What are you going to do with the hydrolysate? Amino acid composition analysis, dietary supplement, technological application, etc.????? Each purpose might require a specific type of hydrolysis: acidic, basic, oxidative or reducing! So be more specific in your question.

Last time when I've looked arround Mother Nature is doing that with enzymes :)

https://www.quora.com/Why-is-the-enzyme-hydrolysis-of-protein-more-preferable-than-acid-or-alkali-hydrolysis

Good luck ! Best D.O.C

The following links maybe useful for starting your study.

https://doi.org/10.3390/foods11091320

https://doi.org/10.1016/j.foodres.2020.109204

https://www.sciencedirect.com/topics/chemical-engineering/protein-hydrolysis

https://www.chemguide.co.uk/organicprops/aminoacids/proteinhydrolysis.html

https://biomedgrid.com/pdf/AJBSR.MS.ID.001630.pdf

Regards