2. what is meant by Antioxidant ?
Antioxidants protect the body from damage caused by harmful molecules called free radical
.
Or is a molecule that inhibits the oxidation of other molecule
6. Several way of antioxidant to work
• They reduced the
energy of the free
radical
Step 1
• They give up some of their
electron for it.s use
thereby causing the radical
more stable
Step 2
10. Important notes
Glutathione (The master antioxidant)
the oxidased form of GSH is called GSSG
Hydrogen peroxide: is one of a family of reactive oxygen species (ROS) that are
formed from the partial reduction of molecular oxygen
11. Free radical causes oxidative Stress
Oxidative stress reflects an imbalance between the systemic manifestation of reactive
oxygen species and a biological system's ability to readily detoxify the reactive
intermediates