Provitamin - Study guides, Class notes & Summaries

UNH Nutrition 400 Final Exam (Answered) 8 enzymes of vitamin B Thiamin, Riboflavin, Niacin, Folate, B12, Biotin, Pantothenic Acid, B6 Niacin can be synthesized from? tryptophan Major functions of Folate Formation of DNA, metabolize amino acids, formation of neurotransmitters Synthetic form of folate? folic acid Folate deficiencies can cause? macrocytic anemia and neural tube defects major functions of vitamin B12 formation of blood, folate metabolism, homocysteine metabolism, maintai...

NR 228- Exam 2 Vitamins- -organic molecules needed in very small amounts for cellular metabolism --Perform specific metabolic functions -Essential nutrients to be provided by diet --Vitamin D synthesized by body but still considered vitamin vitamin solubilityAffected by absorption, transportation, and storage in body water solubleB-complex vitamins (thiamin, riboflavin, niacin, pyridoxine, folate, cobalamin, biotin, and pantothenic acid), choline, and vitamin C Minimal storage by body ...

cell membranes require - Vitamin E bones and teeth require - Fluoride nerve cell maintenance require - Vitamin B12 gastric secretions require - Chloride oxygen transport require - Iron good food source for Zinc - Oysters good food source for Vitamin D - Fortified Milk good food source for Vitamin E - Nuts good food source for Calcium - Fortified Milk good food source for Beta-Carotene (provitamin A) - Cantalope symptom or name for defic...

What are the fat soluble vitamins? - ADEK What is the precursor to vitamin A? - carotene Where is vitamin A stored? - the liver Where is vitamin A converted? - intestinal mucosal cells What is the toxic level of vitamin A? - 10,000 What is vitamin A defined as? - a provitamin- nutrient that changes to a vitamin What is vitamin A's function? - skin, vision What are sources of vitamin A? - yellow, orange fruits, dark green leafy vegetables, cantaloupe, fish, liver, carrots, fortified skim...

What is the general function of vitamins and minerals (as compared to macronutrients)? CORRECT ANSWER - Vitamins are involved with biochemical reactions - Although vitamins are involved in regulating energy, they are not a fuel source and do not provide energy Fat-soluble vitamins CORRECT ANSWER - A,D, E & K Water-soluble vitamins CORRECT ANSWER - Vitamin C and B Functions of Vitamin A? CORRECT ANSWER vision, gene regulation, immune function, bone growth, reproduction, cell membrane s...

essential vitamins 13 vitamins that animal cells need but can't synthesize found in both plant and animal sources vitamins produced by the body vitamin K and biotin (gut flora) vitamin D (skin) vitamin A (from beta carotene) niacin (tryptophan) two criteria for vitamins 1. must be consumed in the diet to maintain health. 2. symptoms of deficiency occur in its absence enrichment adding nutrients back that have been lost to processing fortification adding nutrient not naturally present i...

essential vitamins 13 vitamins that animal cells need but can't synthesize found in both plant and animal sources 2. vitamins produced by the body vitamin K and biotin (gut flora) vitamin D (skin) vitamin A (from beta carotene) niacin (tryptophan) 3. two criteria for vitamins 1. must be consumed in the diet to maintain health. 2. symptoms of deficiency occur in its absence 4. enrichment adding nutrients back that have been lost to processing 5. fortification adding nutrient not nat...

Question 1 0/0pts When water is outside of a cell it is part of the e€xtracellular fluid. Answer 1: Correctl Extracellular | orrect Answer extracellular Question 2 0/0 pts ou Answered orrect Answers Plant pigments that play an important role in preventing cardiovascular disease: provitamin A carotenoids Carotenoids carotenoids Be familiar with all outlined aspects of the B and C vitamins, including benefits, effects of deficiencies, and primary food sources cont...

TB07 Questions and answer Graded A Chapter 07: Vitamins Nix: Williams' Basic Nutrition and Diet Therapy, 15th Edition MULTIPLE CHOICE 1. For a compound to be classified as a vitamin, it must a. be synthesized by the body. b. be required in large quantities. c. perform a vital function. d. be water soluble. ANS: C For a compound to be defined as a vitamin, it must be a vital, organic, dietary substance that is not a carbohydrate, fat, protein, or mineral and is necessary in only ver...

fat soluble vitamins - Answer A, D, E, K -insoluble in water, more stable, require bile for digestion, absorbed into lymph, stored in liver & adipose tissue, needed in periodic doses, more likely to be toxic, absorption enhanced by fat water soluble vitamins - Answer C & B complex - absorbed into blood, excreted by the kidneys in urine, need in frequent small doses, less likely to be toxic, less stable to air and light vitamin A - Answer retinol- fully performed - fatty animal s...