2. Objectives
Distinguish among the six classes of
nutrients.
Identify the importance of each type of
nutrient.
Explain the value of nutrients.
3. Your body needs nutrients
found in foods.
1. Nutrients provide energy and materials
for cell development, growth, and
repair.
2. You need energy for every activity and to
maintain a steady internal temperature.
4. Classes of Nutrients
1. Proteins
a. Used for replacement
and repair of body cells
and for growth
b. Made up of amino
acids
c. Found in eggs, milk,
cheese, and meat
d. Essential amino acids
must be supplied by
food.
5. 2. Carbohydrates
a. The main source of energy for
your body
b. Made up of carbon, hydrogen,
and oxygen atoms; energy holds
these atoms together
c. Sugars are simple
carbohydrates; starch and fiber
are complex carbohydrates.
d. Sugars are found in fruits, honey,
and milk.
e. Starches are found in potatoes
and pasta.
f. Fiber is found in whole-grain
breads, beans, and peas.
6. 3. Fats
a. Also called lipids
b. Provide energy and help your
body absorb vitamins
c. Because fat is a good storage
unit for energy, any excess energy
is converted to fat.
d. Classified as unsaturated or
saturated based on their chemical
structure
e. Saturated fats are associated
with high cholesterol.
7. 4. Vitamins
a. Needed for growth,
regulating body
functions, and preventing
disease
b. A well-balanced diet
usually gives your body
all the vitamins it needs.
c. Two groups: water-
soluble and fat-soluble
8. 5. Minerals
a. Are inorganic nutrients
b. Regulate many
chemical reactions in
your body
c. Calcium and
phosphorous are used
most by the body.
9. 6. Water
a. Required for survival.
b. Cells need water to carry out their work.
c. Most nutrients your body needs must be dissolved in
water.
d. The human body is about 60 percent water.
e. You lose water each day when you perspire, exhale,
and get rid of wastes.
10. Food Groups
1. Because no food has every
nutrient, you should eat a
variety of foods.
2. The food pyramid helps people
select foods that supply all
the nutrients they need.
3. Foods that contain the same
nutrients belong to a food
group.
4. Five food groups:
a. Bread and cereal
b. Vegetable
c. Fruit
d. Milk
e. Meat
11. Why is it
important to
eat healthy?
• Best way to live a healthy life is to
eat a balanced diet
• To provide nutrients that your body
needs to function
• To give you more energy and
alertness throughout the day
• To prevent future disease and
sickness
• Diabetes, obesity and
cancer
12. Basic Nutrition
Food pyramid
Recommendation of
what to eat based
on dietary guidelines
Food pyramid
breakdown
Fats
Dairy
Meat
Fruits & Vegetables
Grains
13. Grain Group
Cereals, breads,
crackers and rice
Supplies energy
through carbohydrates
6-11 servings daily
How can you get the
right amount of grains?
Bread in sandwiches
Cereal and oatmeal
during breakfast
Rice with dinner
14. Fruit and Vegetable Group
Fruits & Vegetables
Packed with vitamins
Low in energy
Great source of
minerals
Common fruit: apples,
peaches, bananas
Common vegetables:
broccoli, carrots and
corn
3-5 Servings per day
Eat as a snack!
15. Dairy Group
Important sources of
proteins, vitamins
and minerals
Rich in calcium
Important for teeth
and bones
Milk, yogurt, cheese
High in Fat
Good sources if
vitamins A and D
16. Why do you need calcium?
Essential nutrient for children to help grow
strong bones
Reduces the risk of bone disease when
older
Increase amount of calcium by drinking
milk!
17. Meat
Primary source of
protein in the diet
Protein provides
body with dietary
energy needed for
growth and repair
Meat, poultry
(chicken), fish, eggs
and nuts
2-3 servings per day
18. Good Protein
Eating foods with little fat and high protein
can help with the following:
Healthy heart
Keeping a low cholesterol level
Reduce risk of heart disease when you are
older
19. How you can eat healthier
Eat regular meals
Breakfast is the most important meal of the day
Keeps body filled with fuel to get through the
day
Eat a variety of foods
Fruits and vegetables
Try to eat more apples and grapes and less
cookies and chips (junk food)
Cut down on high fat and sugar
Drink water or juice instead of soda
