the ability of d-alpha-tocopherol to act as a quencher of ( 1 ) 0 ( 2 ) ( singlet oxygen ) was tested with a biological source of ( 1 ) 0 ( 2 ) , namely the phagocytosis activated myeloperoxidase contained in the homogenate of human circulating polymorphonuclear leukocytes .
C0027021
myeloperoxidase
C0086418
human