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Updated: Aug 16, 2026

Quantification of Coenzyme A in Cells and Tissues
Published on: September 27, 2019
Role of carnitine during development
Abstract:
Fatty acids are an important fuel source for neonates. The utilization of long chain fatty acids as a fuel source is dependent upon adequate concentrations of carnitine. Carnitine also has functions in other physiological processes critical to the survival of the neonate such as lipolysis, thermogenesis, ketogenesis, and possibly regulation of certain aspects of nitrogen metabolism. Plasma and tissue carnitine concentrations in neonates are depressed compared with those of older individuals. The capability for carnitine biosynthesis is much less in the neonate than in the adult. Human milk contains carnitine and appears to be the major source of carnitine to meet the neonate's metabolic needs. However, total parenteral nutrition solutions and soy-based infant formulas contain no carnitine. Evidence is accumulating that all infant diets may need to supply carnitine to meet the neonate's metabolic needs.
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