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A Novel Method for the Detection of Protease and the Development of Extracellular Protease in Early Growth Stages of Lactobacillus delbrueckii ssp. bulgaricus
extracellular protease Lactobacillus delbrueckii ssp. bulgaricus lactic acid bacteria microplate
2008/3/28
A novel method of rapid detection using microplate wells with casein and calcium ions was developed for measuring protease activity. This new method is based on the theory that the hydrolysis by the p...
Isolation and Characterization of a New Lactobacillus delbrueckii ssp. bulgaricus Temperate Bacteriophage
lacbacillus bacteriophage
2008/3/28
Lactobacillus delbrueckii ssp. bulgaricus strain CRL 539 was shown to be lysogenic and inducible with mitomycin C. The conditions were determined for an optimal induction of temperate bacteriophage lb...
Evaluation of Media for Selective Enumeration of Streptococcus thermophilus, Lactobacillus delbrueckii ssp. bulgaricus, Lactobacillus acidophilus, and Bifidobacteria
enumeration Streptococcus thermophilus Lactobacillus spp., bifidobacteria
2008/3/26
Fifteen media were evaluated to determine their suitability for selective enumeration of Streptococcus thermophilus, Lactobacillus delbrueckii ssp. bulgaricus, Lactobacillus acidophilus, and bifidobac...
Hydrogen Peroxide Production and Oxidation of Ferrous Iron by Lactobacillus delbrueckii ssp. bulgaricus
iron hydrogen peroxide Lactobacillus delbrueckii ssp. bulgaricus
2008/3/25
Hydrogen peroxide was produced by Lactobacillus delbrueckii ssp. bulgaricus ATCC 11842 only in the presence of glucose at pH 6.5 and 5.0 in the presence of air. Production of H2O2 was minimal followin...
Exopolysaccharide Production in Milk by Lactobacillus delbrueckii ssp. bulgaricus CNRZ 1187 and by Two Colonial Variants
exopolysaccharide Lactobacillus delbrueckii ssp. bulgaricus
2008/3/25
A ropy strain of Lactobacillus delbrueckii ssp. bulgaricus (CNRZ 1187) and two stable colonial variants produced different yields of neutral heteropolysaccharides when grown in milk. The variants were...
Survival of Lactobacillus delbrueckii ssp. bulgaricus Following Spray-Drying
Lactobacillus delbrueckii ssp. bulgaricus spray-drying cellular damage
2008/3/22
Survival of cell concentrates of Lactobacillus delbrueckii ssp. bulgaricus following spray-drying in skim milk with and without ascorbic acid and monosodium glutamate was evaluated during storage at d...
A Comparative Study: Aminopeptidase Activities from Lactobacillus delbrueckii ssp. bulgaricus and Streptococcus thermophilus
aminopeptidase Lactobacillus delbrueckii ssp. bulgaricus Streptococcus thennophilus
2008/3/18
Aminopeptidases from Lactobacillus delbrueckii ssp. bulgaricus and Streptococcus thermophilus were isolated. Enzymes were purified by chromatography on DEAE-cellulose and Sephadex G-150. The enzymes h...