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Rachma Wikandari
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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 7 Documents
 1 
Search results for , issue "Vol 26, No 2 (2006)" : 7 Documents clear
Pengaruh Spesies Zingiberaceae (Jahe, Temulawak, Kunyit, dan Kunyit Putih) dan Keetbalan Isiran Sebelum Pengeringan terhadap Kadar dan Aktivitas Antioksidan Ekstrak Aseton yang Dihasilkan Aisyah Tri Septiana; Mustaufik Mustaufik; Hidayah Dwiyanti; Deddy Muchtadi; Fransiska Zakaria; Maria Menu Ola
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1468.305 KB) | DOI: 10.22146/agritech.9473

Abstract

This research was aimed to determine the influence ofzingiberaceae species and the influence ofslice thickness before drying process by using cabinet dryer to the antioxidant content (total phenolics and curcumin) and antioxidant activity (absorbance of peroxide and malonaldehide ). The results of the research showed that total phenolics of turmeric extract (216.57 ppm) and temulawak (190.41 ppm) > ginger (127,97 ppm) > white turmeric extract (31,13 ppm), where as curcumin content of turmeric (55,93 ppm) and temulawak extract (48,95 ppm) > white turmeric (6,51 ppm) and ginger extract (4,67 ppm). The antioxidant activity that is indicated peroxide and malonaldehide forming from 1 inoleic acid which is supplemented to temulawak extract, turmeric, and ginger extract > white turmeric extract. Turmeric, temulawak, and ginger extract had the antioxidant activity higher than tocopherol, where as white turmeric had lower antioxidant activity than a tocopherol. The slicing sample with slice size of 4 mm before drying process with cabinet dryer had rate and antioxidant activity better than that of 2 mm. The total phenolics of zingiberaceae extract with slice size of 4 mm (161,86 ppm) > 2 mm (121,18 ppm), and the curcumin content of zingiberaceae extract with slice of 4 mm (34,58 ppm) > 2 mm (23,45 ppm). The slice of 4 mm had a relatff higher value than the slice of 2 mm to the antioxidant activity zingiberaceae extract that is indicated peroxide and malonaldehide formation.
Mekanisme dan Kinetika Kuesing Aloe Emodin terhadap Fotooksida Asan Linoleat Yohana S. Kusuma Dewi; Tranggono Tranggono; Sri Raharjo; Pudji Hastuti
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1533.688 KB) | DOI: 10.22146/agritech.9474

Abstract

To study the effects of methylene blue and aloe emodin on the photosensitized oxidation were prepared in methylene chloride systems. The oxidation of linoleic acid was determined by measuring the peroxide value. The quenching mechanism and kinetics of aloe emodin in methylene blue-sensitized photooxidation of linoleic acid were studied by the steady-state kinetic methods. The methylene blue consentration was produced signicantly increased of peroxide value on singlet oxygen oxydation of linoleic acid The effect of aloe emodin concentration on singlet oxygen oxidation of linoleic acid was produced signicantly decreased of peroxide value of linoleic acid.. The calculated quenching rate of aloe emodin was 4.68 x 109 11I1 S -1. Aloe emodin both of quenched singlet oxygen and sensitizer to reduce photosensitized oxidation of linoleic acid by the singlet oxygen quenching mechanism and the excited triplet oxygen sensitizer quenching mechanism. The ability of antiphotooxidant activity of aloe emodin was affected by concentration.
Pengkayaan β-Karoten Mi Ubi Kayu Kayu dengan Tepung Labu Kuning (Cucurbita maxima Dutchenes) Sri Anggrahini; Ika Rahnawati; Agnes Murdijati
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1623.499 KB) | DOI: 10.22146/agritech.9475

Abstract

Pumpkin is a potential source of/3-carotene, therefore, can be used for )3-carotene enrichment of food such as cassava noodle, and then the cassava noodle can be used to increase the vitamin A intake of people. A base material to make cassava noodles are cassava flour; pumpkin flour and gluten. The objective of the research was to know the effect of the b-carotene enrichment of cassava noodle by pumpkin flour on the cassava noodle characteristics. The enrichment of the cassava noodle was made by adding pumpkin flour in various proportions i.e. 0, 5, 10, 15, and 20%. The cassava noodle were analyzed for the chemical, physical, and sensory propierties. The results showed that the cassava noodle that was enriched by 15 % pumpkin flour could be accepted by panelists. It can supply 147 RE/100 g of0-carotene. The chemical characteristics of cassava noodle were 74,85 % moisture, 2,99% ash, 15,75% protein, 3,44% fat and 77,83% carbohydrate contents.
Formulasi untuk Memperbaiki Flovor Bubur Buah Alpukat (Persea americana Mill) Hasil Restrukturisasi Zaki Utama; Sri Raharjo
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1456.317 KB) | DOI: 10.22146/agritech.9476

