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Analysis of Odor and Color Parameters in the Meat Freshness Detection System Using Gas Sensor and Reaction Kinetics Methods Erlina Nur Arifani; Sevia Indah Purnama; Mas Aly Afandy; Danny Kurnianto Kurnianto; Nurul Latifasari Latifasari
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 10 No. 1 (2025): May 2025
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/elinvo.v10i1.77601

Abstract

The degradation of beef is typically indicated by the presence of   NH3 as ammonia and H2S as hydrogen sulfide. The NH3 and H2S level will increase in line with the meat spoilage. This research is aims to develop the new meat storage with NH3 and H2S level measurement to detect spoilage in beef. This measurement is needed to make sure the meat that are store is still in good condition or already spoil. Kinetic model of NH3 and H2S gas is used to determine the correlation between meat spoilage with time. This equipment has main parts that consist of sensor system microcontroller and computer. The MQ 137 works as detector of NH3 gas which are emitted by sample of beefs during observation. The MQ – 136 sensor works as detector of H2S gas. This research also analyzes the color change in beef spoilage. The data of meat storage develop in this research shows that it can properly measure NH3 and H2S gases that occur during the gas evolution process. The color of the meat also changes while the meat spoilage starts. The rate constants of change of H2S and NH3 follow the zero-order kinetics of H2S and NH3 with constant rates of 0.90 and 0.95, respectively. This result shows that time highly correlated with the spoilage meat.
Quantifying meat spoilage: Ethic fresh as a portable halal-tayyibah screening innovation Erlina Nur Arifani; Sevia Indah Purnama; Mas Aly Afandy; Danny Kurnianto
Journal of Halal Industry Studies Vol. 5 No. 2 (2026): Journal of Halal Industry Studies
Publisher : Nur Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53088/jhis.v5i2.3472

Abstract

The complexity of today's global food supply chain poses significant challenges for detecting meat spoilage, creating a pressing need to protect consumers who adhere to Halal-Tayyibah principles, especially when human visual/sensory inspection fails to detect the early stages of spoilage. To address this issue, Ethic Fresh was designed using an experimental engineering approach that integrates a calibrated electrochemical ammonia sensor, an RGB optical color sensor, and a threshold classification algorithm into a portable, non-destructive device connected to a digital data logger. The design results demonstrated that Ethic Fresh has high classification sensitivity and accuracy, successfully classifying chicken meat into three Halal-Tayyibah status categories: Fresh (low ammonia, high R-value; Full Thayyib), Semi-Fresh (oxidation crisis threshold; Doubtful/Warning), and Spoiled (high ammonia, low R-value; Khaba'ith). While not a substitute for formal laboratory testing, its portability and rapid response time make Ethic Fresh a highly viable screening tool for daily use in the market, helping consumers make safe and Halal food decisions while supporting the Halal 4.0 digital supply chain ecosystem.
Co-Authors Abdul Mujib Hadi Abi Sabila Mustaqim Achmad Rizal Danisya Adi Saputra Agung Wicaksono Akbar, Dimas Wira Aldi Wijaya Anang Dwi Prakoso Arief Hendra Saptadi Armanda Suryaningrat Arum, Dewi Sekar Brawijaya Brawijaya Dasril Aldo Dea Ervina Maharani Dewi Sekar Arum Dini Megawati Eka Setia Nugraha Eka Wahyudi Erlina Nur Arifani Eto Salam Fachrul Rahmadany Fikra Titan Syifa Fikra Titan Syifa Fikri Nizar Gustiyana Fitroni, Mohammad Ainul Gunadi, Andhika Ihza Yusuf Gustiyana, Fikri Nizar Gustiyana, Fikri Nizar Hadi, Abdul Mujib Hamidah, Mafana Nur Hanung Adi Nugroho Helmi Tambunan, Zulfikar Hendra Saptadi, Arief Hendra Saptadi, Arief Herryawan Pujiharsono I Ketut Agung Enriko Indah Permatasari Indah Permatasari Indah Soesanti Intan Erlita Dewanti Intan Erlita Dewanti Intan Pangesti Jaenal Arifin Kemuning Nenden Testy Khansa Danendra, Raissandi Kholidiyah Masykuroh Khosirun Khosirun Kuswanda, Kuswanda Listiani, Rizka M. Julius St Julius St M. Julius St Julius St, M. Julius St Mas Aly Afandy Mas Aly Afandy Miftahul Muhdori, Miftahul Mudjirahardjo, Panca Muhamad Fahrul Rozi Muhamad Zulva Ramadan Muhammad Yusro Muntaqo Alfin Amanaf Nindyaning Puspamelati, Nindyaning Novanda Alim Setya Nugraha Nur Afifah Zen Nurul Latifasari Pangesti, Intan Pardomuan Siregar, Santo Prakoso, Anang Dwi Prasetyo Yuliantoro Ramadhani, Rima Dias Risa Farrid Christiant, Risa Farrid Risang Windu Sidanti Riyatno Riyatno Rochmanto, Raditya Artha Safitri, Nova Indah Saputra, Adi Sevia Indah Purnama Shintawati, Tegar Suryaningrat, Armanda Suyani Suyani Tri Utami Uly, Olivia Sherly Indah Vencentius Krisma Ekaristi Vencentius Krisma Ekaristi, Vencentius Krisma Wardani Supardi, Dila Yahya Ega Masyarik Yulian Zetta Maulana Zakiyah, Maudina