Oxidative stress and antioxidants Flashcards
1
Q
What is oxidation
A
loss of electrons
2
Q
What is a free radical
A
atoms which have one less electron than they should, which means they try to steal electrons off other atoms
3
Q
What does vitamin E do
A
Stops the chain reaction of a free radical by changing the nature of it
4
Q
What are antioxidants
A
Substances with a free electron which are able to neutralize reactive molecules
5
Q
What does vitamin C do
A
collagen formation
6
Q
What does vitamin A do
A
helps with vision, cell-differentiation and bone growth
7
Q
Name the purpose of antioxidants
A
Decrease inflammation, improve immune system and decrease blood coagulation by donating electrons
8
Q
What is the effect of exercise on free radicals
A
Increased metabolism and therefore increased FR
