搜索结果: 1-15 共查到“食品科学技术基础学科 medium”相关记录22条 . 查询时间(0.109 秒)
Influence of growth medium composition on synthesis of bioactive compounds and antioxidant properties of selected strains of Arthrospira cyanobacteria
β-carotene phycobiliproteins antioxidant activity RM6 medium Zarrouk medium
2014/2/25
We studied how the selection of the growth medium influences the antioxidant properties and synthesis of bioactive compounds (β-carotene, C-phycocyanin, allophycocyanin, and phycoerythrin) in six sele...
Properties of casein hydrolysate as affected by plastein reaction in ethanol-water medium
angiotensin converting enzyme casein hydrolysate metal chelation plastein reaction
2014/2/24
Casein hydrolysate with in vitro ACE-inhibitory activity of 44.4% at 0.3 mg/ml was generated from casein by Alcalase and modified by the Alcalase-catalysed plastein reaction in an ethanol-water medium...
The Use of Response Surface Methodology in Optimization of Lactic Acid Production: Focus on Medium Supplementation, Temperature and pH Control
lactic acid whey cheese nitrogen sources response surface methodology medium optimization
2010/10/14
Two response surface methodologies involving central composite designs have been
successfully applied to evaluate the effect of cheese whey, corn steep liquor, ammonium
sulphate, temperature and pH ...
Screening of Various Organic Substrates and the Development of a Suitable Low-Cost Fermentation Medium for the Production of α-Amylase by Bacillus subtilis
Bacillus subtilis α-amylase banana husk solid-state fermentation
2010/3/24
The production of extracellular amylase by Bacillus subtilis has been studied in solid-state fermentation (SSF). In a sequential order, various process parameters were optimized for maximum amylase pr...
Aminopeptidases in Mycelium and Growth Medium of Streptomyces rimosus Strains
prolyl leucyl and arginyl aminopeptidases localization
2010/2/1
Aminopeptidases (APs) of the same substrate specificities have been detected in the mycelia and culture filtrate of Streptomyces rimosus. To compare extracellular and intracellular prolyl, leucyl and ...
乳链菌肽发酵玉米浆—糖蜜培养基的优化制备（Optimization Corn Steep Liquor—Molasses Fermentation Medium for Nisin）
乳链菌肽 玉米浆 糖蜜 Box-Behnken设计
2009/8/11
采用单因素试验方法对影响乳链菌肽效价的培养基组分进行了考察。结果表明，影响乳链菌肽效价的主要因素为糖蜜、玉米浆、K2HPO4、MgSO4。在此基础上，采用Box-Behnken设计及响应面分析法确定主要影响因子的最佳质量浓度。结果表明，当玉米浆质量浓度为233g/L，糖蜜质量浓度为27g/L，K2HPO4质量浓度为5.0g/L，MgSO4质量浓度为0.1g/L时，乳链菌肽效价为2491.8IU/m...
Selection of a Culture Medium for Reducing Costs and Enhancing Biomass and Intracellular Polysaccharide Production by Agaricus blazei AB2003
Agaricus blazei intracellular polysaccharide mycelial growth
2009/8/10
A practical medium for reducing costs and enhancing both biomass and intracellular polysaccharide (IPS) production by a newly screened Agaricus blazei AB2003 has been selected. The results show that I...
Condensation of L-Ascorbic Acid and Medium-Chain Fatty Acids by Immobilized Lipase in Acetonitrile with Low Water Content
L-Ascorbic acid medium-chain fatty acid immobilized lipase
2009/7/7
Lipase from Candida antarctica immobilized on a macroporous acrylic resin, Novozym®435, could catalyze the condensation of L-ascorbic acid and medium-chain fatty acids with chain lengths of 6 to 1...
Germination and Inactivation of Bacillus subtilis Spores under Combined Conditions of Hydrostatic Pressure and Medium Temperature
pressurization germination inactivation
2009/6/10
The combined effect of mild heating and pressurization on germination and inactivation of Bacillus subtilis spores was investigated. The spore count decreased remarkably at 60°C+80MPa in glucose broth...
Production of Bacteriocin by Staphylococcus sp. NPSI 38 in Koji Extract Medium with Rice Protein Hydrolyzate and Its Growth-inhibitory Activity against Hiochi-bacteria
bacteriocin hiochi-bacteria Lactobacillus hilgardii koji extract medium
2009/5/8
Enhanced production of bacteriocin by Staphylococcus sp. NPSI 38 (NPSI 38) using koji extract medium was investigated. The bacteriocin produced by NPSI 38 in MRS medium was found to be effective for i...
Submerged and Solid-State Phytase Fermentation by Aspergillus niger: Effects of Agitation and Medium Viscosity on Phytase Production, Fungal Morphology and Inoculum Performance
phytase Aspergillus niger solid-state fermentation
2009/3/20
Qualitative relationships between agitation levels and medium viscosity, Aspergillus niger morphology and phytase production were investigated in submerged and solid-state fermentations. Overall phyta...
Effect of Growth Medium on Bacteriocin Production by Lactobacillus plantarum ST194BZ,a Strain Isolated from Boza
bacteriocin ST194BZ Lactobacillus plantarum boza
2009/3/16
The cell-free supernatant containing bacteriocin ST194BZ, produced by Lactobacillus plantarum ST194BZ, inhibits the growth of Lactobacillus casei, Lactobacillus sakei, Lactobacillus delbrueckii subsp....
Factors Affecting the Growth and Production of Milk-Clotting Enzyme by Amylomyces rouxii in Rice Liquid Medium
Amylomyces rouxii milk-clotting enzyme rice liquid culture
2009/3/16
Amylomyces rouxii is one of the main fungi usually coexisting with yeasts in Chinese yeast ball, the starter of chiu-niang, a traditional Chinese fermented product from rice. In the present study, gro...
Influence of Growth Medium on Hydrogen Peroxide and Bacteriocin Production of Lactobacillus Strains
lactic acid bacteria hydrogen peroxide bacteriocin
2009/3/16
This study was conducted to investigate the inhibitory effect of bacteriocin and the production of hydrogen peroxide by four non-starter lactic acid bacteria, Lactobacillus plantarum 2142, Lactobacill...
Optimization of the Medium for the Production of Cellulase by the Mutant Trichoderma reesei WX-112 Using Response Surface Methodology
cellulase Trichoderma reesei WX-112 optimization
2009/3/13
The mutant strain Trichoderma reesei WX-112 with high cellulase activity was isolated by a newly invented plate. The mutant’s ability to produce cellulase increased 1.95 times after the treatment with...