Table 4.

DPPH free radical activity and FRAP value of pumpkin leaves hydrolyzed by subcritical water at various reaction times at 160°C

Reaction time (min)	DPPH scavenging activity (mg ascorbic acid equivalents/g dry matter)	FRAP value (mmol Fe2+/100 g dry matter)
10	7.39±0.02d	5.74±0.01c
20	9.71±0.21b	7.36±0.46a
30	9.35±0.07c	6.71±0.04b
40	9.40±0.16c	7.12±0.16ab
50	10.16±0.06a	7.16±0.14a

Means±SD (n=3).

The means in each column followed by common letters (a–d) are not significantly different by Duncan’s multiple range test at P<0.05.