Micronutrients and Health issues Flashcards
What vitamins and minerals do?
They are part of coenzymes and cofactors that help to metabolize macronutrients and to use them
Are micronutrients caloric?
No
In what amounts we need micronutrients
Milligrams or micrograms
Why do we need them?
Because they are not synthesized in our body in sufficient amounts
What happens if micronutrients are withdrawn from the diet?
Deficiency
Bioavailability is
How it is available from the food to our body, what part of nutrients are absorbed
Minerals are organic/inorganic?
inorganic
Do minerals change in our body?
No, we take iron, we excrete iron
Magnesium is important to
Stabilize DNA
Two classes of minerals?
Major and trace minerals
What is the largest mineral present in our body by mass?
Calcium
Vitamins organic/inorganic?
Organic
Do vitamins give calories to our body?
No
Water soluble and fat soluble vitamins
Water: B and C
Fat:A,D,E,K
The difference between water and fat soluble vitamins
Water soluble are transported through the blood, are not stored, travel freely
Fat soluble are transported through the lymph, stored, many require transport proteins