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53 Cards in this Set

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Name the componets of vitamins
1-Tasteless organic compounds needed in small amounts
2-Needed for growth reproduction and overall good health
3-Deficiency of any vit will lead to physiological symptoms
4-Too much or too little of a vitamin can be damaging to the body
How many vitamins can be obtained for food?
13 vitamins can be obtained from food
Vitamins are...
Either fat soluble or water soluble
Water soluble vitamins...?
1-Absorbed with water
2-Excreted, imported to get vitamins daily
Fat-soluble vitamins...?
1-Vitamins A, D, E and K
2-Absorbed in the duodenum or sm intestine
3-Stored in the body
Vitamin properties
1-Can be destroyed by air, water or heat
2-Air exposure cut produce close to serving time to preserve vitamins
3-Less water &reduce cooking time to prevent vitamin loss
4-Keep food cool - cooler temps preserve vitamins
What vitamins are absorbed directly into the bloodsystem?
Vitamins B and C
Properties of vitamin A
A family of substances called Retinoids
1-Preformed vitamin A found only in anumal foods (liver & eggs)
2-Plant food contaim provitamin A carotenoids
3-Essential for healthy eyes
4-Involved in cell differentition, reproduction & immunity
What vitamin is healthy for your eyes?
Vitamin A
What type of food can vitamin a be found?
Dark leafy green and orange veggies
What are the daily need and sources for vitamin A?
1-Consume 5 servings of fruits & veggies
2-Preformed vit A are organ meats (liver), milk, cereals, cheese & eggs
3-Provitamin A carotenoids (beta-carotene) sources are carrots, spinach & sweet potatoes
Vitamin A too much or too little properties
1-Stored in body; can become toxic
2-Supplements are usually the cause of toxicity
3-Hyper vitaminosis A is a serious condition, liver accumulates toxic levels
What are some damages with vitamin A (too much or too little)
1-High levels during pregnancy cause birth defects
2-May lead to osteoporsis
3-Carotenodermia results from excessive Carotenoid intake-is reversible
4-Night blindness caused by chronic vitaminsa deficiency
5-Long-term deficiency can lead to Xerophthalmia (#1 cause of preventalbe blindness in children)
Vitamin E
1-Active form in body is alpha-tocopherol
2-Supplements is half as active as natural form
3-Functions as an antioxidant, protects cell membranes, prevents oxidation of LDL
4-Neutralizes free radicals
5-An anticoagulant
6-Decreases ability of blood components to adhere to blood vessels
What is vitamins E functions?
functions ar an antioxidant, protects cell membranes prevents oxidation of LDL
Food sources & limits of vitamin E
1-Found in nuts, seeds, veggie oil, leafy green veggies & fortified cereals
2-Not known risk of too much vit E consumed from natural food sources; problems occur with supplementation
3-Excess vit E could increase risk of hemorrage
Vitamin D
1-Known as "sunshine vitamin"
2-Gotten with help from UV sun rays
3-Helps bone health by regulating calcium & phosphorus
4-Absorbtion of CA & Ph is stimualted by vit D in intestinal tract, keeping healthy range in blood
5-May prevent diabetes & some cancers
What vitamin is known as the "sunshine" vitamin?
Vitamin D
What vitamin helps in bone health by regulating calcium & phosphorus?
Vitamin D
What vitamin helps keep healthy range in the blood?
Vitamin D
Daily needs and food sources for Vitamin D
1-Persons with higher melanin skin pigment need longer sun exposure
2-Sunscreens block ability to synthesize vitamin D
3-Fortified milk, cereals, yogurt & fish are good sources
4-Hypervitaminosis D can lead to loss of appetite, nausea, vomiting and constipation
What are good food sources for vitamin D?
fortifed milk, cereals, yogurt & fish
Vitamin D deficiency disorders
1-Ricketts in children rising
2-Osteomalacia, adult version fo ricketts leading to osteoporosis
Thiamin B1
1-First vitamin discovered
2-Needed for nerve function & energy metabolism
What vitamin was the first vitamin discovered?
Thiamin B1
What vitamin is needed for nerve function?
