food preservation

How does dehydration work to preserve food?

• Provides an acidic environment.

• Removes oxygen exposure.

• Removes water content.

• Removes water content by freezing water particles.

Which food preservation technique works by heating and sealing food in an airtight container?

• Vacuum Sealing.

• Dehydrating.

• Canning.

• Sun-Drying.

What food preservation technique has been used here?

• Pickling.

• Adding Salt.

• Adding Lactic Acid.

• Adding Sugar.

What food preservation technique has been used here?

• Freezing.

• Sun-Drying.

• Dehydrating.

• Vacuum Sealing.

True or False. Meat is preserved to prevent it from spoiling.

True or False. Drying method uses sunlight and artificial light.

True or False.Many fruits may be made into jams, jellies, candies, juices and

pickles.

What method of food preservation is putting the food into less than zero degree celcius?

• Refrigeration or Freezing

• Salting

• Curing

• Drying

What does it mean to preserve food?

• To make food last longer

• To stop the growth of bacteria

• To not waste food

• All of these

Which of the following is true?

• Freezing PREVENTS the growth of food poisoning bacteria

• Freezing KILLS food poisoning bacteria