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agriTECH

agritech
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Published by Universitas Gadjah Mada

ISSN : 02160455 EISSN : 25273825 DOI : 10.22146/agritech

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Agritech with registered number ISSN 0216-0455 (print) and ISSN 2527-3825 (online) is a scientific journal that publishes the results of research in the field of food and agricultural product technology, agricultural and bio-system engineering, and agroindustrial technology. This journal is published by Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta in colaboration with Indonesian Association of Food Technologies (PATPI).

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)

Articles 1,392 Documents

113 114 115 116 117

Pengaruh Drajat Penyosohan terhadap Mutu Fisik dan Nilai Gizi Beberapa Jenis Beras Hasnelly Hasnelly; Evi Fitriani; Shelvi Putri Ayu; Hervelly Hervelly
agriTECH Vol 40, No 3 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

High hulling process decreases the nutritional value and rice quality including milled rice because the macronutrient contained in the aleurone is wasted. Therefore, this study aims to ascertain the effects of hulling level on the quality and characteristics of red rice, black rice, and white rice, which would help produce high quality milled rice. Linear regression method was used, and the contents analysed were moisture, fat, ash, carbohydrate, anthocyanin, quality, rendemen, starch digestibility, and color. The results showed hulling would affect the proximate content and physical characteristics of milled rice. Also, low hulling of black rice produced the highest physical score, with high anthocyanin, and low starch digestibility which was good for diabetic consumers.

Karakteristik Fisik Beras Analog Instan Berbasis Tepung Jagung dengan Penambahan k-Karagenan dan Konjak Indah Kurniasari; Feri Kusnandar; Slamet Budijanto
agriTECH Vol 40, No 1 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Instant analog rice is a form of product development from analog rice that is ready for consumption without the need to be cooked first but only needs to be soaked in boiling water for 3-5 minutes. The main challenge in developing instant analog rice is to reduce rehydration time while maintaining the integrity and texture of the rice produced. Hydrocolloids in the form of κ-carrageenan and konjac with concentrations of 0.5‒10.0%, both as a single additive and in combination, were added to the corn-based analog rice formula. Then, their effects on the physical characteristics of the instant analog rice were studied. The addition of κ-carrageenan and konjac in combination at a concentration of 5% each (KK10) showed the best results. This instant analog rice had a lower degree of breakage and bulk density, 2.02% and 0.39 g/mL, respectively. It showed a more hollow rice microstructure than the control and other combinations. KK10 instant analog rice can be rehydrated by soaking in boiling water for 3.5 minutes. The rehydrated rice had high grain integrity, with hardness, springiness, and chewiness values of 548.14 g; 0.86; and 229.76 g, respectively.

Reviewer Volume 38, Tahun 2018 Volume 38 Tahun 2018
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Indeks Penulis Volume 38, Tahun 2018 Indeks Penulis Volume 38 Tahun 2018
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Indeks Subjek Volume 38, Tahun 2018 Indeks Subjek Volume 38 Tahun 2018
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Pemurnian Produk Mono-Diasilgliserol (MDAG) Hasil Gliserolisis Kimia dengan Metode Demulsifikasi Krim Satiti Kawuri Putri; Purwiyatno Hariyadi; Mursalin Mursalin; Nuri Andarwulan
agriTECH Vol 40, No 1 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Cream demulsification is one of the purification method for separating the glycerol residue contained as emulsion with MDAG’s product. This method could be used to break emulsion system by adding electrolyte solution. This research aims to compare the performance of calcium chloride and calcium nitrate as electrolyte solution that is used in the process of cream demulsification. MDAG used was Fully Hydrogenated Palm Kernel Oil (FHPKO) from glycerolysis process. Based on student t-test, there was no significant difference (p>0,05) detected between the products of cream demulsification method using calcium nitrate and calcium chloride as electrolyte solution. It was discovered that calcium nitrate reduced residual glycerol from 11,69±0.88% to 0,57±0,07%; with characteristics of MDAG’s products were free fatty acid (ALB) of 8,51±0,94%, monoacylglycerol (MAG) of 31,53±3,27%, diacylglycerol (DAG) of 19,46±0,52%, triacylglycerol (TAG) of 39,93±4,66% and yield of 81,00±3,61%.respectively. In other hand, calcium chloride reduced residual glycerol from 11,69±0,88% to 0,64±0,06%; with characteristics of MDAG’s products were ALB of 8,91±0,71%, MAG of 9,79±1,97%, DAG of 19,16±0,53%, TAG of 41,49±3,24% and yield of 80,00±4,00%, respectively. Therefore, calcium nitrate can be to replace calcium chloride as electrolyte solution in cream demulsification method, especially in reducing the glycerol residue.

