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Rachma Wikandari
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Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281, Indonesia
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agriTECH
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 18 Documents
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Search results for , issue "Vol 38, No 4 (2018)" : 18 Documents clear
Karakteristik Edible Film Aloe vera dengan Emulsi Extra Virgin Olive Oil dan Kitosan Yoga Pratama; Miranda Miranda; Antonius Hintono
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (265.857 KB) | DOI: 10.22146/agritech.34499

Abstract

Edible film is a potential biodegradable packaging in the food industry. This research is aimed to determine the physical, chemical and mechanical properties of Aloe vera with extra virgin olive oil and chitosan emulsion edible film. Complete Randomized Design was used with five treatments and four repetitions. The treatments were composition ratio between Aloe vera gel and extra virgin olive oil (EVOO) - chitosan emulsion that consists of T1 (40:60), T2 (45:55), T3 (50:50), T4 (55:45) and T5 (60:40). The method used in this study included making Aloe vera gel and an emulsion of EVOO 1% (v/v) in chitosan 1% (b/v), homogenizing the materials, casting and drying. The results showed that range of film thickness, solubility, water vapor permeability, antioxidant activity, extension and tensile strength were 0.067-0.073 mm, solubility 48.70-65.73%, 1.39 × 10-5 – 1.77 × 10-5 g mmHg-1 m-1 h-1, 3.31-6.56%, 6.78-14.72% and 0.29-0.68 MPa. The edible film composition showed significant difference (p ≤ 0,05) for thickness, solubility, antioxidant activity, extension and tensile strength film, however, the water vapor permeability was not significantly different (p ≥ 0,05).
Fermentasi Isothermal Biji Kakao (Theobroma cacao. L) dengan Sistem Aerasi Terkendali Sri Hartuti; Nursigit Bintoro; Joko Nugroho Wahyu Karyadi; Yudi Pranoto
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (100.228 KB) | DOI: 10.22146/agritech.35412

Abstract

Cocoa bean fermentation is one of the important factors that must be done to produce high-quality chocolate. The success of the process is usually determined by changes in air temperature that occur during fermentation and the change in color of cocoa beans from purple to brown after going through a process of fermentation and drying. This study aims to determine the changes in the temperature of isothermal fermentation, as well as the quality of cocoa beans produced. Aeration rate and air temperature during fermentation are controlled to ensure optimal heat changes during the fermentation process. The parameters varied during the test were: the length of ripening of the cocoa fruit before fermentation, as well as the rate of aeration and the air temperature of the fermenter during fermentation. The results showed that during the fermentation process, there was an increase in the temperature of the cocoa beans from 25 °C to 63 °C. The results of the split test showed that the percentage of fermented cocoa beans was 67 - 87%, the percentage of partially fermented cocoa beans was 10 - 24% and unfermented cocoa beans 1 - 8%, and the average yield of dried cocoa beans was 38,5%. The fermented cocoa beans that have been carried out have met the quality standards of Indonesian cocoa beans (SNI 2323: 2008 / Amd 1: 2010).
Risk Mitigation on Supply Chain of Rice: Case Study at Demak and Sleman Districts Adi Djoko Guritno; Novita Erma Kristanti; Megita Ryanjani Tanuputri
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (181.091 KB) | DOI: 10.22146/agritech.38529

Abstract

Rice is a vital commodity in Indonesia because it is the main staple food for most Indonesian people.  Balancing supply and demand of rice in Indonesia is complex and has possibly led to polemics, even though the production of rice in Indonesia tends to increase. An analysis of the supply-demand for rice commodity is, therefore, necessary as an effort to improve the national rice condition along with the logistics and supply chain point of view. This study aims to analyze the supply chain risk management of rice to provide recommendations on improving rice supply chain performance on each tier. This study was undertaken at Demak and Sleman Districts, Indonesia. In-depth interviews were used to enrich the information from the respondents along the supply chain. In this study, tiers on the supply chain of rice mainly consists of farmers, collectors who also acts as traders, and retailers. Meanwhile, the role of government is represented by The Indonesia Logistics Bureau (BULOG). The different supply chain pattern could be identified from the role of middleman in each province. This study uses ISO 31000:2009 standard for analyzing the risk in each tier along the supply chain. Based on the risk analysis, on-farm activity plays a vital role in transferring risk along the supply chain in terms of quality and quantity. Risk mitigation of each tier was explored in this study.
Penentuan Pola Tanam Padi dan Jagung Berbasis Neraca Air di Kecamatan Lewa Kabupaten Sumba Timur Yonce Melyanus Killa; Bistok Hasiholan Simanjuntak; Nugraheni Widyawati
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (177.537 KB) | DOI: 10.22146/agritech.38896

Abstract

Lewa is one of districts in East Sumba Regency, Nusa Tenggara Timur (NTT) Province. It is characterized by dry land, its agriculture depends on rain. The main commodities are Oryza sativa and Zeamays. Due to lack of water, the cropping pattern design is vital. One of methods for designing crroping pattern is water balance analysis. The aim of this study was to understand water balance status and to decide the cropping pattern based of paddy and corn farming in Lewa District. The NRCS Java Newhall Simulation Model (jNSM) was adopted for water balance modeling. The water balance status then was mapped by using the Arc view software for showing total water availability in Lewa district. There were two zones: I (water availability 413 mm/year) and II (water availability: 868 mm/year). Based on the water availability, the zone I could be designed one period a year in rainy season (December-April) with cropping option paddy or corn. While zone II could be planted two times with cropping option corn-paddy or corn-corn.
Pengaruh Fortifikasi Zat Besi terhadap Sifat Kimia dan Sensori Biskuit Ubi Kayu yang Disuplementasi Tepung Ikan-Tempe Retno Setyawati; Nur Aini; Hidayah Dwiyanti
agriTECH Vol 38, No 4 (2018)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2666.736 KB) | DOI: 10.22146/agritech.39522

Abstract

The prevalence of anemia in pregnant women in Indonesia in 2013 was still high at 37.1%. The impact of anemia on long-term pregnant women causes a decrease in the quality of human resources. Therefore, it is necessary to provide foods with high iron content and which are easily absorbed. Cassava biscuits that have been enriched with Tempe fish flour and fortified Fe are expected to be an alternative to anemia control and pregnant women PEM through a "food-based" approach. The study aims to produce cassava biscuits supplemented with Tempe fish flour and fortified Fe, so that it contains high protein and Fe and has good sensory properties. The experimental design used in the study was Randomized Block Design with 2 factors: type of fortification (F); FeSO4 (F1); NaFeEDTA (F2), and concentration of fortification (K), i.e. 0 ppm (K1); 30 ppm (K2); 45 ppm (K3); 60 ppm (K4); and 75 ppm (K5). The variables observed included water content, Fe content, free fatty acid levels, and peroxide numbers. While sensory properties are texture, fishy smell, metallic taste, and level of preference. The results showed that fortification with 45 ppm FeSO4 was the best treatment that produced biscuits with the best sensory properties. The biscuits have the characteristics of 6.01±0.54% moisture content, 43.69±0.34 ppm db Fe content, 1.17±0.02% free fat acid content, and 9.66±0.76meq O2 / kg peroxide rate. The sensor characteristics are rather crisp texture, less noticeable fishy aroma, less noticeable metal flavor, and rather preferred taste.
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (79.899 KB) | DOI: 10.22146/agritech.47980

Abstract

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (73.744 KB) | DOI: 10.22146/agritech.47981

Abstract

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (85.362 KB) | DOI: 10.22146/agritech.47983

Abstract

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