Effects of protein malnutrition and ascorbic acid levels on drug metabolism

Canadian Journal of Physiology and Pharmacology
T K Basu

Abstract

The duration of action of drugs (or other environmental chemicals) is dependent on their rate of metabolic deactivation and elimination from the body. Termination of activity is achieved either through excretion of the drug via the kidney and bile or, more commonly, through metabolic deactivation by enzymes of the liver and other tissues. In recent years, it has become increasingly obvious that nutritional status is one of the major factors capable of modifying the pharmacological effect of drugs. Numerous studies have indicated that the process of drug metabolism may be affected by acute starvation, undernutrition, protein nutrition, and deficiencies of minerals, vitamins, and lipids. Although most of the evidence concerning the effects of nutrition on the metabolism of drugs has been derived from studies on experimental animals, there is significant fragmentary human data to show that the same effects may occur in man. This paper will discuss the influence of nutritional status with particular references to protein and ascorbic acid on the metabolism of foreign compounds including drugs. The interrelationships of nutrition and the metabolism of drugs are an important consideration in view of the widespread recurrence of prima...Continue Reading

Citations

Jan 1, 1991·Drug Metabolism Reviews·A P NarangP Bambery

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