Show F FREAKS REA K Sand and 0 ODDITIES D D I TIE S IN SCIENCE NEWS NEWS- Vitamin A the food factor that thai promotes growth and prevents infections Is produced when ultraviolet light of a particular wave-length wave acts on carotene the yellow pigment found in carrots yellow corn butter yolk egg egg egg- olk and md other plant and animal substances Production of vitamin A from the yellow pigment pigment pigment pig pig- ment carotene by action of ultraviolet light is another step to understanding the essential food lood elements that a few years ago were totally un un- un known |