- Carotenoids are naturally occurring pigments found in plants, algae, and some bacteria. They give fruits and vegetables their red, orange, and yellow colors and serve as powerful antioxidants. Some carotenoids, like beta-carotene, can be converted into vitamin A.
Contents
Uses
Food Production
- Used as natural colorants in foods and beverages.
- Added to animal feed to enhance egg yolk, salmon, and poultry color.
- Acts as antioxidants in food preservation.
Pharmaceuticals
- Used in vitamin A supplements (e.g., beta-carotene).
- Studied for their role in eye health (reducing the risk of macular degeneration).
Cosmetics
- Incorporated into skincare products for UV protection and anti-aging benefits.
- Used in self-tanning lotions for a natural skin glow.
Key Facts
- Over 600 types of carotenoids exist.
- Lutein and zeaxanthin are crucial for eye health.
- Lycopene (found in tomatoes) may reduce the risk of heart disease.
- Carotenoids work as antioxidants, protecting cells from oxidative stress.
Health Benefits and Safety
Potential Health Benefits
- Supports Vision – Reduces the risk of macular degeneration and cataracts.
- Boosts Immunity – Helps the body fight infections.
- Protects Against Oxidative Stress – May lower the risk of heart disease and certain cancers.
- Enhances Skin Health – Protects against UV damage and improves skin elasticity.
Possible Side Effects
- Excessive beta-carotene intake may cause carotenemia (orange skin tint).
- High doses of synthetic beta-carotene supplements may increase lung cancer risk in smokers.