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bioavailiability
How well a nutrient can be absorbed and used by the body
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most vitamins are found in...
- Fruits and vegetables
- especially in fresh fruits and vegetables because water soluble vitamins are easily destroyed.
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function of vitamin B1 Thiamin
Coenzyme in energy metabolism actions
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facts about vitamin B-1 thiamin
- first B vitamin to be discovered
- defficiancy is known as beri beri
- water soluble
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A deficiency of Thiamin in alcoholics is called
Wernicke-Korsakoff
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Sources of thiamin
- Whole grain, fortified, or enriched grain products
- Lean pork
- Moderate amounts in all nutritious food
- easily destroyed by heat
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a deficiency of Riboflavin is called
Ariboflavinosis, and is rarely seen alone
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cheilosis
Constant cracking at the corners of the mouth, red swollen tongue symptom of vitamin deficiency
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sources for Riboflaven
Milk and Meat
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vame for viatmin B3
Niacin
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Niacin can be synthesized from
the essential amino acid tryptophan making tryptophan a precursor
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Who discovered vitamin B3 Niacin
Dr. Joseph Goldberger from Mississippi
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What is pellagra
- caused by a nutrient deficiency
- discovered by Dr. Goldberger
- continued to be a problem until the 1940s when they put niacin in fortified grains
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Sources of Niacin
- While grain fortified enriched cereals and grain products,
- or you can get tryptophan from protein foods such as milk eggs meat fish etc.
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what foods can Biotin be found in
Organ meats, egg yolks, soybeans, fish, whole grains,
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Deficiency of biotin can result in
Hair loss
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aviden
Protein found in raw eggs that can bind with biotin and make it unable to be absorbed by the body, When cooked it is denatured.
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function of Pantothenic Acid
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what is vitamin B6
Pyridoxine
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function of Pyridoxine
- Part of coenzymes used in amino acid and fatty acid metabolism
- Helps to convert tryptophan to niacin
- Helps make red blood cells
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facts about pyridoxin
Needed more in pregnancy and with the use of hormonal contraceptives body will meabolize it quicker
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Pyridoxin or vitamin b6 deficiency
- Anemia irregularly shaped red blood cells that do not function as well
- depression, confusion, abnormal brainwave pattern, convulsions,
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what foods are b6 or pyridoxin found in
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folate function
- Part of coenzymes used in DNA synthesis and therefore important in new cell formation
- can prefent spina bifida
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RDA for Folate
Adults: 400 micrograms a day
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vitamin b12 is known as
cobalamin
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folate and b12
go hand in hand and help eachother become active within the body.
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Sources of Folate
Leafy green vegetables, legumes, seeds, fortified grains
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Functions of cobalamin or b12
- Helps maintain verve cells
- Reforms folate coenzyme
- Breaks down some fatty acids and amino acids
- New cell synthesis
- Activates folate
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Defficiency of cobalamin or b12
Pernicious anemia
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facts about b12
- has to have help in order to be absorbed
- HCL ACID
- Intrinsic factor
- Hard to tell if people have b12 deffinciacy because of so many helpers that go into play with it.
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Sources of b12
Only found in animal foods
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name for Vitamin c
Ascorbic acid
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Function of vitamin C
- Collagen sythesis
- antioxidant
- strengthens resistance to infection
- WILL NOT CURE A COLD
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Defficiancy in Vitamin C
scurvy
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symptoms of scurvy
- Bleeding gums and losse teethÂ
- Hemorrahages
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Facts about Vitamin C
It is easily destroyed by light or cooking, raw sources of vitamin c is the best ways to maintain it.
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