Antioxidant Compounds Overview
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Questions and Answers

Match the following antioxidants with their mechanism of action:

Lycopene = Scavenges free radicals Carnitines = Neutralizes free radicals & act as energy source Zinc = Neutralizes NADPH oxidase & scavenges OH radicals Selenium = Enhances enzyme activity Vitamin C = Neutralizes free radical Vitamin E = Neutralizes free radical Antioxidant = Mechanism

What is the mechanism of action of Lycopene?

Scavenges free radicals

What is the mechanism of action of Carnitines?

Neutralizes free radicals & act as energy source

What is the mechanism of action of Zinc?

<p>Neutralizes NADPH oxidase &amp; scavenges OH radicals</p> Signup and view all the answers

What is the mechanism of action of Selenium?

<p>Enhances enzyme activity</p> Signup and view all the answers

What is the mechanism of action of Vitamin C?

<p>Neutralizes free radical</p> Signup and view all the answers

Flashcards

Antioxidant

A substance that protects cells from damage caused by free radicals.

Free Radicals

Highly reactive molecules that can damage cells and contribute to disease.

How do antioxidants work?

Antioxidants neutralize free radicals by donating an electron, stabilizing them and preventing them from causing damage.

Lycopene

A carotenoid found in tomatoes and other red fruits, known for its antioxidant properties.

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Carnitines

Compounds that play a role in energy production and have antioxidant effects.

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Zinc

A trace mineral that acts as an antioxidant, protecting cells from damage.

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Selenium

A trace mineral that is an important component of antioxidant enzymes.

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Vitamin C

A water-soluble vitamin that acts as an antioxidant, protecting cells from damage by free radicals.

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Vitamin E

A fat-soluble vitamin that acts as an antioxidant, protecting cells from damage caused by free radicals.

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Study Notes

Antioxidant Compounds

  • Lycopene, carotenoids, zinc, selenium, vitamins C & E are antioxidants
  • They neutralize free radicals
  • Zinc, selenium and Vitamins C&E enhance enzyme activity
  • They neutralize NADPH oxidase and scavenge hydroxyl radicals
  • They scavenge free radicals, acting as an energy source.

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Description

Explore the essential role of antioxidant compounds like lycopene, carotenoids, zinc, and vitamins C & E in neutralizing free radicals. Understand how these substances enhance enzyme activity and act as energy sources to combat oxidative stress in the body. This quiz provides insights into the significance of antioxidants in health and nutrition.

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