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All Journal Jurnal Pangan dan Agroindustri Jurnal Keteknikan Pertanian Tropis dan Biosistem Jurnal Teknologi Pertanian JURNAL PENGABDIAN KEPADA MASYARAKAT Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Jurnal AGRISEP: Kajian Masalah Sosial Ekonomi Pertanian dan Agribisnis
Wahyunanto Agung Nugroho
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Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences

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Frying kinetics and physical properties of air-fried french fries Hawa, La Choviya; Izzati, Syifa Rahadian; Yulianingsih, Rini; Nugroho, Wahyunanto Agung
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 7, No 2 (2024)
Publisher : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.afssaae.2024.007.02.6

Abstract

French fries are processed products made of partially cooked frozen potatoes. The most essential step in making french fries is frying, aiming to produce soft and crunchy product. Using air fryers in the frying process offers the benefit of significantly reducing oil consumption, thereby making it a favorable option for producing lower-fat fried foods. The objectives of the present study were to analyze the physical and chemical characteristics of french fries on the use of oil and time variation in the air frying method and to determine the frying kinetics under the air fryer. Finding the best frying method was carried out using some attributes of Zeleny, such as the frying rate. Frying was controlled at a constant temperature of 180 °C with time variations of 10, 13, and 16 minutes, and variation in the amount of oil, i.e., 2 mL, 4 mL, and without oil. The results showed the physical characteristics of french fries that include moisture content (26.85 – 45.56%), color with indicators L* (64.44 – 68.66), a* (0.01 – 4.80), b* (21.32 – 35.54), color differences (4.57 – 10.60), hardness (120.83 – 559.8 g), springiness (1.15 – 2.82 mJ), chewiness (0.33 – 3.98 mm), gumminess (28.6 – 213.43 g), and cohesiveness (0.2 – 0.41). The variations in the amount of cooking oil in the air frying method significantly affect the redness parameters. The time variation in the air frying method significantly affects moisture content, hardness, gumminess, chewiness, and cohesiveness parameters. Lightness, yellowness, colour differences, and springiness parameters have no significant effect on the variation of oil and time. The chemical characteristic of french fries includes fat content (5.78 – 22.42 %). The air frying method without oil used for 13 minutes was considered as the best treatment for frying french fries.
COMPARATIVE TECHNO-ECONOMIC AND CARBON EMISSIONS ASSASEMENT OF BIOETHANOL AND BIOGAS PRODUCTION FROM Spirogyra sp. : A PROCESS SIMULATION STUDY. Maharani, Nur Sista; Nugroho, Wahyunanto Agung; Wibisono, Yusuf
Jurnal Teknologi Pertanian Vol. 27 No. 1 (2026)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtp.2026.027.01.6

Abstract

The production of renewable energy from microalgal biomass offers a promising pathway to mitigate greenhouse gas emissions. This study compares the technical performance, economic feasibility, and carbon emissions of bioethanol and biogas production from Spirogyra sp. using SuperPro Designer 10.7. The results show that the technical performance is highly dependent on process configurations. The best-performing bioethanol scenario (E3-2: flotation–continuous fermentation) produced 537.37 kg/batch with an energy consumption of 41.81 MJ/kg . In comparison, the optimal biogas scenario (B1-1: mesophilic digestion–water scrubbing) yielded 1,026.56 kg/batch with a lower energy consumption of 7,614 MJ/kg . Techno-economic analysis revealed that all scenarios are currently economically unviable at the simulated scale due to negative Net Present Values (NPV < 0), despite some scenarios exhibiting positive Return on Investment (ROI). Biogas production demonstrated higher energy efficiency, while bioethanol offered a cleaner emission profile. An integrated biorefinery approach is recommended to improve overall economic viability and biomass conversion efficiency.
Co-Authors . Herianto . Muryanto, . . Rosydiena Adi Mas Sulthon Agung Cahyono Agus Jiwantoro Agus Susanto Ahmad Saiful Haq Ahmad Syamsun Injilauddin Al Riza, Dimas Firmanda Al Riza Aris Fanani Ary Drajad Prasetyo Ary Mustofa Ahmad Azhar, Wilda Aulia Bambang Dwi Argo BAMBANG SUSILO Bobby Wirasantika Choirul Adhar Chusnul Arif Dani Pratama Putra Darmanto Darmanto Darwin Kadarisman Dian Yulianto Dony Fahmi Eva Widiarti Budi Wardani Evi Kurniati Fatma Ridha Nurlaili Febi Damayanti Rahayu Fiedro Dimiyadi Fintas Afan Agrariksa Gunomo Djojowasito Gunomo Djojowasito Gunomo Djoyowasito Handono, Setiyo Yuli Hj Hassan, Ummul Hasanah Ibrahim Maina Idriss Impi Widuri Aprillianingtias Isya Al Hanif Izzati, Syifa Rahadian Jannur Majesty Johan Ari Sandra Joko Prasetyo Joko Prasetyo La Choviya Hawa Maharani, Nur Sista Maharsih, Inggit Kresna Maulita Farah Zevilla Mayadiana Susilowati Ningsih Moh. Risal Siregar Mufidah, Elya Muhammad Roil Bilad Muhammad, Defghi Arsy Musthofa Lutfi Musthofa Lutfi Nurul Fadillah Nurwahyuningsih Nurwahyuningsih Oktaviana, Luluk Rendi Hadi Santoso Rini Yulianingsih Rino Ardianto Riski Kurniawan Saiful Imron Sandra Sandra Sandro Niko Gultom Sembiring, Rinawati Souma Wiryo Pamungkas Sumardi Hadi Sumarlan Sutrisno Hadi Wibisono Taif Maharsyah Tiara Ika Susanti Titik Nurhidayah Tri Priyo Utomo Widyaningrum widyaningrum Yahya Wahyu Prasetya Yusron Sugiarto Yusuf Hendrawan Yusuf Wibisono Zaqlul Iqbal Zulfa Musyaffa, Amirah