Define antioxidant (Feb. '16) and mention two Examples.

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Antioxidant:**
An antioxidant is a substance that inhibits oxidation, a chemical reaction that can produce free radicals leading to chain reactions that may damage cells. Antioxidants neutralize these free radicals, thereby minimizing cellular damage.

2. **Function of Antioxidants:**
Antioxidants play a crucial role in protecting the body from various diseases, including cardiovascular diseases, cancer, and cataracts. They also help in slowing down the aging process by reducing oxidative stress.

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