Lecture 3 Notes Flashcards
Vitamins are…
…noncaloric essential nutrients necessary for many metabolic tasks and the prevention of associated deficiency diseases.
Most deficiencies are associated with
- Malabsorption
- Alcoholism
- Medications
- Hemodialysis
- Total Parenteral Nutrition
- Food Faddism
- Inborn error of metabolism
Fat soluable:
Vitamins: A, D, E, K
Easier to be absorbed. Deposited in adipose tissue and liver
Water soluable:
Vitamins: B,C
Not stored, must be eaten on a regular basis
PPN
Superficial
TPN
Deep Vein
Entero
PO
Parenteral
IV, SC, IM
Dietary Reference Intake
Sodium: 2000
Cholesterol: 300
Fiber: 25
How many vitamins?
14
Vitamin A
retinol, retinoic acid, Isotretinoin, keratin
Acne
Comedon, excess of testosterone
Deficiency of Vitamin A
Xerophthalmia (dry eye)
Xerostomia (dry skin)
Vitamin A food source
Carrots
Vitamin D
Cholecalciferol
- made by cholesterol
Deficiency of Vitamin D
Decrease bone growth
*Rickets (children)
*Osteomalacia (adults)
Vitamin E
Tocopherol
- Antioxidant
Vitamin E deficiency
Hemolytic anemia
If you have surgery:
Stop Vitamin E 1 week before surgery
Vitamin K
Blood clotting
food source: green leafy veggies (kale and spinach)
Vitamin K deficiency
Ecchymosis (bruising)
Vitamin C
Ascorbic Acid
*Collagen
Vitamin C deficiency
Scurvy