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Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science)
Published by Universitas Brawijaya
ISSN : 08523681     EISSN : 24430765     DOI : 10.21776/ub.jiip
Core Subject : Education,
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Jurnal Ilmu-Ilmu Peternakan (JIIP) is a journal published and managed by the Faculty of Animal Husbandry Universitas Brawijaya. JIIP is a peer-reviewed journal published three times a year. JIIP now actively using Open Journal System (OJS). JIIP mediates the dissemination of researchers various disciplines of animal science, such as animal feed and nutrition; animal reproduction, genetics, and production; social and economic; and animal products science and technology.
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Articles 2 Documents
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Search results for , issue "Vol 19, No 2 (2009)" : 2 Documents clear
Pembuatan keju dengan menggunakan enzim renin Mucor pusillus amobil Mustakim Mustakim; R. F. Muarifah; Khotibul Umam Al Awwaly
Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) Vol 19, No 2 (2009)
Publisher : Faculty of Animal Science, Universitas Brawijaya

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Abstract

This study was aimed to understand the goog condition of temperature and pH in the cheese making with immobilized rennin enzyme from M. pusillus. Rennin from M. pusillus was produced using corn starch as substrate, incubated at 370C for 116 hours. Immobilization was conducted with entrapment method using alginate. Proteolytic and milk-clotting activities of enzyme was measured. Furthemore, the immobilized enzyme was used in the cheese production with defferent temperatures (32, 37 and 420C) and pH (5.0, 5.5 and 6.0) using Split Plot Design. It was conducted a test of pH, titratable acidity and texture for produced cheese. The result showed that the alginate matrix can be used to immobilized rennin enzyme from M. pusillus. Immobilization of rennin enxyme from M. pusillus has proteolitic activity value 0.1395 unit/ml/minute and milk-clotting activity value 6090 unit/mg protein/minute. The temperatures (32, 37 and 420C) in the cheese making using immobilized rennin enzyme M. pusillus gave a highly significant different effect (P<0,01) on texture and pH of fresh cheese. The pH (5.0, 5.5 and 6.0) gave a highly significant different effect (P<0,01) on pH and titratable acidity of fresh cheese. It is concluded that alginate can be used in the rennin enzyme immobilization. Temperature and pH gave a highly significant different effect on texture, pH and titratable acidity of fresh cheese. The temperature of 370C and pH 6.0 can be used to make a good quality cheese with immobilized rennin enzyme from M. pusilus using alginate with characters as follows : texture 1.1866 N, pH 4.94 – 5.21 and titratable acidity 1.409%.
Study on Pollen Quality and Quantity as Protein Source of Honeybee Apis mellifera In Rubber Plantation Area (Hevea brasiliensis) Sri Minarti
Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) Vol 19, No 2 (2009)
Publisher : Faculty of Animal Science, Universitas Brawijaya

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Abstract

This research was conducted in the spring rubber in the rubber plantation area in Loncatan Village Leap District Mangaran Ajung Jember district for 2 (two) months. The research objective is to observe the pollen combs area in rubber plantation area, know the protein content of combs pollen and assess the type and composition of amino acids of combs pollen.The materials used in research is the honey bee Apis mellifera colony of 7 colonies, each containing 9 units active frames. Adapted colonies in the study site for a week to eliminate the influence of feed from the previous place. During the study, colonies of bees do not get extra food so that all food comes from nature. Observations were carried out after a period of adaptation with a collection combs pollen. Measurement of pollen combs area done every week during the study period. Analysis of proteins made from combs pollen is collected each week, using the Kjeldahl method. Analysis of a type and composition of amino acids using amino acid analyzer (Hitachi, 1984) and then compare with the results of research de Groot (1953). Data obtained from these observations were analyzed descriptively to get an overview of research results.The results showed that during the study period in the area of rubber plantations there are variations in the comb area pollen honey bees collected at each week during the study with an average of 60.80 ± 2.857 cm2, the protein content is 3.77 ± 0.629%, there are 10 species amino acids in very low levels between 0,212 - 1,251 %.The conclusion of this research is during migratory beekeeping in the area of rubber plantation, bees get pollen low amounts of protein and amino acid levels below the requirement.Keywords : Pollen, Protein, Amino Acids, Honey Bee, Rubber

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