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All Journal Seminar Nasional Lahan Suboptimal
Indriyani Syafutri, Merynda
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Agriculture, Biological Sciences & Forestry Other

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Penurunan Kadar Oksalat Pati Talas Beneng (Xanthosoma undipes K. Koch) pada Berbagai Konsentrasi NaCl dan Lama Perendaman Agustin, Nur Aini; Indriyani Syafutri, Merynda; Yanuriati, Anny; Malahayati, Nura; Aryani, Desi; Airlangga, Trubus
Seminar Nasional Lahan Suboptimal Vol 10, No 1 (2022): Prosiding Seminar Nasional Lahan Suboptimal ke-10 “Revitalisasi Sumber Pangan N
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Agustin NA, Syafutri MI, Yanuriati A, Malahayati N, Aryani D, Airlangga T. 2022. Decreasing oxalate levels of taro beneng (Xanthosoma undipes K. Koch) starch at various NaCl concentrations and soaking time. In: Herlinda S. et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang 27 Oktober 2022. pp. 199-207. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Starch is a group of polysaccharides composed of amylose and amylopectin. Taro beneng (Xanthosoma undipes K. Koch) is one of local commodity tubers that has the potential to be used as starch. The problem with taro beneng is content of oxalate which is in water soluble (oxalic acid) and insoluble (calcium oxalate) forms. This study aimed to determine the effect of NaCl concentrations and soaking time on reducing oxalate levels and oxalate reduction values of taro beneng starch. This study used a Factorial Completely Randomized Design (CRD) with two treatment factors, namely NaCl concentrations (5%; 7.5% and 10%) and soaking time (30 minutes; 60 minutes and 90 minutes). The results showed that the difference in NaCl concentrations and soaking time had significant effect on the decrease in oxalate levels and the increase in oxalate reduction values of taro beneng starch. Taro beneng starch soaked for 90 minutes in 10% NaCl solution was the best treatment, because it had the lowest oxalate level (2700 ppm) and the highest reduction value (93.18%).
Menduga Umur Simpan Kemplang yang Dimatangkan Menggunakan Microwave berdasarkan Persamaan Arrhenius Parwiyanti, Parwiyanti; Yulistika, Efri; Rosidah, Umi; Lidiasari, Eka; Indriyani Syafutri, Merynda
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Parwiyanti, P., Yulistika, E., Rosidah, U., Lidiasari, E., & Syafutri, M. I. (2023). Estimation shelf life of microwavable fish crackers using the arrhenius reaction kinetics equation. In: Herlinda, S. et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 110-117).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Microwavable fish crackers had hygroscopic properties so it needs to be packaged properly. The objective of this research was to determine the shelf life of microwavable-packaged fish crackers. The fish crackers microwave was packed with three various method which are polypropylene (PP), PP + silica gel, and nylon + vacuum. Estimation of shelf life was done by calculating the parameters of degradation of microwavable fish crackers with the reaction kinetics equation and processed using the Arrhenius equation. The quality parameter was moisture content. Quality parameters are measured every 5 days during 30 days of storage at 30oC. The results showed that the kinetics of changes in the water content of microwavable fish crackers packed in three packaging combinations following reaction order one(1) and order two(2). The shelf life of microwavable fish crackers packaged in PP was 27 days, PP+silica gel packs was 29 days, and nylon+vacuum packs was 31 days. 
Co-Authors Agustin, Nur Aini Airlangga, Trubus desi aryani Eka Lidiasari Nura Malahayati Parwiyanti Parwiyanti, Parwiyanti Rosidah, Umi Yanuriati, Anny Yulistika, Efri