Researchers from The Netherlands have utilized an efficient method for studying the peptidome in human milk, allowing them to perform "qualitative and quantitative detection of about 4000 endogenous human milk peptides in a total analysis time of just 18 hours".
Study Title: Toward an efficient workflow for the analysis of the human milk peptidome.
Authors: Dingess KA, van den Toorn HWP, Mank M, Stahl B, Heck AJR.
In: Analytical and Bioanalytical Chemistry 2019 February 2. doi: 10.1007/s00216-018-01566-4.
Full text: https://link.springer.com/article/10.1007%2Fs00216-018-01566-4