Table 6. DPPH radical scavenging activity of QSLE, LJLE, and CTLE extracted under different conditions

Temperature(℃)	Extraction time (h)	DPPH radical scavenging activity (%)
Temperature(℃)	Extraction time (h)	QSLE¹⁾	LJLE²⁾	CTLE³⁾
70	1	38.61±1.34^a^b^c⁴⁾^A⁵⁾	13.93±0.40^h^B	5.37±0.28^g^C
	2	37.45±4.18^a^b^c^A	15.08±0.05^g^B	5.45±0.41^f^g^C
	3	39.92±3.07^a^b^c^A	14.93±0.33^g^h^B	5.75±0.31^f^g^C
	4	30.65±4.88^a^b^c^A	16.79±0.00^e^B	5.92±0.10^e^C
	5	30.21±1.73^b^c^A	16.65±0.13^e^f^B	7.12±0.10^e^f^C
80	1	28.70±1.29^c^A	14.41±0.18^b^B	7.32±0.35^d^C
	2	31.73±2.86^a^b^c^A	15.72±0.05^f^B	7.12±0.10^d^C
	3	43.39±1.96^a^A	16.16±0.10^e^f^B	7.23±0.27^d^B
	4	34.67±2.30^a^b^c^A	19.34±0.45^b^B	8.87±0.10^d^C
	5	36.07±7.41^a^b^c^A	17.64±0.13^d^B	8.87±0.10^c^C
90	1	35.84±2.00^a^b^c^A	18.66±0.35^b^B	10.00±0.43^c^C
	2	35.58±6.68^a^b^c^A	18.69±0.10^b^c^B	10.00±0.43^b^C
	3	36.80±13.53^a^b^c^A	18.17±0.20^c^d^B	10.38±0.10^b^B
	4	38.09±1.64^a^b^c^A	20.30±0.55^a^B	11.20±0.09^a^C
	5	43.02±2.13^a^b^A	19.16±0.93^b^B	11.23±0.05^a^C

¹⁾QSLE, Quercus salicina Blume leaf hot water extract.
²⁾LJLE, Ligustrum japonicum leaf hot water extract.
³⁾CTLE, Clerodendrum trichotomum leaf hot water extract.
⁴⁾^a^-^hMeans with the same superscripts in a column are not significantly different by Duncan’s multiple range test (p<0.05).
⁵⁾^A^-^CMeans with the same superscripts in a row are not significantly different by Duncan’s multiple range test (p<0.05).