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Plasma esterase activities in rats fed magnesium-deficient diets
Authors:Hein A Van Lith  Annette E Bergstra  Manuela Haller  Anton C Beynen
Institution:(1) Department of Laboratory Animal Science, Utrecht University, Utrecht, The Netherlands;(2) Department of Laboratory Animal Science, Faculty of Veterinary Medicine, Utrecht University, PO Box 80, 166 3508 TD Utrecht, The Netherlands
Abstract:In a study with rats it was determined whether dietary magnesium concentration affects plasma esterase activities. The feeding of a diet with 0.01% (w/w) instead of 0.04% magnesium reduced plasma magnesium concentration by 50%. Plasma total esterase, arylesterase and butyrylcholinesterase activities were significantly decreased in the magnesium-deficient rats. In rats fed a diet containing 0.02% magnesium, plasma magnesium concentration was lowered by 30%, and group mean plasma total esterase activity was decreased, but not the activities of arylesterase and butyrylcholinesterase.
Keywords:dietary magnesium  esterases
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