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All Journal Jurnal Teknologi Dan Industri Pangan Jurnal Teknologi Industri Pertanian Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Keteknikan Pertanian Agrointek agriTECH Planta Tropika Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Jurnal Kimia Terapan Indonesia Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Teknik Pertanian Terapan
Nursigit Bintoro
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Other

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Journal : Agrointek

 1 
KARAKTERISTIK KEMATANGAN BUAH MELON ‘PREMIER’ (Cucumis melo L.) BERDASARKAN SIFAT AKUSTIK Wiyan Afriyanto Pamungkas; Nursigit Bintoro
AGROINTEK Vol 15, No 3 (2021)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v15i3.9621

Abstract

Determining the right time to harvest is very important to do for agricultural commodities. This is related to post-harvest handling and extending the shelf life of fruits. Determining the level of melon maturity is still done manually by tapping the surface of the fruit by hand, but this method is still subjective. This research aims to study the maturity level of the 'Premier' melon to determine the appropriate harvest time based on acoustic properties and its relationship to the physic-chemical properties of the melon using a self-made tapping device. Based on the results obtained, the acoustic properties parameters showed a strong enough relationship to the physico-chemical parameters of melons. Based on linear regression analysis, it can be seen that the best acoustic parameters in estimating and determining the right harvest time for melons are the dominant frequency (f), magnitude (M), and zero moment power (Mo). 'Premier' melons can be harvested when the dominant frequency (f) is ≤ 219.92 Hz with a magnitude (M) of ≤ 39.72 dB, and the zero moment power (Mo) value is ≤ 68.99 according to the actual harvest age in the field conducted by farmers at the harvest age of 64 DAP.
KINETIKA PERUBAHAN KUALITAS FISIK PISANG KEPOK (Musa acuminata) DIBAWAH PENGARUH VARIASI LAMA WAKTU PEMAPARAN OZON DAN SUHU RUANG PENYIMPANAN Dimas Triardianto; Nursigit Bintoro
AGROINTEK Vol 15, No 2 (2021)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v15i2.9479

Abstract

As a climacteric fruit, bananas continue to ripen after being harvested and it’s accelerated by ethylene produced by the product. Post-harvest handling is needed to slow changes in the physical quality parameters of bananas for longer shelf life. Variation ozone gas exposure and storage room temperature are a potential methods to extend the shelf-life of bananas. The purpose of this study was to build a mathematical model of stored kepok bananas with variations in the duration of ozone gas exposure and storage room temperature. Green mature kepok bananas were used as the sample. The duration time of ozone exposure treatments used were 0 (untreated), 10, 15, and 20 minutes every day with a flow rate of 0.0279 ppm/menit. While the storage temperatures used were 5, 15, and 27oC (ambient temperature). Mathematical models are used to predict change rate (k) in the product quality during storage and predict the value of physical quality parameters (firmness, brix, pH, weight loss, and moisture content). The results of the change rate of quality of physical parameters show that the lower storage temperature and the longer of ozone gas exposure cause the rate change in the quality of the physical parameters to be lower. Meanwhile, the results of the model validation using the correlation coefficient (R2) and the P-value on chi-square (X2) show that mathematical models are well developed in predicting the value of physical quality parameters.
PENGARUH WAKTU PEMERAMAN, AERASI DAN SUHU FERMENTOR TERHADAP KUALITAS BIJI KAKAO Sri Hartuti; Nursigit Bintoro; Joko Nugroho Wahyu Karyadi; Yudi Pranoto
AGROINTEK Vol 14, No 2 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v14i2.6297

