beta carotene

noun

Biochemistry.

1. the most abundant of various isomers of carotene, C 40 H 56 , that can be converted by the body to vitamin A.

beta-carotene

1. A phytochemical that is an isomer of carotene found in dark green and yellow fruits and vegetables and that is converted to vitamin A, primarily in the liver.

2. See more at carotene