NUTRITION

Morgan KearnsHigh School

WHAT ARE NUTRIENTS?

- Chemical substances

supplies by the

environment

- Required for survival

MACRONUTRIENTS

•Carbohydrates – 4.1 grams per calorie

•Protein – 4.1 grams per calorie

•Lipids – 4.1 grams per calorie

MICROMUTRIENTS

•Vitamins

•Minerals

- Organic compounds include sugar &

starches

- Two Types

- Complex Carbohydrates

- Simple Carbohydrates

- Glucose in the most commonly used for

energy

Carbohydrates

• There function is building more protein

• Supplying energy

• Supplying essential amino acids

Proteins

LIPIDS Organic compounds

Include fats, oils, and fat substances

Supply energy for cellular process

Help builds structures of cell membranes

Vitamins

Organic compounds that are essential for metabolic process.

Fat Soluble vitamins

Water Soluble

vitamins

A D E K

• Dissolved in fats and are influenced by

lipids

• Stored in tissues

Fat Soluble Vitamins

VITAMIN A

- Stored in liver- Visual pigment- Needed for bones & teeth- In fish, eggs, milk, and butter

~ stored in liver, skin, brain, sleep, & bones

~ promotes absorption of calcium &

phosphorus

~produced in skin exposed to UV light

Vitamin D

Vitamin E

Stored in muscles & adipose

Anti-oxidant

Found in oils, fruits, nuts, and veggies

Vitamin K- Stored in liver

- Helps with clotting

- Found in leafy greens, tomatoes,

& cauliflower

Water Soluble VitaminsB C

Cooking with destroy them

VITAMIN B• 6 are essential for normal cellular metabolism

Thiamine

Riboflavin

B 6

B 12

Folacin

MineralsAre inorganic elements that are essential in human metabolism

Extracted from the soil by plants

Most concentrated in bones and teeth

Calcium & PhosphorusFound in teeth and bones

Essential for nerve impulse conduction,Muscle contraction, & blood coagulation.

Important roles in nearly all metabolic reactions

Iron

Most abundant in the blood

Deficiency causes : Iron Deficiency Anemia

Function - enables hemoglobin in RBC to carry oxygen

Malnutrition

- Poor nutrition

- Lack of essential nutrients

- Failure to use them Nutrition

Any questions or comments?