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Flavonoids from Limau Peel (Citrus amblycarpa (Hassk.) Ochse) and Their Antioxidant Activity

Molekul: Jurnal Ilmiah Kimia · Vol. 17 No. 2 (2022) · hlm. 193–199

DOI
10.20884/1.jm.2022.17.2.5430
ISSN
2503-0310, 1907-9761
Terbit
2022-07-21
Penerbit
Universitas Jenderal Soedirman
Bahasa
eng

Abstrak

Citrus amblycarpa (Hassk.) Ochse is an endemic Indonesian plant from West Java. This study aims to determine the chemical structure of the flavonoid compounds of C. amblycarpa peel ethanol extract and their antioxidant activity. Three flavonoid compounds, namely 5-hydroxy-3',4',6,7,8-pentamethoxyflavone (1), 8-hydroxy-3,3',4',5,6,7-hexamethoxyflavone (2), and 3',4',5,6,7,8-hexamethoxyflavone (3), were isolated for the first time from the ethanol extract of C. amblycarpa peel. Their chemical structure was determined by spectroscopic methods (MS, IR, 1H-NMR, 13C-NMR, and DEPT) and compared with previous reported spectral data. Furthermore, these compounds were evaluated for their antioxidant activity using the DPPH method. The results showed that 8-hydroxy-3,3',4',5,6,7-hexamethoxyflavone (2) has the highest antioxidant activity with IC50 value of 121.09 ± 0.24 ppm.

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  • Padjadjaran University
  • National Research and Innovation Agency
  • Yamagata University
  • Universiti Sains Malaysia
  • Mulawarman University
  • Sam Ratulangi University
  • University of Malaya
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Rekan penulisOrganisasiArtikel bersama
Nurlelasari NurlelasariPadjadjaran University28
Desi HarnetiPadjadjaran University25
Tri MayantiPadjadjaran University22
Rani MaharaniPadjadjaran University20
Al Arofatus NainiPadjadjaran University18
Sofa FajriahNational Research and Innovation Agency17
Yoshihito ShionoYamagata University16
Ace Tatang HidayatPadjadjaran University13
Darwati DarwatiPadjadjaran University11
Tati HerlinaPadjadjaran University10
Hadi KuncoroMulawarman University10
Mohamad Nurul AzmiUniversiti Sains Malaysia9
Fajar Fauzi AbdullahPadjadjaran University7
Wahyu SafriansyahPadjadjaran University6
Dewa Gede KatjaSam Ratulangi University5
Erina HilmayantiPadjadjaran University5
Risyandi AnwarUniversitas Muhammadiyah Semarang5
Desi Harneti Putri HuspaPadjadjaran University5
Khalijah AwangUniversity of Malaya4
Harizon HarizonUniversitas Jambi4
Muhammad HanafiNational Research and Innovation Agency4
Mohamad Azlan NafiahSultan Idris Education University4
Ferry Ferdiansyah SofianPadjadjaran University4
Sandra Amalia RiyadiPadjadjaran University3
Agus SafariPadjadjaran University3
Sari PurbayaUniversitas Jenderal Achmad Yani3
Aprilia Permata SariPadjadjaran University3
Rurini RetnowatiUniversity of Brawijaya3
Arif Rahman HakimPadjadjaran University3
Achmad ZainuddinPadjadjaran University3
Ronny LesmanaPadjadjaran University2
Raihan Fathurrahman HasbillaPadjadjaran University2
Susianti SusiantiPadjadjaran University2
Ricson P. HutagaolUniversitas Nusa Bangsa2
Dikdik KurniaPadjadjaran University2
Dadan SumiarsaPadjadjaran University2

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Sumber metadata: OAI-PMH (metadata jurnal) https://jos.unsoed.ac.id/index.php/jm/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US"> Flavonoids from Limau Peel (Citrus amblycarpa (Hassk.) Ochse) and Their Antioxidant Activity</dc:title>
	<dc:creator>Dewi, Kristin Shinta</dc:creator>
	<dc:creator>Julaeha, Euis</dc:creator>
	<dc:creator>Farabi, Kindi</dc:creator>
	<dc:creator>Supratman, Unang</dc:creator>
	<dc:description xml:lang="en-US">Citrus amblycarpa (Hassk.) Ochse is an endemic Indonesian plant from West Java. This study aims to determine the chemical structure of the flavonoid compounds of C. amblycarpa peel ethanol extract and their antioxidant activity. Three flavonoid compounds, namely 5-hydroxy-3',4',6,7,8-pentamethoxyflavone (1), 8-hydroxy-3,3',4',5,6,7-hexamethoxyflavone (2), and 3',4',5,6,7,8-hexamethoxyflavone (3), were isolated for the first time from the ethanol extract of C. amblycarpa peel. Their chemical structure was determined by spectroscopic methods (MS, IR, 1H-NMR, 13C-NMR, and DEPT) and compared with previous reported spectral data. Furthermore, these compounds were evaluated for their antioxidant activity using the DPPH method. The results showed that 8-hydroxy-3,3',4',5,6,7-hexamethoxyflavone (2) has the highest antioxidant activity with IC50 value of 121.09 ± 0.24 ppm.</dc:description>
	<dc:publisher xml:lang="en-US">Universitas Jenderal Soedirman</dc:publisher>
	<dc:date>2022-07-21</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://jos.unsoed.ac.id/index.php/jm/article/view/5430</dc:identifier>
	<dc:identifier>10.20884/1.jm.2022.17.2.5430</dc:identifier>
	<dc:source xml:lang="en-US">Molekul; Vol 17 No 2 (2022); 193-199</dc:source>
	<dc:source>2503-0310</dc:source>
	<dc:source>1907-9761</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jos.unsoed.ac.id/index.php/jm/article/view/5430/3184</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2022 Molekul</dc:rights>
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