Exam 2 - Vitamins Flashcards
(25 cards)
Alternative name for
Vitamin A
Retinol
Alternative name for
Pro-vitamin A
Beta carotene
Alternative name for
Vitamin D
Calciferol
Alternative name for
Vitamin E
Tocopherol
Alternative name for
Vitamin K
Phylloquinone
Alternative name for
Vitamin B1
Thiamin
Alternative name for
Vitamin B2
Riboflavin
Alternative name for
Vitamin B3
Niacin
Alternative name for
Vitamin B5
Pantothenic acid
Alternative name for
Vitamin B6
Pyroxidine
Alternative name for
Vitamin B7
Biotin
Alternative name for
Vitamin B9
Folate
Alternative name for
Vitamin B12
Cobalamin
Alternative name for
Vitamin C
Ascorbic acid
Major functions of vitamins
Membrane stabilizer
H+ and e- donor and acceptors (antioxidant)
Hormonal activity
Co-enzymes (almost all B vitamins)
3 clinical deficiencies associated with vitamins
Pellagra
Burning feet syndrome
Keshan’s disease
3 subclinical deficiencies associated with vitamins
Hypertension
Atherosclerosis
Cancer
Metabolism Characteristics of fat soluble vitamins
Absorbed as part of micelles
Absorption enhanced with fat intake
Transported in lipoproteins in lymphatic system
More likely to be toxic (stored in liver and adipose)
Metabolism Characteristics of water soluble vitamins
Transported in portal vein
Most not stored in larger quantities (less likely to be toxic)
Must rely on daily intake to meet requirements
What are the fat soluble vitamins
ADEK
Animal form of vitamin A
Retinoids
General function of retinol
Reproduction and growth
General function of retinal
Vision
General function of retinoids acid
Cell differentiation
