Standardizing 1,4-naphthoquinone measurement in Eleutherine palmifolia: An hptlc-densitometry approach

Mutiah, Roihatul ORCID: https://orcid.org/0000-0002-8196-9029, Roziqin, Ahmad Ainur, Fitrianingsih, Avin Ainur ORCID: https://orcid.org/0000-0002-3571-114X, Rachmawati, Ermin ORCID: https://orcid.org/0000-0003-1045-7066, Taufik, Imam and Annisa, Rahmi ORCID: https://orcid.org/0000-0001-7536-5213 (2024) Standardizing 1,4-naphthoquinone measurement in Eleutherine palmifolia: An hptlc-densitometry approach. Journal of Medicinal and Pharmaceutical Chemistry Research, 6. pp. 481-491. ISSN 2981-0213

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Abstract

This study aimed to develop an HPTLC-Densitometry method for identifying and determining the 1,4- naphthoquinone compound in ethanol and water extracts of Eleutherine palmifolia (EP). The method was validated for linearity, accuracy, precision, Limit of Detection (LOD), and Limit of Quantification (LOQ). The linearity is assessed to ensure a linear relationship between the instrument response and various analytical concentrations. Accuracy is measured by comparing the measurement results with reference values or true values. Precision is evaluated through repeated measurements on samples with the same concentration, both within (intra-assay) and between assays (inter-assay). The Limit of Detection (LOD) determines the lowest concentration that can be detected, while the Limit of Quantification (LOQ) determines the lowest concentration that can be measured and quantified accurately with a specific level of confidence. The linearity test yielded an r-value of 0.9976, with an LOD value of 163.6006 ppm and a LOQ value of 495.7595 ppm. The method's accuracy ranged from 80-120%, and the precision value from %RSD was 0.99%. The 1,4-naphthoquinone content in EP ethanol extract was found to be 0.318% (w/w), while in water extract it was 0.092% (w/w). The method meets standard validation requirements and is recommended for use in traditional medicine development due to its high concentration of 1,4- naphthoquinone.

Item Type:	Journal Article
Keywords:	Linearity; method validation; 1,4-naphthoquinone; HPTLC- densitometry
Subjects:	11 MEDICAL AND HEALTH SCIENCES > 1115 Pharmacology and Pharmaceutical Sciences > 111504 Pharmaceutical Sciences
Divisions:	Faculty of Medical and Health Sciences > Department of Medical Education
Depositing User:	Rahmi Annisa
Date Deposited:	17 May 2024 14:17

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