Dietary protein ingestion is required to maximise the anabolic response during the recovery from resistance exercise. Whey protein is considered the optimal dietary strategy to maximise post-exercise muscle protein synthesis, but animal-protein production and consumption is associated with growing environmental and ethical concerns. Plant-based protein sources are considered of lesser anabolic quality than isonitrogenous boluses of animal-derived protein attributed to, at least in part, deficiencies in key essential amino acid. Blending different protein sources may overcome amino acid deficiencies and potentiate the post-exercise anabolic response. In the present study the investigators assessed the post-exercise muscle protein synthetic response following the ingestion of a novel plant-based protein isolate when compared with an isonitrogenous bolus of whey protein in healthy young, resistance trained women and men.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
10
A bout of bilateral resistance exercise consisting of barbell back squat, leg leg press and leg extension
Following execution of bilateral resistance exercise, participants will ingest 32 g protein from whey protein isolate
Following execution of bilateral resistance exercise, participants will ingest 32 g protein from plant-blend protein isolate
University of Exeter
Exeter, United Kingdom
Post-exercise myofibrillar protein synthesis following protein ingestion
The fractional synthetic rate of myofibrillar proteins
Time frame: 4 hours
Post-exercise myofibrillar protein synthesis during the early postprandial period
The fractional synthetic rate of myofibrillar proteins
Time frame: 2 hours
Post-exercise myofibrillar protein synthesis during the late postprandial period
The fractional synthetic rate of myofibrillar proteins
Time frame: 2 hours
Plasma amino acid response
Post-exercise and postprandial change in plasma amino acid concentrations and availability
Time frame: 4 hours
Serum insulin response
Post-exercise and postprandial change in serum insulin concentrations
Time frame: 4 hours
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.