搜索结果: 1-13 共查到“食品科学技术 raw milk”相关记录13条 . 查询时间(0.065 秒)
Proteolysis in raw milk in relation to microbiological indicators
primary amino groups proteolytic enzymes psychrotrophic microorganisms quality of bovine raw milk somatic cell count total count of microorganisms
2016/12/9
Proteolysis in raw milk is a crucial parameter indicating both cow’s mastitis and the technological problems or spoilage risk of final products. However, a suitable analytical method for its early det...
Effect of cow energy status on the hypercholesterolaemic fatty acid proportion in raw milk
consumer dairy cow health negative energy balance milk fat
2014/7/10
We evaluated the proportion of fatty acid groups, with an emphasis on hypercholesterolaemic fatty acids, in the milk of 25 Holstein cows during the 1st period of lactation in relation to their negativ...
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...
Occurrence and characteristics of methicillin resistant Staphylococcus aureus and methicillin resistant coagulase-negative staphylococci in raw milk manufacturing
Staphylococcus bulk milk cow sheep goat
2014/2/26
For monitoring the occurrence of MRSA (methicillin resistant Staphylococcus aureus) and MR-CNS (methicillin resistant coagulase-negative staphylococci), cow’s, goat’s, and sheep’s milks (bulk milks an...
Quality Assurance and Public Health Safety of Raw Milk at the Production Point
Coliform count CCP contamination E. coli milk and quality assurance
2008/10/29
In order to get an insight on the microbial quality assurance of milk at the point of production (farmer`s level), a total of 240 raw milk samples were collected from farmers belonging to three farmer...
Testing of Raw Milk for Tetracycline Residues
residues in milk tetracycline Charm HVS test bioassay
2008/3/28
A newly improved Bacillus calidolactis tube diffusion test and two postscreening test systems—a receptor assay (Charm HVS; Charm Sciences, Inc., Malden, MA) and a newly developed Bacillus cereus ATCC ...
Purification and Characterization of a Dipeptidase from Lactobacillus casei ssp. casei IFPL 731 Isolated from Goat Cheese Made from Raw Milk
Lactobacillus case dipeptidase purification characterization
2008/3/27
A dipeptidase was purified to homogeneity from the cell-free extract of Lactobacillus casei ssp. casei IFPL 731 by a combination of heat treatment, hydrophobic interaction chromatography, anion-exchan...
The Effects of High Pressure on Whey Protein Denaturation and Cheese-Making Properties of Raw Milk
high pressure cheese yield milk coagulation
2008/3/26
The effects of high pressure, from 100 to 400 MPa (14,500 to 58,000 psi) and applied for different periods (10 to 60 min), on the biochemical and microbiological characteristics of milk have been inve...
Chemical Characterization of Raw Milk Samples with and Without Oxidative Off-Flavor
oxidation milk fat off-flavor
2008/3/23
Milk samples with and without oxidized flavor were obtained from two different commercial dairy herds. Milk components that are important for the susceptibility of milk fat to spontaneous oxidation, (...
The Fate of Potentially Pathogenic Bacteria in Swiss Hard and Semihard Cheeses Made from Raw Milk
cheese raw milk pathogenic bacteria hygienic safety
2008/3/22
This study examined the ability of potentially pathogenic bacteria to grow and to survive during the manufacture and ripening of Swiss hard and semihard cheese varieties made from raw milk. The result...
Determination of Cadmium and Lead in Raw Milk by Graphite Furnace Atomic Absorption Spectrophotometer
raw milk cadmium lead heavy metal
2008/3/22
A simple, uncontaminated method was described for graphite furnace atomic absorption spectrophotometry used for determination of Cd and Pb in milk serum prepared by spontaneous souring. Samples of raw...
Risk Factors Associated with Contamination of Raw Milk by Listeria monocytogenes in Dairy Farms
Listeria monocytogenes raw milk bacteriology quality
2008/3/18
A case-control study involving 128 selected dairy farms was conducted to assess the association of several suspected risk factors with the odds of contamination of raw milk by Listeria monocytogenes. ...
Quality Assurance and Public Health Safety of Raw Milk at the Production Point
Production PointQuality Assurance
2016/5/31
In order to get an insight on the microbial quality assurance of milk at the point of production (farmer’s level), a total of 240 raw milk samples were collected from farmers belonging to three farmer...