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All Journal Jurnal Ilmu Pertanian Indonesia Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Keteknikan Pertanian Rekayasa Mesin Jurnal Keteknikan Pertanian Tropis dan Biosistem Jurnal Teknologi Pertanian agriTECH Journal of Mechanical Engineering Science and Technology Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Industria: Jurnal Teknologi dan Manajemen Agroindustri Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Teknologi Pertanian JURNAL BUDIDAYA PERTANIAN Canrea Journal: Food Technology, Nutritions, and Culinary Journal Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Jurnal Mnemonic Pasundan Food Technology Journal (PFTJ) Quantum Teknika GUYUB: Journal of Community Engagement Journal of Agricultural and Biosystem Engineering Research Makara Journal of Technology Jurnal Pertanian Kepulauan BULLET : Jurnal Multidisiplin Ilmu
Anang Lastriyanto
Department Of Agricultural Engineering, Brawijaya University, Jl. Veteran, Malang, Jawa Timur 65145
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Analysis of Total Phenol and Flavonoid Compounds in Temulawak (Curcuma xanthorrhiza Roxb.) Tablets Based on Differences in Maltodextine Concentration Indriani, Dina Wahyu; Mutiarani, Nadya; Lastriyanto, Anang
Teknotan: Jurnal Industri Teknologi Pertanian Vol 17, No 3 (2023): TEKNOTAN, Desember 2023
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol17n3.9

Abstract

Temulawak (Curcuma xanthorrhiza Roxb.)  has empirical phenolics and flavonoids which can act as antioxidants. The purpose of this study was to produce tablets of temulawak (Curcuma xanthorrhiza Roxb.) with variations in the addition of maltodextrin concentration and to find the best results. This research was conducted using a non-factorial Randomised Block Design (RBD) with 3 treatment levels, the ratio of maltodextrin to 1:2 (50%), 1:4 (25%) and 1:6 (16.70%).  The results of this study showed that all tablets formed met the requirements of BPOM Number 32 of 2019 such that the tablets must be less than or equal to 10% and all the shaped tablets had a uniform weight. The tablets with 1:2 (50%) treatment had the highest value which was able to produce the highest total mean value of phenolics and flavonoids when compared with 1:4 (25%), 1:6 (16,70%) and control treatments. In a 1:2 (50%) treatment, the total phenolic value was 3.63 mg GAE/g ± 0.09, while the total flavonoid value was 6.11 mg QE/g ± 0.30. Therefore, it can be stated that the maltodextrin concentration treatment with a ratio of 1:2 (50%) was the optimum method for producing temulawak (Curcuma xanthorrhiza Roxb.) tablets in this study.
CHANGE DETECTION IN ALUMINUM ELECTRODE IMAGE DURING OHMIC HEATING USING PRINCIPAL COMPONENT ANALYSIS Dwi Hartono, Elvianto; Hardiansyah, Bagus; Lastriyanto, Anang; Zubaidah, Elok; Hendrawan, Yusuf
Jurnal Mnemonic Vol 7 No 2 (2024): Mnemonic Vol. 7 No. 2
Publisher : Teknik Informatika, Institut Teknologi Nasional malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/mnemonic.v7i2.8426

Abstract

In this paper, we propose a novel technique for unsupervised change detection dataset derived from a process pasteurization using aluminium plate left and right with frequencies 1kHz, 2kHz, 100Hz, 250Hz images using principal component analysis (PCA) and k-means clustering. The distinct image is partitioned into h × h non-overlapping blocks. orthonormal eigenvectors are extracted through PCA of non-overlapping block set to create an eigenvector space. Each pixel within the distinct image is characterized by a feature vector of a certain dimensionality. This feature vector is obtained projection the distinct image data onto the eigenvector space that has been generated. Change detection is accomplished by dividing the feature vector space into two clusters through the application of k-means clustering with k=2. Each pixel is then assigned to one of these two clusters based on the minimum Euclidean distance between the pixel's feature vector and the mean feature vector of the clusters. Empirical results validate the effectiveness of the proposed approach.
Moisture Reduction of Honey in Dehumidification and Evaporation Processes Lastriyanto, Anang; Wibowo, Sasongko Aji; Erwan, Erwan; Jaya, Firman; Batoro, Jati; Masyithoh, Dewi; Lamerkabel, JSA
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 4, No 2 (2020)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v4i22020p153

