scholarly journals A Multi-Omics Approach to Evaluate the Quality of Milk Whey Used in Ricotta Cheese Production

2016 ◽  
Vol 7 ◽  
Author(s):  
Eleonora Sattin ◽  
Nadia A. Andreani ◽  
Lisa Carraro ◽  
Rosaria Lucchini ◽  
Luca Fasolato ◽  
...  
Keyword(s):  
Milk Whey ◽  
Quality Of Milk ◽  
Cheese Production

Application of membrane technology in the pretreatment of cheese dairies wastes and co-treatment in a municipal conventional biological unit

1997 ◽  
Vol 36 (2-3) ◽  
pp. 361-367 ◽  
Author(s):  
Eleftheria Papachristou ◽  
Costas T. Lafazanis
Keyword(s):  
Cheese Whey ◽  
Treatment Plant ◽  
Membrane Technology ◽  
Biological Unit ◽  
Urban Sewage ◽  
Dairy Wastes ◽  
Starting Point ◽  
Quality Of Milk ◽  
Cheese Production

A great number of cheese dairies and dairy industries in Greece are disposing their wastes, mainly cheese whey, either on land or in surface receivers, in large quantities creating a major environmental problem. A typical agricultural and pastoral provincial town of 70,000 inhabitants, Trikala, became the starting point of this research. A co-treatment of the urban sewage and the dairy wastes in the municipal treatment plant was recommended. The successful application of the above statement is based primarily on the pretreatment of the cheese dairies wastes. So far for cheese whey the recovery of the lactose serum in the contemporary central unit applying membrane technology has been suggested. As far as the wastewaters of the washing and refrigeration are concerned a pretreatment is required for the defatting in a grease trap, the grating, the adjustment of pH and the equalisation in an appropriate tank. Finally, this research has also focussed on the importance of membrane technology in improving the quality of milk and cheese production.

scholarly journals Aerobic deterioration influences the fermentative, microbiological and nutritional quality of maize and sorghum silages on farm in high quality milk and cheese production chains

2008 ◽  
Vol 37 (spe) ◽  
pp. 68-77 ◽  
Author(s):  
Giorgio Borreani ◽  
Thiago Fernandes Bernardes ◽  
Ernesto Tabacco
Keyword(s):  
Nutritional Quality ◽  
Management Practices ◽  
Protected Designation Of Origin ◽  
Commercial Farms ◽  
Side Walls ◽  
Silage Production ◽  
Quality Of Milk ◽  
On Farm ◽  
Cheese Production

Maize and sorghum silages are good sources of energy for lactating dairy cows that produce milk destined for fresh and matured cheeses. Silages are usually stored in horizontal silos with or without side walls on commercial farms throughout the world. The main microbiological and nutritional quality problems are related to harvesting time, ensiling technology, and management practices during filling and feed-out. Aerobic deterioration is a key point that must avoided on farms in order to improve the hygienic, chemical and sensorial quality of milk and cheeses. Aerobic deterioration causes large losses of dry matter (DM) and quality, and it can cause health problems for animals and humans through the transfer of pathogens and mycotoxins from feed and livestock to food products. The objectives of the present work were to overview management practices connected to the storage of maize and sorghum in horizontal silos on farms producing milk for make Protected Designation of Origin (PDO) hard ripened cheese, to define good management practices that should be applied as the basis for safe silage production and to reduce the extent of aerobic deterioration.

scholarly journals Quality of Milk for Cheese Production on Registered Agricultural Holdings in Vojvodina

2017 ◽  
Vol 66 (3-4) ◽  
pp. 32-37
Author(s):  
Anka Popović Vranješ ◽  
Saša Krstović ◽  
Anka Kasalica ◽  
Želјka Jurakić ◽  
Ljuba Štrbac ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Rural Development ◽  
Milk Fat ◽  
Microbiological Quality ◽  
Fat Content ◽  
Plate Count ◽  
Sheep Milk ◽  
Quality Of Milk ◽  
Cheese Production

