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Ornamental and Medicinal Plants, 2023, 6(1-4): 1-17
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Article

Ethnomedicinal use and qualitative analysis of phytochemicals from an ethanolic extract of the fresh and dried leaves of the Mexican sunflower (Tithonia diversifolia)

Charisa Bee Aleonar1, Mark Anthony J. Torres1,2,3, Chin-Chin J. Demayo1,2,3, Cesar G. Demayo1,2,3
1Department of Biological Sciences, College of Science and Mathematics, MSU-Iligan Institute of Technology, Iligan City, Philippines
2School of Interdisciplinary Studies/Institute of Peace and Development in Mindanao, MSU-Iligan Institute of Technology, Iligan City, Philippines
3Center of Integrative Health, Premier Research Institute of Science and Mathematics, MSU-Iligan Institute of Technology, Iligan City, Philippines

Received 5 December 2023;Accepted 10 December 2023;Published 25 December 2023
IAEES

Abstract
The ethnomedicinal use and evaluation of an ethanolic extract of the fresh and dried leaves of Mexican Sunflower (Tithonia diversifolia) were investigated for antimicrobial and antioxidantproperties by phytochemical, ferric-reducing antioxidant power (FRAP) assay and GC-MS analysis. Phytochemical analysis of this plant confirms the presence of various phytochemicals like saponins, steroids, alkaloids, flavonoids, and tannins. The total antioxidant activity measured by ferric reducing antioxidant power (FRAP) assay showed the potential use of this plant as antioxidant source. Gas Chromatography-Mass Spectrometry (GC-MS) analysis revealed a total of thirteen known compounds in T. diversifolia. Only hexadecanoic acid and ethyl ester, identified by GC-MS, are known to have antimicrobial and antioxidant properties. These findings demonstrate that ethanolic extract from fresh and dry leaves of T. diversifolia exhibits medicinal properties and, thus, is a good source of natural health substances.

Keywords Tithonia diversifolia;antimicrobial;antioxidant;ferric reducing antioxidant power (FRAP);gas chromatography-mass spectrometry (GC-MS).


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