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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 13 Documents

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Search results for , issue "Vol 40, No 4 (2020)" : 13 Documents clear

Rantai Nilai Cabai di Kawasan Lereng Gunung Merapi Daerah Istimewa Yogyakarta Agus Dwi Nugroho; I Made Yoga Prasada; Saraswati Kirana putri; Herdiana Anggrasari; Pinjung Nawang Sari
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Fluctuation of the availability and prices of chili happen because the poor of the value chains. This research intended to know the mechanism related to the product, financial and information flow and development strategy to solve the problem of the chili’s value chain on the slopes of Mount Merapi. This research was conducted in Pakem District, Sleman Regency from May-August 2017. The method to determine the farmer respondents is random sampling while the merchants chosen by snowball sampling. The research used descriptive and SWOT analysis. The results showed that the most efficient marketing channels when farmers sell chili to the consumers through the retailers. Overall, the chili’s value chain included in the current category. Unfortunately, there are still some problems such as weak of the farmer cultivation ability and fluctuation of production and price. To solve this problem, the local government need make intensive counseling and training of chili cultivation, post-harvest handling in a professional and strengthen the auction market in Sleman Regency.

Sinbiotik Ekstrak Ubi Ungu dan Probiotik Lokal pada Yogurt: Kesehatan Pencernaan, Hematologi, dan Sistem Imun Agustina Intan Niken Tari; Catur Budi Handayani; Sri Hartati
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The bacteria presence in the gastrointestinal tract is one of the important factors determining the support for body health among others. Therefore, it is essential to maintain a population balance, possibly achieved by consuming local probiotic-based sinbiotic yoghurt. The purpose of this study, therefore, was to evaluate the effectiveness of purple sweet potato extracts and local probiotics supplemented in yogurt by a healthy profile. Furthermore, the Health parameters evaluated include gastrointestinal (faecal water), hematology (number of erythosit, leukocyte, hemoglobin and hemtocrit) and immune system (antibody titer) in Spraque dawley albino mice. This study was performed using a Completely Randomized Design on 30 rats divided into 6 groups. Therefore, those in group K- were administered distilled water from day 1st -21st, YTP = yogurt without probiotics from day 1st -21st, YDP = probiotic yogurt from day 1st- 21st, YTP+E = yogurt without probiotic from day 1st- 21st, interspersed EPEC on day 8th – 14th, YDP+E = yogurt from day1st- 21st, interspersed EPEC on day 8th-14th, K + = water from day 1st- 21persed EPEC on day 8th – 14th, YDP+E = probiotic yogurt from day1st- 21st, then fed EPEC on day 8th- 14th. The results showed the effectiveness of probiotic yogurt treatment with purple sweet potato extract supplementation in healthy gastrointestinal (faecal water), hematology (number of erythrocyte, leukocyte, hemoglobin and hematocrit) and immune system (titre antibodies). This phenomenon results from infection by EPEC (Enteropathogenic Eshericchia coli), which is responsible for diarrhea. Furthermore, the YDP treatment possessed a water content characterized by 48.42% feces, while the number of erythrocytes, leucocytes, haemoglobin and hematocrit were 8,58x106/μl, 14,15 x106/μl, 13.98 g/dL and 47,67 mL%, respectively. Moreover, 6,42 log of antibody titers was also determined.

Karakteristik Fisika-Kimia Kulit Singkong Asal Samarinda dan Akseptabilitas Sensoris Keripiknya Sebagai Camilan Diet Krishna Purnawan Candra; Ainudin Ainudin; Muhammad Arifin; Yuliani Yuliani
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The aim of this research was to determine the physicochemical characteristics of cassava peel and the sensory acceptability of its chip form three varieties generally planted in Samarinda, e.g. Pacar, Kuning/Mentega, and Buton cassava. The flour of the three cassavas pulp has HCN content of 14.04, 12.02, and 19.38 mg/kg. A single factor experiment arranged in Completely Randomized Design and each treatment was repeated nine times. Thickness, moisture content, crude fibre content, and ash content of the casava peel were observed, as well as hedonic and quality hedonic sensory acceptability of cassava peel chips for crispiness, taste, aroma, and colour. The result showed that except moisture content, the peel of the three cassava varieties was significantly different (p<0.05) for the thickness, crude fibre content and ash content. The moisture content of the three cassava varieties was around 66.70-70.07%. Peel of Pacar, Kuning/Mentega and Buton cassava has a thickness of 1.52, 2.32, and 1.84 mm, the crude fibre content of 2.70, 2.18, 1.68%, and ash content of 1.19, 2.18, and 0.94%, respectively. The cassava peel chips of the three cassava varieties were significantly different (p<0.05) for hedonic and quality hedonic acceptability (crispiness, taste, aroma, and colour). Pacar cassava showed the most acceptable for crispiness and taste, which has a hedonic and hedonic quality scale of 4.50 (1-7, crispy moderately to crispy) and 5.35 (1-7, taste moderately like cassava to taste like cassava).

