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Effect of Citrate on Production of Diacetyl and Acetoin by Lactococcus lactis ssp. lactis CNRZ 483 Cultivated in the Presence of Oxygen
Lactococcus lactis ssp lactis CNRZ 483 citrate diacetyl acetoin
2008/3/27
The effect was studied of trisodium citrate addition on the growth and formation of diacetyl and acetoin by Lactococcus lactis ssp. lactis CNRZ 483 in a whey-based medium under an oxygen pressure of 2...
Removal of Bitterness from the Bitter Peptides Extracted from Cheddar Cheese with Peptidases from Lactococcus lactis ssp. cremoris SK11
bitterness removal peptidase Lactococcus lactis ssp. cremoris SK11
2008/3/26
Intracellular peptidases were extracted from the cell lysate of Lactococcus lactis ssp. cremoris SK11 that had been grown in milk. Peptidase activities were determined using 12 synthetic derivatives o...
Improvement of Diacetyl Production by Lactococcus lactis ssp. lactis CNRZ 483 Through Oxygen Control
Lactococcus lactis ssp. lactis diacetyl oxygen
2008/3/26
This study illustrated the effect of controlled oxygenation on diacetyl production by citrate-utilizing Lactococcus lactis ssp. lactis CNRZ 483. Effects of soluble oxygen concentrations at 21 and 50% ...
ß-Casomorphins: Analysis in Cheese and Susceptibility to Proteolytic Enzymes from Lactococcus lactis ssp. cremoris
ß beta -casomorphins cheese proteolysis Xprolyl dipeptidyl aminopeptidase
2008/3/25
Commercial cheese products were surveyed for ß-casomorphin peptides. Two extraction methods were compared: 1) water and 2) chloroform and methanol. Peptide profiles were determined using reverse...
Purification and Characterization of a Cysteine Proteinase with Low Activation Energy from Lactococcus lactis ssp. lactis IAM 1198
proteinase Lactococcus lactis ssp. lactis
2008/3/23
A caseolytic proteinase with low activation energy was purified to homogeneity by conventional chromatographic techniques from Lactococcus lactis ssp. lactis IAM 1198. The molecular weight of the enzy...
Diacetyl Production in Milk by an -Acetolactic Acid Accumulating Strain of Lactococcus lactis ssp. lactis biovar. diacetylactis
diacetyl -acetolactic acid redox potential Lacrococcus
2008/3/22
When grown in skim milk, Lacrococcus lactis ssp. lactis biovar. diacetylactis D1 accumulated -acetolactic acid at 1.7 mM because of the absence of -acetolactate decarboxylase. The -acetolactic acid pr...
Analysis of the Physical and Functional Characteristics of Cell Clumping in Lactose-Positive Transconjugants of Lactococcus lactis ssp. lactis ML3
Lactococcus sp. conjugation cell clumping
2008/3/19
Transconjugants of Lactococcus lactis ssp. lactis ML3 that acquire the ability to utilize lactose often exhibit self-aggregation and become able to transfer the ability to utilize lactose at frequenci...
B-Cell Mitogen Produced by Slime-Forming, Encapsulated Lactococcus lactis ssp. cremoris Isolated from Ropy Sour Milk, Viili
Lactococcus lactis ssp. cremoris slime product phosphopolysaccharide B-cell mitogen
2008/3/18
A substance, active as a B-cell mitogen, was isolated from the slime products produced by Lactococcus lactis ssp. cremoris KVS20. The mitogenic substance was prepared by anion-exchange chromatography ...