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The total phenolic content, total flavonoid content and antioxidant properties of E.tirucalli L. extract partitioned using different solvents

Sangar, Mangalagowri and Mohammad, Nur Farahiyah and Md Saleh, Siti Shuhadah and Ibrahim, Alwani and Kasim, Khairul Farihan and Mohd Nasir, Nashrul Fazli and Mohd Daud, Farah Diana and Navea, Roy Francis (2025) The total phenolic content, total flavonoid content and antioxidant properties of E.tirucalli L. extract partitioned using different solvents. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 126 (1). pp. 171-180. ISSN 2289-7879

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Abstract

E.tirucalliL. is a succulent plant native to Africarenownedfor its medicinal properties and antioxidant activity. This study aimed to evaluate the total phenolic and flavonoid content as well as theantioxidant activity of E.tirucalliL. extracts obtained using different solvents. Aqueous ethanol, hexane, and dichloromethane were used for extraction through Soxhlet extraction and partitioning. The total phenolic content was highest in the aqueous ethanol extract (2.501 mg GAE/g), followed by hexane (0.110 mg GAE/g) and dichloromethane (0.050 mg GAE/g) extracts. Similarly, the total flavonoid content was highest in the aqueous ethanol extract (1.307 mg QE/g), followed by hexane (0.164 mg QE/g) and dichloromethane (0.061 mg QE/g) extracts. The DPPH assay demonstratedthat the aqueous ethanol extract exhibited the highest radical scavenging activity (RSA) with an IC50value of 36.89 ± 0.05 μg/mL, followed by dichloromethane (50.94 ± 0.39 μg/mL) and hexane (62.42 ± 1.34 μg/mL) extracts. These findings indicate that aqueous ethanol is an effective solvent for extracting phenolic and flavonoid compounds with potent antioxidant activity from E.tirucalliL. extracts.

Item Type: Article (Journal)
Uncontrolled Keywords: E.tirucalliL.;total phenolic content;DPPH;total flavonoid content
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401 Materials of engineering and construction
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Kulliyyah of Engineering
Depositing User: DR FARAH DIANA MOHD DAUD
Date Deposited: 18 Dec 2025 15:17
Last Modified: 18 Dec 2025 15:17
Queue Number: 2025-12-Q690
URI: http://irep.iium.edu.my/id/eprint/125459

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