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Nutrition et cancer

Lycopene and Cancer

Lycopene is a tomato carotenoid with documented anticancer potential.

Definition

A carotenoid pigment found primarily in tomato products that demonstrates antioxidant and anti-inflammatory properties with potential protective effects against certain cancers.

How it works

Lycopene is the red pigment responsible for tomato color and is a potent carotenoid antioxidant. Multiple epidemiological studies suggest regular lycopene consumption is associated with reduced risk of prostate, lung, and stomach cancers. It works by neutralizing free radicals, inhibiting inflammatory pathways, and regulating genes involved in cell growth and apoptosis. Lycopene bioavailability increases when tomatoes are cooked with fat, making processed tomato products like sauce and paste highly beneficial.

Role

Lycopene protects cells from oxidative damage and modulates anti-cancer immune responses.

Examples

  • Tomatoes
  • Tomato sauce
  • Tomato paste
  • Watermelon
  • Pink grapefruit
  • Papaya
  • Guava

Recommendations

Consume tomato products regularly, preferably cooked with olive oil to enhance lycopene absorption. Include both fresh tomatoes and processed forms like sauce or paste in your diet. Aim for 1-2 servings daily as part of varied produce consumption.

Key takeaway

Regular consumption of tomato products may reduce specific cancer risks through lycopene's protective mechanisms.

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