most important of the provitamins A. Widely distributed in the plant and animal kingdom. In plants it occurs almost always together with chlorophyll. Isolation from carrots .... Deep-purple, hexagonal prisms from benzene + methanol. Red, rhombic, almost square leaflets from petroleum-ether .... Use: yellow coloring agent for foods.

most important of the provitamins A. Widely distributed in the plant and animal kingdom. In plants it occurs almost always together with chlorophyll. Isolation from carrots .... Deep-purple, hexagonal prisms from benzene + methanol. Red, rhombic, almost square leaflets from petroleum-ether .... Use: yellow coloring agent for foods.