Table 5. Total flavonoid contents of QSLE, LJLE, and CTLE extracted under different conditions

Temperature(℃)	Extraction time (h)	Total flavonoid content (μg CE/g)
Temperature(℃)	Extraction time (h)	QSLE¹⁾	LJLE²⁾	CTLE³⁾
70	1	50.59±2.98^d⁴⁾^A⁵⁾	36.92±2.15^e^f^B	8.93±0.52^g^C
	2	51.89±5.17^c^d^A	34.97±0.52^e^f^B	13.49±0.52^e^f^C
	3	57.09±1.13^a^b^A	34.32±0.00^f^B	12.19±2.98^f^C
	4	57.09±1.13^a^A	46.68±0.52^a^b^B	13.49±1.13^e^f^C
	5	58.40±1.13^a^A	46.68±1.13^a^b^B	16.74±1.12^c^d^e^C
80	1	42.13±1.95^e^A	42.13±0.00^c^d^B	12.84±3.90^e^f^C
	2	50.59±1.13^d^A	42.13±1.29^c^d^B	12.84±0.31^e^f^C
	3	58.40±1.13^a^A	47.98±0.25^a^B	14.79±0.41^d^e^f^C
	4	58.40±1.13^a^A	47.98±0.11^a^B	15.44±0.24^c^d^e^C
	5	56.44±1.13^a^A	44.08±1.13^a^b^c^B	15.44±1.13^c^d^e^C
90	1	52.54±1.13^a^b^c^A	34.32±0.24^f^B	18.05±0.12^c^d^C
	2	54.44±1.13^a^b^c^A	38.87±2.25^d^e^B	20.00±1.13^a^b^C
	3	56.44±1.13^a^A	38.87±1.13^d^e^B	22.60±0.66^a^C
	4	55.79±0.00^a^A	41.48±1.95^c^d^B	22.60±0.54^a^C
	5	55.14±1.13^a^A	43.10±1.29^b^c^B	22.60±0.76^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^-^gMeans 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).