Table 3.

Content of the main phenolics in four meadowsweet tea decoctions, mg/100 mL decoction (±SD).

Compound	F. camschatica	F. denudata	F. stepposa	F. ulmaria
Flavonoids
Kaempferol-3-O-α-l-rhamnoside	tr.	2.27 ± 0.07	2.78 ± 0.07	0.87 ± 0.02
Kaempferol-4′-O-β-d-glucoside	5.43 ± 0.14	4.70 ± 0.14	6.50 ± 0.19	5.71 ± 0.12
Quercetin	0.40 ± 0.01	1.71 ± 0.04	0.72 ± 0.02	1.20 ± 0.03
Quercetin-3-O-β-d-glucoside	0.74 ± 0.02	4.95 ± 0.14	10.18 ± 0.30	6.92 ± 0.16
Quercetin-3-O-α-l-arabinoside	0.76 ± 0.02	5.96 ± 0.17	4.21 ± 0.13	2.60 ± 0.05
Quercetin-3-O-α-l-rhamnoside	0.29 ± 0.01	1.18 ± 0.03	9.50 ± 0.27	3.92 ± 0.09
Quercetin-4′-O-β-d-glucoside	6.43 ± 0.17	28.50 ± 0.71	17.91 ± 0.45	17.53 ± 0.42
Quercetin-3-O-β-d-glucuronide	0.46 ± 0.01	tr.	tr.	tr.
Subtotal	14.51	49.27	51.80	38.75
Ellagitannins
Tellimagrandin I1	1.32 ± 0.03	7.61 ± 0.19	9.30 ± 0.25	4.56 ± 0.10
Tellimagrandin I2	2.28 ± 0.06	6.58 ± 0.19	10.65 ± 0.29	6.71 ± 0.15
Tellimagrandin II	0.59 ± 0.02	2.27 ± 0.06	2.73 ± 0.07	2.02 ± 0.04
Rugosin B1	2.42 ± 0.07	8.24 ± 0.25	7.69 ± 0.19	5.35 ± 0.12
Rugosin B2	2.92 ± 0.09	12.41 ± 0.32	22.44 ± 0.67	12.36 ± 0.29
Rugosin E1	1.75 ± 0.05	9.18 ± 0.23	13.42 ± 0.39	5.80 ± 0.12
Rugosin E2	1.03 ± 0.03	3.28 ± 0.09	5.07 ± 0.14	2.52 ± 0.06
Rugosin D	0.78 ± 0.02	15.62 ± 0.42	19.92 ± 0.52	8.75 ± 0.20
Subtotal	13.09	65.19	91.22	48.07
Other classes
Protocatechuic acid	0.78 ± 0.02	1.24 ± 0.03	1.32 ± 0.03	0.73 ± 0.01
Gallic acid	11.80 ± 0.34	25.76 ± 0.67	26.17 ± 0.68	19.25 ± 0.40
Ellagic acid	10.92 ± 0.32	26.72 ± 0.77	22.64 ± 0.61	15.27 ± 0.36
Methyl salicylate	0.71 ± 0.02	0.79 ± 0.02	0.97 ± 0.03	0.92 ± 0.02
Caffeic acid	1.08 ± 0.03	3.88 ± 0.12	7.66 ± 0.22	4.20 ± 0.09
1,3-Di-O-caffeoylquinic acid	6.18 ± 0.17	11.24 ± 0.34	12.47 ± 0.31	10.43 ± 0.23
Subtotal	31.47	69.63	71.23	50.80
Total	59.07	184.09	214.25	137.62

tr.—traces amounts (<limit of quantification).