Table 2. Extraction yield, total polyphenol, total flavonoid, and total tannin contents of Quercus gilva 95% ethanol, hot water extract

Sample	Solvent	Part	Yield¹⁾	TP (mg/GAEg)	TF (mg/CAEg)	TA (mg/TAEg)
Q. gilva	95% ethanol	Leaf	14.20 ± 1.65^f2)	2.53 ± 0.25^a	6.72 ± 0.06^a	13.92 ± 2.42^a
		Branch	9.12 ± 0.28^c	17.70 ± 0.26^c	18.83 ± 0.35^c	135.81 ± 1.54^c
		Kernel	3.22 ± 0.27^a	46.59 ± 0.30^e	23.47 ± 0.29^e	261.63 ± 2.38^e
		Pericarp	7.76 ± 0.75^b	3.62 ± 0.11^b	7.89 ± 0.06^b	20.96 ± 3.25^b
	Hot water	Leaf	12.49 ± 0.32^e	3.64 ± 0.22^b	8.62 ± 0.24^b	13.53 ± 1.50^a
		Branch	10.60 ± 0.27^d	49.77 ± 0.00^f	34.25 ± 1.07^g	334.49 ± 3.72^f
		Kernel	3.83 ± 0.01^a	27.72 ± 0.74^d	20.26 ± 0.70^d	195.49 ± 0.64^d
		Pericarp	12.10 ± 0.14^e	49.57 ± 0.15^f	26.25 ± 0.09^f	265.99 ± 3.84^e
Solvent			^***	^***	^***	^***
Part			^***	^***	^***	^***
Solvent × Part			^***	^***	^***	^***

Data are means ± SD (n = 3).
p < 0.05,
p < 0.01,
p < 0.001.
All value are expressed as Mean ± SD of triplicate determinations.
Different superscripts within the column are significantly different at p < 0.05 by Duncan’s multiple range test.
mg GAE/g: mg gallic acid equivalent per g, mg CAE/g: mg catechin equivalent per g, mg TAE/g: mg tannin acid equivalent per g.