Profile of the Phenolic Compounds of Rosa rugosa Petals

Table 1

The results of identification and the quantification of polyphenolic compounds in the tested Rosa rugosa petals.

Peak number	Compound	UPLC-MS [min]	[M − H]^− (m/z)	[MS^2] (m/z)	Harvesting season [year]
					2012	2013
					(mg/100 g fresh weight of rose petals)
12	Myricetin 3,5-di-O-glucoside	4.07	641.1755	479.1206;	82.00 ± 2.54	79.00 ± 1.81
				317.0670
13	Quercetin 3,4-di-O-glucoside	5.85	625.1386	300.0277	158.62 ± 13.80	164.62 ± 1.10
15	Kaempferol 3,4-di-O-glucoside	6.75	609.1432	284.0348	40.56 ± 0.58	45.99 ± 4.38
16	Quercetin 3-O-glucosyl-xyloside	6.84	595.1262	300.0277	100.63 ± 1.12	59.93 ± 0.30
17	Isorhamnetin 3-O-glucoside	7.36	477.1022	315.0476;	6.85 ± 0.05	6.23 ± 0.02
				271.0413
18	Unknown quercetin derivatives	7.58	1087.0920	301.0354	10.28 ± 0.18	14.16 ± 0.67
19	Kaempferol 3,7-di-O-rhamnoside	7.96	579.1329	284.0313	6.42 ± 0.00	8.52 ± 1.05
20	Quercetin 3-O-rhamnoside	8.5	447.0916	300.0277	7.33 ± 0.20	9.00 ± 1.17
11	(+)-catechin	3.19	289.0688	169.0136	177.60 ± 6.22	185.20 ± 4.78
5	Sanguine H-2	5.33	1103.0829	935.0815;	165.45 ± 4.60	209.65 ± 2.40
				300.9999
6	Ellagitannin^1	5.42	860.0810	785.0868;	72.57 ± 2.60	91.57 ± 1.20
				300.9999
7	Ellagitannin^2	5.79	860.0870	785.0868;	21.41 ± 1.61	51.41 ± 0.82
				300.9999
8	Ellagitannin^3	5.89	937.0917	465.0684;	1071.81 ± 29.30	1271.81 ± 8.90
				300.9999
9	Ellagitannin^4	6.19	1105.1028	1061.1268;	185.77 ± 1.30	283.33 ± 2.70
				300.9999
10	Isomer galloilo-bis-HHDP glucose	6.36	935.0815	433.0352;	20.83 ± 7.58	26.83 ± 1.91
				300.9999
14	Ellagic acid	6.63	300.9999		47.30 ± 6.58	50.90 ± 2.85
	Procyanidins polymer				33.10 ± 0.75	32.10 ± 1.34
	SUM				2208.53 ± 79.01	2590.25 ± 37.40

Averages marked with the same letters in the row do not differ significantly statistically at < 0.05; ^{1, 2, 3, 4}unidentified ellagitannins.