Food preservation

2k views • 37 slides

Food preservation: Dehydration

Food preservation: Dehydration. Dehydration. One of the oldest methods of preserving food Alternative to canning & freezing Simple, safe and easy to learn Can dry year round No refrigeration needed Takes little space. How Drying Preserves.

2.55k views • 33 slides

Food Preservation by Drying

Food Preservation by Drying. Water is removed from foods:. Under natural field conditions Controlled dehydration processes Common operations such as cooking or baking. Foods dehydration refers to.

7.95k views • 30 slides

Food Preservation

Food Preservation. Kaltham Al-Kuwari Science 7D. Two basic ideas behind Food Preservation . The basic idea behind food preservation is usually either of these two: To slow down the activity of disease-causing bacteria or - To kill the bacteria all together.

1.33k views • 15 slides

Food Preservation

Food Preservation. Isa Malik 7d. Two basic ideas behind food preservation. To slow down the activity of harmful bacteria. To kill all the bacteria and none will remain. Refrigerating and freezing.

1.52k views • 8 slides

Food Preservation

Food Preservation. By: Taran Kanabar. We preserve food so that we can keep food nutritious and edible over long periods of time. By preserving food we either kill the bacteria altogether (cooking it is a common way) or we simply slow down the the speed of the bacteria reproducing.

760 views • 12 slides

Food Preservation

Food Preservation. What are the two basic ideas behind food preservation? . The basic ideas between food preservation is either: To slow down the growth of disease-causing bacteria To kill all the bacteria in the food. Canning.

1.84k views • 11 slides

Food Preservation Technology

Food Preservation Technology. Ch. 28. Objectives: Describe the effect of freezing on foods Identify and describe commercial freezing methods Demonstrate how to choose and package foods for freezing at home Explain the role of sublimation in freeze-drying

1.21k views • 11 slides

FOOD PRESERVATION

FOOD PRESERVATION. Food preservation frees people from total dependence on geography and climate in providing for their nutritional needs and wants . . Through food preservation, wastage of food can be reduced. As the old saying goes “Waste not, want not”.

78.79k views • 36 slides

Food Preservation

Food Preservation. Done By: Sara Al-Khater. Done By: Sara Al Khater. What is F ood Preservation. Food preservation is the process of treating and handling food to stop or slow down food spoilage, loss of quality, edibility or nutritional value and this allows for longer food storage. #1.

663 views • 8 slides

Food Preservation

Food Preservation. Products of food Industry are consumed by human beings Foods are living systems . FACTORS OF SPECIAL IMPORTANCE. SAFETY : Since foods are living systems, biochemical and microbiological changes take place continuously.

812 views • 33 slides

Food Preservation

Food Preservation. By Simon Chute. What is it?. In the earlier days people would have to go long periods of time without a good supply of food, so they needed a way of keeping food fresh for long periods of time. There are two main reasons for this method of preserving the food:

1.44k views • 11 slides

Food preservation

Food preservation. Umar Ibrahim 7D. Why do we preserve food?. We preserve food because that way the food wont be broken down, and can be exported to different cities or countries around the world. What ways can we preserve food?. Freezing Preservatives Canning Salting Dehydration.

958 views • 12 slides

FOOD PRESERVATION Canning

FOOD PRESERVATION Canning . By Pam & Alicia . Why use canning to preserve food?. It stops food from going bad because it removes oxygen destroys enzymes and prevents the growth of bacteria yeast and mold. How do we do it ?. Select fresh, clean food Peel if necessary Pack into clean jars.

1.02k views • 10 slides

Food preservation

Food preservation. By:ahmed dualeh. How to do it. The way to preserve food is that if it is a dry food the best thing to do is store it in a cool and dry place were it will not get too cold or get too hot. How to do it.

1.31k views • 6 slides

Home food preservation

Home food preservation. Dr. Ben Chapman Dept of 4-H Youth Dev and FCS North Carolina State University North Carolina Cooperative Extension benjamin_chapman@ncsu.edu. Canning history lesson. Canning dates to late 18th century in France

764 views • 33 slides

Food Cultures ↓ Food Preservation

keep food good. they give a lot of milk in spring. cows. kill bacteria. food went bad quickly. cheese. soy sauce and wasabi. they don’t give a lot of milk in winter. Japanese dishes. Food Cultures ↓ Food Preservation. long history. preserve milk. delicious. spices.

812 views • 17 slides

Home food preservation

Home food preservation. Dr. Ben Chapman Dept of 4-H Youth Dev and FCS North Carolina State University North Carolina Cooperative Extension benjamin_chapman@ncsu.edu. Canning history lesson. Canning dates to late 18th century in France

560 views • 33 slides

Food Preservation

Food Preservation. Food Spoilage. Biological Changes Fermentation: The conversion of carbohydrates to carbon dioxide and alcohol by yeast or bacteria. Food Spoilage. Chemical Changes Enzymes play a significant role in catalyzing these reactions

1.52k views • 21 slides

Food preservation

Food preservation. Killing the microorganisms in food. Stopping their growth. Refrigeration (Freezing). Low temperature inactivates the microorganisms, thus slowing down the multiplication of microorganisms For example fish and meat. Heating.

4.63k views • 16 slides

Food Preservation

Food Preservation. By Dr. Nuzhat Sultana M.B. Food Spoilage. Biological Changes Yeast: A fungus (a plant that lacks chlorophyll) that is able to ferment sugars and that is used for producing food products such as bread and alcohol.

2.94k views • 18 slides