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Galactose metabolism, hereditary defects and their clinical significance

  • R. Gitzelmann
  • R. G. Hansen

Abstract

Most galactose in the diet is in the form of the disaccharide lactose, which is synthesized in the mammary gland, mainly from glucose. Lactose is the primary carbohydrate source for nursing mammals and it provides about 40% of the energy in human milk. Why lactose evolved as the unique carbohydrate of milk is unclear, especially since most individuals can meet their galactose needs by biosynthesis from glucose. The simultaneous occurrence of calcium and lactose in milk may be of evolutionary significance. Lactose, in contrast to other saccharides, appears to enhance the absorption of calcium1,2. In man, calcium absorption may be associated with the hydrolysis of lactose3.

Keywords

Carbohydrate Metabolism Uridine Diphosphate Nuclear Cataract Galactose Metabolism Leloir Pathway 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© The Society for the Study of Inborn Errors of Metabolism 1980

Authors and Affiliations

  • R. Gitzelmann
  • R. G. Hansen

There are no affiliations available

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