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All Journal JSMARTech : Journal of Smart Bioprospecting and Technology Borneo Journal of Biology Education (BJBE)
Ma’rifah, Shofia Jannatul
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Other

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Analisis Aktivitas Antioksidan pada Ekstrak Jagung Muda (Zea mays L.) dengan menggunakan Metode DPPH Ma’rifah, Shofia Jannatul; Wahidah, Shinta Nuriyah; Azizah, Nur; Jamilah, Zahrotul; Wati, Dwi Kartika; Arianti, Leny Ardini; Maulidya, Sabrina Dita; Mudzakaroh, Luluk; Safitri, Dewi Astriana; Rafsanjani, Ramizard; Januarista, Terra; Faisal, Faisal; Ramadhan, Majida
Borneo Journal of Biology Education (BJBE) Vol 6, No 2 (2024): Oktober
Publisher : Faculty of Teacher Training and Education Biology Education Departement

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/bjbe.v6i2.5585

Abstract

Pada penelitian ini kami menggunakan jagung muda sebagai pembaharu dari penelitian sebelumnya. Jagung muda merupakan jagung yang masih tergolong mudah (belum berbiji) biasa disebut dengan jagung semi, janggel. Jagung memiliki kandungan fenolik, flavonoid dan tannin yang berguna sebagai antioksidan, yang mampu menghambat dan melindungi radikal bebas. Penelitian ini dilakukan untuk menguji aktivitas ektrak jagung muda menggunakan metode DPPH dengan pelarut etanol. Untuk mengetahui aktivitas antioksidan suatu tanaman, salah satu pengukuran yang paling umum dengan menggunakan metode DPPH (2,2-difenil-1-pikrilhidrazil). Hasil antioksidan pada ekstrak jagung muda (Zea mays L.) menggunakan metode DPPH dengan spektrofotometri UV-Vis menunjukkan bahwa nilai IC50 pada jagung muda (Zea mays L.) sebesar 257,92. Sehingga dapat disimpulkan bahwa aktivitas antioksidan ekstrak jagung muda (Zea mays L.) termasuk kategori sangat lemah.
Characterization and Identification of Phytochemical Compounds Soursop Leaf Extract (Annona muricata L.) Amrullah, Kammal Nizam Amrullah; Ma’rifah, Shofia Jannatul; Azizah, Nur; Jamilah, Zahrotul; Safitri, Dewi Astriana; Bawani, Elen Ayu; Ramadhan, Majida; Hayati, Ari; Nafisa; Mahyantika, Seftya Putri
JSMARTech: Journal of Smart Bioprospecting and Technology Vol. 6 No. 2 (2025): Vol. 6 No. 2 (2025): JSMARTech Volume 6, No 2, 2025
Publisher : JSMARTech

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jsmartech.2025.006.02.07

Abstract

Soursop leaves (Annona muricata L.) have long been used in traditional medicine in Indonesia to treat various diseases. This study aimed to characterize and identify phytochemical compounds present in soursop leaf extract. The analysis was carried out using UV-Visible spectrophotometric, FT-IR spectroscopy, and phytochemical screening to identify the presence of bioactive compounds such as alkaloids, flavonoids, and tannins. UV-Visible spectrophotometric analysis showed a characteristic of the isoflavone spectrum with two absorption peaks of 310-330 nm. FT-IR revealed strong absorption at 3380 cm-1 (O-H group), 1737 cm-¹ (C=O group), and 718 cm-1 (C-H alkene group), along with moderate absorption at 2922 cm-1 and 2852 cm-2 (C-H alkane group) and 1650 cm-1 (C=C alkene group). The total flavonoid content of the extract was 89.201 mg/g at 1000 ppm and 87.220 mg/g at 500 ppm. These findings indicate that soursop leaves are rich in flavonoids and other bioactive compounds with potential medicinal value.   Keywords: Soursop leaves, UV-Visible, FT-IR, phytochemical screening, total flavonoids
Co-Authors Amrullah, Kammal Nizam Amrullah Ari Hayati Arianti, Leny Ardini Bawani, Elen Ayu Faisal Faisal Jamilah, Zahrotul Januarista, Terra Mahyantika, Seftya Putri Maulidya, Sabrina Dita Mudzakaroh, Luluk Nafisa Nur Azizah Rafsanjani, Ramizard Ramadhan, Majida Safitri, Dewi Astriana Wahidah, Shinta Nuriyah Wati, Dwi Kartika