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Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Chemistry 1937
Norman Haworth, Paul Karrer

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Paul Karrer - Facts

Paul Karrer

Paul Karrer

Born: 21 April 1889, Moscow, Russia

Died: 18 June 1971, Zurich, Switzerland

Affiliation at the time of the award: University of Zurich, Zurich, Switzerland

Prize motivation: "for his investigations on carotenoids, flavins and vitamins A and B2"

Field: natural products chemistry, organic chemistry

Prize share: 1/2

Work

In addition to carbohydrates, proteins, and fats, our bodies need water, salts, and substances known as vitamins to grow and function properly. In 1931 Paul Karrer succeeded in extracting vitamin A from cod-liver oil and in determining its composition. Vitamin A is necessary for the body to grow, and one of its components is carotene, which is found in carrots and elsewhere. This was the first vitamin to undergo a mapping of its structure. In 1933 Karrer also determined the structure of vitamin B2, which made it possible to produce the vitamin by artificial means.

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