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Niacin (vitamin B3)
Though niacin or nicotinic acid has been known to the organic chemists since 1867 and Funk isolated it from yeast and rice polishing in order to identify the anti-beriberi vitamin in 1913, it was finally isolated as nicotinamide from liver by Elvehjem and his co-workers in 1937. This was actually after the discovery by Rum and Smith in 1934 that the crude extract of liver was effective against pellagra (you might know that pellagra is the disease condition caused due to the deficiency of niacin in the body)
The hospital Human Research Ethics Committee granted approval for the study protocol. Participants provided written informed consent. All participants were all over the age of 18 a
what properties identify nonmetals
Flammable Solids : Flammable solids are substances which are flammable or liable to spontaneous combustion or emit flammable gases on contact with water. Examples are: camphor, ci
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Why are peaty and marshy soils highly acidic? The acidity is due to decomposition of organic matter under anaerobic conditions and formation of sulphuric acid.
Define the term - Irrigation Irrigation may be defined as the process of artificially supplying water to soil for full-fledged nourishment of the crops." In other words, it is
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which is the heaviest matter in the world
Energy Flow in the Ecosystem The principal source of energy for any ecosystem is sunlight. All food materials that we or other animals consume are manufactured directly or i
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