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Phytochemical Screening and Antioxidant Activities of Ethanolic Extracts of Metaxya parkeri (Hook. & Grev.) J.Sm.

Proceedings Academic Universitas Jambi · Vol. 2 No. 2 (2026) · hlm. 291–300

DOI
10.22437/proca.v2i2.55583
Terbit
2026-07-15
Penerbit
LPPM Universitas Jambi
Bahasa
en
Lisensi
creativecommons.org/licenses/by/4.0

Abstrak

Background: Metaxya parkeri (Hook. & Grev.) J.Sm. is a fern species whose pharmacological potential has not been extensively explored. Objective: This study aimed to screen phytochemical compounds and evaluate the antioxidant activity of ethanolic extracts from the petiole and pinnae of M. parkeri. Methods: Extraction was performed using maceration with 96% ethanol. Qualitative phytochemical screening was conducted to detect alkaloids, flavonoids, saponins, tannins, and terpenoids. Antioxidant activity was determined using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method and expressed as the inhibitory concentration 50 (IC50). Results: Both petiole and pinnae extracts tested positive for alkaloids, tannins, saponins, and flavonoids. The ethanolic extracts exhibited weak antioxidant activity, with IC50 values of 160.54 ± 4.63 ppm for the petiole and 117.81 ± 0.61 ppm for the pinnae, whereas ascorbic acid as the positive control demonstrated strong activity (44.75 ± 0.67 ppm). Conclusion: M. parkeri contains bioactive compounds; however, their concentration in the crude ethanolic extract may be insufficient to produce strong antioxidant activity, suggesting the need for further extraction or purification methods.

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Sumber metadata: OAI-PMH (metadata jurnal) https://online-journal.unja.ac.id/index.php/PROCA/oai, pertama di-harvest 6 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Phytochemical Screening and Antioxidant Activities of Ethanolic Extracts of Metaxya parkeri (Hook. &amp; Grev.) J.Sm.</dc:title>
	<dc:creator xml:lang="en">Andini Vermita</dc:creator>
	<dc:creator xml:lang="en">Husnudin, Uni Baroroh</dc:creator>
	<dc:creator xml:lang="en">Erliana, Dina</dc:creator>
	<dc:creator xml:lang="en">Ekasari, Munifilia</dc:creator>
	<dc:creator xml:lang="en">Destiana, Anggari Linda</dc:creator>
	<dc:subject xml:lang="en">Metaxya parkeri</dc:subject>
	<dc:subject xml:lang="en">antioxidant</dc:subject>
	<dc:subject xml:lang="en">DPPH</dc:subject>
	<dc:subject xml:lang="en">phytochemicals</dc:subject>
	<dc:subject xml:lang="en">ethanolic extract</dc:subject>
	<dc:description xml:lang="en">Background: Metaxya parkeri (Hook. &amp;amp; Grev.) J.Sm. is a fern species whose pharmacological potential has not been extensively explored. Objective: This study aimed to screen phytochemical compounds and evaluate the antioxidant activity of ethanolic extracts from the petiole and pinnae of M. parkeri. Methods: Extraction was performed using maceration with 96% ethanol. Qualitative phytochemical screening was conducted to detect alkaloids, flavonoids, saponins, tannins, and terpenoids. Antioxidant activity was determined using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method and expressed as the inhibitory concentration 50 (IC50). Results: Both petiole and pinnae extracts tested positive for alkaloids, tannins, saponins, and flavonoids. The ethanolic extracts exhibited weak antioxidant activity, with IC50 values of 160.54 ± 4.63 ppm for the petiole and 117.81 ± 0.61 ppm for the pinnae, whereas ascorbic acid as the positive control demonstrated strong activity (44.75 ± 0.67 ppm). Conclusion: M. parkeri contains bioactive compounds; however, their concentration in the crude ethanolic extract may be insufficient to produce strong antioxidant activity, suggesting the need for further extraction or purification methods.</dc:description>
	<dc:publisher xml:lang="en">LPPM Universitas Jambi</dc:publisher>
	<dc:date>2026-07-15</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://online-journal.unja.ac.id/PROCA/article/view/55583</dc:identifier>
	<dc:identifier>10.22437/proca.v2i2.55583</dc:identifier>
	<dc:source xml:lang="en">Proceedings Academic Universitas Jambi; Vol. 2 No. 2 (2026): The 3rd Jambi International Conference On Engineering, Science and Technology (JICEST); 291-300</dc:source>
	<dc:source>10.22437/proca.v2i2</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://online-journal.unja.ac.id/PROCA/article/view/55583/25058</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2026 PROCA UNJA</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by/4.0</dc:rights>
</oai_dc:dc>