Monday, December 16, 2013

Nutrient Fates after Absorption

Random Bump

This held the top spot in terms of readership here at the Asylum for quite some time.  Always worthy of a bump.

Original post:  7/15/10

Nutrient effects: post-absorptive interactions BY ERIC JEQUIER   (1995)
After a meal, the metabolic fuel selection at the whole-body level depends on the plasma concentrations of nutrients such as glucose, non-esterified fatty acids (NEFA) , amino acids, and on hormonal responses. Over the last 10 years, there has been great interest in studying the metabolic effects following the ingestion or the intravenous (i.v.) infusion of the three macronutrients, carbohydrate (CHO), fat, and protein (or amino acids for i.v. infusion). The aim of the present brief review  {I'm thinking it's not so brief!}  is to summarize the main mechanisms which determine the post-absorptive interactions between the nutrients.
This is an older paper, but still recent enough to provide some good info on the basics.  I'm going to do something a bit different with this one and I otherwise would be quoting huge chunks.  So I'll do bullet point summaries with select summary quotes from the paper in italics.

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