Summary Currently, milk producers in Vojvodina on registered agricultural holdings (RAHs) have great experience and knowledge in managing their farms, including primary production, processing and sales. However, for a smaller number of manufacturers, there is still room for organizational and technological improvement of production. Nowadays, goat breeding is a very important part of sustainable production, rural development, and represents a very important part of rural development and employment of people. The course of goat breeding in our country is milk-meat, where milk is usually a priority. For the successful production of cheese, the quality of raw milk plays a critical role. It affects the quality of cheese in terms of a chemical composition, microbiological quality, the presence of chemical residues and organoleptic properties. Cheese is mostly made from cow, goat and sheep milk. The valuable components of milk are proteins and fats. These can also be defined as parameters of utilization, since they indicate how much cheese can be obtained from milk. On average, cow milk contains 3.64% fat, 3.22% protein, and 8.52% non-fat dry matter (NFDM). Higher differences in milk fat content (minimum 3.25%, maximum 4.36%) were found in milk from RAHs. Recently, the production of milk with higher fat content has become important, since in Serbian milk there is not enough milk fat, so some processors are obliged to import it in the form of butter and cream. In addition to the chemical composition, the microbiological quality of milk is important to maintain successful cheese production. Regarding our findings, the standard plate count (SPC) and the somatic cell count (SCC) in samples from most RAHs did not exceed the values specified in Regulation (EC) 853/2004. Moreover, goat and sheep milk was in agreement with the technological quality of milk for cheese production, in terms of chemical composition.

scholarly journals The prospects of using milk whey enriched with Mg and Mn in the technology of bakery products

2017 ◽  
Vol 11 (4) ◽  
Author(s):  
О. Kochubei-Lytvynenko ◽  
E. Bilyk
Keyword(s):  
Electrical Discharge ◽  
Experimental Studies ◽  
The Elderly ◽  
Positive Influence ◽  
Bakery Products ◽  
Hek 293 ◽  
Milk Whey ◽  
Toxicological Studies ◽  
Quality Of Milk

In this article the technological properties of milk whey, enriched with magnesium and manganese particles by electrical discharge dispersion of metal granules in the medium, and the effect of whey on the technological process and quality of bakery products have been examined. The results of theoretical and experimental studies of the quality of milk whey enriched with Mg and Mn has been presented. The toxicological studies has determined that the enrichment of milk whey with magnesium and manganese particles has not caused potentially harmful factors that could significantly affect the viability of cells of the HEK-293, L-929, PTP lines and their morphological features. The cells of the HEK-293 line were the most vulnerable to the effect of the whey, both untreated and treated by electrical discharge method, due to the low pH of the studied whey samples. The positive influence of enriched whey if applied in the amount of 15% to the mass of flour, on the physical, chemical and sensory qualities of bakery products, particularly the increase specific volume and shelf-life, has been proven. Much attention has been paid to the staling processes, associated with the retrograding and aging of the main biopolymers of bakery products. The relevance of the presented research is in expanding the possibilities of using enriched milk whey for bakery products for the elderly.

Proteinase and phospholipase activities and development at different temperatures of yeasts isolated from bovine milk

2011 ◽  
Vol 78 (4) ◽  
pp. 385-390 ◽  
Author(s):  
Priscilla A Melville ◽  
Nilson R Benites ◽  
Monica Ruz-Peres ◽  
Eugenio Yokoya
Keyword(s):  
Dairy Products ◽  
Room Temperature ◽  
Bovine Milk ◽  
Raw Milk ◽  
Pathogenic Potential ◽  
Proteinase Production ◽  
Different Temperatures ◽  
Quality Of Milk ◽  
Means Of Transmission

The presence of yeasts in milk may cause physical and chemical changes limiting the durability and compromising the quality of the product. Moreover, milk and dairy products contaminated by yeasts may be a potential means of transmission of these microorganisms to man and animals causing several kinds of infections. This study aimed to determine whether different species of yeasts isolated from bovine raw milk had the ability to develop at 37°C and/or under refrigeration temperature. Proteinase and phospholipase activities resulting from these yeasts were also monitored at different temperatures. Five genera of yeasts (Aureobasidium sp., Candida spp., Geotrichum spp., Trichosporon spp. and Rhodotorula spp.) isolated from bovine raw milk samples were evaluated. All strains showed one or a combination of characteristics: growth at 37°C (99·09% of the strains), psychrotrophic behaviour (50·9%), proteinase production (16·81% of the strains at 37°C and 4·09% under refrigeration) and phospholipase production (36·36% of the isolates at 37°C and 10·9% under refrigeration), and all these factors may compromise the quality of the product. Proteinase production was similar for strains incubated at 37°C (16·81% of the isolates) and room temperature (17·27%) but there was less amount of phospholipase-producing strains at room temperature (15·45% of the isolates were positive) when compared with incubation at 37°C (36·36%). Enzymes production at 37°C by yeasts isolated from milk confirmed their pathogenic potential. The refrigeration temperature was found to be most efficient to inhibit enzymes production and consequently ensure better quality of milk. The viability of yeasts and the activity of their enzymes at different temperatures are worrying because this can compromise the quality of dairy products at all stages of production and/or storage, and represent a risk to the consumer.

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