Anabolic properties of potato derived protein

More than half of the total amount of dietary protein that is consumed by humans worldwide is of plant origin, with plant based proteins providing up to 80% of dietary protein consumed in less developed regions. With exception of soy protein, and a single study on wheat protein in healthy older men, there are no studies that have quantified the anabolic response to the ingestion of other plant based protein sources in vivo in humans. Greater sustainability and low cost of plant based protein sources provide us with many opportunities in the emerging markets. These notions likely explain the increasing interest in the potential of using plant-based protein sources in sports nutrition supplements. Previous studies indicate that potato tuber protein is superior to most major plant proteins, with its nutritive value approaching (87-94%) that of egg white. However, how well potato protein is able to support muscle protein synthesis and muscle reconditioning following exercise in humans remains unknown. Therefore, the objective of this study is to investigate the anabolic properties of potato protein ingestion at rest and following a single bout of exercise in healthy young males.

We hypothesize that ingestion of potato protein increases muscle protein synthesis rates at rest as well as during recovery from exercise in young healthy males. We hypothesize that the muscle protein synthetic response to the ingestion of potato protein does not differ from the ingestion of milk protein.

Bilateral muscle biopsies at: 0, 120 and 300

Blood drawn at: -180, -120, -60, 0, 15, 30, 45, 60, 90, 120, 150, 180, 210, 240, 300.

Single leg exercise, Milk versus Potato protein