An antioxidant, a substance that protects cells against oxidation damage which, it is thought, can lead to cancer. Beta carotene is converted, as needed, to 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 caro [..]

Carotene is an unsaturated hydrocarbon pigment found in many plants. Carotene is the basic building block of vitamin A.

Orange pigment found in leafy plants (e.g., alfalfa), yellow corn, and other feeds that can be broken down to form two molecules of vitamin A.

hydrocarbon found in carrots and other plants, 1861, from German carotin, coined 1831 by German chemist H.W.F. Wackenroder (1789-1854) from Latin carota "carrot" (see carrot) + German form o [..]

A polyunsaturated hydrocarbon

A orange-yellow pigment located in the chloroplasts.

A fat-soluble pigment, ranging in color from yellow to orange, found in many Jamaican fruits and Jamaican vegetables (carrots, for one). It converts to vitamin A in the liver and is essential for normal human growth and eyesight. T

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

The fat-soluble pigment in carrots, tomatoes and other vegetables, egg yolks, milk fat and other substances that can be converted in the body to vitamin A.

A carotenoid that is a precursor of Vitamin A. It is administered to reduce the severity of photosensitivity reactions in Patients with Erythropoietic Protoporphyria (Porphyria, Erythropoietic). (From [..]

A carotenoid produced in most carotenogenic organisms. It is one of several sequentially synthesized molecules that are precursors to beta Carotene.

A orange-yellow pigment located in the chloroplasts.

is a substance found in some food, which is converted to vitamin A in the body.  There are three types: alpha, beta and gamma carotene.  Beta carotene has the greatest level of vitamin A activity.  Th [..]

(organic chemistry) A class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds. (orga [..]