The Fruit Malus prunifolia (Malus micromalus Mak.): A Minireview of Current Knowledge of Fruit Composition and Health Benefits

Table 2

Individual polyphenols in Malus prunifolia fruits.

Main class	Subclass	Name	Chemical structure	Content (μg/g FW)	Reference
Phenolic acids	Benzoic acids	Gallic acid		39.90	[11]
		Protocatechuic acid		37.20–76.07	[11]
		p-Hydroxybenzoic acid		135.54–780.58	[13]
		Vanillic acid		60.36–293.36	[13]
		Syringic acid		25.24–95.19	[12]
		Ellagic acid		10.36–28.45	[12]
	Hydroxycinnamic acids	Caffeic acid		123.59	[13]
		p-Coumaric acid		0.119	[13]
		Ferulic acid		38.07–40	[12]
		Chlorogenic acid		23.87–404.61	[12]
		Cinnamic acid		3.55	[13]
Flavonoids	Flavonols	Quercetin		985–1256	[22]
		Rutin		139.10–966.03	[22]
		Kaempferol		203–346	[12, 22]
	Flavan-3-ols	Catechin		95.03–1909.72	[12]
		Epicatechin		16.24–44.83	[12]