Selenium is essential for the:: (A) Glutathione peroxidase, (B) Glutathione reductase, (C) Glutathione synthetase, (D) Glutathione hydroxylase
Answer is A. Ans. A. Glutathione peroxidasea. Glutathione peroxidase is a selenium containing enzyme which acts in synergism with vitamin E to protect against hydroperoxide free radical damage.b. First line of defense against hydroperoxide free radical damage is vitamin E (tocopherol) while the second line of defense is a selenium containing enzyme glutathione peroxidase.