Sentence examples for ergocalciferol from inspiring English sources

There are two major forms of vitamin D: vitamin D2, found in plants and better known as ergocalciferol (or calciferol), and vitamin D3, found in animal tissues and often referred to as cholecalciferol.

This is true not only for cholecalciferol and ergocalciferol obtained from the diet but also for cholecalciferol that is generated from 7-dehydrocholesterol in the skin during exposure to ultraviolet light.

Ergosterol is converted by ultraviolet irradiation into ergocalciferol, or vitamin D2, a nutritional factor that promotes proper bone development in humans and other mammals.

With the isolation of vitamin D2 (ergocalciferol, the form of vitamin D found in plants and fungi) in 1930 31 in England and Germany and of 7-dehydrocholesterol (the precursor of vitamin D) from hog skin in 1937 in Germany, the fortification of foods with the vitamin became possible.

Certain sterols are transformed to calciferols (D vitamins) by ultraviolet light; this process occurs naturally in the skin and is used commercially in the manufacture of vitamin D2 (ergocalciferol) from ergosterol and of vitamin D3 (cholecalciferol) from synthetic 7-dehydrocholesterol.

Although about 10 compounds have vitamin D activity, the two most important ones are ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3).