Karakteristik dan Komposisi Asam Lemak pada Minyak Biji Kenaf dari Lima Varietas Karangploso (KR) (Hibiscus cannabinus L.) Elda Nurnasari; Nurindah Nurindah
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The Kenaf seed has narrow applications despite the relatively high oil content. This study therefore aims to identify the fatty acid content and chemical characteristics of kenaf seed oil derived from five superior varieties released by Balittas. These include Karangploso (KR) 6, 9, 11, 12, and 14, estimated to have oil content between the range 22.71–32.-32%. Furthermore, the quality is determined by testing several parameters, encompassing the acid number, free fatty acid level, iodine, saponification and peroxide number. The result show an acid rate range of 2.21 mg KOH/g (KR 12) - 3.28 mg KOH/g (KR 11) in kenaf seed oil. Meanwhile, the free fatty acids varied from 1.10–1.64%, with saponification (194.97–243.91 mg KOH/g) iodine rate (54.72– 71.44 g Iod/100 g) and peroxide rate (33.97 mec/kg (KR 14) - 56.23 mec/kg (KR 6)). The kenaf seed oil was concluded to contain numerous essential fatty acids, and oleic acid (44.73% KR 9; 43.01% KR 14), as well as linoleic acid (42.19% KR 12) exhibited the highest amounts.

Pengaruh Gelombang Mikro terhadap Kualitas Hasil Minyak Atsiri Jahe (Zingiber officinale) dengan Hidrodistilasi Bambang Dwi Argo; Febriyanti Ariska Amaliyah
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Essential oil commodity is one form of strategic export product that has high economic value, one of which is ginger essential oil. The optimal method of extraction ginger essential oil is still a research topic in an effort to increase its quantity and quality. The purpose of this research is to obtain the optimal heating process parameters with microwave. Ginger essential oil produced by hydro-distillation and microwave pretreatment with 100 and 180 W of maximum output and 1, 2, 3, 4, and 5 min of pretreatment duration. Parameters of essential oil obtained were evaluated, i.e. yield, density, refractive index; total acid number, and zingiberene content. The results indicated that microwave pretreatment with 100 W and 2 min as the best microwave pretreatment combination. The combination produced ginger essential oil with 1.364% of yield, 0.889 g/mL of density, 1.49 of refraction index, 1,5 of total acid number, and 24.7% of zingiberene content. The parameters of the microwave heating process as pretreatment have succeeded in producing ginger essential oil with better quantity and quality.

Studi Komparasi: Produksi Bioetanol Nira Batang Kelapa Sawit oleh Flokulan dan Non- Flokulan Saccharomyces cerevisiae Kafidul Ulum; Indria Purwantiningrum; Retno Dwi Yustina; Untung Murdiyatmo; Agustin Krisna Wardani
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Two types of yeast were used for bioethanol production from oil palm trunk sap, the flocculant Saccharomyces cerevisiae NCYC1195 and nonflocculant Saccharomyces cerevisiae Kyokai 7 (NCYC-479). Flocculant Saccharomyces cerevisiae is yeast that has ability to aggregate into flocks which precipitate rapidly in culture medium. The effect of urea as a nitrogen source was also investigated in this study. Some concentrations of urea were added i.e. 0%, 0.1%, 0.2%, and 0.3% (w/v) during fermentation. The purpose of this study is to obtain the best condition by strain of Saccharomyces cerevisiae and urea concentration for the highest ethanol production. The highest ethanol production and yield was obtained at 4.86% (v/v) and 0.52 (g/g) respectively, by nonflocculant Saccharomyces cerevisiae Kyokai 7 (NCYC-479) without the addition of urea.

