The whey proteins include beta - lactoglobulin, alpha - lactalbumin, blood serum albumins, immunoglobulins and protease - peptones fractions. (thinkusadairy.org)
The starved larvae were later re-fed with different nutrients (yeast paste, 46 g / L peptone, 10 % glucose, 0.3 % L - isoleucine, or 0.2 % L - leucine). (journals.plos.org)
The yogurt strains are recognized to have exposure to some dairy peptones (broken down molecular structures) during their fermentation. (wellbees.com)