Abstract

The high water content of honey can lead to fermentation and accelerate the deterioration of honey. One way to prevent fermentation in honey is to reduce the water content of honey. There are several ways to reduce the water content of honey, namely through a dehumidifier and evaporation. This study aimed to examine the relationship of reduced water content towards time in between dehumidifier and evaporation processes. The research method uses an exponential equation model to determine the value of the constant (K). The constant value (K) is used to predict the rate of reduction in moisture content between the dehumidifier and evaporation processes. The results showed that the water content value after the dehumidifier and evaporation process had met the International Standard (SI) with a moisture content value of less than 19 %. The initial moisture content of honey before processing was 21.335 %, then after going through the process, the moisture content of honey in the dehumidifier and evaporation processes were 16.397 % and 14.625 %, respectively. The processing time required for decreasing the water content of honey in between dehumidification and evaporation processes also shows a very significantly difference; In the dehumidifier process, the process takes 720 min. While in the evaporation process, it is 50 min. The exponential equation to determine the constant value of K (1/min.) for the dehumidifier is y = 21.262e-0.00037x with the value of regression R2 = 0.9943. While the exponential equation formula to determine the constant value of K (1/min.) in the evaporation process is y = 21.961e-0.007x with the regression value represent R2 = 0.9262
MODIFIKASI PENGERING ERK DMT 2 UNTUK PENGERINGAN SERBA GUNA DENGAN VARIASI SUMBER PANAS DAN KECEPATAN ANGIN BLOWER OUTPUT Ahmad, Ary Mustofa; Lastriyanto, Anang; Ulinnuha, Arini Robbil Izzati
Journal of Agricultural and Biosystem Engineering Research Vol 4 No 2 (2023): Journal of Agricultural and Biosystem Engineering Research: Regular Issue
Publisher : Program Studi Teknik Pertanian, Fakultas Pertanian, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jaber.2023.4.2.9436

Abstract

Indonesia merupakan negara agraris dengan hasil pertaniannya yang begitu besar, baik dari kategori buah, sayur, umbi, dan lainnya. Melimpahnya produk pertanian dan pemenuhan kebutuhan pangan di Indonesia, menjadikan proses pasca panen menjadi hal yang sangat penting. Hal ini harus dilakukan karena produk pertanian yang baru dipanen mayoritas tidak memiliki umur simpan yang panjang. Dan ketika memasuki musim panen, akan sangat berpengaruh terhadap rantai pasok dan bisa mengakibatkan terjadinya ketidakstabilan harga jual dipasaran. Untuk mengatasi masalah tersebut, maka komoditas pertanian harus mendapatkan perlakuan khusus yaitu salah satunya yaitu melalui proses pengeringan. Pada penelitian ini dilakukan modifikasi alat pengering ERK DMT 2 sebagai pengering serba guna, yaitu dengan membuat prototype pengering menggunakan bahan polycarbonate menggantikan plastik UV pada alat pengering sebelumnya (ERK DMT 1). Tujuannya adalah meningkatkan efisiensi kinerja pengering ERK dan menyempurnakan kekurangan pada alat sebelumnya. Bahan uji yang digunakan adalah ubi jalar ungu yang diiris tipis kemudian dikeringkan menjadi bentuk chips. Hasil modifikasi pengering ERK DMT 2 memiliki dimensi panjang 500 mm, lebar 450 mm, dan tinggi 550 mm. Alat pengering ini dapat tetap digunakan pada saat musim hujan dengan nilai efisisensi sebesar 13-17%, memberikan nilai yang lebih baik daripada pengering tipe DMT 1 yang memberikan efisiensi sebesar 11-42%.
Tempat Persarangan Lebah Hutan (Apis dorsata F.) di Pulau Sermata Lamerkabel, Jacobus S. A.; Masauna, Esther D; Utuwaly, Imas D; Jaya, Firman; Lastriyanto, Anang; Yunus, Mochammad; Batoro, Jati; Erwan, Erwan; Masyithoh, Dewi; Ustadi, Ustadi
JURNAL PERTANIAN KEPULAUAN Vol 8 No 1 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.1.1

Abstract

The aim of the study was to determine the nesting sites of Apis dorsata (F) forest bees. the method used in this research was a descriptive survey. The results showed that trees and rock cliffs are nesting sites for forest bees on the island of Sermata. The Banyan tree is a tree that is preferred as a nesting place for forest bees (4 trees) in addition to Mango trees (2 trees), Salawaku (2 trees) , Kemiri (1 tree) , and Parna (1 tree). The height of the nesting places of forest bee colonies on trees and rock cliffs from the ground is at an altitude of 2.82 m to 27.40 m. The mango tree is the lowest forest bee nesting tree, while the highest is found in the banyan tree (20.51 m) and rock cliff 27.40 m. The habitat for the most forest bee colonies was 95 colonies in the range > 0-100 masl and 20 colonies in the range > 100-200 masl. The number of forest bee nests found in the locations of the villages of Regoha, Rotnama, Lelang, and Elo was 115 colony nests.
Performance Analysis of Extraction Machine Using Ohmic Technology for Producing Anthocyanin Sugiarto, Yusron; Asy Syukri, Khoirul Anam; Lastriyanto, Anang; Hendrawan, Yusuf
Journal of Tropical Agricultural Engineering and Biosystems - Jurnal Keteknikan Pertanian Tropis dan Biosistem Vol. 11 No. 2 (2023): August 2023
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jkptb.2023.011.02.03

Abstract

Extraction is one of the important processes for obtaining anthocyanins as natural dyes. The aim of this study is to investigate the performance of the extraction apparatus using ohmic technology to produce anthocyanins. This study used a series of ohmic heating consisting of tubular pipes with a diameter of 6 cm and a length of 5.5 cm with a volume capacity of 100 ml. This extraction machine was completed with two electrodes that each have a thickness of 10 mm. The performance of extraction machines using ohmic technology was analyzed by using various voltages of 20, 30, 40, 50, and 60 Volts/cm. The result showed that the voltage affected the electric current of the machine. The voltage of 60 Volts/cm was able to produce the largest average electric current of 5.28 A with the greatest electric current achievement of up to 6.21 A. The result showed that increasing the voltage during the extraction process reduced the time needed to reach the expected temperature. The fastest time was achieved in the voltage of 60 Volts/cm with an average time of 11.3 seconds. The increased voltage in the extraction treatment also affects the total anthocyanin produced. The highest total anthocyanin was obtained from a voltage gradient of 60 Volts/cm with a value of 288.014 mg/L and a yield of 14.4%.
Characterisation of honey using high-frequency ohmic heating based on image segmentation Hartono, Elvianto Dwi; Lastriyanto, Anang; Zubaidah, Elok; Hendrawan, Yusuf
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 7, No 3 (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.2024.007.03.8

Abstract

In the field of computer vision, image segmentation using a clustering approach was employed. This non-destructive method was applied to process ohmic heating in honey, aiming to achieve an efficient and time-saving mass production process. The K-means clustering algorithm converted RGB color data to Lab color space for effective segmentation. The validation of outcomes was conducted through the evolution of RMSE values and regression analysis for each frequency. Notably, at a precision frequency of 1 kHz, the results were as follows: RMSE Red 1.4902, RMSE Green 0.7017, RMSE Blue 0.3328, Regression Red 0.0792, Regression Green 0.5782, Regression Blue 0.202, and heat penetration regression 0.658. This proposed method was benchmarked against the conventional heat penetration analysis in ohmic heating.
Exploring the Impact of Temperature and Solvent Ratio on Phenol and Flavonoid Levels in Alpinia galangal L. Extract Using Evaporative Vacuum Cooling Dina Wahyu Indriani; Firdha Dwi Anggraini; Yusuf Hendrawan; Anang Lastriyanto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1064-1076

