Judul: Rancangan awal pabrik pengolahan tepung alpukat (persea americanna Mill)
Abstrak: Berkembangnya sektor industri dalam pembangunan akan membuka kesem- patan untuk perluasan industri yang didukung oleh sektor pertanian. Salah satu in- dustri yang berbasis pada hasil pertanian adalah industri pengolahan pangan. Dengan meningkatnya konsumsi bahan makanan dan minuman yang cepat dalam penyajiannya, maka alpukat diolah dalam bentuk tepung dengan alat pen- gering silinder. Pembuatan tepung alpukat ini akan memberikan andil yang besar pada industri pengolahan makanan seperti industri pembuatan es krim maupun in- dustri lainnya yang memanfaatkan lumatan alpukat sebagai bahan dasar atau seba- gai campuran. Tujuan penelitian ini adalah untuk merancang jalur proses produksi tepung alpukat pada perancangan awal pabrik dan menentukan kelayakan pengembangan pabrik tersebut. ...
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Judul: Perencanaan Awal dan Analisa Kelayakan Pendirian Pabrik Pengolahan Tepung Talas (Colocasia esculenta (L.) Schott)
Abstrak: Talas cukup potensial diolah sebagai tepung karena memililti kandungan karbohidrat yang cukup tinggi. Oleh karena itu perlu didirikan pabrik tepung talas yang menlanfaatkan umbi talas sebagai bahan bakunya. Tujuan penelitian ini adalah mempelajari proses pembuatan tepung talas, merancang jalur produksi tepung talas dan menganalisa kelayakan pendirian pabrik tepung talas. Sebelum melakukan perancangan pendirian pabrik dilakukan penelitian. pendahuluan berupa pembuatan dan analisa mutu tepung talas. Pembuatan tepung talas meliputi langkah-langkah berupa pengupasan, perajangan, pencucian, perendaman selama 15 menit dalam larutan na-metabisulfit, penirisan, kemudian pengeringan selama 5 jam selanjutnya penggilingan, pengayakan dan pengemasan.
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Judul: Provision of vaccine effectiveness against Ichthyophthirius multifiliis common carp (Cyprinus carpio L) at different temperatures of media
Abstrak: The aims of this study were to assess the physiological and haematological responses of fish due to different water temperatures, Ichthyophthirius multifiliis (ich) infection, and vaccination with ich theront stadia. The research was conducted in three stages. The first stage was designed to determine the temperature range that could cause stress in fish and had potency to cause ich infection. In the second stage, fish was infected with ich. The last stage was carried out to investigate the effect of vaccination. Physiological changes in fish from each stage were determined. The results of the first stage showed that cortisol levels at 20, 24, and 28⁰C and glucose levels at 24 and 28oC increased until 21st day. Fish that was kept at 24oC had the lowest survival rate (87±3.35%) and fish that was kept at 32oC had the highest survival rate (100%). In the second stage, infected fish at 20oC was under great stress, which was characterized by the increase in cortisol levels by 51.38% on 3rd day, increase in glucose levels by 60.93%, decrease in osmolarity by 18.40%, decrease lymphocytes percentage by 16.44%, and the lowest survival rate (58.11±2.16%). The damage that was affected by I. multifiliis could be seen by the presence of hypercellular, many goblet cells, and infiltration of lymphocytes cells. Lastly, vaccination caused the decrease in cortisol levels and increase in glucose levels until 14th day. The prevalence of I. multifiliis in the vaccinated fish decreased with the increase in temperature, and I. multifiliis prevalence at 20⁰C was 80.03±10.00% and at 28⁰C was 0%, and the highest survival rate was obtained at 28⁰C (100%).
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