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Nutrients and their functions

Obj. 4.01: Understand the six nutrient groups in food.

Ebony Mac

on 16 December 2013

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Transcript of Nutrients and their functions

Nutrients and their functions
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
Food For Thought
4.01C Nutrients
4.01C Nutrients
Water-Soluble Vitamins
4.01C Nutrients
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
4.01C Nutrients
Complete proteins:
dairy products, eggs, fish, meat and poultry.
Incomplete proteins:
beans, grains and nuts.
4.01C Nutrients
Key Nutrient: Proteins
4.01C Nutrients
Types of Fats
dairy products, meats, lard, coconut and palm oils

fish, nuts, vegetable oils
4.01C Nutrients
Key Nutrient: Fats
Supplies energy
Provides fiber
Help the body digest fats
Key Nutrient: Carbohydrates
4.01C Nutrients
Breakdown of energy nutrients
Sources of Water
Key Nutrient: Water

1. Age
2. Gender
3. Activity level
4. Climate
5. Health
6. State of nutrition
The unit used to measure the energy value of food.
What is a Calorie?
The Six Classifications of Nutrients
4.01C Nutrients
Fat-Soluble Vitamins
4.01C Nutrients
Key Nutrient: Vitamins
4.01C Nutrients
Functions of Proteins
Builds and repairs muscles and cell tissues
Helps the body make important substances
Regulates body processes
Supplies energy
4.01C Nutrients
Supply energy
Carry fat-soluble vitamins
Insulate the body
Protect organs
Provide essential fatty acids
Function of Fats
4.01C Nutrients
Sugars: honey, jam, molasses, candy, table sugar
Fiber: fruits, vegetables, whole grains
Starch: breads, cereals, pasta
4.01C Nutrients
Protein 1 Gram = 4 calories
Carbohydrates 1 Gram = 4 calories
Fat 1 Gram = 9 calories
Calories per gram:
These Nutrients Have Calories
Lipids (Fats)

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.

What is a Nutrient?

The fat-like substance found in body cells. This substance clogs arteries.
4.01C Nutrients
Key Nutrient: Minerals
4.01C Nutrients
Variables which affect nutrient needs:
Aids in digestion and cell growth and maintenance
Regulates body temperature
Lubricates joints and cells
Facilitates chemical reactions
Carbohydrate Food Sources
What is your favorite meal? Make a list of your top five foods that you eat regularly.
Obj. 4.01: Understand the six nutrient groups found in food.
Full transcript