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Casimir Funk (Polish: Kazimierz Funk [kaˈʑimjɛʂ ˈfuŋk]; February 23, 1884 – November 19, 1967) was a Polish biochemist generally credited with being among the first to formulate the concept of vitamins after publishing a landmark medical writing in 1912.
The discovery dates of the vitamins and their sources Year of discovery Vitamin Food source 1913: Vitamin A (Retinol) Cod liver oil: 1910: Vitamin B 1 (Thiamine) Rice bran: 1920: Vitamin C (Ascorbic acid) Citrus, most fresh foods 1920: Vitamin D (Calciferol) Cod liver oil 1920: Vitamin B 2 (Riboflavin) Meat, dairy products, eggs: 1922: Vitamin ...
Elmer Verner McCollum (March 3, 1879 – November 15, 1967) was an American biochemist known for his work on the influence of diet on health. [2] [3] McCollum is also remembered for starting the first rat colony in the United States to be used for nutrition research.
Nikolai Ivanovich Lunin (21 May 1854 – 18 June 1937) [1] was a Russian Empire and later Soviet scientist who was the first to discover the existence of vitamins. As a student in Basel, he fed mice on a diet of proteins, fats, sugar, salts and water, but they died.
Discovery Channel, known as The Discovery Channel from 1985 to 1995, and often referred to as simply Discovery, is an American cable channel that is best known for its ongoing reality television shows and promotion of pseudoscience.
A 1940s lithograph produced by the UK Ministry of Food illustrating the Vitamin C content of various foods. The early years of the 20th century were summarized by Kenneth John Carpenter in his Short History of Nutritional Science as "the vitamin era". [3] The first vitamin was isolated and chemically defined in 1926 .
Szent-Györgyi would later win a Nobel Prize for his part in the discovery, and controversy remains over whether both men deserve equal credit. King later established the important functional role of vitamin B, and throughout his 40-year research career made many significant contributions in the areas of fats, enzymes and vitamins. King ...
Vitamin C (also known as ascorbic acid and ascorbate) is a water-soluble vitamin found in citrus and other fruits, berries and vegetables. It is also a generic prescription medication and in some countries is sold as a non-prescription dietary supplement .