Question

1.) who discovered vitamin "a" and "b"?​

Answer 1

Answer:

Discovering Vitamin A, Vitamin B and Vitamin D Discovering the influence of diet on health With Cornelia Kennedy, devising the vitamin naming system Discovered the importance of trace metals in diet

Answer 2

Explanation:

Vitamin A In 1931, the Swiss chemist Paul Karrer (1889–1971) (fig. 6) described the chemical structure of vitamin A [29]. His achievement was recognized with a Nobel Prize in Chemistry in 1937. Harry Holmes (1879–1958) and Ruth Corbet crystallized vitamin A in 1937 at Oberlin College

Vitamin B This was achieved within two years. Vitamin B6 (pyridoxine) was discovered in 1934 by György and colleagues, and the active compound was first isolated by Samuel Lepovsky of the University of California, Berkeley, in 1938.