the api zym system ( analytab products , plainview , n.y. ) , containing 19 chromogenic substrates , was utilized semiquantitatively to detect extracellular acid and alkaline phosphatases , aminopeptidases , proteases , esterase-lipase , phosphoamidase , and glycosidases in 128 oral and nonoral isolates of black-pigmented bacteroides , actinobacillus , haemophilus aphrophilus , capnocytophaga , fusobacterium nucleatum , wolinella recta , and veillonella parvula .
C0014894
esterase
C0023764
lipase