Transcript Nutrition

Nutrition
Facts
What is a nutrient?
A nutrient is a substance used in an
organism's metabolism which must
be taken in from the environment
6 Classes of Nutrients
Carbohydrates
Fats(lipids)
Proteins
Vitamins
Minerals
Water
Calories
Is the energy you use when you
exercise. Calories come from the
foods that we eat.
Carbohydrates, Fats, then proteins.
Carbohydrates
Primary purpose is to provide energy
1st energy source to be used
3 Types of Carb’s
Starches- chief energy source
Fiber- aides in digestion
Glucose(sugars)- becomes stored
energy called glycogen
What are some sources
of carbohydrates?

Bread, beans, milk, popcorn, potatoes,
cookies, spaghetti, soft drinks, corn,
and cherry pie. They also come in a
variety of forms
Fats
Used 30 minutes into exercise
Should be less than 30% of diet
Saturated fat should be less than
10% of the diet
Types of Fats
1.
Saturated fats—come from animal fats. Ex) Fat
off of steak
2.
Trans Fat– hydrogenation of vegetable oil-raises cholesterol level. Ex) French Fries
3.
Unsaturated fats—comes from plant fats. Ex)
nuts and vegetable oils.
4.
Polyunsaturated fats– “healthy fats”—Ex) fish
or seafood and grain products.
Proteins
They are comprised of amino acids.
Amino acids are the basic structural
building units of proteins.


The body produces 20, called standard
amino acids.
The body cannot produce 9, called essential
amino acids. (diet must supply these)
What are some sources
of proteins?
Milk, soy milk, eggs, cheese, yogurt,
peanut butter, lean meats, fish,
poultry, beans, bread, pasta, nuts,
and seeds.
Well Balanced
If diet is not well balanced, body will
begin to waste away to nothing.
Brain begins to go.