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53 Cards in this Set
- Front
- Back
Name the componets of vitamins
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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 |
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How many vitamins can be obtained for food?
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13 vitamins can be obtained from food
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Vitamins are...
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Either fat soluble or water soluble
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Water soluble vitamins...?
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1-Absorbed with water
2-Excreted, imported to get vitamins daily |
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Fat-soluble vitamins...?
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1-Vitamins A, D, E and K
2-Absorbed in the duodenum or sm intestine 3-Stored in the body |
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Vitamin properties
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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 |
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What vitamins are absorbed directly into the bloodsystem?
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Vitamins B and C
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Properties of vitamin A
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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 |
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What vitamin is healthy for your eyes?
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Vitamin A
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What type of food can vitamin a be found?
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Dark leafy green and orange veggies
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What are the daily need and sources for vitamin A?
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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 |
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Vitamin A too much or too little properties
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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 |
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What are some damages with vitamin A (too much or too little)
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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) |
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Vitamin E
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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 |
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What is vitamins E functions?
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functions ar an antioxidant, protects cell membranes prevents oxidation of LDL
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Food sources & limits of vitamin E
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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 |
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Vitamin D
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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 |
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What vitamin is known as the "sunshine" vitamin?
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Vitamin D
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What vitamin helps in bone health by regulating calcium & phosphorus?
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Vitamin D
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What vitamin helps keep healthy range in the blood?
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Vitamin D
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Daily needs and food sources for Vitamin D
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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 |
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What are good food sources for vitamin D?
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fortifed milk, cereals, yogurt & fish
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Vitamin D deficiency disorders
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1-Ricketts in children rising
2-Osteomalacia, adult version fo ricketts leading to osteoporosis |
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Thiamin B1
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1-First vitamin discovered
2-Needed for nerve function & energy metabolism |
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What vitamin was the first vitamin discovered?
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Thiamin B1
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What vitamin is needed for nerve function?
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Thiamin B1
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What vitamin helps with energy metabolism?
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Thiamin B1
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What vitamin is needed for CHO, amino acid metabolism & alcohol breakdown?
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Thiamin B1
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Where is Thiamin B1 found?
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Thiamin B1 is found in enriched and whole grains (breads, cereals, pasta, rice)
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What is the most form of enriched food of Thiamin B1
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Pork is the most rich source of Thiamin B1
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What is the deficiency of Thiamin B1
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Beriberi is the deficiency disease in humans
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What vitamin is light sensitive & rich in milk
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Riboflavin B2
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What does food with Riboflavin need to be in?
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Opaque or cardboard containers to prevents destrction by sunlight to Riboflavin B2
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What vitamin is important for enery metabolism?
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Riboflavin B2
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How does enery metabolism work in Riboflavin B2?
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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 |
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What are the food sources for vitamin Riboflavin B2?
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Milk and yogurt
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What are the problems with insufficient Riboflavin B2?
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Insufficient Riboflavin B2 leads to problems in the mouth, tongue, throat and lips
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What happens when your body has excess Riboflavin?
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Excess Riboflavin is excreted
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Niacin B3 and B6
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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 |
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Food sources and deficiency for Niacin B3 and B6
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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 |
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What is the result of a Niacin deficiency?
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Pellegra with symptoms of dermatits, dementia, diarrhea and possibly death
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What are the functions of Vitamin B6
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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 |
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More functions of Vitamin B6
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1-Helps make hemoglobin
2-Immune & nervous system rely upon vitamin B6 3-Heart disease diminished |
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What vitamin helps make himoglobin?
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Vitamin B6
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What are the effects of too much or too little for Vitamin B6?
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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 |
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Functions for Folate
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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 |
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Food sources for Folate
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enriched grains (pasta, rice, breads, cereals) legumes (dried peas & beans) and green veggies
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What form of folate is more easily absorbed?
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Synthetic form is more easily absorbed than folate
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What are the risks of excessive naturally occuring folate?
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There are no risks for excessive naturally occuring folate intake
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What are the risks of excessive intake of supplements of folate?
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May cause magaloblasts (abnormally large & immature RBCs develop into macrocytes)
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Vitamin B12 functions
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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 |
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What is the only vitamin that is water-soluble stored in the body (liver)
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Vitamin B12
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Food sources for Vitamin B12
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Animal foods are sole source for naturally occuring vitamin
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