Abstract

The objective of this experiment was to develop novel restructured products from fresh avocado fruits puree and calcium-alginate gel forming method (internal setting). Gel forming by internal setting the calcium is released under controlled conditions simultaneously throughout the system. Restructuredfruit products were evaluated for pH, color, and sensory properties. Sodium chloride (0.5% and 1.0%) did not give better flavor for restructured avocado compare to product without it. The addition of sodium chloride precisely increases the sourness of the product. Restructured avocado product with citric acid concentration 0.05% and 0.1% were much preferred than product with citric acid concentration 0.5%. The addition of sugar (5%) to the restructured product significantly reduced the sourness. Compared to the addition of sodium chloride (0.5%), products with addition of sugar (2.5% and 5%) were significantly more preferable and the flavors were closer to fresh-cut avocado fruit.
Proses Pemurnian Asap Cair dan Simulasi Akumulasi Kadar Benzopyrene pada Proses Perendaman Ikan Purnama Darmadji; Huda Triyudiana
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2299.127 KB) | DOI: 10.22146/agritech.9477

Abstract

This research was aimed to determine the influence ofpurification on the concentration of tar and benzopyrene of prifiede liquid smoke and to simulate the concentration of benzopyerene during deeping of fish in the purified liquid smoke. The purification was done using several methods included sedimentation, filtration, adsorbtion, and redistillation at up to 100 C, 125 C, 150 C, and 200 C. The results of the research showed that during sedimentation, filtration, adsorbtion, redistillation at up to 100, 125, 150 and 200 C the concentration of tar was 1.24%, 1.19%, 0.45%, 0.44%, 0.59%, 0.72% and 1.20% respectivelly and the concentration of benzopyrene was 305 ppm, 110 ppm 0.196 ppm, 0.196 ppm, 0.196 ppm and 0.196 respectively. The stimulation of the dipping offish in redistillate liquid smoke showed that the fish dipped in 5% solution of redistillate liquid smoke for 15 minutes to 120 minutes the concentration of benzopyrene in fish was less than 1 ppb. That was indicate that redistilled liquid smoke was safe for dipping offish.
Intervensi Strategis Peningkatan Ketahanan Pangan Pedesaan Propinsi Jawa Tengah (Strategic Intervention in Promoting Village-Level Food Security in Central Java) Mochammad Maksum
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2987.26 KB) | DOI: 10.22146/agritech.9478

Abstract

The emergence of the food deficient phenomena in many localities proved that aggregative progress in food security does not necessarily guarantee the attainment of local food security in every village of the country. Anticipating that fact, therefore, this research was conducted to identify possible intervention strategies for intervening local social capacity in self-strengthening local food security system at village level based on selected typological character of village samples in Central Java. Four poor villages representing village typology were selected purposively to represent both the food-exporting and food-importing areas. Based on human right based approach, this comparative research found out a set of significantly different strategies in developing local capacity in food security through both demand and supply management. Supply capacity of exporting village must be strengthened through effective supply and storage system, whereas demand-based importing village capacity must be strengthened through income protection and management to improve purchasing power in meeting daily need for imported food. In addition, local empowerment centralized on institutional capacity building is hereby recommended for both the food exporting and importing villages to enable local institution to be skillful in resource mapping, effective in advocating people participation, and powerfill in facilitating participative decision making.
Pengaruh etika Kerja dan Komitmen pada Organisasi terhadap Kepuasan Kerja Mochammad Maksum; Wahyu Purwanto; G. S. Chotidjah
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2843.072 KB) | DOI: 10.22146/agritech.9479

Abstract

Work ethic have strategic role beyond company because its have many implication. One of theories which explain about work ethic is Webers Theory. Webers Theory tries to make a connection between success in business world and religious belief Weber 's Theory can be applied into various religious beliefs and do not focus only in one belief. Unfortunately, most researches about work ethic tend to using work ethic in Protestant Work Ethic framework, this framework may be fit to use in western countries. There is little research which tries to scrutinize Islamic work ethic. On the contrary, in eastern countries such as Indonesia which Islam was became major religion of its citizens, Islamic Work Ethic concept was more appropriate to used rather than Protestant Work Ethic. This research studied the impact of lslamic Works Ethic and organizational commitment toward job satisfaction and life satisfaction of PT BPR SKA Divisi Agrodana employees. Population in this research is 72 employees of PT BPR SKA Divisi Agrodana employees. All populations member were became respondent in this research. Questionnaire method used in this research to collect the data. Structural Equation Modeling was used as data analysis technique. To simplify its computation, AMOS 4.01 computer program were used. The result show that Islamic Work Ethic and organizational commitment have positive and significant impact toward job satisfaction, further more job satisfaction have positive and significant impact toward life satisfaction. Model proposed in this study was met the goodness of fit criterions, thus this model were fit both theoretically and empirically.

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