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All Journal Jurnal Teknologi Dan Industri Pangan Journal of Degraded and Mining Lands Management Program Kreativitas Mahasiswa - Penelitian agriTECH Journal of Natural Sciences and Mathematics Research Journal of Science and Applicative Technology Indonesian Food Science and TechnologyJournal Journal of Tropical AgriFood
Djagal Wiseso Marseno
Jurusan Teknologi Pangan Dan Hasil Pertanian, Fakultas Teknologi Pertanian, Universitas Gadjah Mada, Jl. Flora No.1, Bulaksumur, Yogyakarta 55281
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Integrating natural resource resilience and agroecology: policy on protecting agricultural land from degradation in Magelang District, Central Java Province Widayanti, Windy Kartika Putri; Marseno, Djagal Wiseso; Purwadi, Didik
Journal of Degraded and Mining Lands Management Vol. 11 No. 2 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.112.5405

Abstract

Although the Government of Magelang District has local policies for land protection from degradation, landslide disaster has hampered the construction of the Rehabilitation of Farm Road (RJUT) of organic rice of UPLAND program in 2022 in Bandongan Sub-District and caused loss of farmer’s agricultural land in Sawangan. This research aimed to describe the impacts of land degradation, the relevance of local policy substance to the protection of upland farmland from degradation, identify the vulnerability of natural resources and build the integration concept consisting of resilience of natural resources and agroecology. The research was conducted in Grabag, Sawangan, and Bandongan Sub-Districts. The research method was descriptive qualitative by interviewing 18 farmers and 13 key informants by purposeful sampling and field observations. Qualitative data analysis using QDA Miner software. The results showed that local policies in Regional Regulation Number 18 of 2017 concerning the Development of Competitive and Environmentally Sound Agricultural Products and the Decree of the Head of the Agriculture and Food Service Office of Magelang District Number 188.4/694/SK/20/2021 concerning Determination of Prospective Farmers and Prospective Locations (CPCL) of UPLAND Activities in Magelang District are less relevant to protect land from holistic degradation (quality and ecological due to landslides) causing vulnerability to the resilience of natural resources. Therefore, it needs innovations in the form of public policies that are comprehensive, holistic, and integral through the integration model of natural resource resilience and sustainability of irrigation systems in upland agricultural land protection systems complementing each other.
Valorization of Pb 340 rubberwood into liquid smoke as an alternative latex coagulant for Ribbed Smoked Sheet Ronny Kristian Sembiring; Djagal Wiseso Marseno; Diah Puspitasari; Manikharda
Journal of Natural Sciences and Mathematics Research Vol. 11 No. 1 (2025): June
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jnsmr.v11i1.23192

Abstract

Formic acid, commonly used as a coagulant, has been criticized for its adverse environmental impact, leading to the search for sustainable alternatives. Additionally, the rubber processing industry generates a significant amount of unproductive rubber wood during replanting. A promising path to environmental sustainability is to utilize this potential for liquid smoke production. This study examines the use of liquid smoke from rubber wood Clon PB 340 as a latex coagulant and its effect on RSS quality. The findings indicate that RSS adhered to the P0 standard criteria for all tested liquid smoke concentrations. The 5% liquid smoke introduction to RSS, stored for 7 days, achieved the SRI 5 standard. Additionally, liquid smoke additions effectively managed dirt content, meeting or surpassing control criteria at concentrations of 5%, 20%, and 25%. Although the volatile matter content occasionally met SRI 5 standards at specific concentrations (10%, 15%, 20%, and 25%), the ash content across all treatments, including the control, did not meet the SRI 5 quality benchmarks. Using liquid smoke from non-productive rubber wood Clon PB 340 as a natural coagulant holds promise for eco-friendly latex processing. This study may advance the rubber industry's adoption of liquid smoke, promoting higher-quality, environmentally sustainable products.
Resistant Starch Type 5 in Buras as Indonesian Traditional Food: Influence of Amylose Content and Multiple Cooling-Reheating Cycles Sabrina, A'isyah Mutiara; Pranoto, Yudi; Marseno, Djagal Wiseso; Prawira, Muhammad Aditya
Indonesian Food Science and Technology Journal Vol. 9 No. 1 (2025): Volume 9 Number 1, December 2025 |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.v9i1.44626

