paracasein
/ˌparəˈkeɪsɪɪn/ /ˌparəˈkeɪsiːn/Biochemistry (chiefly US )
noun
The form of casein produced when the protein in milk is coagulated by rennin, and consisting of phosphoproteins (usually bonded to calcium ions).
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From para- + casein, probably after either German Paracaseïn or Swedish parakasein.