Judul: Sifat fisik dan organoleptik chicken loaf dengan penambahan sayuran
Abstrak: Meat processing is an effort to make various meat products. Chicken loaf is a modification of meat Ioaj Vegetables are important to get balance food consumption, becouse of it's nutritions contain such as provitamin A and vitamin C, calcium and iron, low calory, and fiber and natural antioksidant. That's why vegetables is very good to be added into chicken loaf: Carrot and celery will be used in this research. The aim of this research is to find out the chicken loaf physical and palatability with some level of vegetables addition. Tlie physical test is pH,. water holding capacity, emulsion stability, cooking loss, hardness and elasticity product. The organoleptic test are colour, flavour, textur, taste, elasticity and panelist acceptability. Randomized block design was used with five level treatment (0%, 5%, lo%, 15%, dan 20%) and three times processing of sample chicken loaf as the block. The physical test was analyzed using ANOVA and any significan diferences were continued with Duncan's Multiple Range Test. The data in percentage which was less from 20% and more than 80% would be transformated to quadratic root. The organoleptic properties was analyzed using non parametric of Krusskal-Wallis. The physical characteristic result showed that the added of vegetables did not made significant differences. The organoleptic test in chicken loaf added of vegetable did not made significan differences to flavour, textur, taste and significant differences to colour and elasticity. The average panelist likes chicken loaf with 15% vegetables added. Keywords : chicken loaf, vegetables (carrot and celery)
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Judul: Kualitas fisik dan organoleptik daging ayam broiler yang ransumnya diberi penambahan minyak ikan yang mengandung omega 3
Abstrak: Meat quality of broiler chicken is generally determined with chemical, physical and organoleptic quality. Omega-3 fatty acids obtained from fish oil waste as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) is a poly unsaturated fatty acid source that has many benefit for human. The objective of this reseach was to determine the effect of fish oil addition containing omega-3 in poultry feed on the physical and organoleptic quality of broiler chicken meat. The different levels of fish oil (0; 2,5; 5 and 7,5%) were added in poultry feed was given to the chicken until 2, 3 and 4 weeks. The experiment was set up in a completely randomized design with 4x3 factorial pattern. The observed parameters were pH, water holding capacity (WHC), tenderness and organoleptic test. The physical data were analyzed descriptively and organoleptic was analyzed by ANOVA and Duncan's Multiple Range Test. The result showed that the treated breast meat has lower for WHC and more tender than control, but higher pH. The thight meat treated showed that a higher pH and water holding capacity but less tender than control. Organolepticly, the addition of fish oil containing omega-3 fatty acids did not have significantly affect the aroma, colour and texture of meat while taste was affected (P<0,05). Long of feeding omega-3 (2 , 3 and 4 weeks) have significantly affect the meat texture. Keywords: Chicken Meat, Fish Oil, Omega-3, Physical Quality, Organoleptic Quality.
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Judul: Analisis Model Epidemik SIS Stokastik Rantai Markov Waktu Kontinu dengan Adanya Migrasi
Abstrak: Model epidemik adalah model matematika yang digunakan untuk mengetahui perilaku penyebaran penyakit menular. Salah satu model epidemik adalah model epidemik SIS (Susceptible Infective Susceptible). Model epidemik SIS yang dibahas adalah model stokastik rantai Markov waktu kontinu dengan menambahkan faktor migrasi. Model SIS dengan adanya migrasi terdiri atas dua subpopulasi, yaitu individu rentan dinotasikan dengan ��������� (susceptible) dan individu terinfeksi dinotasikan dengan ��������� (infected). Dalam penelitian ini dibahas mengenai distribusi peluang stasioner dan nilai harapan waktu wabah penyakit. Simulasi numerik dilakukan untuk membandingkan penyebaran penyakit pada model epidemik SIS ketika terjadi migrasi dan ketika tidak terjadi migrasi. Dari hasil analisis dapat disimpulkan bahwa semakin kecil laju kontak penderita dapat menyebabkan meningkatnya peluang terjadinya bebas penyakit. Begitu juga dengan nilai laju migrasi, semakin kecil laju migrasi dapat menyebabkan semakin besarnya peluang terjadinya bebas penyakit.
Keyword: migrasi, stokastik, rantai Markov waktu kontinu, model SIS