Judul: Optimasi Proses Pengeringan Sohun CV Panca Jaya Dengan Menggunakan Pengering Rak
Abstrak: Sohun is a non-wheat noodle product that is made with a typical shape from starch base material. Sohun can be categorized based on the used flour such as mung beans, sago, sugar palm, etc. CV Panca Jaya is one of the medium enterprises which produced sohun since 1984. Kembang Matahari® is a brand name of it. Drying process in this factory is still using sunlight as an energy system. It requires a lot of human resources and also a huge area, so a rising inflation will give direct impacts on the increasing components of cost production, especially on labor wages significantly. This study has done a simulation of sohun production process using cabinet dryer with software RSM (Response Surface Methodology). The result of the optimization process showed that cabinet drying gave similar product with sun drying
Keyword: optimization, cabinet dryer, sun drying, Sohun

Judul: Proses Pengeringan Sohun Dengan Menggunakan Oven Melalui Pemanasan Bertahap
Abstrak: Vermicelli is a type of noodle that is made from pure starch of sagoo or mung bean. Vermicelli has an appearance like a string, spongy and slick texture, also transparent. On vermicelli making process in small food industry, the drying technique is still using the natural technique which is with sun light. The usage of solar will cause inconsistency in quality of vermicelli and requires many labors and a big lot. These reasons encourage to conduct a research of vermicelli drying process with oven dryer through gradual drying. There were three heating treatments, which were A) 65oC – 10 minutes, 100oC – 10 minutes, and 140oC – 5 minutes, B) 80oC – 10 minutes, 100oC – 10 minutes, and 130oC – 5 minutes, C) 80oC – 15 minutes and 140oC – 10 minutes and the recommended drying treatment was the drying that used for sample B, which was drying technique with temperature 80oC – 10 minutes, 100oC – 10 minutes, dan 130oC – 5 minutes. The vermicelli that was produced by this treatment had characteristics water content 13.09%, cooking loss 11.67%, water absorption 74.56%, elongation 198%, L color 58.03, a -2.58, and b 9.21% which had the slightest differences on water content, cooking loss and elongation analysis with a vermicelli that had been produced by a manufacture (control). The difference between cost for solar drying and cost for oven drying was Rp 24,720,000 in producing 80 tons of vermicelli in a month. Oven drying can reduce the operational cost to 33% compared to solar drying.
Keyword: gradual drying, oven dryer, vermicelli, Bogor Agricultural University (IPB)

Judul: Infeksi leucocytozzon simondi (Mathis dan Leger, 1910) pada itik
Abstrak: Leucocytozoonosis pada itik adalah penyakit protozoer yang disebabkan oleh parasit darah Leucocytozoon simondi. Protozoa ini ditularkan oleh lalat penghisap darah (Simulium sp.). Di dalam tubuh induk semang antara (vektor) Simulium parasit mengalami tahap gametogoni yang kedua (pembentukan gamet dan pembuahan) dan sporogoni. Pembuahan makrogamet oleh mikrogamet terjadi segera sesudah vektor menghisap darah itik yang mengandung gametosit. Pembuahan menghasilkan zigot yang dapat bergerak (ookinet) yang masuk dinding usus vektor dan kemudian memasuki tahap sporogoni. Tahap sporogoni memerlukan waktu kira-kira 1 minggu (Fallis dan Desser, 1977) untuk menghasilkan sporozoit. Sporozoit bergerak menuju kelenjar ludah vektor, tempat mereka berkumpul. Sporozoit dipindahkan ke dalam tubuh itik pada saat vektor menghisap darah itik. Di dalam tubuh itik, parasit mengalami tahap skizogoni dan tahap gametogoni yang pertama (pembentukan gametosit). Sporozoit memasuki peredaran darah itik dan memasuki sel-sel parenkhim hati membentuk skizon hepatik (Fallis et al., 1974). Setelah 4 6 hari, skizon hepatik dewasa menghasilkan merozoit dan sinsitia. Merozoit dari skizon hepatik memasuki eritrosit dan eritroblas membentuk gametosit bundar, sedangkan sinsitia memasuki sel-sel RES di seluruh tubuh membentuk megaloskizon. Megaloskizon dewasa terbentuk dalam waktu 5 hari di dalam sel-sel itu dan menghasilkan merozoit. Merozoit dari megaloskizon memasuki limfosit dan leukosit lainnya membentuk gametosit memanjang. ...
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