation of a simple and rapid UPLC method for the in-vitro estimation of (-)-epigallocatechin-3-gallate in lipid-based formulations
Maha Osama El-Kayal (1,*)




(1) Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University, 12311, Cairo, Egypt
(2) Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, 11381, Egypt
(3) Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, 11381, Egypt
(4) Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University, 12311, Cairo, Egypt
(*) Corresponding Author
Received: 17 Oct 2017 | Revised: 14 Nov 2017 | Accepted: 29 Nov 2017 | Published: 31 Mar 2018 | Issue Date: March 2018
Abstract
(-)-Epigallocatechin gallate (EGCG) is a catechin found in green tea that has potential health benefits, such as anti-oxidant, anti-carcinogenic and anti-inflammatory effects. A rapid and sensitive Ultra-Performance Liquid Chromatographic (UPLC) method was developed and validated for the estimation of (-)-epigallocatechin-3-gallate in lipid-based formulation. The UPLC method was conducted on C18 analytical column (50 mm × 2.1 mm, 1.8 μm particle size). The mobile phase consisted of a mixture of acetic acid (1%, v:v; pH = 3), acetonitrile and water at volume ratio of 13:15:72 delivered at a flow rate of 0.5 mL/min. The diode array detector (DAD) acquisition wavelength was set at wavelengths 210 and 280 nm. Caffeine was used as internal standard. The tested validation parameters, i.e., selectivity, linearity, accuracy, precision, and sensitivity (Limit of detection and limit of quantification) were determined at both wavelengths. Results revealed that caffeine and EGCG peaks were eluted at retention times of 0.55 and 0.85 minutes, respectively. The calibration curve was linear over the concentration range of 10-60 μg/mL, with coefficients of determination (r2) of 0.9993 and 0.9998 nm at 210 and 280 nm, respectively. All the validation parameters were found within the acceptable range. The proposed method was successfully applied for the quantitation of EGCG in lipid-based formulation and statistical analysis with a reported method showed no significant difference at p < 0.05. Therefore, the proposed analytical method for EGCG can be considered as a rapid, selective and accurate analytical method that can be used for the quantitative analysis of EGCG.
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European Journal of Chemistry
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DOI: 10.5155/eurjchem.9.1.7-12.1661
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Funding information
Future University in Egypt.
Citations
[1]. Maha El-Kayal, Maha Nasr, Seham Elkheshen, Nahed Mortada
Colloidal (-)-epigallocatechin-3-gallate vesicular systems for prevention and treatment of skin cancer: A comprehensive experimental study with preclinical investigation
European Journal of Pharmaceutical Sciences 137, 104972, 2019
DOI: 10.1016/j.ejps.2019.104972

[2]. Iyyakkannu Sivanesan, Manikandan Muthu, Anusha Kannan, Suraj Shiv Charan Pushparaj, Jae-Wook Oh, Judy Gopal
Identification of Epigallocatechin-3-Gallate (EGCG) from Green Tea Using Mass Spectrometry
Separations 9(8), 209, 2022
DOI: 10.3390/separations9080209

[3]. Ramakrishna U. V., Shyam Sunder R., Rajesh Kumar K., Sukesh Narayan Sinha, Marina Pinheiro
Method development and validation for rapid identification of epigallocatechin gallate using ultra-high performance liquid chromatography
PLOS ONE 15(1), e0227569, 2020
DOI: 10.1371/journal.pone.0227569

[4]. Ayman Ismail, Moataz Gamal, Maha Nasr
Optimization of Analytical Method for Simultaneous Determination of Acetaminophen, Caffeine, and Aspirin in Tablet Dosage Form
Pharmaceutical Chemistry Journal 56(12), 1682, 2023
DOI: 10.1007/s11094-023-02844-x

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