Tiger Food Science

Food Science- study of production, processing, preparation, evaluation, and 

  utilization of food.

Nutrition- study of how nutrients are used and processed by the human body to 

        provide good health.

Nutrients-    Carbohydrates

Fats

Proteins

Vitamins

Minerals

Water

*Nutrients are found in all kinds of foods we eat.

*Some nutrients are more present in various foods than other.

Example: Bread has more carbohydrates than a beef patti, but a beef patti has 

      more protein then bread.

3 types- Starches, Sugars, Fiber

Provides energy to your body.  Found in foods such as grains, breads, pasta, 

rice.          1 gm=4 calories

*Sugars-simple structure

*Starches-Complex structure

*Fiber-nondigestible, use to help in digestion

2 types- Saturated, Unsaturated

Provides energy to your body, cushion body parts, protects organs.                             1 gm=9 calories

Saturated Unsaturated

-From animal sources-mono & poly

 beef, pork, fish, chicken       -from plant sources

-saturated w/ hydrogen-liquid at room temp.

 molecules-oil

-lard

 solid at room temp.

2 types-Complete, Incomplete

Provides energy to your body.  Builds muscles.  Proteins are made of Amino 

Acids.  it takes many Amino Acids to make a protein molecule.  The # of 

Amino Acids determine if a protein is Complete or Incomplete.  Amino 

Acids are known as "The Building Blocks of Protein."

9 essential amino Some amino acids are

acids are present in missing in food.

food.  Meat, poultry, fishVegetables, breads,

dairy, eggs.cereals, nuts.  Beans

provide some, but not all.

Human body can manufacture amino acids, but 8 of them cannot be made and need to be obtained by eating certain foods, such as meats.

Vitamins -6 main vitamins

A, B, C, D, E, K

Help fight infection and allows body to function properly.  Found in Fruits & Vegetables.  2 types-

A, D, E, KB, C

dissolve and transportdissolve in water and

in fat, stored in bodynot stored in body.

until needed.  Liver,Body uses what it needs

pancreas, kidneyseach day and flushes the rest.

Minerals-4 main ones, but there are many more.

Calcium, Phosphorus, Potassium, Iodine

Also: Iron, Chlorine, Zinc, Sodium, Magnesium- Help body processes function properly.

Calcium- milk and dairy products

Phosphorus- dark leafy green vegetables

Potassium- fish, meat, bananas

Iodine- iodized salt, seaweed

Most foods provide some minerals

Water- most important nutrient

-70% of human body is water

-3-4 weeks w/o food

-3-4 days w/o water

We lose water all the time through respiration

-8 glasses/day suggested- helps in transportation, cooling, body processes.