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I. Juliyarsi
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Agriculture, Biological Sciences & Forestry

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Kualitas dan Aktifitas Antibakteri Dadih Susu Sapi Mutan Lactococcus lactis terhadap Staphylococcus aureus, Escherechia coli dan Salmonella typii S. Melia; I. Juliyarsi
Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) Vol 13, No 1 (2011): Jurnal Peternakan Indonesia
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1895.142 KB) | DOI: 10.25077/jpi.13.1.48-54.2011

Abstract

Lactococcus lactis mutant dadih is fermented food made of cow's milk in a plastic tube with a 2% Lactococcus lactis and incubated at 30oC for 48 hours. The experiment result shown, the characteristics dadih barriers Lactococcus lactis mutants on antimicrobial activity against Staphylococcus aureus wider than antimicrobial activity against Escherechia typii coli and Salmonella. Lactococcus lactis mutant dadih contains 71,4% water, 0,93% acidity , 5:02% protein , 6:39% fat, 18 x 105 cfu / g total colony of Lactococcus lactis mutant, and essential amino acid.
Evaluasi Total Koloni Bakteri dan Cita Rasa Telur Asin dengan Perlakuan Perendaman Ekstrak Kulit Bawang (Allium ascalonicum) D. Novia; I. Juliyarsi; P. Andalusia
Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) Vol 13, No 2 (2011): Jurnal Peternakan Indonesia
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpi.13.2.92-98.2011

Abstract

Onion skin is a waste of agricultural products rich with tannin content. The purpose of this study is to determine the effect of soaking salted eggs with the extraction of onion skin (Allium ascalonicum) for water content, pH, bacteria colony, and organoleptic of salted eggs . 200 grains of Anas javanicus eggs duck, 5000 g of brick powder, 1000 g of salt and 2800 g of onion skin were used in this experiment. The experiment was designed in a randomized block design (RBD) with 5 different treatments of soaking salted eggs time in onion extraction, and four different groups of duck eggs as replicates. The treatments of soaking salted eggs in extraction of union skin were control (K); soaking one day (1H); immersion for three days (3H); immersion for 5 days (5H); immersion for 7 days (7H). Variables measured were water content, pH, bacteria colony, and organoleptic of salted eggs product. The results showed that there was no effect of the time of soaking on water content and pH of salted duck egg, while it affect the total bacteria colony and organoleptic significantly. It was concluded that one day of immersion is the best immersion for making salted eggs.
Co-Authors D. Novia P. Andalusia S. Melia