Water Soluable Vitamins Flashcards
Minerals are what type of nutrient?
inorganic
Vitamins are what type of compounds that are required in the diet form normal function but cannot be _________.
organic; synthesized
True/False: Large quantities of vitamins and minerals are needed to generate metabolic energy.
FALSE!!! Small quantities are required. They are NOT used to generate metabolic energy.
Vitamins serve primarily as ______ of coenzymes and minerals serve primarily as ______ of enzymes.
precursors; cofactors
True/False: No single food is a rich source of all vitamins and minerals.
True
True/False: Some vitamins are supplied by intestinal bacteria
True
What are the two types of vitamins?
Fat-soluable and water-soluable
What are the 8 water soluble vitamins?
thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), folate (B9), Vitamin C
What are the 4 fat soluble vitamins? What do they require for absorption?
Vitamin A, D, E, K; bile
What 2 categories do minerals fall under?
macrominerals and microminerals
What are 6 reasons for vitamin deficiency?
- ) inadequate dietary intake
- ) inadequate absorption
- ) inadequate use
- ) increased requirements
- ) increased excretion
- ) loss of microbial synthesis
What vitamin is required for carbonyl transfers?
Thiamine (B1)
What is the active form for thiamine?
Thiamine pyrophosphate
Liver stores can be depleted of thiamine within what length of time?
2 weeks
For what enzymes are thiamin a precursor?
- pyruvate dehydrogenase
- a-keto glutarate dehydrogenase
- BCAA dehydrogenase
- transketolase