Abstract

Good postharvest handling must be done to get high-quality cocoa beans. This study aims to determine the effect and relationship of cocoa pod ripening time, aeration and fermentor temperature during fermentation on the pH and fermentation index, and to know the value of other quality parameters of cocoa beans, such as water content, ash content, protein content, fat content, carbohydrate content, color chroma, and hue. The results of the RSM analysis also showed that the cacao pod ripening time, aeration rate and fermenter temperature had different effects on the fermentation index and pH of the cocoa beans produced, which was indicated by the R² value for each parameter, 74.7% for the index fermentation and 56.5% for the pH of the cocoa beans. Based on the fermentation index value and the pH of the cocoa beans obtained, it was found that the ripening of the cocoa pods, aeration and the temperature of the fermentor provided were able to produce good quality fermented cocoa beans. The quality values of cocoa beans obtained include: fermentation index ≥ 1, pH of cocoa beans from 4.97 to 6.31, moisture content of  6.5 - 7.8%, ash content of 3.21 - 4.12%, chroma color value 16.50 - 25.28, hue color values 30.01 - 51.73, fat content 20.91 - 47.19%, protein content 10.45 - 16.47% and carbohydrate content 29.81-57.70 %.
EXPLORATORY STUDY OF NEAR AND SUPERCRITICAL CARBONDIOXIDE WARM PASTEURIZATION ON NILE TILAPIA Sugeng Pondang Sugiharto; Nursigit Bintoro; Joko Nugroho Wahyu Karyadi; Yudi Pranoto
AGROINTEK Vol 14, No 2 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v14i2.6517

Abstract

Effects of both near critical and supercritical CO2 pasteurization on inactivation of muscle protease and lipase of red tilapia (Oreochromis niloticus) were investigated along with its impact on microbial reduction and physical appearance. Near critical phase was designed at 70 bar and supercritical phases were designed at 80 and 90 bar.  It was found that CO2 pressure had greater effect on protease inactivation  than on lipase inactivation. Temperature increase did not improve both protease and lipase inactivation while fillet texture was adversely affected. The fillet color experienced color changes significantly.
PEMODELAN LAJU RESPIRASI BUAH KLIMAKTERIK SELAMA PENYIMPANAN PADA SUHU YANG BERVARIASI Dwi Rahayu; Nursigit Bintoro; Arifin Dwi Saputro
AGROINTEK Vol 15, No 1 (2021)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v15i1.7625

Abstract

Most of Indonesia’s fresh produces are belong to the climacteric group, which needs certain handling, especially for storage management. Information on the respiration rate in various temperatures and times is an important aspect on designing the storage room. This research aimed to measure the respiration rate of banana, guava, and mango. Respiration rate was measured with a closed system respirometer at temperatures 10, 15, and 28oC. The data used to develop mathematical modeling based on Michaelis-Menten (MM) and Arrhenius equations for predicting the respiration rate. Each treatment has a different agreement with each type of Michaelis-Menten’s models, however, most of the treatment has a good agreement with MM type combination. Furthermore, all showed a good fit with Arrhenius’s model and regression determination values are closed with unity. The statistical analysis used was SPSS ver. 20 software with a 3-way repeated measure method to identify the interaction between treatment and respiration rate (RO2 and RCO2). Significant interaction among treatment was found for RCO2. The best temperature to store fruit was found at 15oC.
Co-Authors Abadi Jading Akbar, Muhammad Adani Andri Wiyanto Arifin Dwi Saputro, Arifin Dwi Asep Nurhikmat Asep Nurhikmat Ayuni, Dwi Bandul Suratmo Bandul Suratmo Bandul Suratmo Budi - Rahardjo Budi Rahardjo Budi Rahardjo Budi Rahardjo Budi Rahardjo Darmawan Nugroho Dewi Maya Maharani Dimas Triardianto Dimas Triardianto Erni Romansyah Imaniar, Dintia Ibni Joko Karyadi JOKO NUGROHO Joko Nugroho Joko Nugroho Karyadi Joko Nugroho W.K. Joko Nugroho Wahyu Karyadi Joko Nugroho Wahyu Karyadi Joko Nugroho Wahyu Karyadi Karyadi, Joko Nugroho Kurniawan, Hary Lilik Sutiarso M. Yogi Riyantama Isjoni Marfu’ah, Siti Munawwaroh, Fajriyah Dian Muttalib, Surya Pamungkas, Wiyan Afriyanto Pramilih Nastiti Pudji - Hastuti Pudji Hastuti Reniana, Reniana Siswantoro - - Siswantoro Siswantoro Sri Hartuti Sri Hartuti Sri Rahayoe Sri Rahayoe Sugeng Pondang Sugiharto Suharwadji Sentana Suharwadji Suharwadji Surya Abdul Muttalib, Surya Abdul Surya Muttalib Yudi Pranoto Yus Witdarko