Question

Q8. Who discovered Vitamin A? a) Dr. Mc Collum b) Dr. Coubertin c) Dr. J.B.Nash d) Dr. Harvard​

Answer 1

Answer:

Paul Karrer described the chemical structure of vitamin A in 1932. Harry Holmes and Ruth Corbet isolated and crystallized vitamin A in 1937. Methods for the synthesis of vitamin A came with the work of David Adriaan van Dorp and Jozef Ferdinand Arens in 1946 and Otto Isler and colleagues in 1947.

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Answer 2

Answer:

Dr. Mc collum discovered vitamin A