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Journal : Jurnal Katalisator

ANTIOXIDANT POTENTIAL OF EXTRACT OF BLACK RICE, BAJAKAH WOOD ROOT AND KEBIUL SEED Yesti, Yulia; Kintoko, Kintoko; Nugraha, Ari Satia; Putra, Billy Harnaldo; Gusriyani, Sri; Saputra, Harry Ade; Alfarisyi, Muhammad Iqbal
JURNAL KATALISATOR Vol. 10 No. 2 (2025): Jurnal Katalisator, Volume 10 No 2 Oktober 2025
Publisher : LLDIKTI X Sumbar, Riau, Jambi, Kepri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62769/katalisator.v10i2.3457

Abstract

Exposure to free radicals and oxidative stress are major factors in various degenerative diseases, such as cardiovascular disease, diabetes, cancer, and neurodegenerative diseases. Therefore, the use of natural antioxidant sources is important to reduce the negative effects of free radicals. This study compares the natural antioxidant potential of black rice, bajakah root, and kebiul seeds, whereas previous studies have only identified the antioxidant potential of a single natural ingredient. This study aims to measure the antioxidant potential, such as total polyphenols, total flavonoids, and antioxidant activity, of these three natural materials using distilled water, 70% ethanol, and 96% ethanol as solvents. The experimental research method involved testing antioxidant activity and measuring total phenolics and flavonoids. The results showed that the 70% ethanol extract of black rice had the highest total polyphenol content at 6.83±0.28 mgGAE/g (0.007±0.00%), the 70% ethanol extract of bajakah wood root had the highest flavonoid content at 8.77±0.02 mgQE/g (0.009±0.00%), and the distilled water extract of kebiul seeds showed the strongest antioxidant activity based on an IC50 value of 5.96 ± 0.01 ppm. This study concluded that black rice has potential as a primary source of phenolics and anthocyanins, while bajakah wood root and kebiul seeds are sources of flavonoids with strong antioxidant activity.
Co-Authors Akrom, Akrom Alfarisyi, Muhammad Iqbal Ananda, Aghnia Nabila Anggraeni, Linda Suci Ari Satia Nugraha Aris Setyawan Ariyanti, Lusi Mardika Astuti, Andarweni Atmarani, Rizki Essa aviory, koryna Ayu Shabrina Billy Harnaldo Putra, Dini Fatmi, Botutihe, Lisa Agustina Cahayani, Devita Mika Cendekiawan, Khrisna Dani Kusuma Desmayanti, Astri Dhian Arista Istikomah Dian Aprilia, Dian Dona, Suzana Dwi Utami Eka Siswanto Syamsul Epi Taufik Faisal Nur Arib Fajar Fajar Farid , Muhammad Ferani Mulianingsih Gunawan Gunawan Gunawan, Adhi Gusriyani, Sri Gustinanda, Rizky Hadi Siswanto, Deny Hardi Astuti Witasari Hari Susanti Harry Ade Saputra Hasana, Siti Nur Hutari, Andri Iis Wahyuningsih Ilmia, Nisrien Indahsari, Kharisma Safitri Nur Jana, Padrul Khrisna Agung Cendekiawan Khusnul, Latifah Kusumo, Djati Wulan Lestariningrum, Wahyu Titis M. Yogi Riyantama Isjoni Maghfirah, Yolanda Sajjida Makati, Annisa Camellia Mehta, Kunal Meki Pranata Mochammad Saiful, Bachri Muhammad Iqbal Birsyada Muldiyana, Tya Mustofa Ahda Mutti, Annisa Aulia Nanik Sulistyani Nina Widyaningsih, Nina Ningrum, Lailatul Fitria Nining Sugihartini Novitasari, Putri Rachma Nur Arib, Faisal Nurkhasanah Mahfudh Nurlita, Tasya Nuryani, Eva Oktavia, Lisa Pamungkas, Megita Dwi Poerwahyuningrum, Neny Pulhehe, Hasni Rangkuti, Ahmad Faizal Ranti, Imaniar Rejeki, Marsudi Endang Sri Restu Ayu Mumpuni, Restu Ayu Ridho, Anisa Rifka Rifki Febriansah Rohma, Siti Rohmah, Lely Arbiati Nur Rukaya, Benazir Evita Sa’adah, Hayatus Safira, Rizka Santoso, Blegoh Iwan Sapto Yuliani Saputri, Ginanjar Zukhruf Septian Aji Permana Septiana Wijayanti Setianingrum, Ervina Setiyawati, Fitri Indah Shary, Aprilya Kumala Siswanto, Deny Hadi Sri Budiarti, Nur Idha Suhendra Suhendra Sulistyani , Nanik Sunanti, Titis Supomo Supomo Suryaningsih, Andri Susetyawati, MM Endang Susetyawati, MM. Endang Susetyowati, MM Endang Tri Puspita Yuliana Urmatul Waznah Utami, Febri Via Yustitia Wahyu Widyaningsih Wahyuni, Dina Wardhani, Firda Aprillia Wardhani, Firdha Aprillia Warniasih, Kristina Widyaningrum, Rachmawati Wuryandari, Tutik Wuryandari, Tutik Yanti, Asti Afrida Yuli Nurullaili Efendi, Yuli Nurullaili Yulia Yesti, Yulia Yulianto Yulianto Yuni Suprapto, Yuni