NUTRITION
SPORTS NUTRITION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Theo Haimann
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Elmer MacCollum
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O’Donnell
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None of these
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Detailed explanation-1: -Harry Holmes and Ruth Corbet isolated and crystallized vitamin A in 1937.
Detailed explanation-2: -Dr. McCollum was the first scientist to use a rat colony for nutrition research, a methodological innovation instrumental in his discovery of vitamins A and D. A strain of rats continues to bear his name.
Detailed explanation-3: -Elmer McCollum discovered Vitamin A. Explanation: The first scientist who discovered vitamin A was Dr. Elmer McCullem. Elmer McCollum was an American biochemist who discovered both Vitamin A and Vitamin B.
Detailed explanation-4: -The earliest clues to be discovered that led to the identification of Vitamin A and its deficiency date back as far as 1819, when a physiologist called Magendie found that malnourished dogs tended to develop corneal ulcers and their risk of death was increased.