Protective role and metal chelating ability - nicotinic acid, Biology

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Define Protective role and Metal chelating ability?

Protective role: Nicotinic acid is vital to the normal functioning of the skin intestinal tract and nervous system. It protects the tissues from pellagraic lesions.

Metal chelating ability: This explains its biological interactions with essential trace metals. It is a part of the proposed glucose tolerance factor, an organochromium complex that may potentiate insulin response in man.


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