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Processamento ultra-alta temperatura
O processamento de ultra-alta temperatura, o tratamento ultra-calor ou a ultra-pasteurização é a esterilização de alimentos, aquecendo-o por um período extremamente curto, em torno de 1-2 segundos, a uma temperatura superior a 135 ° C, que é a temperatura necessária para matar Esporos no leite. O produto UHT mais comum é o leite, mas o processo também é usado para sucos de frutas, creme, leite de soja, iogurte, vinho, sopas, mel e guisados. O leite UHT foi inventado na década de 1960, e ficou geralmente disponível para consumo na década de 1970. Uma linha de processamento UHT moderna pela Tetra Pak. O calor elevado durante o processo UHT pode causar o brilho do Maillard e alterar o sabor e o cheiro dos produtos lácteos. O leite UHT tem uma vida útil típica de seis a nove meses, até a abertura. Pode ser contrastada com a pasteurização HTST, em que o leite é aquecido a 72 ° C durante pelo menos 15 segundos. Ultra-high temperature processing, ultra-heat treatment, or ultra-pasteurization is the sterilization of food by heating it for an extremely short period, around 1–2 seconds, at a temperature exceeding 135°C, which is the temperature required to kill spores in milk. The most common UHT product is milk, but the process is also used for fruit juices, cream, soy milk, yogurt, wine, soups, honey, and stews. UHT milk was invented in the 1960s, and became generally available for consumption in the 1970s. A modern UHT processing line by Tetra Pak. High heat during the UHT process can cause Maillard browning and change the taste and smell of dairy products. UHT milk has a typical shelf life of six to nine months, until opened. It can be contrasted with HTST pasteurization, in which the milk is heated to 72°C for at least 15 seconds.
Listagem das principais pesquisas realizadas pelos usuários para acessar o nosso dicionário inglês online e expressões mais usadas com a palavra «UHT».
FREQUÊNCIA DE USO DO TERMO «UHT» AO LONGO DO TEMPO
O gráfico expressa a evolução anual da frequência de uso da palavra «UHT» nos últimos 500 anos. A sua implementação baseia-se na análise da frequência de aparecimento do termo «UHT» nas fontes impressas digitalizadas do inglês publicadas desde o ano de 1500 até ao momento.
Citações, bibliografia em inglês e atualidade sobre UHT
10 LIVROS EM INGLÊS RELACIONADOS COM «UHT»
Descubra o uso de UHT na seguinte seleção bibliográfica. Livros relacionados com UHT e pequenos extratos deles para contextualizar o seu uso na literatura.
Continuous Thermal Processing of Foods: Pasteurization and ...
This new book updates and expands Harold Burton's classic book, UHT Processing of Milk and Milk Products, to provide comprehensive, state-of-the-art coverage of thermal processing of liquid and particulate foods.
Michael J. Lewis, Neil J. Heppell, 2000
Food Packaging: Principles and Practice, Third Edition
19.2.2 uht milk The International Dairy Federation has suggested that UHT milk
should be defined as “milk which has been subjected to a continuous-flow
heating process at a high temperature for a short time and which afterward has
Gordon L. Robertson, 2012
Handbook of Food Preservation
Proteins are, to a certain extent, denatured during UHT processing . This is
particularly the case with whey proteins. The direct heating process causes less
denaturation (60-70%), while the indirect process denatures about 75-80% of ...
M. Shafiur Rahman, 1999
These chemicals are used analytically to differentiate sterilised milk from UHT.
