scholarly journals Ocorrência de microrganismos indicadores em leite UHT ("ultra-high-temperature") integral

2000 ◽  
Vol 7 (1) ◽  
pp. 58-60 ◽  
Author(s):  
Naiá Carla Marchi de Rezende ◽  
Oswaldo Durival Rossi ◽  
Antonio Nader ◽  
Luiz Augusto de Amaral
Keyword(s):  
High Temperature ◽  
Temperature Integral ◽  
Ultra High Temperature

Ultra-high Temperature (UHT) Processing: Technological Significance and Updates

2020 ◽  
Vol 16 (8) ◽  
pp. 1183-1195
Author(s):  
Prasad Rasane ◽  
Nitya Sharma ◽  
Sana Fatma ◽  
Sawinder Kaur ◽  
Alok Jha ◽  
...  
Keyword(s):  
High Temperature ◽  
Shelf Life ◽  
Raw Milk ◽  
Fundamental Principle ◽  
Point Of View ◽  
Cold Chain ◽  
Historical Significance ◽  
Perishable Commodity ◽  
Quality Of Milk ◽  
Ultra High Temperature

Background: Background: Milk forms an integral part of the human diet from the nutritional point of view. Besides nutrition, it has also unique functional properties which are harnessed by the industry for numerous uses. Being highly perishable specific techniques are required to minimize the losses during processing and adequate preservation of this precious commodity. In the U.S. and many other parts of the world, the traditional pasteurization of milk requires a minimum heat treatment of 72ºC for 15 seconds with subsequent refrigeration. However, the advent of Ultra High Temperature (UHT) treatment of milk has added a new dimension to the marketing of liquid milk in urban as well as remote areas without the requirement of cold chain management. The distinctive feature of UHT processed milk is that it is commercially-sterile-not pasteurized and so has long shelf life at room temperature. UHT milk, also known as long-life milk, is emerging as an attractive commercial alternative offering a hygienic product of unmatched quality, which can be bought anywhere, at any time and in any quantity. The present review will discuss numerous aspects of UHT processing of milk with reference to historical significance, fundamental principle, various systems used and prerequisites, type of exchangers used, fouling and other defects in system, chemical and microbiological effect of the treatment, its effect on nutritional components, organoleptic quality of milk and the advantage and involved challenges of the process. Conclusion: Raw milk is easily contaminated with pathogens and microbes and hence its consumption of raw milk is associated with certain ill health effects. Therefore, heating milk before consumption is strongly suggested. Thus, UHT treatment of milk is done to ensure microbial safety and also to extend the shelf life of this highly perishable commodity. Heating milk at such a high temperature is often associated with the change of organoleptic properties like change in flavor or cooked flavor, rancidity due to microbes or acid flavor, etc. But UHT treatment does not substantially decrease the nutritional value or any other benefits of milk.

Superior ultra-high temperature multilayer ceramic capacitors based on polar nanoregion engineered lead-free relaxor

2020 ◽  
Vol 40 (13) ◽  
pp. 4487-4494 ◽  
Author(s):  
Yuru Xu ◽  
Yudong Hou ◽  
Beibei Song ◽  
Huarong Cheng ◽  
Mupeng Zheng ◽  
...  
Keyword(s):  
High Temperature ◽  
Lead Free ◽  
Multilayer Ceramic Capacitors ◽  
Ceramic Capacitors ◽  
Multilayer Ceramic ◽  
Ultra High Temperature

Ultra high temperature stability of milk protein concentrate: Effect of mineral salts addition

2021 ◽  
Vol 300 ◽  
pp. 110503
Author(s):  
Jaspal Singh ◽  
Agathe Dean ◽  
Sangeeta Prakash ◽  
Bhesh Bhandari ◽  
Nidhi Bansal
Keyword(s):  
High Temperature ◽  
Milk Protein ◽  
Temperature Stability ◽  
Protein Concentrate ◽  
High Temperature Stability ◽  
Mineral Salts ◽  
Milk Protein Concentrate ◽  
Ultra High Temperature
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