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Food can be preserved by putting into sealed cans. Or frozen, or kept cool in a refrigerator. Vacuum packing, freeze drying, salting, air or oven drying, pickling in vinegar, can also be used.

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9y ago
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16y ago

There are a number of food preservation methods, including:

* Irradiation * Canning * Freezing * Drying * Salting * Pickling * Fermenting * Acidifying * Smoking * Modified Atmosphere Packaging * Pulsed Light

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10y ago

You can prevent food from spoiling by storing it adequately. Using up food before its use by or sell by date also helps to prevent food from spoiling.

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12y ago
  • Freezing
  • Irradiation
  • Pickling
  • Dehydration
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8y ago

To prevent food from spoiling, the food is frozen. This avoids the food from spoiling.

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14y ago

proper containing and storing

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Q: How can people prevent food from spoiling?
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not keeping it refrigerated


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What food do you heat to prevent spoiling?

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What is the importance of knowing holding temperature of hot and cold dishes?

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When food is packaged in cans, air is sucked out of the can to help prevent the food inside from spoiling. Some manufacturers add preservatives to food to help keep it fresh longer.


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Store flour in a food grade plastic container with tight fitting lid. Keep in cool, dark place to prevent insects from getting at the flour and to prevent sunlight from spoiling the flour


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In the start, it was difficult because of spoiling. But now the food is frozen to keep it from spoiling.


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