FOOD PROCESSING
FOOD PRESERVATION METHODS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Looks abd tastes different
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Contains micro-organisms that are harmful to health
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Has been heated or chilled to quickly
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Has developed a different smell
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Detailed explanation-1: -Briefly, biological contamination is when food is contaminated with infectious bacteria (such as Salmonella spp. and L. monocytogenes) or toxin-producing organisms (such as Clostridium botulinum) and viruses (such as norovirus), which are a common cause of food poisoning and food spoilage.
Detailed explanation-2: -Biological contamination refers to food that’s contaminated by substances produced by living creatures – such as humans, rodents, pests or microorganisms. This includes bacterial contamination, viral contamination or parasite contamination that’s transferred through saliva, pest droppings, blood or faecal matter.
Detailed explanation-3: -Biological contaminants include bacteria, viruses, animal dander and cat saliva, house dust, mites, cockroaches, and pollen. There are many sources of these pollutants. By controlling the relative humidity level in a home, the growth of some sources of biologicals can be minimized.