Inhibition of phospholipase A2, platelet aggregation and egg albumin induced rat paw oedema as anti-inflammatory effect of Peltophorun pterocarpus stem-bark

Clinical Phytoscience

International Journal of Phytomedicine and Phytotherapy

Table 4 Effect of flavonoid-rich extract of Peltophorum pterocarpum stem backon phospholipase A₂ activity

Treatment	Concentration (mg/ml)	O. D_418nm	Percentage enzyme activity (%)	Percentage inhibition of enzyme activity (%)
Control	–	0.418 ± 0.003^h	–	–
Extract	0.1	0.335 ± 0.004^g	80.14	19.86
	0.2	0.317 ± 0.002^f	75.84	26.16
	0.3	0.300 ± 0.003^e	71.53	28.47
	0.4	0.221 ± 0.003^c	52.87	47.13
	0.5	0.215 ± 0.005^b	51.44	48.56
(Prednisolone)	0.4	0.230 ± 0.003^d	55.02	44.98
(Prednisolone)	0.5	0.208 ± 0.003^a	49.76	50.24

n = 3.
Result expressed as Mean ± S.D.
Mean values with different lowercase letters as superscripts down the groups are considered significant at (P < 0.05).