Basic Vitamins PowerPoint

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Transcript Basic Vitamins PowerPoint

Basic Vitamins
Water-Soluble
Fat-Soluble
2 Types
Water-Soluble
Water-soluble vitamins are dissolved in
water and transported throughout the
body.
C, B1,B2,Niacin, B6,B12, Folacin
(Sponge (Demonstration)
Fat-Soluble
Fat-soluble are transported throughout the
body by being absorbed and stored in fat.
A,D,E,K
Vitamin Facts
Found in nearly all the foods on the Food
Pyramid.
Do not supply energy as CHOs, fats, and
proteins but works with these so E is
produced.
Are essential because they regulate the
body chemistry and body functions.
Use food by bringing about biochemical
reactions so life can be maintained.
They are not produced by our bodies.
They must be ingested.
Vitamin Facts Cont.
Some believe that if small doses of
vitamins are good for you, more is
better.
Too few keep the body from
operating at full capacity.
Too many may be damaging to your
health.
Vitamin Facts Cont.
Just as too much water in a glass will
spill over, too many vitamins will be
excreted or stored, and any excess
can be toxic.
Folacin
Also known as Folate and Folic Acid
Helps form red blood cells to prevent
anemia
Aids in cell growth and division
Helps with protein metabolism
Vital that women of childbearing age get
energy folic acid (especially in the first
month of pregnancy) to prevent neural
tube defects in the unborn baby.
Folacin
Helps clear the blood of excess
homocysteine, an amino acid that
has been liked with heart attacks, it
may reduce the risk of heart attacks.
Sources: fortified breakfast cereals,
liver, asparagus, spinach, and
legumes
Antioxidants
Possible link to cancer prevention
Substances that may protect cells from
the damage caused by unstable molecules
known as free radicals.
Free radical damage may lead to cancer.
Interact with and stabilize free radicals
and may prevent some of the damage free
radicals might cause.
Antioxidants Cont.
Examples of antioxidants:
Beta-carotene
Lycopene
Vitamins C, E, and A
Abundant in fruits and vegetables,
nuts, grains, some meats, poultry,
and fish.
Functions of Vitamins
Vitamin A
Vital to good vision
Prevents night blindness
Severe deficiency causes blindness
Necessary for healthy skin and hair
growth
Keeps mucous membranes healthy
Keeps nerves healthy
Vitamin A Cont.
Sources
Liver
Oranges
Pears
Yellow fruit
Yellow vegetables
Functions of Vitamins Cont.
Vitamin D
Found in foods and obtained from the sun
Helps bones use calcium to build strong
bones and teeth
Helps the body use Calcium and
Phosphorus
Prevents rickets
Sources
Milk
Sun
Functions of Vitamins Cont.
Vitamin E
Helps breakdown polyunsaturated fats
Antioxidant, protecting blood cell
membranes from overexposure to oxygen
Some believe it plays a role in aging,
sexual performance, or preventions of
cancer and/or heart disease.
Overdoses cause blurred vision, nausea,
dizziness
Vitamin E Cont
Sources
Green leafy vegetables
Fruits
Whole grains
Liver
Apples
Oil
Fats
Functions of Vitamins Cont.
Vitamin K
Essential for clotting of blood
Hemophiliacs lack this
Prevents hemorrhaging
Found in foods and manufactured by
Vitamin K producing bacteria in the
small intestines
Vitamin K Cont
Sources
Dark green vegetables
Cabbage
Cauliflower
Liver
Functions of Vitamins Cont.
Vitamin C –ascorbic acid
Helps form collagen or body cement
Helps in growth and repair of body tissue
and blood vessels
Prevents scurvy
Can be decreased by cigarette smoking,
stressful injuries and oral contraceptives
Excess doses can cause kidney stones and
break down red blood cells
Vitamin C Cont.
Sources
Citrus fruits
Cantaloupe
Strawberries
Pineapple
Functions of Vitamins Cont.
Vitamin B Complex
B1 – Thiamin
Energy metabolism
Nerve function and tissue
Helps the digestive system
Works with protein
Muscle control
Prevents beriberi
Vitamin B1-Thiamine Cont.
Sources
Milk
Whole grains
Poultry
Fish
Dried beans
Vitamins Cont.
B2 – Riboflavin
Involved in use of fat, protein and
CHOs
Prevents premature aging
Promotes growth
Helps digestions
Works with protein
Vitamin B2-Riboflavin Cont.
Sources
Milk
Whole grains
Dark green vegetables
Fish
Eggs
Functions of Vitamins Cont.
Niacin
Energy metabolism
Maintain healthy nervous system
Maintain healthy skin
Prevents pellegra
Helps the digestive system
Niacin Cont
Sources
Milk
Whole grains
Dates
Peaches
Fish
Poultry
Peanuts
Vitamins Cont.
B6 - pyridoxine
Normal immune and nervous system
Prevents poor health
Must be replaced daily
Sources
Meat
Vegetables
bananas
Functions of Vitamins Cont.
B12 – cobalamin
Producing antiobodies
Helps folacin function
Maintenance of nerve tissue
Prevents anemia and damage to the
intestinal tract
Vitamin B-Cobalamin Cont
Sources
Milk
Eggs
Meat
Fruit
Vegetables
Vitamins Cont.
Folacin
Synthesize DNA
Cell division
Prevents birth defects
Sources
Oranges
Dark green vegetables
Whole grains
Meat
Eggs