Thiamin B1
What vitamin helps with energy metabolism?
Thiamin B1
What vitamin is needed for CHO, amino acid metabolism & alcohol breakdown?
Thiamin B1
Where is Thiamin B1 found?
Thiamin B1 is found in enriched and whole grains (breads, cereals, pasta, rice)
What is the most form of enriched food of Thiamin B1
Pork is the most rich source of Thiamin B1
What is the deficiency of Thiamin B1
Beriberi is the deficiency disease in humans
What vitamin is light sensitive & rich in milk
Riboflavin B2
What does food with Riboflavin need to be in?
Opaque or cardboard containers to prevents destrction by sunlight to Riboflavin B2
What vitamin is important for enery metabolism?
Riboflavin B2
How does enery metabolism work in Riboflavin B2?
1-CHO, proteins and fats turn energy for body use
2-Other B vitamins are enhanced
3-Food sources are milk and yogurt
4-Excess Riboflavin is excreted
5-Insuffcient leads to problems in mouth, tongue, throats and lips
What are the food sources for vitamin Riboflavin B2?
Milk and yogurt
What are the problems with insufficient Riboflavin B2?
Insufficient Riboflavin B2 leads to problems in the mouth, tongue, throat and lips
What happens when your body has excess Riboflavin?
Excess Riboflavin is excreted
Niacin B3 and B6
1-Generic term for Nicotinic acid & Nicotinamide active forms from foods
2-Needed to use enery from foods
3-Helps to make fat & cholesterol
4-Needed to keep skin cells healthy & digestive system working properly
5-LDL may be lowered by Niacin, HDL may be raised
6-Trmt of high cholesterol, must be medically monitored
Food sources and deficiency for Niacin B3 and B6
1-Meats, fish, poultry & enriched grains
2-Overconsumption by supplementation or fortified foods lead to flushing of face, arms & chest
3-Deficiency leads to Pellegra with symptoms of dermatitis, dementia, diarrhea and possibly death
4-Pellegra not longer common in US due to fortifying cereals grains
What is the result of a Niacin deficiency?
Pellegra with symptoms of dermatits, dementia, diarrhea and possibly death
What are the functions of Vitamin B6
1-Collective name for compounds, as Pyridoxine, found in plant foods, used in supplements & fortified foods
2-Is an active Coenzyme in protein metabolism
3-Needed to create nonessential amino acids & convert tryptophan to niacin
4-Helps with fat & CHO metabolism, glycogen breakdown
More functions of Vitamin B6
1-Helps make hemoglobin
2-Immune & nervous system rely upon vitamin B6
3-Heart disease diminished
What vitamin helps make himoglobin?
Vitamin B6
What are the effects of too much or too little for Vitamin B6?
1-UL set to prevent potenial nerve damage; likely occurs with supplementation
2-Remedy for carpel tunnel syndrome & PMS
3-Deficiency manifests through sore tongue, skin inflammation, confusion & possible anemia
4-Alcoholsim causes loss of vitamin
Functions for Folate
1-Naturally occurs in foods; synthetic form known as folic acid (added)
2-Vital for DNA synthesis
3-Crate & maintain new cells
4-Maintains healthy blood cells
5-Prevents birth defects
6-Prevents neural tube defects by 50-70%
7-Reduces risk of some Cancers
8-Known to reduce colon cancer
Food sources for Folate
enriched grains (pasta, rice, breads, cereals) legumes (dried peas & beans) and green veggies
What form of folate is more easily absorbed?
Synthetic form is more easily absorbed than folate
What are the risks of excessive naturally occuring folate?
There are no risks for excessive naturally occuring folate intake
What are the risks of excessive intake of supplements of folate?
May cause magaloblasts (abnormally large & immature RBCs develop into macrocytes)
Vitamin B12 functions
1-Known as Cobalamin, containing cobalt
2-Only water soluble vitamin stored in body
3-Vital for health nerves & RBC
4-Needs intrinsic factor for absorption
What is the only vitamin that is water-soluble stored in the body (liver)
Vitamin B12
Food sources for Vitamin B12
Animal foods are sole source for naturally occuring vitamin