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Refrigeration and freezing

 

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Refrigeration: A deep dive into the deep freeze

26 April 2016 | By Ruud van der Sman, Food & Biobased Research, Wageningen University & Research Centre (UR)

Freezing is an important means for food preservation as, with this technology, long term storage of high quality foods is possible. To achieve high food quality the freezing rate is an important parameter, determining ice crystal size and shape and also the mechanical stresses imparted to the food. For foods…

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The sky’s the limit for frozen foods

21 October 2015 | By Victoria White

Suppliers of frozen foods are being encouraged to consider expanding their business horizons, following research which suggests there is a gap in the airline market for their products...

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Temperature control strategies for smarter energy use in refrigerated warehouses

1 September 2015 | By Kostadin Fikiin, Refrigeration Science and Technology, Technical University of Sofia (Bulgaria), Chairman of the EHEDG Working Group ‘Food Refrigeration Equipment’

Temperature is generally considered as the single most important factor for determining food quality and safety. This definition means that a lot of other process parameters or storage conditions may more or less influence upon the food product in different industrial situations, but temperature is the main physical value as…

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Refrigeration: Can magnetism improve the storage of foods?

23 April 2015 | By Christian James, Graham Purnell & Stephen J James, Food Refrigeration and Process Engineering Research Centre, Grimsby Institute of Further and Higher Education

Frozen food is one of the largest sectors of the food industry and its value is increasing throughout the world. According to market research by Food For Thought, the frozen food market in seven of the major Western European economies was valued at €83.51 billion in 2013 and is expected…

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Freeze-drying in the coffee industry

23 April 2015 | By

Freeze-drying is a process used in food processing to remove water from foodstuffs, with the goal of increasing their shelf life. The process consists of various steps: At first product temperature is lowered, usually to about -40°C, thus causing freezing of the free water. Later, the pressure in the equipment…

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Current advances in food freezing

27 October 2014 | By Christian James and Stephen J. James, Food Refrigeration and Process Engineering Research Centre, Grimsby Institute of Further and Higher Education

Frozen food is one of the largest sectors of the food industry and its value is increasing throughout the world. The frozen food market in seven of the major Western European Economies was valued at €83.51 billion in 2013 and is expected to grow in value by 10.89 per cent by 20161.…

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Lyophilisation: Atmospheric food freeze-drying: challenges and opportunities

2 January 2014 | By Davide Fissore, Mauricio M. Coletto and Antonello A. Barresi, Department of Applied Science and Technology, Politecnico di Torino

Freeze-drying is a process that can be used to remove water from foodstuff, thus increasing their shelf-life, avoiding deterioration of aroma and flavour compounds as well as nutrient degradation. In a vacuum freeze-drying process, product temperature is firstly decreased in such a way that all the free water freezes, then…

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Pork quality and carcass chilling

26 April 2013 | By Lars Kristensen, Section Manager, Danish Meat Research Institute

Chilling of hot carcasses is an important process in the meat production chain, and the rate of chilling especially has a major impact on meat quality, chill loss, shelf-life and microbial safety. The carcass temperature just before chilling is normally in the range of 39 – 40°C, and the goal…

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ANDEROL introduces EVEREST™ brand refrigeration lubricants

29 November 2012 | By

Today’s refrigeration marketplace demands more energy-efficient compressor equipment, using greener refrigerant gases such as hydrofluorocarbon (HFC) gas. Everest™ refrigeration lubricants are designed to impart optimum performance, lower energy consumption and longer service life to these air-conditioning systems.