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5.01C What is a Nutrient? PowerPoint PPT Presentation


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A nutrient is a chemical substance in food that helps maintain the body. You need over 50 nutrients, which can be divided into six groups . 5.01C What is a Nutrient?. Water Carbohydrates Lipids (Fats) Proteins Vitamins Minerals. 1. The Six Classifications of Nutrients. Water

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5.01C What is a Nutrient?

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5 01c what is a nutrient

A nutrient is a chemical substance in food that helps maintain the body.

You need over 50 nutrients, which can be divided into six groups.

5.01C What is a Nutrient?

  • Water

  • Carbohydrates

  • Lipids (Fats)

  • Proteins

  • Vitamins

  • Minerals

5.01C Nutrients

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5 01c what is a nutrient

The Six Classifications of Nutrients

  • Water

  • Carbohydrates

  • Fats

  • Protein

  • Vitamins

  • Minerals

Sugars

Starches

Cellulose

5.01C Nutrients

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5 01c what is a nutrient

These Nutrients Have Calories

  • Proteins

  • Carbohydrates

  • Fats

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5 01c what is a nutrient

Definition of a Calorie:

  • The unit used to measure the energy value of food.

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Calories per gram

Calories per gram:

  • Protein 1 Gram = 4 calories

  • Carbohydrates 1 Gram = 4 calories

  • Fat 1 Gram = 9 calories

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5 01c what is a nutrient

Variables which affect nutrient needs:

1. Age

2. Gender

3. Activity Level

4. Climate

5. Health

6. State of nutrition

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Key nutrient water

Key Nutrient: Water

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5 01c what is a nutrient

Function

  • Aids digestion and cell growth and maintenance

  • Facilitates chemical reactions

  • Lubricates joints and cells

  • Regulates body temperature

PPB5.01c_Nutrients

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5 01c what is a nutrient

Sources

  • Liquids

  • Food

  • Breakdown of energy nutrients

PPB5.01c_Nutrients

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Key nutrient carbohydrates

Key Nutrient: Carbohydrates

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5 01c what is a nutrient

Function

  • Supplies the energy

  • Provides fiber

  • Help the body digest fats

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5 01c what is a nutrient

Sources

  • Sugars: honey, jam, molasses, candy, table sugar

  • Fiber: fruits, vegetables, whole grains

  • Starch: breads, cereals, pasta

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Key nutrient fats

Key Nutrient: Fats

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5 01c what is a nutrient

Function

  • Supply energy

  • Carry fat-soluble vitamins

  • Insulate the body

  • Protect organs

  • Provide essential fatty acids

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5 01c what is a nutrient

Sources

  • Types of Fats

    • Saturated: dairy products, meats, lard, coconut and palm oils

    • Unsaturated: fish, nuts, vegetable oils

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Cholesterol

Cholesterol

  • The fat-like substance in found in body cells. This substance clogs arteries.

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Key nutrient proteins

Key Nutrient: Proteins

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5 01c what is a nutrient

Functions

  • Builds and repairs muscles and cell tissues

  • Helps the body make important substances

  • Regulates body processes

  • Supplies energy

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5 01c what is a nutrient

Sources

  • Complete proteins:

    • dairy products, eggs, fish, meat and poultry.

  • Incomplete proteins:

    • beans, grains and nuts.

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Key nutrient vitamins

Key Nutrient: Vitamins

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5 01c what is a nutrient

Function

Vitamins are divided into two main groups.

  • Fat-soluble vitamins

    • dissolve in fats

    • are stored in fatty tissues of the body

  • Water-soluble vitamins

    • dissolve in water

    • are not stored in the body

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Fat soluble vitamins

Fat-Soluble Vitamins

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5 01c what is a nutrient

Water-Soluble Vitamins

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Key nutrient minerals

Key Nutrient: Minerals

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5 01c what is a nutrient

Minerals

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Food for thought

Food For Thought

Avoid excesses of some vitamins and minerals.

To promote good nutrition and maintain good health:

  • Eat a variety of foods from the food guide pyramid.

  • Drink plenty of water

  • Daily exercise

  • Seek the advice of a physician or dietician before taking supplements

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