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UNCG - NTR 213 - Week 8 Notes - Class Notes

Created by: Jamarian Q Moore Elite Notetaker

UNCG - NTR 213 - Week 8 Notes - Class Notes

School: University of North Carolina - Greensboro
Department: Nutrition and Food Sciences
Course: Introductory Nutrition
Professor: Jared McGuirt
Term: Spring 2019
Tags: #nutrition, #nutrition213, #uncg, #vitamins, and #notes
Name: Week 8 Notes
Description: Chapter 7: vitamins
Uploaded: 03/31/2019
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Join more than 18,000+ college students at University of North Carolina - Greensboro who use StudySoup to get ahead
School: University of North Carolina - Greensboro
Department: Nutrition and Food Sciences
Course: Introductory Nutrition
Professor: Jared McGuirt
Term: Spring 2019
Tags: #nutrition, #nutrition213, #uncg, #vitamins, and #notes
Name: Week 8 Notes
Description: Chapter 7: vitamins
Uploaded: 03/31/2019
3 Pages 22 Views 17 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!

Unformatted text preview: Chp. 7 Notes Vitamins are: organic contain carbon essential in small amoonts ocvential:-needed from the diet Not energy-yielding:-do not provide calories Classified as water-soluble or fat-goloble. *almost all foods contain some vitamins the amount of a vitamin in a food depends on the amount that is naturally present in the food, what added to it, and how the food is processed, prepared, or stored Fortification .adds nutrients to food government mandated and voluntary Varies per country prevents cleficiencies leading to diseases but may also cause toxicity Vitamin loss Ly because they are organic, vitaming can be destroyed &t no longer perform their doties -vitamins can be damaged by exposure to light or oxygen, washed away during preparcetion, or destroyed by cooking vitamins must be handled with cave d nnig storage & cooking Vitamin bioavailability L about 40-9040 of the vitamini in foods are absorbed ngome vitamins are available from food minactive Horms hnown aj precusor or prontamins inni 0000000000000000000000000Bioavailability - the extent to which the body can absorb & ose a notrient! cxFat-soluble vitamins are abso along with dietary fat. If dietary fat consumption is very low the absorption of these vitamins is impaired '-depends on many factors - Conhod of food prep, other foods consumed, source of nutrient, nutritional stato Meeting Vitamin Needs DR13 include RDA'S, A1, and UL Tood labels help identifying sources of vitamins a packaged foods that are good some are required to be listed while others are volontar Vitamins and energy metabolism ocoenzyme- an organic non protein substance that binds to an enzyme to promote its actinty: example when B vitamins, thiamin, riboflavin, niacin, biotin, and Pantothenic acid Intake are lacking cannot proceed. the reactions that produce ATP Thiamin (vitamin B.) functions coenzyme nceded for glucose break- dawn of glucose to pronde energy. needed for metabolism Sogar certain amino acids of other ribose (on RNA) and deoxyribose Pynthesis ofolmportant for nerve function because i 'Slucose is nerve cell energy source needed for synthesis of neuro" transmitters (chemical signals from neurons) Deriberi: weakness, nerve degeneration, Deficiency: confusion (Dry), heart enlargement, fluid accomo lation (wet. Wernicke-horsakoff syndrome mainly seen alcohohcg i mental contusion; PRYShesis, memory disturbances, coma Riboflavin Forchons oforms to achie coenzymes that act as electron carriers fonctioning in reactions needed to produce ATP J carbohydrate, fat, and protein from onverting folate, omvolved in Die and vitamin ka niacin, vitamin their active form 3. injuries heal poorly, cracking of into lips and comers of mouthi sensitinty. Deficiency to light; eye burning, tearing, itching, skin flaking around nose, eyebrows, Sarlobes Niacin coenzyme in glucose metabolism and synthesis of fatty acids and Cholesterol pellagra: fatigue decreased Deficiency appetite, Indigestion, swollen tongue, 4 It's = dermatitis, diarrhea, dementia, capsing: sinflushing death be toxic Siements can tingling in hands / feet; high blood sugar levels niacinir activcal pooni sensi Loinjorainers burning noses

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