The phrase "acid component" refers to a specific part or element of a substance that has acidic properties. It is the part of a substance that makes it sour or gives it the ability to react with other substances. Full definition
When a human or animal eats proteins, the proteins are broken down into their individual amino acid components before they are absorbed. (vcahospitals.com)
It takes many hours for the protein in any particular meal to be fully broken down into its individual amino acid components, released into the bloodstream and then absorbed by the body. (seannal.com)
Now Javier Menendez at the Northwestern University Feinberg School of Medicine in Chicago and his team have shown that oleic acid, the major fatty acid component of olive oil, blocks the production of a protein that boosts the growth of breast cancer cells. (newscientist.com)