The aim of this study is to investigate the postprandial metabolic responses to plant-based protein ingredients of different degrees of processing (pea protein concentrate, isolate, and extrudate) and in comparison to whey protein in healthy adults. Therefore, young healthy subjects consume 4 test meals with 25 g of protein from pea protein concentrate, pea protein isolate, pea protein extrudate or whey protein in a randomized order. In a postprandial period of 6 hours, parameters of protein and glucose metabolism (i.a. plasma amino acids), gastric emptying and hunger/satiety are analysed. It is assumed that the plasma amino acid profile after plant protein ingestion differs depending on processing level of the protein ingredients and in comparison to whey protein.
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Amino acid profile in blood
Timeframe: Postprandial period of 5 hours (Time points: fasting (0) and 15, 30, 45, 60, 90, 120, 180, 240 and 300 minutes)