Judul: Analisis faktor-faktor yang mempengaruhi tingkat kesetiaan konsumen terhadap buah nasional di kabupaten Tangerang (Implementasi structural Equation Model)
Abstrak: Peningkatan konsumsi buah dipengaruhi oleh meningkatnya tingkat pendapatan dan jumlah penduduk khususnya di kota-kota besar terutama terutama di daerah Jabodetabek, meningkatnya jumlah orang asing, tumbuhnya hotel dan restoran, tumbuhnya industri pengolahan buah yang memerlukan bahan baku segar dan tumbuhnya pasar konsumen. Selain itu sejalan dengan dengan meningkatnya pendapatan dan kualitas pendidikan, maka meningkat pula kesadaran masyarakat akan kebutuhan gizi, serta perubahan gaya hidup (life style) masyarakat terutama di daerah perkotaan menjadikan konsumen lebih efektif dalam mengkonsumsi buah. Hal ini akan mendorong peningkatan kebutuhab buah-buahan dari segi kuantitas, kualitas dan kontinyuitas.
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Judul: Analisis Preferensi Konsumen dan Perilaku Konsumsi Buah-Buahan pada Masyarakat Kelas Atas (Studi Kasus di Kompleks Pemukiman Villa Duta, Kelurahan Baranangsiang, Kecamatan Bogor Timur, Kotamadya Bogor)
Abstrak: Semakin bertambahnya penduduk dan meningkatnya pendapatan serta kualitas pendidikan menyebabkan kesadaran masyarakat akan kebutuhan komposisi gizi yang seimbang meningkat dan konsumen menjadi lebih kritis serta lebih menyukai buah-buahan yang bermutu yang memenuhi preferensinya. Hal ini menyebabkan meningkatnya permintaan terhadap buah-buahan di dalam negeri.
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Judul: Pemurnian dan karakterisasi protein inhibitor RNA helikase virus hepatitis C
Abstrak: Hepatitis C virus (HCV) infection is the second most common chronic viral infection in the world with global prevalence. This infection is contribution to chronic hepatitis and liver cirrhosis, often leading to hepatocellular carcinoma. There is no effective drug and vaccine available against HCV. The current standard treatment, a combination of pegylated interferon-α with ribavirin, is limited by its suboptimal response rate in a significant patient population, side effects, and affordability. Therefore, development of effective drug is needed. One approach to find out the candidate of antiviral drug is to discover the inhibitor of enzyme that essential for virus replication, such as RNA helicase. Streptomyces chartreusis 5-095 produce the inhibitor of HCV RNA helicase. The aim of this study was to purify the protein inhibitor which has inhibition activity against ATPase activity of RNA helicase HCV from S. chartreusis 5-095. The supernatant of culture S. chartreusis 5-095 exhibited high inhibiton activity against ATPase activity of RNA helicase HCV (approximately 72%) at 10 days of incubation. The extracellular protein inhibitor was partially purified by procedures of precipitation with ammonium sulfate to 65% saturation and gel filtration (Sephadex G50) using methanol water solution (4:6) as an eluen. The purity of protein inhibitor was monitored by SDS PAGE. The protein inhibitor showed a relative molecular mass were estimated to be 14 kDa and increased the purity 23,08 fold than those of the crude protein. The specific activity and IC50 after purification were 13,1338 U/mg and 0,0767 mg/mL, respectively. The activity of purified protein inhibitor showed its stability over pH range from 5-8 and optimum at pH 7,4. The inhibition activity showed its stability up to 70% at temperature 100 oC. The purified protein inhibitor relatively stable its activity at storage in the range of -20 oC to room temperature for 35 days.
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