"Nutrition of Food" Food PPT Courseware

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"Nutrition of Food" Food PPT Courseware

Six types of nutrients in food:

sugar water

fat minerals

protein vitamins

protein

Protein is the main component of human muscles, organs, hair, nails and blood.

carbohydrate

Sugar is also the body's main source of energy.

Mostly in the form of starch

Fat

Fat is the body's main source of energy.

Five functions:

(1) Supply and store heat energy

(2) Protect body tissues

(3) Supply essential fatty acids

(4) Promote the absorption of fat-soluble vitamins

(5) Maintain body temperature

Identify nutrients in food

Identification of proteins

1. Light the alcohol lamp;

2. If you burn food on an alcohol lamp, you will smell a smell like burning hair.

Protein smells like burnt hair when burned over fire.

Identification of fat

1. Apply cooking oil to the white paper.

2. Squeeze and slide fat or peanuts on the white paper.

Fatty foods can leave grease stains on white paper.

Identification of starch

1. Add a drop of iodine into the starch paste and you will see the starch turn blue or blue-purple.

2. Drop iodine on different foods and observe the experimental phenomena.

If the food turns blue after being sprinkled with iodine, it indicates that the food contains starch.

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For more information about the "Food and Food Nutrition" PPT courseware, please click on the Food ppt Food Nutrition ppt tab.

"Food Nutrition" Food in Life PPT Courseware 3:

"Food Nutrition" Food in Life PPT Courseware 3 Student Activity Summary: What nutrients are common in the food labels collected by your group? Summary: The main nutrients are: protein, fat, inorganic salts, vitamins, sugars, water... ...

"Food Nutrition" Food in Life PPT Courseware 2:

"Food Nutrition" Food in Life PPT Courseware 2 How to identify protein: Food contains very rich nutrients. The usual nutrients are divided into: protein, starch, fat, vitamins and minerals, and water. Conclusion: 1. Our body needs various...

"Food Nutrition" Food in Life PPT Courseware:

"Food Nutrition" Food PPT Courseware in Life Think about what nutrients our bodies need for growth and development? What nutrients can we get from a wide variety of foods? What specific foods contain these nutrients? What nutrients are contained in food...

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Update Time: 2024-11-22

This template belongs to science courseware Fourth Grade Science Volume 2, Textbook Edition industry PPT template

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