Table 3.

Polyphenol quantification in ethyl acetate and methanol extracts of RB and WB

Polyphenols	Yield (mg/g dry weight)
	RBE	RBM	WBE	WBM
Gallic acid	–	0.004 ± 0.001b	–	–
Catechol	0.122 ± 0.002	–	0.144 ± 0.004c	–
Chlorogenic acid	0.017 ± 0.008a	–	–	–
Caffeic acid	0.053 ± 0.001	0.071 ± 0.005	0.083 ± 0.005c	0.064 ± 0.006
Syringic acid	0.041 ± 0.005	0.062 ± 0.008b	0.035 ± 0.004	–
p-Coumaric acid	0.159 ± 0.021a	0.040 ± 0.007	0.052 ± 0.007	0.115 ± 0.003d
Ferulic acid	0.049 ± 0.022	0.030 ± 0.010	0.160 ± 0.002c	0.044 ± 0.007
Ellagic acid	0.063 ± 0.008	0.033 ± 0.004b	0.074 ± 0.001c	0.023 ± 0.004
Myercetin	0.021 ± 0.002a	0.014 ± 0.008b	0.008 ± 0.001	–
Cinnamic acid	0.024 ± 0.004a	0.013 ± 0.004	0.012 ± 0.007	0.010 ± 0.005
Quercetin	0.013 ± 0.001a	0.011 ± 0.002b	–	–
Kaempferol	0.374 ± 0.088a	0.018 ± 0.002b	–	–
Apigenin	0.399 ± 0.075a	0.246 ± 0.054b	0.053 ± 0.014	0.027 ± 0.001

Each value represents mean ± SD (standard deviation) from triplicate measurements

^aValues of RBE significantly different from WBE

^bValues of WBE significantly different from RBE

^cValues of RBM significantly different from WBM

^dValues of WBM significantly different from RBM