Table 3.

Effects of S. aureus pretreatment (+) with standardised fermented papaya gel on their catalase activity, ROS production, phagocytosis, and intracellular killing by human granulocytes.

Parameter (units)	S. aureus strain, pretreatment with SFPG
	S. aureus, strain 242 (catalase +) (−) pretreatment	S. aureus, strain 242 (catalase +) (+) pretreatment	S. aureus, strain 556 (catalase −) (−) pretreatment	S. aureus, strain 556 (catalase −) (+) pretreatment
Catalase activity in S. aureus (Units/2 × 107 cells)	5.1 ± 0.1	3.3 ± 0.1∗	0	0
Phagocytosis intensity (%)	38 ± 5	36 ± 6	36 ± 8	34 ± 6
Intracellular killing of S. aureus (%)	60.5 ± 0.2	95.8 ± 0.2∗∗	95.0 ± 0.2	95.7 ± 0.3
ROS production by PMN activated by S. aureus (cpm/106 PMN)	2340 ± 125	3230 ± 200∗	10620 ± 410	10800 ± 830

  ^∗ P < 0.05  versus bacteria without pretreatment.

  ^∗∗ P < 0.001  versus bacteria without pretreatment.