Exceptions of Fridge temperature guide
Item Number: 11453
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Intro:
Some fruit and vegetables keep much better at temperatures higher than 5°C. In industry these can be met, however, householders generally don’t know these special requirements and their fridge well enough to take advantage of them. There are some special requirements and fridge characteristics that are easy to learn. Some tropical fruits can deteriorate in normal fridge fresh food compartment temperatures: they store better in slightly warmer environments. (Refrigeration compressor spare parts)
Most fridges have at least one warmer area; the most obvious of these is the dairy compartment. Dairy compartments are usually located at the top of the fresh food compartment door and some maintain temperatures around 8°C. This keeps old-fashioned butter and foods like soft cheeses ready to serve. Butter and soft cheeses can also be kept at colder temperatures so it is possible to move them out in favour of common foods such as green beans. (Refrigeration compressor spare parts)
Why do foods spoil?
To understand why these temperatures are considered optimal it helps to know what it is that causes foods to spoil. Foods change markedly if they suffer a chemical or physical change. Chemical changes include ripening, maturing or oxidising, also known as becoming rancid. Physical changes include:(Refrigeration compressor spare parts)
Mechanical stress – particularly poor packaging and handling.(Refrigeration compressor spare parts)
Cooling – particularly freezing or changes in phase.(Refrigeration compressor spare parts)
Heating – particularly cooking and migration of moisture.(Refrigeration compressor spare parts)
Microbial micro-organisms, also known as bacteria and moulds, spoil food by eating the cell structure. In the process they increase in number. Some micro-organisms are bad not only because they spoil the sensory and nutritional value of food but also because they can be poisonous. While most pathogenic micro-organisms can be easily killed by thorough cooking, some produce toxins that are not destroyed by cooking.
Many foods are eaten raw and some of these can be risky. Some bacteria can cause food poisoning and other illnesses which can be fatal to vulnerable segments of the population, particularly immunocompromised persons including foetuses, infants, those with a serious illness, and the frail aged. (Refrigeration compressor spare parts)
Blanching can have a positive effect on preserving vegetables. A sudden increase in temperature and cooling deactivates the enzymes that cause some foods to ripen and go off.(Refrigeration compressor spare parts)
For more information please go to http://haiton.com.au/
For more information please go to http://haiton.com.au/
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