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1VCOM Nutr. Micronut

Micronutrients from online modules

Fat soluble vitamins The fat-soluble vitamins are A, D, E, and K.
Micelles relation to fat-soluble vitamins Fat-soluble vitamins are absorbed with micelles.
Which vitamin is not stored extensively in body? Vit. K
Vitamin A is needed for? Vitamin A is needed for vision, immune function, and growth
Vitamin A is consumed as what form? in the diet as retinol or pro-vitamin A carotenoids.
Vitamin D is needed for? Vitamin D is needed for growth regulation, calcium absorption, bone health, and immune function
what does vitamin D come from It is consumed with fish or fortified foods, and produced in sun-exposed skin.
What is Vitamin E? Vitamin E is an antioxidant
Where does vitamin E come from? consumed with fatty foods, mainly those containing seed oils, or supplements.
Vitamin K is needed for what? Vitamin K is needed for bone and vascular health.
Vitamin K comes from what? It is consumed mainly with cooked dark-green vegetables.
Name the water soluble vitamins Thiamin, riboflavin, niacin, vitamin B6, pantothenate, biotin, Vit B6, B12, folate, Pyridoxal-5-phosphate
What are B vitamins critical for? Many of the B vitamins are critical cofactors for normal fuel metabolism.
What vitamins are essential fro normal fuel metabolism? Thiamin, riboflavin, niacin, vitamin B6, pantothenate, and biotin are essential for normal fuel metabolism.
What are Vitamin Cs roles in the body? Vitamin C is both an antioxidant and an enzyme cofactor; it regenerates vitamin E.
what does Folate do in the body? Folate is involved in DNA synthesis and one-carbon transfers (amino acid metabolism and choline, serotonin, and epinephrine synthesis).
What does vitamin B6 do in the body? Vitamin B6 is required for transamination of amino acids and glycogen storage.
Pyridoxal-5-phosphate is important for what? Many enzymes- Pyridoxal-5-phosphate is a cofactor for many enzymes.
What is Vit. B12 role in the body? Vitamin B12 is a cofactor for methionine synthase and L-methylmalonyl coA.
Name ten minerals calcium, magnesium, phosphate, iron, copper, zinc, iodine, selenium, molybdenum, chromium
Where are most minerals stored most extensively? And what minerals do these include? Most minerals and trace elements are stored extensively, some in bone (calcium, magnesium, phosphate), and some as part of metalloproteins (iron, copper, zinc, iodine, selenium, molybdenum).
Effects of iron, copper, and selenium excess intake Iron, copper, and selenium are potentially toxic when long-term intakes even moderately exceed needs;
Why must caution be used with supplements Excess can be toxic
What is choline in the body good for? (organ level) Choline is an important nutrient thought to support early brain development and possibly protect against cancer.
What is a precursor for phospholipids and neurotransmitters choline
What is a good source of choline Eggs are a rich source of choline.
When is choline an essential nutrient? Choline becomes an essential nutrient during periods of high demand (during pregnancy and the first year of life).
What are carotenoids? Carotenoids, found in colorful fruits and vegetables, have diverse antioxidant functions
Folate rich foods folate-rich foods (breakfast cereal, dark-green vegetables, legumes, OJ, liver)
Foods with B6 B6 sources (potato, sweet potato, meat, poultry, fish, banana, breakfast cereal, watermelon, corn)
B12 foods Having < 1 serving/d of B12 (beef, pork, poultry, fish, seafood, milk, dairy, eggs)
Vit E foods oils, fats, nuts, seeds
Vit C foods vitamin C (fruits and vegetables
High calcium foods Dairy products, fortified juices provide calcium (3 servings/d)
Vit D foods Milk, fish, eggs provide vitamin D
Phosphates sources and contribution to health Soda, processed foods provide phosphates (these are bad-risky if eat more than 5 servings daily)
People who severely restrict carbs, meats, or total energy may be deficient in what? thiamin or riboflavin deficient.
Omega-6 is what? linoleic, arachidonic acid
Linoleic acid makes up what Arachidonic acid (linoleic->arachidonic)
Omega 3 acid alpha linolenic, EPA, DHA
Precursor of alpha EPA and DHA alpha linolenic->
For folate, B6, Thiamin, Riboflavin deficiency determine if eats less than? 3 servings/day
For B12, Vit C, Carotenoids, less than how many servings? 1
For Calcium, Vitamin D, less than how many servings? 2
Protein alarm threshold More than 1 oz per ten pounds body weight
Created by: VCOM2013