The Involvement of a Polyphenol-Rich Extract of Black Chokeberry in Oxidative Stress on Experimental Arterial Hypertension

Table 1

Retention time and mass spectral data of polyphenolic compounds detected in ethanolic extract of black chokeberry fruits.

Nonanthocyanin polyphenols
Peak no.	Rt (min)	Mass spectral data		Peak assignment
		Deprotonated molecule [M–H]^− (m/z)	Fragment ions (m/z)
1	32.9	352.90	190.93 [M-H-Caffeoyl]	Chlorogenic acid; (5-O-caffeoyl quinic acid)
3	61.9	608.87	—	Rutin*; (quercetin-3-O-glucorhamnoside)
4	63.2	462.86	—	Hyperoside; (quercetin-3-O-galactoside)
5	87.9	300.86	—	Quercetin
Anthocyanins
Peak no.	Rt (min)	Mass spectral data		Peak assignment
		Molecular ion [M]^+ (m/z)	Fragment ions (m/z)
2	39.3	449.21	287.13 [M-Glucose]	Kuromanin; (cyanidin-3-O-glucoside)

∗Rutin coeluted with a compound (462.86 𝑚/𝑧), possibly another quercetin glycoside.
Rt: retention time.