9.2.3 UHT treatment The chemical denaturation of milk quality in sterilised milk
has to a large extent, been eliminated — or at best substantially reduced — by
Frank Harding, 1995
Technology of Dairy Products
(1985) report that off-flavour development and vitamin C loss due to fluorescent
light progress more rapidly in polyethylene containers than in polyethylene-
coated cartons. 1.6.2 UHT milk Ultra-high temperature processing has been
Ralph Early, 1998
Microbiological Safety and Quality of Food
The packaging material can also have an influence on the shelf life of
pasteurized milk either by direct contamination of the product by organisms on
the material, or indirectly by allowing bacteria to penetrate into the product.150
22.8.3 UHT ...
Barbara Lund, Tony C. Baird-Parker, Grahame Warwick Gould, 2000
Food Industries Manual
Viscous products, e.g. custards, desserts, can also be UHT processed, but highly
viscous products, and products containing particulates, require the use of a
scraped surface heat exchanger. Age gelation in UHT milk and creams In some ...
M.D. Ranken, Christopher G J Baker, R.C. Kill, 1997
Microorganisms in Foods 6: Microbial Ecology of Food Commodities
More commonly, however, milk is UHT heated continuously either by a direct
treatment with steam injection or by an indirect treatment by means of heat
exchangers, followed by aseptic packaging (Burton, 1988; Robinson, 2002). The
aim is to ...
International Commission on Microbiological Specifications for Foods (ICMSF), 2006
Fundamentals of Dairy Chemistry
UHT milk differs from pasteurized milk mainly in the heat treatment employed for
sterilization. Usually UHT milk is heated at 130° to 150°C for 2 to 8 seconds and
is then aseptically packaged. In the final heating stage, steam is injected directly
Robert Jenness, Noble P. Wong, Elmer H. Marth, 1988
Thermal Food Processing: New Technologies and Quality ...
An up-to-date survey of essential techniques and the science behind them, this volume is a critical reference for food industry professionals.
Da-Wen Sun, 2012
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «UHT»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo UHT no contexto das seguintes notícias.
Research and Markets: Global Market Study on UHT Milk 2014 …
Growing apartment culture coupled with lack of cold chain infrastructure is driving the global UHT milk market. The market is mainly driven by increasing ... «Business Wire, jul 15»
"Rocky" Takes the Field at Jerry Uht
If you stop by Jerry Uht Park tonight, you'll see a familiar face taking the field. The ANNA Shelter has announced that Rocky will be "fetching" the first pitch at the ... «YourErie, jun 15»
Memorial Day Crowd Fills Jerry Uht Park
"I got a couple of buddies in the military. It's just a day for family and friends to come together and what a better way to do it then at Jerry Uht Park. It's beautiful out ... «YourErie, mai 15»
Australians still suspicious of long-life milk, survey reveals
Australians still haven't got a taste for UHT and long-life milk, even it if is widely consumed by much of the rest of the world, and is especially popular among ... «FoodNavigator-Asia.com, mai 15»
Westland Milk building $40m milk plant in Canterbury
The long life product known as UHT milk for its ultra high temperature processing usually has a shelf life of six to nine months and is usually used in hot climates. «The Press, abr 15»
Organic and UHT milk could put unborn babies at risk, says study
“Organic and UHT milk is not bad for you, and drinking all types of milk has ... milk, you would need to drink around an extra half-pint of organic or UHT milk.”. «The Guardian, abr 15»
PowerHouse Energy to focus on new PHE G-3 UHT technology
Waste-to-energy specialist Powerhouse (LON:PHE) is jettisoning Pyromex technology to focus on the new PHE G-3 UHT gasification system. The strategic ... «Proactive Investors UK, fev 15»
'Sad day if we're putting UHT milk on our cornflakes in the morning'
I think it would be a sad day if we are looking to get UHT milk to put on our cornflakes in the morning stated all year round liquid milk producer and TD for ... «Agriland, nov 14»
Avonmore UHT milk selling for €3.50/L in China
Speaking at the official launch of its UHT liquid milk offering in Shanghai this week, which was included within the itinerary of the Irish agri-food Trade Mission, ... «Agriland, nov 14»
Irish Dairy Board expands China presence with Kerrygold UHT milk
Ultra-heat treated (UHT) Kerrygold Whole Milk was unveiled by Irish Minister for Agriculture, Food and the Marine, Simon Coveney in Beijing this week. «DairyReporter.com, nov 14»
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