Abstract

High-resistant starch foods are gaining attention for their potential to lower the risk of diabetes, obesity, and degenerative diseases. One type of resistant starch (RS) is RS5, a starch-lipid complex. This study investigated the effects of amylose content and physical modifications on Buras, a traditional Indonesian food made from rice and coconut milk. The physicochemical characteristics were evaluated using three rice varieties (Setra Ramos, C4 Super, and Rojo Lele) and cooling-reheating cycles (Control, 1 cycle, 2 cycles). Setra Ramos exhibits the highest amylose and RS5 contents at 25.14% and 26.54%, respectively. High amylose content facilitates the formation of lipid-amylose helical structures, inhibiting starch digestibility by enzymes such as α-amylase. RS5 in Buras was identified by the presence of amylose-lipid complexes, as indicated by Scanning Electron Microscopy (SEM) for visualization of granule structure, X-ray Diffraction (XRD) for crystallinity, and Fourier-transform infrared spectroscopy (FTIR) for functional groups. The best treatment was obtained at 1 cycle of cooling-reheating (S1), which increased RS by 9% and reduced starch hydrolysis by 11%. This study examined strategies to enhance RS5 content and reduce starch digestibility with physical modifications. The findings showed that cooling-reheating cycle treatment significantly (p<0.05) increased RS content in Buras. This increase correlated with increased starch retrogradation and the formation of amylose-lipid complexes, thereby reducing starch digestibility. Consequently, traditional food products become healthier and help control blood sugar levels. Therefore, simple thermal modification, such as cooling and reheating, improves the functional properties of starch-based traditional foods.
Sintesis dan karakterisasi sodium karboksimetil selulosa dari serabut kelapa sawit Pujokaroni, Agustu Sholeh; Marseno, Djagal Wiseso; Pranoto, Yudi
Journal of Tropical AgriFood Volume 3, Nomor 2, Tahun 2021
Publisher : Department of Agricultural Products Technology, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jtaf.3.2.2021.6656.101-113

Abstract

Penelitian ini bertujuan untuk mendapatkan metode pembuatan CMC dari serabut buah kelapa sawit (SBS). Dua tahapan percobaan dilakukan, yaitu penyiapan selulosa dari SBS dan pembuatan CMC menggunakan selulosa SBS dari perlakuan terpilih. Percobaan tahap pertama merupakan percobaan faktor tunggal (konsentrasi NaOH 5,0-17,5%), sedangkan percobaan tahap kedua merupakan percobaan faktorial (konsentrasi NaOH 5-20%, dan kadar Natrium monokhloro asetat/NaMCA 3-7 g). Setiap perlakuan diulang lima kali. Parameter yang diamati pada percobaan tahap pertama adalah rendemen, kadar selulosa, kadar air, dan kadar abu. Parameter yang diamati pada percobaan tahap kedua adalah hasil, kadar air, kemurnian, kelarutan, viskositas, dan derajat substitusi. CMC SBS dengan karakter terbaik dari percobaan kedua kemudian dianalisis dengan sinar-X dan FTIR. Kecuali data difraksi sinar-X dan spektrum FTIR yang dianalisis secara deskriptif, data lainnya dianalisis dengan ANOVA. Hasil penelitian menunjukkan bahwa metode penyiapan selulosa dari SBS dengan formula 5% w/v dalam 15% NaOH merupakan metode paling potensial (rendemen dan kadar selulosa bertuut-turut adalah 25,50% dan 63,34%) dan dipilih sebagai metode penyiapan selulosa SBS. Pada percobaan CMC dari selulosa SBS, ditunjukkan bahwa konsentrasi NaOH dan kadar NaMCA serta interaksinya memberikan pengaruh nyata (p<0,05) terhadap hasil, kadar air, kemurnian, kelarutan, viskositas, dan derajat substitusi CMC. Metode penyiapan CMC menggunakan formula 5 g selulosa SBS dalam sistem 100 mL isopropanol dan 20 mL 15% NaOH dan 6 gram NaMCA merupakan metode potensial yang menghasilkan CMC SBS dengan karakteristik derajat substitusi 1,19, viskositas 4,1 cps, dan kelarutan 60,25%. Hasil, kemurnian, dan kadar air CMC SBS yang dihasilkan berturut-turut adalah 156,35%, 86,44%, dan 11,83%. CMC SBS yang dihasilkan tersebut mempunyai karakter difraksi sinar-X dan spektrum FTIR yang serupa dengan tepung selulosa dan CMC komersial.
Co-Authors . Supriyanto Agus Setyoko Amalia Wahyuningtyas Budi Rahardjo Budi Rahardjo Budi Rahardjo Damayanti, Elok Diah Puspitasari Didik Purwadi Gatot Siswo Hutomo Haryadi Haryadi Haryadi Haryadi Indrati, Retno Joko Nugroho Wahyu Karyadi Manikharda Prawira, Muhammad Aditya Puji Lestari Pujokaroni, Agustu Sholeh Ronny Kristian Sembiring Sabrina, A'isyah Mutiara Siti Hanum Indah Lestari Sri Anggrahini Sri Anggrahini Supriyanto . Supriyanto Supriyanto Supriyanto Supriyanto Titi Nur Hidayati Warkoyo . Windy Kartika Putri Widayanti Yudi Pranoto