Flashcards in Vits and minerals Deck (98)
What are the roles of vitamins in the body? (3)
What is a dietary reference intake?
General term for a set of reference values used to plan and assess nutrient intakes of healthy people
What is an RDA (recommended dietary allowance)?
avg daily level intake sufficient to meet needs
What is AI (adequate intake)?
Established when evidence is insufficient to develop an RDA, and set at a level to ensure nutritional adequacy
What is EAR (estimated average requirement)?
Expected to satisfy the needs of 50% of the people in that age group based on scientific literature
How many cups of veggies do you need?
How many ounces of grains do you need?
How many cups of fruit?
How many cups of dairy?
how many oz of protein foods?
What happens to the need for micronutrients as you age?
Which B vitamins have a TUL?
B3 and B6
What is B1?
Which water soluble vitamins can be broken down?
B, not C
What is Vitamin C needed for?
Is vit C a coenzyme?
Is vit C an antioxidant? Oxidant?
Yes to both
What is the effect of Vit C with Fe?
What is the role of thiamin, niacin, riboflavin, pantothenic acid, and biotin?
Degrade CHO and fats in Krebs cycle
Which B vitamins is involved in protein and AA breakdown?
What is folate needed for?
Biosynthesis of DNA
B12 catalyzes which rxn?
Remethylation of homocystiene to methionine
PLP (B6) is used in which rxn?
Amino acid nitrogen transfers
Which AA metabolism requires folic acid?
What vitamin is required for myelin sheath production
What is the role of folate/B12?
One carbon transfer
B12 deficiency leads to what?
Folate deficiency causes what?