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Journal : Science and Technology Indonesia

Phytochemical Profile, Antioxidant Activity and Anticancer Activity of Gamma-Irradiated Black Rice Bran (Oryza sativa L.) Ethanolic Extract: In-Vitro and In-Silico Study Rukmana, Rizal Maarif; Silfarohana, Rantika; Putra, Aditya Dwi Permana; Devi Safrina; Dian Susanti; Nur Rahmawati Wijaya; M Bakti Samsu Adi; Muhammad Evy Prastiyanto; Yanuar Ashari Cahyaningrum; Rina Nurmaulawati; Weka Sidha Bhagawan
Science and Technology Indonesia Vol. 10 No. 2 (2025): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.2.628-643

Abstract

Black rice is a food crop with black pigments, which helps reduce the risk of various diseases and improve health. One way to improve food quality and avoid food contaminants is by irradiating. This study evaluated the phytochemical profile, antioxidant activity, and anticancer activity of irradiated black rice bran extract (IBRBE) in vitro and in silico. Black rice was irradiated with a Gamma cell 220 type irradiator at a 7.5 kGy/hour dose rate. Extraction of irradiated black rice bran was carried out using the maceration method. Phenolic and flavonoid components were quantified using the Folin–Ciocalteau and AlCl3 methods, respectively. Phytochemical compounds were identified by liquid chromatography-high-resolution mass spectrometry (LC HRMS). The antioxidant activity of IBRBE was carried out against 2,2-diphenyl-1picrylhydazyl (DPPH). The cytotoxic activity of IBRBE against WiDr cells (colorectal cancer) and Vero (nonhuman cell lines) used the MT test method. Prediction of the inhibitory mechanism of compounds in the extract against target proteins EGFR and GPX7 was carried out in silico. Total phenolics and flavonoids were 2.57 ± 0.28 mg GAE/g and 19.12 ± 0.18 μg QE/ml, respectively. Twenty-four types of active compounds were obtained in IBRBE. The results of antioxidant activity obtained an IC50 value of 1198.45 ± 92.86 μg/ml. IC50 in WiDr cells and Vero cells were obtained at 36.08 ± 11.71 μg/ml and 570.58 ± 130.25 μg/ml, respectively. In silico results, the compound 4 Dodecylbenzene sulfonic acid has the highest binding affinity to the EGFR protein, with a value of -5.9. Meanwhile, the Monoolein compound has the highest binding affinity to the GPX7 protein, with a value of -5.4.
Co-Authors . Waris Agnis Pondineka Ria Aditama Aissyah Nurfatma Aldida, Jofanza Denis Amaranto, Jennifer Anik Listiyana Annisa, Rahmi Arum Suproborini Arum Suproborini Asri Wido Mukti Asti Rahayu Atiqah, Sri Nur Atiza Fajrin Maulidya Bhagawan, Weka Burhan Ma'arif Burhan Ma’arif Cicilia Novi Primiani Cicilia Novi Primiani Devi Safrina Dewi Ratih Tirto Sari Dian Susanti Donato, Percival Faisal Akhmal Muslikh Fidia Rizkiah Inayatilah Firsta Roisatul Islamiyah Hadya, Chorida Muhjatul Heni Pujiastuti Hison, Jade Huwaida, Fadhila Isma Irawati, Santia Izza Nailia Shirvi Jauhar Maknun Septaza Rahmandika Jayadi, Puguh Krisnamurti, Gabriella Chandrakirana Kurniawan Hidayat Perdana Putra Lestari, Nia Ayu Lisniawati Lisniawati M Bakti Samsu Adi Ma'arif Z.A, Burhan Ma'arif, Burhan Ma'arif, Burhan Mandalawati, Titin Maritha, Vevi Mochammad Amrun Hidayat Muhammad Evy Prastiyanto Norachuriya, Zedny Nur Rahmawati Wijaya Nurfatma, Aissyah Octavia, Nur Ika Peria, Jo Prasetyo, Yona Primiani, Cicilia Novi Primiani, Cicilia Novi Primiani Pujiati Pujiati Pujiati Putra, Aditya Dwi Permana Rahmawati, Eka Diana Rahmi Annisa Ramadhani D.A., Ria Ramdhani, Alfina Widya Retno Susilowati Ria Ramadhani Dwi Atmaja Rina Nurmaulawati Rivera, Alice Rizal Maarif Rukmana, Rizal Maarif Rizkiah, Fidia Roihatul Mutiah Roihatul Mutiah Safitri, Rusiana Yulia Santos, Gema Silfarohana, Rantika Suproborini, Arum Tanghal, Analiza Taufik, Imam Teguh Pamungkas, Rizki Putra Ubaidillah Abdel Barsyaif Yanuar Ashari Cahyaningrum Yaya Sulthon Aziz Yen Yen Ari Indrawijaya Zatalini, Dioni Zatalini, Dioni Fadia