搜索结果: 1-15 共查到“食品生物化学 Bacillus”相关记录27条 . 查询时间(0.187 秒)
Microbiological method using Bacillus megaterium with fusidic acid for detection of macrolides in milk
microbiological test antibiotic erytromycin tylosin tilmicosin
2016/2/23
The microbiological method to attain a sensitive detection of macrolides using Bacillus megaterium in agar medium with fusidic acid was designed. To this aim, Mueller-Hinton medium fortified with gluc...
Quantitative risk assessment of Bacillus cereus in pasteurised milk produced in the Slovak Republic
exposure assessment risk characterisation Monte Carlo simulations
2014/7/10
Quantitative risk assessment of Bacillus cereus using data from pasteurised milk produced in Slovakia was performed. Monte Carlo simulations were used for probability calculation of B. cereus density ...
Methods for detection of Bacillus sp., B. cereus, and B. licheniformis in raw milk
cultivation method chromogenic medium genera-specific PCR species-specific PCR
2014/2/26
Totally 75 raw milk samples were analysed with the methods employing the media compared – MYPA, PEMBA, BrillianceTM Bacillus cereus agar, and HiCrome Bacillus agar. The reference method with MYPA seem...
Temperature Adaptation Study on Probiotic Bacillus subtilis SK09 Based on its Extracellular Proteins
Amylase $- galactosidase therm al adaptation
2010/9/30
The assessment of the thermal adaptation characteristics of a probiotic organism is crucial since the probiotic bacteria are sensitive to thermal stress created by the gut environment. Probiotic Bacil...
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...
Sequential Optimization Approach for Enhanced Production of Poly(γ-Glutamic Acid) from Newly Isolated Bacillus subtilis
poly(γ-glutamic acid) Bacillus subtilis biopolymer
2010/2/1
A bacterial strain of marine origin showing production of poly(γ-glutamic acid) (PGA) has been identified by taxonomical and 16S rRNA studies as Bacillus subtilis. A sequential optimization approach w...
Enhanced Production of Surfactin by Bacillus subtilis E8 Mutant Obtained by Ion Beam Implantation
Bacillus subtilis surfactin ion beam implantation
2009/6/24
The application of surfactin is hampered by its high production cost. In this study, a high-producing surfactin mutant obtained by ion beam implantation, Bacillus subtilis E8, has been used to produce...
Inactivation of Bacillus cereus Spores during Rice Cooking
heat resistance B. cereus spores lethality cooking time
2009/6/18
The D-values at 80, 90 and 100°C of Bacillus cereus spores (Philippine strain 1061) in 2% broth of Philippine rice cultivar PSB Rc72H were 38, 12 and 5 min, respectively. The Z-value of the test spore...
Non-thermal Inactivation of Bacillus Spores by Pressure-holding
pressure-holding bacterial spore inactivation
2009/6/10
Bacillus subtilis spores were pressurized at 60MPa at 40°C for 0∼24 hours in phosphate buffer or GAM broth. After 24 hours, viable counts and spore counts decreased by about 5 log cycles in the ...
Anti-platelet Aggregation and Anti-blood Coagulation Activities of Dipicolinic Acid, a Sporal Component of Bacillus Subtilis Natto
Dipicolinic acid Blood coagulation Fibrinolysis
2009/6/10
The effects on blood coagulation of dipicolinic acid (DPA, 2,6-pyridinedicarboxylic acid), an antibacterial substance known to be produced by Bacillus subtilis natto and contained in natto, a traditio...
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...
Natto Bacillus as an Oral Fibrinolytic Agent: Nattokinase Activity and the Ingestion Effect of Bacillus subtilis natto
nattokinase menaquinone-7 Bacillus subtilis natto
2009/5/31
Extraction of nattokinase, a fibrinolytic enzyme in natto bacillus, was attempted by the following 4 methods: 1) extraction with saline, 2) treatment with the organic solvents acetone, toluene and hex...
Hydrostatic Pressure-Induced Germination and Inactivation of Bacillus Spores in the Presence or Absence of Nutrients
pressurization bacterial spore germination inactivation
2009/5/20
The influence of pressure and temperature, in the presence (in glucose broth, GB) or absence (in phosphate buffer, PB) of nutrients, on hydrostatic pressure (HP) induced-germination and inactivation o...
Differentiation of Bacillus cereus Isolates from Milk and Milk Products with Biochemical, Immunological,AP-PCR and PCR-RFLP Methods
Bacillus cereus milk genotyping
2009/3/23
Physiological features including lecithinase and haemolytic activity, API biotyping and immunodetection of diarrhoeal enterotoxin were compared with AP-PCR genotyping and PCR-RFLP analysis of hblA and...
Variability of the Quorum Sensing System in Natural Isolates of Bacillus sp.
Bacillus genetic competence quorum sensing
2009/3/19
Bacteria communicate with one another by (emitting and/or reacting) to chemical signals. These communications, also known as quorum sensing, enable cells to control gene expression in response to cell...