lipoxygenase

noun

li·​pox·​y·​gen·​ase li-ˈpäk-sə-jə-ˌnās, lī-, -ˌnāz 

: a crystallizable enzyme that catalyzes the oxidation primarily of unsaturated fatty acids or unsaturated fats by oxygen and secondarily of carotenoids to colorless substances and that occurs especially in soybeans and cereals