Table 3.

Quantification of the components of C. palustre herb extracts before (extract A) and after ellagitannin removal (extract B).

HPLC Peak No.	Compound	Extract A, mg·g−1 a	Extract B, mg·g−1 a
1	2-Pyrone-4,6-dicarboxylic acid	3.25 ± 0.06	4.52 ± 0.11
2	Gallic acid	0.50 ± 0.01	n.d.
3	α-Pedunculagin	9.80 ± 0.25	n.d.
4	β-Pedunculagin	10.79 ± 0.33	n.d.
5	Procyanidin B3	30.02 ± 0.78	0.52 ± 0.01
6	(+)-Catechin	28.02 ± 0.67	n.d.
7	Potentillin	22.82 ± 0.66	n.d.
8	Agrimoniin	240.94 ± 6.74	1.03 ± 0.02
9	Ellagic acid	6.67 ± 0.18	n.d.
10	Rutin	8.07 ± 0.21	12.20 ± 0.32
11	Miquelianin	80.81 ± 2.10	120.27 ± 3.72
12	Isoquercitrin	8.67 ± 0.25	12.95 ± 0.33
13	Nicotiflorin	6.45 ± 0.18	9.82 ± 0.26
14	Astragalin	25.40 ± 0.71	32.11 ± 0.99
15	Afzelin	6.35 ± 0.17	9.64 ± 0.26
Total ellagitannins (Σ3,4,7,8)		284.35	1.03
Total flavonoids (Σ10–15)		135.75	196.99
Total catechines (Σ5,6)		58.04	0.52
Other classes (Σ1,2,9)		10.42	4.52
Total phenolics (Σ1–15)		488.56	203.06

^a Average of three analyses (±SD).