How do you stop food from spoiling?

5 important questions on How do you stop food from spoiling?

What is the difference between pasteurisation and sterilisation?

  • Pasteurisation is heating to a temperature (72c) at which most bacteria and fungi are killed and sterillisation is when you heat to a temperature (130 to 140c) at which all bacteria and fungi are killed

What is adding preservatives?

  • It makes the conditions unfavourable for bacteria and fungi.
  • adding preservatives such as sugar, salt, acids or nitrogen
  • e.g sugar in jam and salit in fresh herrings and olives

What is inert atmosphere?

Under the correct mixture of gases, foodstuffs can be kept longer, as well as keeping their colour longer
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Name the list of all the ways to preserve food

  • PADISVIF
  • Pasteurisation, adding preservatives, drying, inert atmospheres, , sterilisation, vacuum packaging, irradiation and freezing

What is the salmonella bacteria?

  • A bacteria which may be present in fish or meat
  • produce toxic waste products
  • can multiply very quickly
  • food poisoning

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