Analysis of Polyphenolic Compounds in Extracts from Leaves of Some Malus domestica Cultivars: Antiradical and Antimicrobial Analysis of These Extracts

Table 4

Mean () content, expressed in mg/g dry wt ± SD (RSD, %), of polyphenolic compounds identified in aqueous (ED) extracts obtained from the leaves of five Malus Mill. cultivars.

Cultivar	Polyphenols
	pOHBA	ChlorA	Hyper	Iquer	Quer	Rut	Phlor	Sum
Elstar	0.14 ± 0.003; (2.5)	4.35 ± 0.15; (3.5)	2.79 ± 0.05; (1.9)	1.58 ± 0.05; (3.0)	0.10 ± 0.002; (2.4)	1.70 ± 0.06; (3.3)	11.26 ± 0.26; (2.3)	22.02 ± 0.57
Golden delicious	0.13 ± 0.003; (2.6)	3.26 ± 0.04; (1.1)	2.25 ± 0.05; (2.4)	1.28 ± 0.04; (3.2)	0.17 ± 0.01; (3.1)	0.77 ± 0.02; (2.8)	11.79 ± 0.22; (1.9)	19.65 ± 0.38
Jonagold	0.09 ± 0.003; (2.9)	3.42 ± 0.06; (1.8)	2.39 ± 0.06; (2.4)	1.15 ± 0.04; (3.5)	0.13 ± 0.05; (3.6)	0.99 ± 0.02; (2.2)	13.47 ± 0.27; (2.0)	21.64 ± 0.50
Ligol	0.13 ± 0.004; (3.2)	4.56 ± 0.14; (3.1)	2.61 ± 0.05; (1.8)	1.21 ± 0.03; (2.4)	0.07 ± 0.003; (3.8)	1.98 ± 0.05; (2.6)	10.08 ± 0.27; (2.7)	20.64 ± 0.55
Mutsu	0.10 ± 0.004; (3.7)	2.10 ± 0.03; (1.6)	1.79 ± 0.04; (2.0)	0.89 ± 0.03; (3.6)	0.11 ± 0.002; (1.9)	0.84 ± 0.03; (3.4)	10.48 ± 0.17; (1.6)	16.31 ± 0.31

Explanations: pOHBA: p-hydroxybenzoic acid; ChlorA: chlorogenic acid; Hyper: hyperoside; Iquer: isoquercitrin; Quer: quercitrin; Rut: rutoside; Phlor: phloridzin.