Whey protein hydrolysate

What is Whey Protein Hydrolysate?

Whey proteins are extracted from whey, which is the liquid portion of milk obtained during the manufacturing of cheese. It is removed and purified through the use of various techniques that yield different concentrations of whey proteins.

Whey protein hydrolysate is typically made using a process of enzymatic hydrolysis. This process employs specific enzymes to disrupt the protein structure by breaking larger peptide bonds into smaller ones — free amino acids, and di- and tri-peptides. It’s generally accepted that a whey protein hydrolysate containing mostly these smaller protein fractions is absorbed faster than intact proteins.

Main benefits of Whey Protein Hydrolysate:

  • Provides a faster-absorbing protein source
  • Complete essential amino acid profile, being particularly rich in branched-chain amino acids
  • Source of amino acids, essential for muscle synthesis
  • Source of bioactive peptides, responsible for several biological activities
  • Optimisation of peptide and amino acid delivery to muscle tissues

References

Anssi H Manninen, Protein hydrolysates in sports nutrition. Nutrition & Metabolism. 2009;6(1):38. doi:10.1186/1743-7075-6-38.

Brandelli, A. et al, Whey as a source of peptides with remarkable biological activities. Food Research International. 2015;73:149-161. doi:10.1016/j.foodres.2015.01.016.

Garrido, B.C. et al., Proteomics in quality control: Whey protein-based supplements. Journal of Proteomics. 2016;147:48-55. doi:10.1016/j.jprot.2016.03.044.

Norton, L. E., et al., Leucine content of dietary proteins is a determinant of postprandial skeletal muscle protein synthesis in adult rats. Nutrition & Metabolism. 2012;9(1):67. doi:10.1186/1743-7075-9-67.

Pereira, C. G. et al., Characterization and detection of adulterated whey protein supplements using stationary and time-resolved fluorescence spectroscopy. Lwt. 2018;97:180-186. doi:10.1016/j.lwt.2018.06.050.

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