Beta-carotene

Definition

Beta-carotene is a red-orange pigment found in plants and fruits, especially carrots and colorful vegetables. It is a precursor to vitamin A (retinol) and has antioxidant properties that support overall health.

5 Must Know Facts For Your Next Test

1. Beta-carotene is converted into vitamin A in the body, which is essential for vision, immune function, and skin health.
2. It is fat-soluble, meaning it requires dietary fats for proper absorption in the digestive system.
3. High doses of beta-carotene supplements can lead to carotenodermia, a condition where the skin turns orange-yellow.
4. Dietary sources of beta-carotene include carrots, sweet potatoes, spinach, and kale.
5. As an antioxidant, beta-carotene helps neutralize free radicals that can damage cells and contribute to chronic diseases.

Review Questions

• What essential vitamin does beta-carotene convert into within the body?
• Why is it important to consume dietary fats when ingesting beta-carotene?
• What are some common food sources of beta-carotene?

Related terms

Vitamin A: A fat-soluble vitamin important for vision, immune function, and skin health.

Antioxidants: Compounds that inhibit oxidation and neutralize free radicals, preventing cell damage.

Carotenodermia: A harmless condition resulting from excessive intake of carotenoids causing yellow-orange skin discoloration.