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Definition of Beta-carotene
1. Noun. An isomer of carotene that is found in dark green and dark yellow fruits and vegetables.
Definition of Beta-carotene
1. Noun. A common form of carotene ¹
¹ Source: wiktionary.com
Medical Definition of Beta-carotene
1. An antioxidant which protects cells against oxidation damage that can lead to cancer. Beta carotene is converted, as needed, to vitamin A. A yellow carotenoid pigment that gives a reddish colour to plants such as carrots and tomatoes. It is often used as a vitamin supplement because the liver can convert it into Vitamin A. Food sources of beta-carotene include vegetables such as carrots, sweet potatoes, spinach and other leafy green vegetables; and fruit such as cantaloupes and apricots. Excessive carotene in the diet can temporarily yellow the skin, a condition called carotenaemia, commonly seen in infants fed largely mushed carrots. (12 Dec 1998)