Collaborative Strategy for the Supply Chain of Rice: A Case Study on Demak and Sukoharjo Regency, Central Java, Indonesia Adi Djoko Guritno; Novita Erma Kristanti; Megita Ryanjani Tanuputri
agriTECH Vol 41, No 1 (2021)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The problems associated with rice production in Indonesia appear very complicated, due to poor management of the sufficient national rice stock and various unfavorable public policies. Recently, government’s directives on rice importation instigated polemics from several interests, as a result of inappropriate decisions on general rice production, with possible yearly increment. Therefore, there is need to embrace strategy development to balance demand and supply. The purpose of this study was to analyze the rice supply chain in Demak and Sukoharjo, Central Java Province, in an effort to provide effective and collaborative distribution policies at individual levels. In addition, in-depth interviews were conducted for 98 respondents in a bid to acquire relevant and current information for the conceptual framework development. Furthermore, sampling methodologies, termed purposive and snowballing, were applied, followed by the preparation of interview guidelines. The results showed the farmers obtained the lowest revenue margin among other tiers, while several technical challenges were also identified. Consequently, the activities of middlemen with excessive dominant roles in market price determination, were overemphasized, leading to an inefficient supply chain. Meanwhile, government’s position through the Indonesia Logistics Bureau (BULOG) is assumed to be vulnerable in the control of direct supply from farmers or collectors. Based on this study, intense comprehension of rice supply chain was achieved, with further provision of collaborative strategies towards promoting the balance of demand and supply.

Karakteristik Fisik, Kimia, dan Fungsional Pati Ubi Banggai Asetat pada Berbagai Variasi Waktu Reaksi If'all If'all; Asriani Hasanuddin; Abdul Rahim; Syahraeni Kadir
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Banggai yam plant (endemic in Banggai Kepulauan Regency) is a potential raw material in production of modified starch. The one of techniques to increase the value of starch is modification of starch by acetylation method. This study objectives to determine the physical, chemical and functional characteristics of Banggai acetate yam starch at various reaction times. The study used a Completely Randomized Design with treatment time reaction (T), namely T1: 30 min, T2: 35 min, T3: 40 min, T4: 45 min, T5: 50 min, T6: 55 min. This study was conducted to determine the characteristics of yam acetate starch, which includes percent acetyl, degree of substitution, water and oil holding capacity (WHC/OHC), flammability, solubility, moisture content, ash, fat, protein, starch and amylose starch. The results showed that the longer reaction time under certain conditions will increase the acetyl percent, degree of substitution, WHC, OHC, flareability, solubility but reduce levels of fat, water, ash, fat, protein, starch and amylose starch, yam acetate. In this study at the best reaction time is (50 min), gives the acetyl percent 8.658% and substitution degree of 0.356, the value of WHC, OHC, Swelling ratio and solubility of 32.21%, 30.21%, 1.98 g/g, and 19.17% respectively.

Design Conformity of Indonesian-Made Mini Rice Combine Harvester and Anthropometry of Javanese Farmers Guntarti Tatik Mulyati; Muhammad Maksum; Bambang Purwantana; Makhmudun Ainuri
agriTECH Vol 40, No 2 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The combine harvester in Yogyakarta Province Special Region has a small size because it is used to harvest rice in a narrow area. The purpose of this study is to determine which parts of the mini combine harvester machine are not ergonomic and need to be improved so that the operator can work comfortably and safely. The types of mini combine harvester machines investigated in this study are QUICK H140R, TANIKAYA Ironbee HT12, and JAP001. Results showed that, for the three combine harvester machines, there was a mismatch in the physical size of the engine and the anthropometry of the operator. The main problems of the mini combine harvester machine are less ergonomic seat, inappropriate placement of the control table, hand activity in the maximum area, narrow workspace for leg movements, and less supportive footstep for the operator to work while standing. This information is expected to be utilized by Indonesian mini combine harvester machine designers so that the new design of combine harvester machines will be ergonomic, safe, and comfortable.

Utilizing Real-Time Image Processing for Monitoring Bacterial Cellulose Formation During Fermentation Darmawan Ari Nugroho; Lilik Sutiarso; Endang Sutriswati Rahayu; Rudiati Evi Masithoh
agriTECH Vol 40, No 2 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

In general, nata is a bacterial cellulose results from bacterial fermentation of Gluconacetobacter xylinus. During the fermentation process, bacterial cellulose accumulates on the surface of the medium and is eventually visible. The parameter of the end of the fermentation process is indicated by the formation of bacterial cellulose sheets with a certain thickness. During this time, the determination of the success of the fermentation process is done by direct observation of the thickness formed. In this way, the failure of the fermentation process cannot be detected early. Real-time monitoring during the fermentation period will be very helpful to monitor the speed of bacterial cellulose formation and early failure detection of the fermentation process. Currently, image processing has been widely used for various purposes. This study describes how to utilize image processing to monitor bacterial cellulose formation during the fermentation process. For this reason, it is necessary to modify the fermentor by making an area to shoot and follow any thickness increase in the bacterial cellulose, as well as painting the fermentor in dark color to better contrast with the bacterial cellulose color. The device used is the Raspberry Pi, which has been connected to a web camera. Once the image has been captured, it is then processed to calculate the thickness, after which the thickness data are sent to the database.

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Fiametta Ayu Purwandari

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+6285712601130

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agritech@ugm.ac.id

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Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281, Indonesia

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Kab. sleman,

Daerah istimewa yogyakarta

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Abstract

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Abstract

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Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Fiametta Ayu Purwandari

Contact Email fiametta@ugm.ac.id

Phone +6285712601130

Journal Mail Official agritech@ugm.ac.id

Editorial Address Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281, Indonesia

Location Kab. sleman, Daerah istimewa yogyakarta INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Fiametta Ayu Purwandari

Contact Email
fiametta@ugm.ac.id

Phone
+6285712601130

Journal Mail Official
agritech@ugm.ac.id

Editorial Address
Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281, Indonesia

Location
Kab. sleman,

Daerah istimewa yogyakarta

INDONESIA