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Changes in the concentrations.of the minor Constituents of goat's milk during starvation and on refeeding of the lactating animal and their relationship to mammary gland metabolism

Published online by Cambridge University Press:  09 March 2007

N. Chaiyabutr ,
Anne Faulkner  and
M. Peaker
N. Chaiyabutr
Affiliation:
The Hannah Research Institute, Ayr KA6 5HL
Anne Faulkner
Affiliation:
The Hannah Research Institute, Ayr KA6 5HL
M. Peaker
Affiliation:
The Hannah Research Institute, Ayr KA6 5HL
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Abstract

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1. Changes in the concentrations of the minor constituents of goat's milk were observed during 48 h starvation and on refeeding.

2. The concentrations of hexose phosphate and UDP-hexoses increased during starvation and decreased on refeeding.

3. The concentrations of phosphoenolpyruvate and glycerate 3-phosphate decreased during starvation and increased on refeeding.

4. Isocitrate: 2-oxoglutarate increased during starvation and decreased on refeeding.

5. Changes in the minor constituents of milk can be explained in terms of the metabolic changes occurring in the mammary gland during starvation. It is proposed that changes in the concentrations of these metabolites in milk reflect changes in their concentrations in the cytosol or Golgi vesicles of the mammary gland.

Type
Papers on General Nutrition
Information
British Journal of Nutrition , Volume 45 , Issue 1 , January 1981 , pp. 149 - 157
Copyright
Copyright © The Nutrition Society 1981

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