Fat Soluble Vitamins Flashcards
‘osteomalacia’ is a deficiency disease of what vitamin?
Vitamin D (cholecalciferol)
Seeds/nuts and plant oils are a good sources of what vitamin?
Vitamin E or more specifically α-tocopherol
What is Active vitamin D called?
Calcitriol
Deficiency causes hemolytic anemia
α-tocopherol or vitamin E
Deficiency causes night blindness
Retinal (Vitamin A)
Toxicity involves skin rash, enlarged liver, increased
risk bone fractures
β-carotene (Vitamin A)
Not found in any food
calcitriol
7-dehydrocholesterol
Found in green leafy veggies, works with Vitamin D for calcium absorption from the GI tract
phylloquinone (Vitamin K1)
Some of our needs met by colonic microbial synthesis
menaquinone (Vitamin K2)
What vitamin will help with Blood clotting?
Vitamin K
Good Source of Carotenoids?
Plants
Good Source for Retinoids?
Animals
Scurvy is a disease cause by what Deficiency?
Vitamin D
Good Source for D2
Sun Dried plants
Good Source for D3
Fish, eggs, liver, milk, margarine
Hard Ca deposits in soft tissues: Kidney, Heart, Lungs, Blood Vessels, and Kidney Stones are symptoms of the toxicity of what vitamin?
Vitamin D
Rickets is a disease in children caused by what deficiency?
Vitamin D
Widening region of bone growth, bend of bones in legs
Rickets
Osteoporosis is caused by the lack of what?
Dietary Calcium
What occurs during the absorption of Vitamin D?
Ergocalciferol –> Absorbed in GI tract by chylomicron –> Vitamin D-D binding protein carries through bloodstream –> Stops at Liver to pick up OH group –> Stops at Kidney for final activation stage of vitamin D (Calcitriol)
What are the functions of Vitamin D?
- Stimulate calcium absorption
- Draw Calcium from bones (short term responce to increase blood Ca levels)
- Reduce Ca loss
How is Vitamin E absorbed?
Absorbed from DI tract with fatty acids –> chylomicron –> Vitamin E Transported + Distributed in body
Specific roles of Vitamin E?
- Free radicals – environment, normal reactions: respiration – part of immune system, produced naturally during LIVER detox
Damage to membranes of body cells is called what?
Hemolytic anemia