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Journal : Rekayasa Mesin

Sistem Monitoring Gas Oksigen dan Karbondioksida pada Ruang Penyimpanan Sistem Udara Terkontrol Argo, Bambang Dwi; Lastriyanto, Anang; Astuti, Nuraini Puji
Rekayasa Mesin Vol 1, No 3 (2010)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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Abstract

One of way in pickling process of main food material of vegetable and fruits is storage. In principle metabolism storage, like respiration, transpiration, infection plant diseases and lengthen more durable. Purpose of storage of fruit and vegetable to lengthen product usefulness, controls request of market and increases advantage. At research before all, the system controlled atmosphere storage still be done in manual either from within observation of composition and operation of gas in it. Therefore, need to be done modification of equipment with addition of monitoring system and gas control automatically, so that change of gas volumein storage space of CAS can be detected. Equipment applied in this research is microcontroller AT89S51 and its arrangement system by using computer. With existence of communications between microcontroller system with personal computer through IC RS 232. At this researc happened change of oxygen gas concentration from 21% to 2% and increase of percentage of carbondioxide from 0.03% to 2.5% for temperature 26oC. this matter is according to boundariset wanted for condition of apple atmosphere Rome Beauty.Keywords : Oxygen, carbondioxide, CAS, MKAT89S51, Personal Computer (PC)
Desain Dan Uji Prototipe Alat Pasteurisasi Susu Berbasis Teknologi Irradiasi Ultraviolet (Kajian Dosis Uv) Lastriyanto, Anang; Kuncahyo, Erry Dwi; Komar, Nur
Jurnal Rekayasa Mesin Vol 2, No 1 (2011)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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Abstract

The process of milk pasteurization generally use thermal method. The method can cause microorganisms inactive on the other side, the method result in the degradation of quality food. An alternative method that can be used is by using technology of ultraviolet irradiation. Ultraviolet light has short wavelength with a very strong antimicrobacterialenergy.The mechanism of its wor is by absorbing the energy by nucleid acid without causing damaged on the surface of cel. The absorbed energy will cause the bonding of tymine (dimer tymine) so that the function of nucleic acid is disturbed and it cause the dead of microorganism (Lay and of Hastowo, 1992). The devices used in this research are ultraviolet lamp type C, spiral hose, supporting frame, materials containers and the devices for measuring the amount of microbes, fat, specific gravity and colour. Materials used in this research is fresh milk that obtained from KUD DAU Malang. The result are pasteurization process with UV irradiation decrease microorganisms and fat in milk.Keywords : Pasteurization, ultraviolet irradiation, milk.
Co-Authors Aini Nurrachmani Bahari Amanda Izzah Aulia Andi, Moch. Alfi Anggi Akhmad Ervantri Anggraini, Firdha Dwi Arnanda Ajisaputra, Arnanda Ary Mustofa Ahmad As Syukri, Khoirul Anam Asy Syukri, Khoirul Anam Bagus Imam Bintoro Bambang Dwi Argo Bambang Susilo Dewi Masyithoh Dewi Masyithoh Dewi Maya Maharani Dhika Aringtyas Dina Wahyu Indriani Dina Wahyu Indriani Dyah Ayu Arum Ambarwati Elok Zubaidah Elok Zubaidah Erawati, Diana erika arisetiana dewi, erika arisetiana Erni Sofia Murtini Erry Dwi Kuncahyo Erwan Erwan Erwan Erwan, Erwan Evy Puspitasari Fajri Anugroho, Fajri Fariz Prayogi Herlambang Firdha Dwi Anggraini Firman Jaya Hadi Suyono hardiansyah, bagus Hartono, Elvianto Dwi Jati Batoro Jati Batoro Jati Batoro Jayanti, Dias Agustin Dwi Joko Prasetyo Joko Prasetyo Juniarsa, Nurtjahja Kamsiatun Eka Pratama Kharimatul Khasanah Khoiril Anam, Khoiril Khoirul Anam Asy Syukri Kurniawan Yuniarto Kurniawan, Hary La Choviya Hawa LAILATUL MAGHFIROH Lalu Arioki Setiadi Lamerkabel, J. S. A. Maimunah Hindun Pulungan Masauna, Esther D Masyithoh, Dewi Mochamad Bagus Hermanto Mochamad Junus Mochammad Junus Mochammad Yunus, Mochammad Mujadin, Anwar Musthofa Lutfi Mutiarani, Nadya Muvianto, Cahyo Mustiko Okta Muzaki, M. Amin Nofiyanti, Sri Handayani Nur Hidayat Nur Komar Nur Samijayani, Octarina Nuraini Puji Astuti Nurtiti Nurtiti Oktaria Eka Y Permadi, Bayu Pratiwi, Hartati Setyo Putra Rifaldi, Syachrial Rahmawati, Safitri Rizka Ramadani,, Khoirotus Syadiyah Rini Yulianingsih Rizka Mega Melati Rochima Nisaa’IL-Firdaus Rosyida Ayu Pratiwi Rosyidatul Anwariyah Sambora, Helmi Sandra Malin Sutan Sandra Sandra Sasongko Aji Wibowo Sasongko Aji Wibowo Sasongko Aji Wibowo Satriyo Pandunusawan Sembiring, Rinawati Setyo Purwanto Silvi Astri Cahyani Silvi Astri Cahyani Sonia Verent Yudi Santo Putri Subiantoro Bangun Sulianto, Adi Sumardi H. S. Sumardi Hadi Sumarlan Sumardi Hadi Sumarlan Sumardi Hadi Sumarlan Sumardi Sumardi Susinggih W. Ulinnuha, Arini Robbil Izzati Ustadi Ustadi Utuwaly, Imas D Vibi Rafianto Victor G Siahaya Vincentia Veni Vera Wahyunanto Agung Nugroho Welt, Bruce Ari Wibowo, Sasongko Aji Wulandari Saepuloh Yuniarti Yuniarti Yusron Sugiarto Yusuf Hendrawan Yusuf Wibisono