Screening for antioxidant and antibacterial activities of phenolics from Golden Delicious apple pomace

BMC Chemistry

Table 5 Antioxidant activities of six individual phenol standards

Individual phenols	FRAP	DRSC	HORAC	ORAC	Concentration (mg/ml)
Procyanidin B₂	0.10 ± 0.01^c	0.25 ± 0.03^c	0.79 ± 0.05^c	1.23 ± 0.05^c	1.38 ± 0.02
Phloridzin	0.62 ± 0.05^bD	0.89 ± 0.05^bC	1.16 ± 0.08^bB	2.01 ± 0.07^abA	8.63 ± 0.05
Hyperin	0.08 ± 0.01^d	0.15 ± 0.02^d	0.37 ± 0.02^d	0.78 ± 0.02^d	1.07 ± 0.01
Quercetin-3-pentoside	0.06 ± 0.01^e	0.13 ± 0.01^e	0.32 ± 0.02^d	0.75 ± 0.03^d	1.06 ± 0.01
Quercetin-3-rhamnoside	0.07 ± 0.01^de	0.14 ± 0.01^de	0.35 ± 0.01^d	0.73 ± 0.04^d	1.14 ± 0.02
Phloretin	1.88 ± 0.07^aB	1.27 ± 0.08^aC	1.86 ± 0.06^aB	2.58 ± 0.10^aA	7.75 ± 0.04

Values are expressed as the mean ± standard deviation (n = 3)
FRAP ferric reducing power expressed as milligram BHT equivalents per milliliter of ethyl acetate extract (mg BHT/ml ethyl acetate extract), DRSC DPPH radical scavenging capacity expressed as milligram BHT equivalents per milliliter of ethyl acetate extract (mg BHT/ml ethyl acetate extract), HORAC hydroxyl radical averting capacity expressed as milligram BHT equivalents per milliliter of ethyl acetate extract (mg BHT/ml ethyl acetate extract), ORAC oxygen radical absorbance capacity expressed as milligram BHT equivalents per milliliter of ethyl acetate extract (mg BHT/ml ethyl acetate extract)
^a–eColumn wise values with different superscripts of this type denote significant differences (P < 0.05)
^A–DLine wise values with different superscripts of this type denote significant differences (P < 0.05)

ISSN: 2661-801X