European Journal of Chemistry 2018, 9(1), 7-12. doi:10.5155/eurjchem.9.1.7-12.1661

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,*) orcid , Maha Nasr Sayed (2) orcid , Nahed Dawood Mortada (3) orcid , Seham Elkheshen (4) orcid

(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, Accepted: 29 Nov 2017, Published: 31 Mar 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.


Keywords


Caffeine; Validation; Method development; Lipid-based formulation; Epigallocatechin gallate; Ultra-performance liquid chromatography

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DOI: 10.5155/eurjchem.9.1.7-12.1661

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[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
/


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How to cite


El-Kayal, M.; Sayed, M.; Mortada, N.; Elkheshen, S. Eur. J. Chem. 2018, 9(1), 7-12. doi:10.5155/eurjchem.9.1.7-12.1661
El-Kayal, M.; Sayed, M.; Mortada, N.; Elkheshen, S. Development and validation of a simple and rapid UPLC method for the in-vitro estimation of (-)-epigallocatechin-3-gallate in lipid-based formulations. Eur. J. Chem. 2018, 9(1), 7-12. doi:10.5155/eurjchem.9.1.7-12.1661
El-Kayal, M., Sayed, M., Mortada, N., & Elkheshen, S. (2018). Development and validation of a simple and rapid UPLC method for the in-vitro estimation of (-)-epigallocatechin-3-gallate in lipid-based formulations. European Journal of Chemistry, 9(1), 7-12. doi:10.5155/eurjchem.9.1.7-12.1661
El-Kayal, Maha, Maha Nasr Sayed, Nahed Dawood Mortada, & Seham Elkheshen. "Development and validation of a simple and rapid UPLC method for the in-vitro estimation of (-)-epigallocatechin-3-gallate in lipid-based formulations." European Journal of Chemistry [Online], 9.1 (2018): 7-12. Web. 19 Nov. 2019
El-Kayal, Maha, Sayed, Maha, Mortada, Nahed, AND Elkheshen, Seham. "Development and validation of a simple and rapid UPLC method for the in-vitro estimation of (-)-epigallocatechin-3-gallate in lipid-based formulations" European Journal of Chemistry [Online], Volume 9 Number 1 (31 March 2018)

DOI Link: https://doi.org/10.5155/eurjchem.9.1.7-12.1661

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