Judul: Analisis Preferensi Pangan Masyarakat Dan Daya Dukung Gizi Menuju Pencapaian Diversifikasi Pangan Kabupaten Bogor
Abstrak: General objective of this study is to analyse Community’s Food Preference and nutritional carrying capacity in the direction of food diversification achievement in Bogor Regency. The spesific objectives are (1) to analyse individual characteristic sample i.e. last education, salary per capita, expenditure per capita, (2) to identify environment characteristic i.e. number of family, job, information from mass media, and production, (3) to identify food preference, (4) to analyse the correlation between food preference with individual and environment characteristic, (5) to analyse local food’s production and preference. Design of this study was cross sectional study with cluster analysis and simple random sampling. Number of sample is 106 for two region characteristics. Data were analized by Microsoft Excel and SPSS 16.0 for Window. Food preference of Bogor Regency community shows that almost sample like to 9 food groups in Desireable Dietary Pattern. The reason of this food preference is food factor (taste, nutrition content, food processing). Local food potential in order to reach food diversification consider to food preference and production. It also an alternative way to fulfill carbohidrat, animal and plant based protein, vitamin and mineral needs. Output of Chi square dan Spearman analysis show that almost food don’t have correlation (p>0.05) with individual and environmental characteristic. Potensial local food based on food preference and production as alternative food for food diversification i.e. corn, cassava, sweet potato, taro (carbohydrate sources): fish, mung bean, tempe, tofu (protein sources); and green leaf vegetables, cow peas, banana and guava (vitamins and minerals sources). Production data shows that corn, fish, mung bean, and soybean production need to be increased its production or import from the other region, especially in West Java. This analysis need to support food preference and by itself it will also support food diversification.
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Judul: Preferensi Pangan Anak Sekolah Dasar Di Kota Bogor
Abstrak: Food preference has an important role in defining children’s food pattern. Food preference that is formed earlier will persist to influence food preference in adult. In the other words, children’s food preference is a critical point in defining adult’s food preference. Thus, study about children’s food preference and many factors that were related is important to do. The general objective of this study was to identified factors that is correlate to food preference of school children in bogor city, and the specific objectivess were to: 1). Identified individual characteristic of subject, 2). Identified Family’s socio economics condition of subject, 3). Identified school children’s food preference, and 4). Analyze correlation between food preference and many factors. This study used cross-sectional design and the subject was 90 students from 3 elementary school in Bogor City. The correlation between factors and food preferences analized use inferensia statistics which are: Chi Square and Rank Spearman. Food preference of school children shows that school children tend to like certain kind of food in each food groups. There are several kinds of food in each foods group which is less like by school children. Fruits are liked by most school children. Most of school children like a kind of food because of the organoleptic characteristic of food, especially taste. Individual characteristics and family’s socio economic conditions explained little of the variation in school children’s food preference. The statistic test shows that preference of certain food has correlation with individual and family’s socio economic conditions. School children’s food preference doesn’t not show variety yet. Interventions are needed to direct school children’s food preference become more various.
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Judul: Elektrodeposisi Film Tipis Semikonduktor Cu2ZnSnS4 (CZTS) pada Substrat Kaca ITO
Abstrak: Semiconductor Cu2ZnSnS4 (CZTS) thin film that can be used as absorber layers on solar cell module was made via electrodeposition method. CZTS thin film was electrodeposited on the surface of a silicate glass coated with a thin layer of indium tin oxide (ITO). Deposition process was done using potentiostatic mode at room temperature with a potential of 1.05 V for 30, 45, and 60 minutes, followed with annealing the film at 2 different temperatures, 500 ºC using furnace and 180 ºC using hot plate, both treatments for 45 minutes in N2/H2S atmosphere. The X-ray difractograms were analyzed using Match 2 program and showed that the CZTS thin films had kesterit crystalline structure, with a low percentage of CZTS phase. The thin film also contained secondary phases such as Cu2S, ZnS, and SnS. The obtained CZTS thin films had a thickness between 1.039 and 1.676 μm. Absorption study showed that the band gap energy of CZTS thin films which was annealed using furnace ranged from 1.50 to 1.52 eV, whereas that annealed using the hot plate was not observed. The band gap energy value showed that CZTS thin films can be used as sunlight absorber layers on solar cell. The formation of CZTS crystal film on this investigation was effectively performed using furnace annealing process at a temperature of 500 ºC with deposition time of 45 minutes.
Keyword: Thin film, Electrodeposition, Cu2ZnSnS4