Flashcards in BPK Chapter 7 Deck (129)
What are vitamins made up of?
Organic compounds that contain fat soluble and water soluble
What amounts of vitamins are required to regulate body processes?
Small amounts of vitamin
What are two functions of vitamins in general?
Regulate body processes and prevent symptoms of deficiency.
What are 6 kind of vitamins in grain products?
What are 8 vitamins in vegetables and fruits?
What are one type of vitamins in oil?
What are 4 kind of vitamins in milk and alternatives?
What are 11 kind of vitamins in meat and alternatives?
What are vitamins susceptible to destruction to? 3 things
Heat, UV light and oxidation
Why are vitamins susceptible to destruction?
Because they are organic
What are 4 ways to prevent vitamin destruction?
- Refrigeration of fruits and vegetables
- Storing cut vegetables, fruits and juice in airtight containers to reduce oxidation
- Wash fruits and vegetables before cutting
- Steam vegetables in small amounts of water, avoid overcooking
What are two examples of water soluble vitamins?
Vitamins B and vitamin C
In absorption, how are water soluble vitamins absorbed?
Directly into blood
Do water soluble require a transport?
How are water soluble vitamins stored?
Free in aqueous compartments
How are water soluble excreted?
Readily via kidneys
How can you reach the toxicity level of water soluble vitamins?
By high consumption of water soluble vitamins supplements
How often are water soluble required?
Frequently (every 1 - 3 days)
What are 4 examples of fat soluble vitamins?
Vitamin A, D, E and K
How are fat soluble vitamins absorbed?
With lipids into the lymph system
Do fat soluble vitamins require a transport?
Yes they require a protein carriers.
How are fat soluble stored?
In cells associated with fat
How often are fat soluble excreted?
How likely are you to reach the toxicity level of fat soluble vitamins?
How often are fat soluble vitamins required?
Periodically (weeks to months)
What are two functions of vitamin B?
- To act as a coenzymes by binding to enzymes to promote their activities
- Carry electrons, atoms, chemical groups.
What are 4 steps of vitamin B?
1. Vitamin B combines with a chemical group to form the functional coenzyme (active vitamin)
2. The functional coenzyme combines with the incomplete enzyme to form the active enzyme
3. The active enzyme binds to one or more molecules and accelerates the chemical reaction to form one or more new molecules
4. The new molecules are released, and the enzyme and coenzyme(vitamin) can be reused or separated
What is another name for B1?
What are 4 things thiamin found in?
Enriched grains, pork, seeds and nuts