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You have seen that in most of the packed foodstuff,an expiry date is usually printed.If we use that food-stuff after the expiry date,it gives a bad smell and a bad taste. i) Why does the food give a bad taste and bad smell after the expiry date ii) Write any two methods used by the food industry to prolong the life of packed food.

Respuesta :

Explanation:

  • For (i):

The oxidation reaction is defined as the reaction where the gain of oxygen atoms or the loss of hydrogen atoms takes place.

Foodstuff tastes bad and releases A bad odour due to the oxidation of food items and this process is called rancidity.

  • For (ii):

To prevent food from getting rancid, various processes can be used:

  1. Using airtight containers to avoid contact with oxygen
  2. Using anti-oxidation to avoid oxidation
  3. Inserting nitrogen gas into the packaged food items

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