Abstract

The objective of this research is to determine the impact of temperature gradients and solvent ratios in the evaporative vacuum cooling method on the yield of phenol and flavonoid content in galangal extract; ascertain the impact of these factors on the yield generated by galangal extract; and ascertain the mass balance analysis of materials are the objectives of this study. Throughout the extraction of galangal. The study's findings demonstrated that the evaporative vacuum cooling technique, conducted at 49 ºC and with a 1:1 solvent ratio of 1.4432±0.7317 mg GAE/g, produced the highest total phenol concentration. The three differences in the temperature of the evaporative vacuum produced the total phenol content cooling. The overall phenol content obtained decreases with increasing solvent ratio addition. Although the evaporative vacuum cooling treatment at 45 °C yielded the highest total flavonoid content (1.2418±0.2365 mg QE/g) at a 1:2 solvent ratio, the total flavonoid content varied between the three evaporative vacuum cooling temperature variations. The yield of total phenolic and flavonoid compounds was not significantly affected by temperature gradient adjustments or the ratio of galangal extract to solvent (Sig. > 0.05) in any of the data samples pertaining to phenolic and flavonoid compounds. Keywords: Evaporative vacuum cooling, Flavonoids, Galangal, Phenol.
Pengujian Kemurnian Minyak Kayu Putih Berbasis Electronic Nose Menggunakan Metode PCA Dan Neural Network Mujadin, Anwar; Putra Rifaldi, Syachrial; Nur Samijayani, Octarina; Suyono, Hadi; Sukardi; Lastriyanto, Anang
BULLET : Jurnal Multidisiplin Ilmu Vol. 3 No. 1 (2024): BULLET : Jurnal Multidisiplin Ilmu
Publisher : CV. Multi Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Electronic nose (E-Nose) is one of the latest innovations that plays an important role in the identification of aromatic gases besides using gas chromatography-mass spectrometry (GCMS). Qualitative testing of aromatic materials using E-Nose combined with the multivariate principal component analysis (PCA) and neural network (NN) decision tree analysis methods is very necessary at this time. E-Nose in this research was used as a test tool for the concentration (purity) of aromatic gas from eucalyptus essential oil (Melaleuca leucadendron L.) with alcohol impurities. PCA will place the distribution of sample data then map it and group it. A mixture of eucalyptus oil and alcohol obtained PCA1 of 98.58%, while PCA2 had a value of 1.06% with an accumulation of 99.64%. The sample data was then integrated with the NN decision tree model and obtained excellent classification close to 100% while having good-fitting. by not experiencing a gap between training data and testing data. E-Nose requires a stable control system with accurate gas sensors with measurements in the order of milliVolts (mV).
Perancangan, Simulasi Kinerja, dan Fabrikasi Mesin Thermopressing untuk Produksi Biofoam Berbasis Material Alami: Design, Performance Simulation, and Fabrication of Thermopressing Machine for Biofoam Production Based on Natural Materials Andi, Moch. Alfi; Lutfi, Musthofa; Lastriyanto, Anang
Jurnal Keteknikan Pertanian Tropis dan Biosistem Vol. 13 No. 2 (2025): August 2025
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jkptb.2025.013.02.10

Abstract

Krisis lingkungan akibat meningkatnya sampah plastik, khususnya styrofoam, mendorong pengembangan material alternatif seperti biofoam berbasis bahan alami. Biofoam dapat diproduksi melalui metode thermopressing yang membutuhkan mesin andal untuk proses pemanasan dan penekanan secara simultan. Penelitian ini bertujuan untuk merancang, mensimulasikan, dan memvalidasi kinerja mesin thermopressing skala laboratorium. Perancangan dilakukan dengan mempertimbangkan kekuatan struktural dan efisiensi termal, kemudian dianalisis menggunakan Ansys Workbench Student 2024 R2. Simulasi struktural menunjukkan nilai tegangan maksimum sebesar 101.83 MPa, regangan 0.00052235 mm/mm, dan deformasi total 0.002026 mm, dengan nilai safety factor 2.45 yang mengindikasikan bahwa struktur aman. Simulasi termal dan pengujian aktual menunjukkan efisiensi distribusi panas sebesar 61.4%, dengan kehilangan panas sebesar 38.6% melalui konduksi, konveksi, dan radiasi. Perbedaan ini terjadi karena keterbatasan model simulasi dalam memperhitungkan kondisi nyata. Solusi yang diajukan mencakup pemilihan material heater yang lebih konduktif dan penataan ulang posisi heater untuk meningkatkan kontak termal. Hasil penelitian ini menunjukkan bahwa mesin thermopressing yang dirancang dapat berfungsi secara efektif untuk produksi biofoam ramah lingkungan.
Co-Authors Adi Sulianto Aini Nurrachmani Bahari Amanda Izzah Aulia Andi, Moch. Alfi Anggi Akhmad Ervantri Anggraini, Firdha Dwi Arnanda Ajisaputra 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 Dias Agustin Dwi Jayanti 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 Fariz Prayogi Herlambang Firdha Dwi Anggraini Firman Jaya Hadi Suyono hardiansyah, bagus Hartono, Elvianto Dwi Helmi Sambora Jati Batoro Jati Batoro Jati Batoro Joko Prasetyo Joko Prasetyo Kamsiatun Eka Pratama Kharimatul Khasanah 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 Nofiyanti, Sri Handayani Nur Hidayat Nur Komar Nur Samijayani, Octarina Nuraini Puji Astuti Nurtiti Nurtiti Nurtjahja Juniarsa 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 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 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