Post-prandial amino acid and leucine responses to serum albumin concentrate compared to whey protein concentrate in healthy subjects
نویسندگان
چکیده
Background Supplemental protein sources vary in composition in regards to size, structure, and amino acid composition of the varying individual proteins. Serum albumin concentrate (SA) is a new protein source extracted from edible-grade bovine plasma, which was recently made available on commercial scale. As compared to the low MW proteins in whey protein concentrate (WPC), SA consists of higher MW protein constituents such as albumin (66kD, >60%) and globulin proteins (130 kD, >10%), which contain a high quality amino acid composition. These differences in the protein profile of SA may both delay and sustain amino acid absorption in comparison to WPC. The objective of this study was to determine the post-prandial amino acid response to oral ingestion of SA and to compare the response to that of WPC.
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