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Question

What are food poisoning and food preservation?


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Solution

Food poisoning:

  1. Food poisoning is also known as a food-borne illness that is caused by consuming tainted food.
  2. The most common causative agents are bacteria, viruses, parasites, and fungi.
  3. Bacteria are typically to blame for food poisoning.
  4. Salmonella, Campylobacter, and Clostridium botulinum cause food poisoning.
  5. Food poisoning is caused by a variety of viruses as well, it is less common but can be fatal.
  6. Food poisoning can spread the deadly hepatitis A virus.
  7. Toxoplasma bacteria are a parasite that can also be the cause of food poisoning.
  8. Food poisoning symptoms include a variety of the following such as weakness, headache, nausea, and diarrhea.

Food preservation:

  1. Food preservation is the process of treating to prevent or slow food spoilage blocking the loss of quality and nutritional value.
  2. Preservation allows for longer food storage, thus increasing the shelf life of the food by delaying the oxidation of foods.
  3. Preservation inhibits the growth of bacteria, fungi, and other microorganisms.
  4. Preservatives are natural or synthetic chemicals added to foods to prevent them from getting spoiled.
  5. For meat and fish preservation, salt is used as a natural food preservative.
  6. Sugar, alcohol, and vinegar are examples of natural preservatives used to make jams and pickles.

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