Table 6 Effect of air heating in oven (70℃, 3 hrs) + ultrasonic treatment on total phenolic compounds and antioxidant capacity in leaves of pomegranate.

Treatmentz	Total phenolic compound (mg/g D.W.)	DPPH radical scavenging activity (%)
SD	39.9±1.1 ay	80.3±1.2 by
HD	40.1±0.3 a	80.5±1.4 b
10 min	40.5±0.5 a	82.5±1.0 a
20 min	41.5±0.3 a	81.4±0.7 ab
30 min	42.2±1.1 a	83.2±1.0 a
60 min	41.7±1.1 a	83.0±0.8 a

^zSD : dried in the shade, HD : hot air drying.
^yMean separation within columns by Duncan’s multiple range test at 5% level.
Values are mean ± standard deviation, n = 3.