Chemical composition and biological activity of Rubus idaeus shoots – a traditional herbal remedy of Eastern Europe

Table 2 HPLC-DAD-ESI-MS data of standards and the compounds identified in the shoots of 11 cultivar varieties of R. idaeus

	Compound	t_R(min)	λ_max(nm)	Molecular ion [M+H]⁺/[M-H]⁻(m/z)	Fragment ions (m/z)
1	Gallic acid	2.4	214, 268	171⁺, 169⁻	-
2	Protocatechuic acid	4.2	258, 293	155⁺, 153⁻	-
3	Procyanidin B₁	7.1	278	579⁺, 577⁻	-
4	Catechin	9.2	278	291⁺, 289⁻	-
5	Chlorogenic acid	9.8	295, 327	355⁺, 353⁻	-
6	Caffeic acid	11.0	294, 321	181⁺, 179⁻	-
7	Procyanidin B₂	12.1	278	579⁺, 577⁻	-
8	Epicatechin	14.4	277	291⁺, 289⁻	-
9	Sanguiin H-6	20.5	251	1869⁻	[934]⁻², [935]⁻²
10	Ellagic acid	22.2	252, 369	303⁺, 301⁻	-
11	Hyperoside	23.0	253, 350	465⁺, 463⁻	303⁺, 301⁻
12	Isoquercetin	23.8	254, 352	465⁺, 463⁻	303⁺, 301⁻
13	Quercetin 3-O-glucuronide	23.8	255, 352	479⁺, 477⁻	303⁺, 301⁻
14	Kaempferol 3-O-galactoside	25.9	264, 345	449⁺, 447⁻	287⁺, 285⁻
15	Quercetin 3-O-rhamnoside	27.4	254, 348	449⁺, 447⁻	303⁺, 301⁻
16	Myricetin	29.0	252, 369	319⁺, 317⁻	-
17	Tiliroside	34.5	266, 313	595⁺, 593⁻	-
18	Quercetin	35.0	253, 369	303⁺, 301⁻	-
19	Kaempferol	37.1	262, 362	287⁺, 285⁻	-
1′	Sanguiin H-10	16.7	251	1567⁻	-
2′	Lambertianin C	17.4	251	-	[1401]⁻², [1402]⁻²
3′	Potentilin/casuarictin	18.4	251	935⁻	-
4′	Sanguiin H-10	19.0	251	1567⁻	-
5′	Lambertianin C	19. 5	251	-	[1401]⁻², [1402]⁻²
6′	Sanguiin H-2	19.7	251	1103⁻	-
7′	Unknown quercetin pentoside	25.5	254, 353	435⁺, 433⁻	303⁺, 301⁻

ISSN: 2662-7671