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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)
State of Communication in the Past: Those of us who have experience of life in remote villages, far away from urban centres, are familiar with such features as poor roads whi
Minerals Minerals like coal, iron, copper, steel etc. are used in all kinds of industries and in every-day life. The rate of consumption of minerals is increasing every year.
what is weight of human in moon if his weight is 58 kg in earth?
Define the Complement system The complement system is a series ofproteins. There are only a handful of proteins in the complement system and they are floating freely in our blo
A field trip to study erosion Find some place in the locality where running water has complete damage by cutting gulleys. Take the class to study the erosion. Why was it caused
Compute for 3 H the mean energy per nuclear disintegration, Δ. The SI unit for Δ is kg Gy Bq -1 s -1 identical with J Bq -1 S -1 . The effective half-life for tritium in body w
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Water Pollution Pollution of fresh water is one of the most serious environmental problems of the world as a whole. In our country most of the rivers and lakes are polluted
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