Assertion: collagen | /r/MadeOf | three amino acids
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Collagen is made primarily of three amino acids—proline, hydroxyproline and glycine-which help our bodies carry out important functions, such as building and repairing muscles and tissues.
text: It is made of amino acids, which are the building blocks of protein, says Cleveland Clinic.
text: It is made primarily of three amino acids — proline, hydroxyproline and glycine