Pengaruh Kombinasi Enzim Pektinesterase dan Poligalakturonase terhadap Klarifikasi Sari Buah Apel Varietas Manalagi Esti Widowati; Rohula Utami; Bambang Sigit Amanto; Edwi Mahadjoeno; Agrizka Armunanta Putri
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Apple is a fruit with numerous nutrient content alongised high levels of harvest and consumption. The Manalagi is one of the varieties grown in Indonesia,characterized by a yellowish green coloration, sweet taste, as well as easy rot and damage potentials. Hence, many people have encouraged the need to process raw samples into processed juice products. This practice raises the sale value and prolongs the shelflife. However, the apple juice have a major challenge of easy browning and turbidity, resulting from the pectin content. Furthermore, removal is harder due to turbity, exceptthrough enzymatic depectination, with the pectinase enzymes, particularly pectinesterase (PE) and polygalacturonase (PG). The presence of these materials in the juice mixture leads to inherent pectin degradation into smaller fractions and consequently ensures clarity. In addition, the research involved Completely Randomized Factorial Design (CRFD) with two factors, including enzyme concentration (0.5% and 1%) and PG:PE ratio (1: 5, 1: 2, 1: 1, 2: 1; 5 : 1). Therefore, the data obtained were analyzed using two way ANOVA with 5% significance level. The variance analysis result showed the effect of concentration on pH and transmittance value, while the ratio influences Total Soluble Solid (TSS) and transmittance value. In addition, both variables collectively affect pH and viscosity values. The best treatment for manalagi apple juice clarification was obtained with 0.5% concentration samples and PG: PE ratio 5:1.

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.

Consumer Behavior Intentions to Purchase Daily Needs through Online Store Channel Moh. Wahyudin; Henry Yuliando; Amalia Savitri
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The inception of the 4.0 industrial era led to the evolution of internet information technology, which significantly changed the business sector’s marketing, transaction, and payment systems into online stores. This new marketplace is an important business infrastructure used to develop marketing strategies in this technological era. Therefore, it enables companies or enterprises, including those in the retail sector, to remotely sell daily products, such as cooking needs, foods, snacks, beverages, toiletries, and laundries through various online platforms. Furthermore, these companies need to creatively and anticipatively participate in the various trading competition by having an online shopping channel. This study aims to measure consumer behavior intention in using the online store channel to purchase daily needs products in order to determine the influence of convenience and risk transactions on behavioral intentions. Data were obtained from respondents that consistently make use of online stores channel. The result showed that consumers’ ease and convenience during transactions, especially in terms of payment and delivery service, have a positive and significant effect on their attitude and behavioral intention to use online store channel to purchase daily needs products.

Performansi Alat Pengering Terowongan Tenaga Surya Tipe Hohenheim untuk Pengeringan Kerupuk Tiram Rita Khathir; Eka Pratika Sari; Raida Agustina
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The aim of this study is to evaluate the performance of type Hohenheim solar tunnel dryer in drying Oyster kerupuk. This dryer was designed based on solar energy under two systems i.e. by using a solar collector and a greenhouse effect. The dryer has a dimension of 2 m length and 1m width, with about 1.5 m² and 0.5 m² drying and absorber area, respectively. In addition, oyster kerupuk were dried at 3 different depth layers, including at 2, 4, and 6 mm, and the parameters observed comprise solar irradiation, temperature and humidity, moisture and the protein content of oyster kerupuk. The results showed an average solar irradiation of 370-390 W/m², with potential application between 9.00 am-17.00 pm, daily. Moreover, the temperature at the drying chamber was gained within the range 39.7-40.9 °C, while the average ambient temperature was 31.3-3.6 °C. The drying chamber had a relative humidity of 47.8-50.5%, and was reportedly lower than the ambient value. Furthermore, the drying time used at a 2 mm layer depth was 10 h, while 12 hours was required for the 4 and 6 mm. The moisture content of samples at 2, 4, and 6 mm was 6.5%, 10.08 and 9.68%, respectively, while the protein composition was 6.52%, 7.62%, and 8.89%, correspondingly. Hence, the Hohenheim tunnel dryer is estimated to possess adaptive characteristics required for the drying process of oyster kerupuk at the 6 mm depth, although further evaluation is needed to improve its performance.

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Contact Name
Rachma Wikandari

Contact Email
rachma_wikandari@mail.ugm.ac.id

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+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

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Rachma Wikandari

Contact Email rachma_wikandari@mail.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
Rachma Wikandari

Contact Email
rachma_wikandari@mail.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