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Medical Definition of calcium pantothenate. : a white powdery salt C18H32CaN2O10 made synthetically and used as a source of pantothenic acid.
Pantothenic acid was discovered in 1933 by Dr. R. J. Williams and was found to be a true vitamin shortly thereafter.Its name is derived from the Greek word pantos that means everywhere, which is appropriate for this widely distributed vitamin.Pantothenic acid is an integral part of coenzyme A and plays the important role of decarboxylating pyruvate in the citric acid cycle.ts name is derived from the Greek word pantos that means everywhere, which is appropriate for this widely distributed vitamin. Pantothenic acid is an integral part of coenzyme A and plays the important role of decarboxylating pyruvate in the citric acid cycle.