Does Steamed Milk Still Have Protein? The Science Behind the Foam
                                
                                
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                                    5 min read                                
                            
                                While some nutrients like certain B vitamins can be diminished by heat, the total protein content in milk remains stable when steamed. The real story behind whether steamed milk still has protein lies in a physical transformation called denaturation, which actually plays a crucial role in creating a coffee shop's signature microfoam.