Is Mayonnaise Basically Made of Oil? The Emulsion Explained
                                
                                
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                                    4 min read                                
                            
                                According to U.S. FDA regulations, commercial mayonnaise must contain at least 65% vegetable oil by weight. This astonishingly high proportion of fat makes it easy to wonder: is mayonnaise basically made of oil? While oil is indeed the most dominant ingredient, the true magic lies in the scientific process that turns it into a stable, creamy sauce.