Judul: Analisis Preferensi Konsumen dan Pilihan Usaha Pedagang Pengecer terhadap Buah Lokal dan Buah Impor (Studi Kasus di Kotamadya Bogor)
Abstrak: Belum terpenuhinya angka kecukupan konsumsi buah di Indonesia mencerminkan adanya potensi dasar domestik untuk buah. Peluang pasar ini diisi oleh buah lokal dan buah impor. Dengan semakin bebasnya perdagangan dunia pada saat ini impor buah ke Indonesia sudah tidak bisa dibendung lagi. Konsumen dan pedagang pengecer buah semakin bebas dalam memilih buah.
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Judul: Analisis pola konsumsi buah impor pada rumah tangga berpendapatan tinggi di Kota Bogor
Abstrak: Buah-buahan telah menjadi komoditas perdagangan internasional sebagai produk impor dan ekspor. Negara pengekspor buah adalah negara-negara Uni Eropa, Amerika Serikat, Afrika Selatan, Turki, Australia, China dan lain-lain. Negara pengimpor buah terbesar adalah negara - negara Uni Eropa, Amerika Serikat, bekas Federasi Republik Rusia, Jepang dan Negara-negara di Afrika, Amerika Latin dan lain-lain. Indonesia sendiri pada tahun 2000 telah mengimpor buah-buahan sebesar 246.719 ton atau 0,6 persen dari total impor dunia. Dalam era perdagangan bebas, perdagangan intemasional buah-buahan ini juga membuka peluang peningkatan usaha agribisnis buah, baik dalam skala kecil, menengah, maupun besar. Namun di sisi lain, persaingan yang dihadapi akan semakin berat. Oleh karena itu, dalam upaya memenangkan persaingan ini hanya ada satu pilihan, yaitu peningkatan daya saing melalui peningkatan mutu, produktivitas, dan efisiensi usaha dengan memperhatikan aspek keamanan pangan dan kelestarian lingkungan hidup.
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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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