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Journal : Indonesian Food Science and TechnologyJournal

Effect of Soaking Time on the Physicochemical Characteristics, Antioxidant Activity, and Glycemic Index of Parboiled Local Cultivar Black Rice from West Sumatra Nasution, Saidah Nauli; Nazir, Novizar; Wellyalia, Wellyalina; Azmi, Aida Firdaus Muhammad Nurul; Hariry, Amelia
Indonesian Food Science and Technology Journal Vol. 7 No. 1: Volume 7. Number 1, December 2023 |IFSTJ|
Publisher : Department of Technology of Agricultural product (THP) Jambi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/ifstj.v7i1.30897

Abstract

Black rice, originating from Sariak Alahan Tigo in Solok Regency, is one of the indigenous rice varieties found in West Sumatra. Black rice is a cereal variety that has a low glycemic index and is rich in phytochemical substances called anthocyanins. These compounds act as antioxidants, helping to prevent diabetes and preserve the cardiovascular system. The procedure of parboiling involves varying the period of grain soaking in order to maximize the health advantages of anthocyanins found in black rice. The study utilized a completely randomized design (CRD) consisting of 5 treatments and 3 duplicates. The treatment protocol utilized in this experiment consisted of A (control), B (grain immersion for 2 hours), C (grain immersion for 3 hours), D (grain immersion for 4 hours), and E (grain immersion for 5 hours). The data acquired were evaluated using analysis of variance (ANOVA) and subsequently subjected to Duncan's Multiple Range (DNMRT) analysis at a significance level of 5%. The study findings indicate that the duration of grain soaking has a notable impact on various factors, including water content, starch levels, amylose and amylopectin levels, antioxidant activity, starch digestibility (in vitro), glycemic index values, taste, and texture. Nevertheless, the duration of grain soaking does not have any discernible impact on the physical hue, sensory hue, or fragrance of parboiled black rice. The treatment that is most favored according to the results of the sensory study is treatment D, which has a color rating of 3.86 (like), a fragrance rating of 3.91 (like), a taste rating of 3.91 (like), and a texture rating of 3.81 (like).
Co-Authors AA Sudharmawan, AA AAM Semariyani AANS Girindra ADIF, RIANDY MARDHIKA AFMN Azmi Aisman Aisman Alfi Asben Amelia Hariry Anak Agung Sagung Putri Risa Andriani Andriani, Novia Anwar Kasim Aprialis Aprialis Aprialis, Aprialis Aswin, Shabrina Nashya Atqonnul Fadli Azmi, AFMN Azmi, Aida Firdaus Muhammad Nurul Bangun, Sri Melda Br Benni Satria Camelia Panatarani Camelia Panatarani Candra, IP Cesar Wellya Refdi Cesar Welya Refdi Daimon Syukri DAJ Kusuma Danar Praseptiangga Desniorita Desniorita Dewi Larasati Dewi Larasati, Dewi Diana Sylvi Dina Rahmayanti Dinata, Wanda Krisna Dzulqa, Rahma Dzulqa Eko Rini Indrayatie Emil Salim Erwin Ery Pratiwi F Failisnur Fachrur Rozi Faidil Tanjung Fansukri, Abdullah Haekal Marzie Farida Yani Fauzan Azima Felga Zulfia Radiana Felga Zulfia Rasdiana Felga Zulfia Rasiana Firda Aulya Syamani Firdawati Firdawati Fitriana, Ika fitriana, ika Fiza, Nora Fransiska Angelina G Rezekinta Girindra, AANS Gumala, Rilda Gunarif Taib Gustiarini Rika Putri Hardisman Hariry, Amelia Hasbullah Hasbullah Haslina Haslina Haslina Haslina Hathiqah, Nurul Hendra Saputra Hendra Saputra Hendra Saputra Heni Pujiastuti Hermiza Mardesci Hijratun Amini IBO Prastiawan Idil Saputra IGP Mangku IKOB Mulia Ilyas, R.A Insannul Kamil, Insannul IP Candra IPAR Putra Irfan Suliansyah Ismed Ismed Ismed Ismed IW Sudiarta IW Winduyasa Jufriadif Na`am, Jufriadif Kamil, Insannul Krisnawan Kalimutu Kusuma, DAJ Lee, Tzong-Ru (Jiun-Shen) Leffy Hermalena Lipoeto, Nur Indrawati Lubis, Alfian Syukri Lucia Saraswati Luh Suriati Luh Suriati Malrianti, Yefsi Mangku, IGP Masrul Djalal Masrul Djalal Masrul, Masrul Melinda Noer Mulia, IKOB Nalwida Rozen Nasution, Saidah Nauli Neswati Neswati Neswati Neswati Ni Luh Putu Putri Setianingsih Nika Rahma Yanti Nilma Yuliza Nilma Yuliza, Nilma Ninsix, Retti NLPYM Pratiwi NMAS Singapurwa Nofialdi, Nofialdi Norman Ferdinal Novelina Novia Andriani NPP Setianingsih Nurul Hathiqah Prastiawan, IBO Pratiwi, Ery Pratiwi, NLPYM Purnama Dini Hari Putra, IPAR Rahma Dzulqa Dzulqa RAHMAT SYAHNI Rahmatika Rahmatika Rahmatika, Rahmatika Rahmayani Rahmayani Rasyid, Rosfita Reni Koja Retti Ninsix Riandy Mardhika Adif Rika Ampuh Hadiguna Rilda Gumala Rina Yenrina Rince Alfia Fadri Rince Alfia Fadri Rini B Rini Rini Rizki Aziz Rozi Atifah Nur RR. Ella Evrita Hestiandari Salim, Emil Santosa Santosa Santosa Santosa Santosa Santosa Santosa Santosa Saputra, Idil Sari, Wiwit Juita Sayuti, Kesuma Semariyani, AAM Setianingsih, NPP SFM Zamri Shabrina Nashya Aswin Shabrina Nashya Aswin Shinta Mutia Sari Singapurwa, NMAS Siregar, Rahmad Syukur Sudiarta, IW Syukri Arief Syukri Arif Tuty Anggraini W. Widiyastuti Wanda Krisna Dinata Warnita Wellyalina, Wellyalina Welya Refdi, Cesar Widyatmani Sih Dewi Winduyasa, IW Wiwit Juita Sari Yani, Farida Yaswan, Rendri Yonariza Yonariza Yurniwati Yurniwati Yusniwati Yusniwati Zaadah Zaadah Zaadah, Zaadah Zamri, SFM