Ch 8: water soluble vitamins Flashcards
what disease is caused by a water-soluble vitamin B
pellagra (niacin deficiency)
T or F: Vitamin B5 doesn’t function as a coenzyme
F. All B vitamins functions as a coenzyme supporting the enzyme energy production/metabolism
disease caused by thiamin deficiency
beriberi (muscle wasting), wernicke-korsakoff syndrome (neurological disturbances)
function of vitamin B3 (niacin) (energy)
Conversion of macronutrients in food into energy (energy metabolism)
pellagra is caused by and characterized by 3 Ds
niacin deficiency
Dermatitis (skin inflammation)
Diarrhea
Dementia (mental decline)
vitamin that supports the metabolism of all 3 macronutrients
Riboflavin (Vitamin B2)
vitamin B6 (Pyridoxine) is a coenzyme for ——- breakdown
glycogen
vitamin B6 (pyridoxine) helps in production of —— (protein) and some neurotrasnmitters
hemoglobin
biotin supports the synthesis of — and —- (we can produce)
fatty acids and glucose
T or F: liver allow the synthesis of fatty acids and glucose
true
Vitamin B6 (pyridoxine) Deficiency
Anemia
Weakness
Functions OF PANTOTHENIC ACID
energy metabolism
T or F: every vitamin B supports energy metabolism
TRUE
functions of folate
Helps in DNA and RNA synthesis
what can folate or folic acid inadequate intake cause
increases risk of neural tube defects
RDA for pregnant woman
600mcg
T or F: Vitamin B12 (Cobalamin) is the only water-soluble viable capable of storing in the liver
True
functions of vitamin B12
methionine synthesis
functions of choline
Forms a neurotransmitter, acetylcholine
(movement)
vitamin C (ascorbic acid) functions
Acts as a coenzyme
Aids in hormone production
Involved in collagen synthesis
!!Enhances iron absorption
!!Is an antioxidant
Bioavailability goes well with what water-soluble vitamin
Vitamin C (iron, calcium D,)
vitamin deficiency can cause
scurvy
