搜索结果: 1-15 共查到“食品科学技术 -galactosidase”相关记录19条 . 查询时间(0.198 秒)
Galactose Depletion by Mortierella vinacea α-Galactosidase II Increases the Synergistic Interaction between Guar Gum and Xanthan Gum
Mortierella vinacea α-galactosidase guar gum
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2009/7/7
α-Galactosidase II from Mortierella vinacea releases galactose from guar gum. This enzyme was easily prepared from the culture filtrate free of β-mannanase activity. Galactose-depleted guar gum sampl...
Expression of Streptomyces coelicolor α-Galactosidase Gene in Escherichia coli and Characterization
α-galactosidase Streptomyces coelicolor A3(2) glycoside hydrolase
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2009/6/10
An α-galactosidase gene belonging to glycoside hydrolase family 27 from Streptomyces coelicolor was cloned and expressed in E. coli. The purified enzyme showed a single protein band on SDS-PAGE with a...
Release of β-galactosidase from Lactobacilli
lactic acid bacteria autolysis β-galactosidase
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2009/3/23
Lactobacillus brevis cells at the end of growth release intracellular beta-galactosidase into the medium. Enzyme release begins immediately after the end of cell multiplication and is connected to cel...
Thermomyces lanuginosus CBS 395.62/b Strain as Rich Source of alpha-Galactosidase Enzyme
alpha-galactosidase fermentation enzyme production
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2009/3/19
Seventeen Thermomyces lanuginosus strains, cultivated on raffinose and sucrose, were ranked on the basis of alpha-galactosidase activities. T. lanuginosus CBS 395.62/b strain showed the highest alpha-...
Kinetic Properties of α-Galactosidase and the Localization of Total Proteins in Erwinia chrysanthemi
Erwinia chrysanthemi α-galactosidase periplasm
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2009/3/19
Erwinia chrysanthemi is an enterobacterium that causes soft-rot in plants in general, resulting in enormous economic losses annually. For the pathogen to survive in the host plant, it has to use the r...
Activity of β-Galactosidase and Polygalacturonase in Zucchini Squash（Cucurbita pepo L.）Stored at Low Temperatures
chilling injury cold signaling oligosaccharins cell wall
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2009/2/26
When fruits are exposed to chilling temperatures, enzymatic systems are affected and normal cell metabolism is altered; cell wall enzymes are the least studied in this respect. Our objective is to det...
Optimization of the Culture Medium for the Production of β-Galactosidase from Kluyveromyces marxianus CCT 7082
β-galactosidase Kluyveromyces marxianus optimization
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2009/2/24
Seven strains of the genus Kluyveromyces were screened for β-galactosidase activity in a synthetic medium. Kluyveromyces marxianus CCT 7082 was selected as the best enzyme producer for optimization of...
Statistical Optimization of α-Galactosidase Production in Submerged Fermentation by Streptomyces griseoloalbus Using Response Surface Methodology
α-galactosidase response surface methodology Streptomyces griseoloalbus
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2009/2/20
α-Galactosidase production by a novel actinomycete strain Streptomyces griseoloalbus in shake flask culture was optimized using response surface methodology. Screening of variables to find their relat...
mmobilization of β-Galactosidase in Adsorptive Membranes for the Continuous Production of Galacto-Oligosaccharides from Lactose
Immobilization β-galactosidase galacto-oligosaccharides
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2009/1/15
A method for immobilization of β-galactosidase from Kluyveromyces lactis on an adsorptive membrane for the continuous synthesis of galacto-oligosaccharides from lactose was carried out. The immobiliza...
Kinetic Studies on Endo-β-galactosidase by a Novel Colorimetric Assay and Synthesis of Poly-N-acetyllactosamines Using Its Transglycosylation Activity
endo-β-galactosidase enzyme assay poly-N-acetyllactosamine kinetics transglycosylation
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2008/4/20
Novel chromogenic substrates for endo-β-galactosidase were designed on the basis of the structural features of keratan sulfate. Galβ1,4GlcNAcβ1,3Galβ1,4GlcNAcβ-pNP (2), which consists of two repeating...
Use of Chemical Mutagenesis for the Isolation of Food Grade ß-Galactosidase Overproducing Mutants of Bifidobacteria,Lactobacilli and Streptococcus thermophilus
probiotics ß beta -galactosidase mutagenesis
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2008/4/1
A classical chemical mutagenesis protocol was evaluated for increasing ß-galactosidase production by probiotic bacteria to improve their potential to treat symptoms of lactose malabsorption in h...
Differences in the Hydrolysis of Lactose and Other Substrates by ß-D-Galactosidase from Kluyveromyces lactis
ß beta -D-galactosidase metal effects substrate specificity
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2008/3/27
The hydrolysis of o-nitrophenyl galactopyranoside and lactose by ß-D-galactosidase from Kluyveromyces lactis was enhanced by the addition of Mg2+ and Mn2+, but the rates of activation by each me...
Influence of Bile on Cellular Integrity and {beta}-Galactosidase Activity of Lactobacillus acidophilus -- Noh and Gilliland 76 (5): 1253 -- Journal of Dairy Science
Lactobacillus acidophilus bile • cellular integrity ß beta -galactosidase
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2008/3/27
The influence of bile on ß-galactosidase activity, cellular integrity, cellular retention of ß-galactosidase, and cellular permeability of five strains of Lactobacillus acidophilus was inv...
Factors Affecting the Ability of a High ß-Galactosidase Yogurt to Enhance Lactose Absorption
yogurt ß beta -galactosidase activity lactose absorption breath hydrogen
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2008/3/22
Lactose in yogurt is better absorbed by lactase-deficient subjects than is an equivalent quantity of lactose in milk, presumably because of the microbial activity of the ß-galactosidase present ...
Influence of Bile on ß-Galactosidase Activity of Component Species of Yogurt Starter Cultures
bile Lactobacillus delbrueckii ssp. bulgaricus Streptococcus salivarius ssp. thermophilus ß beta -galactosidase activity
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2008/3/22
The influence of bile on ß-galactosidase activity and the cellular integrity of Lactobacillus delbrueckii ssp. bulgaricus and Streptococcus salivarius ssp. themphilus were tested. Two strains (O...