Definition

1. Noun:
   • A yellow, orange, or red fat-soluble pigment: Carotene is an organic pigment found in many plants, algae, and photosynthetic bacteria. It is responsible for the characteristic colors of carrots, pumpkins, and sweet potatoes.
   • A provitamin A compound: Certain types of carotene, most notably beta-carotene, can be converted by the body into vitamin A, which is essential for vision, immune function, and skin health.

Usage Examples

• Noun:
  • Carrots are rich in beta-carotene, which gives them their orange color.
  • The conversion of carotene to vitamin A occurs in the liver.
  • A diet high in carotene from fruits and vegetables is beneficial for health.

Advanced Usage

• "Provitamin A carotene": This term specifies the types of carotene (like alpha-carotene, beta-carotene, and beta-cryptoxanthin) that the body can convert into retinol (vitamin A).
  • Beta-carotene is the most efficient provitamin A carotene.

Variants and Related Words

• Carotenoid (noun): The broader class of pigments to which carotene belongs. Carotenoids include both carotenes (which are hydrocarbons) and xanthophylls (which contain oxygen).
  • Lutein is a carotenoid found in leafy green vegetables.

Synonyms

• Provitamin A: A substance that the body can transform into vitamin A.
• Beta-carotene: The most common and well-known form of provitamin A carotene.

Related Compounds

• Retinol (noun): The form of vitamin A derived from animal products and synthesized from provitamin A carotenoids like carotene.
  • The body converts dietary carotene into retinol.

Noun

1. yellow or orange-red fat-soluble pigments in plants
2. an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver