Effect of prolonged feeding of raw carrots on vitamin A content of liver and kidneys in the dog.

摘要: SummaryThe vitamin A content of the liver and kidneys dogs fed fresh carrots is greater than that found in on a meat boiled rice diet. The level concentration approximately 20 animal units. Continued feeding or addition cod oil apparently does not increase above this level. spectroscopic examination indicates carotene from was transformed to A.The function nutrition has been established.1-4 advisability large amounts raw over prolonged period time still questioned. Carotinemia observed dog,5 man.6 Investigations Moore,2 Capper,7 Drummond8 have shown conversion takes place livers A-free rats fowls. Olcott McCann9 later confirmed these observations further concluded change may take vitro if incubated with li...