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. 2016 Aug 3;21(8):1007. doi: 10.3390/molecules21081007

Table 2.

Quantitative results (mg/g sample) for polyphenolic fraction of the spearmint extract analyzed.

ID a Compounds Quantified as… Concentration (mg/g)
4 Dihydroxyphenyllactic acid (Danshensu) Caffeic acid 0.77 ± 0.09
5 Protocatecuic acid hexoside Caffeic acid 0.04 ± 0.00
7 Hydroxybenzoic acid Caffeic acid 0.57 ± 0.07
8 Caftaric Acid Caftaric acid 2.18 ± 0.30
9 Hydroxyphenyllactic acid Caffeic acid 0.07 ± 0.00
10 Luteolin-8-C-glucoside (orientin) Luteolin-4-glucoside 0.02 ± 0.00
11 3′-Caffeoylquinic (neochlorogenic acid) 3′-Caffeoylquinic b 1.79 ± 0.22
14 Coumaric acid Caffeic acid 0.03 ± 0.00
15 Salvianolic Acid F Caffeic acid 0.01 ± 0.00
16 Dicaffeic acid Caffeic acid 0.09 ± 0.00
17 5′-Caffeoylquinic (chlorogenic acid) 5′-Caffeoylquinic b 1.16 ± 0.08
18 Caffeic acid Caffeic acid 0.71 ± 0.06
20 Rosmarinic acid derivative Rosmarinic acid 2.17 ± 0.25
21 Rosmarinic acid derivative Rosmarinic acid 1.61 ± 0.11
22 Feruloylquinic acid 3′-Caffeoylquinic 0.11 ± 0.00
24 Danshensu derivative Caffeic acid 0.01 ± 0.00
25 Rosmarinic acid-O-caffeic acid Rosmarinic acid 0.05 ± 0.00
26 Salvianolic acid J/isomer Salvianolic acid A 1.84 ± 0.17
28 Rosmarinic acid-rutinoside Rosmarinic acid 0.17 ± 0.00
29 Quercetin-rutinoside (rutin) Rutin b 0.01 ± 0.00
30 Salvianolic acid J/isomer Salvianolic acid A 0.36 ± 0.05
31 Luteolin-rutinoside Luteolin-4-glucoside 0.17 ± 0.01
32 Rosmarinic acid-O-hexoside Rosmarinic acid 0.28 ± 0.03
33 Luteolin-hexoside Luteolin-4-glucoside 0.02 ± 0.00
34 Luteolin-7-glucuronide Luteolin-4-glucoside 0.13 ± 0.00
35 Salvianolic acid B/E/isomer Salvianolic acid B 0.41 ± 0.05
36 Narirutin (Naringenin-7-O-rutinoside) Narirutin b 0.04 ± 0.01
37 Salvianolic Acid D Rosmarinic acid 0.29 ± 0.02
38 Sagerinic Acid Rosmarinic acid 8.93 ± 1.10
39 Salvianolic Acid E Salvianolic acid B 0.16 ± 0.02
40 Rosmarinic Acid Rosmarinic acid b 173.76 ± 11.52
41 Sagerinic Acid isomer Rosmarinic acid 40.05 ± 2.20
42 Salvianolic Acid A derivative Salvianolic acid A 1.44 ± 0.30
43 Lithospermic Acid Lithospermic acid b 3.81 ± 0.26
44 Salvianolic Acid B Salvianolic acid B b 1.35 ± 0.16
45 Dehydro-Rosmarinic Acid Rosmarinic acid 0.52 ± 0.01
46 Salvianolic acid B/E/isomer Salvianolic acid B 0.30 ± 0.03
47 Rosmarinic acid-dihexoside Rosmarinic acid 0.16 ± 0.01
49 Salvianolic Acid A Salvianolic acid A b 7.79 ± 0.52
51 Salvianolic Acid A isomer Salvianolic acid A 0.31 ± 0.06
52 Rosmarinic acid derivative Rosmarinic acid 0.28 ± 0.02
53 Danshensu derivative Caffeic acid 0.06 ± 0.00
54 Danshensu derivative Caffeic acid 0.03 ± 0.00
55 Danshensu derivative Caffeic acid 0.05 ± 0.00
56 Rosmarinic acid derivative Rosmarinic acid 0.10 ± 0.01
57 Apigenin Daidzein 0.19 ± 0.01
58 Salvianolic Acid A isomer Salvianolic acid A 0.69 ± 0.02
60 Salvianolic Acid B derivative Salvianolic acid B 0.05 ± 0.00
61 Rosmarinic acid derivative Rosmarinic acid 0.67 ± 0.04
62 Rosmarinic acid derivative Rosmarinic acid 0.09 ± 0.00
63 Rosmarinic acid derivative Rosmarinic acid 0.01 ± 0.00
64 Rosmarinic acid derivative Rosmarinic acid 1.30 ± 0.16
66 Rosmarinic acid derivative Rosmarinic acid 0.09 ± 0.00
Hydroxybenzoic acids c 0.61 ± 0.08
Hydroxycinnamic acids 3.00 ± 0.36
Caffeoylquinic acids 3.06 ± 0.27
Hydroxyphenylpropanoic acids 0.99 ± 0.10
Rosmarinic acid derivatives 230.50 ± 13.5
Salvianolic acids 14.70 ± 1.19
Flavones 0.53 ± 0.02
Flavonols 0.01 ± 0.00
Flavanones 0.04 ± 0.01
Total Phenolics 262.97 ± 15.90

a See Table 1 for peak assignment; b Quantified by comparison with its corresponding standard; c hydroxybenzoic acids include compound 5 and 7; hydroxycinnamic acids, compounds 8, 14, 16, and 18; caffeoylquinic acids, 11, 17, and 22; hydroxyphenylpropanoic acids, 4, 9, 24, and 5355; rosmarinic acid derivatives, 20, 21, 25, 28, 32, 37, 38, 40, 41, 45, 47, 52, 56, 6164, and 66; salvianolic acids, 15, 26, 30, 35, 39, 42, 44, 46, 49, 51, 58, and 60; flavones, 31, 33, 34, and 57; flavonols, 29; and flavanones, 36. Mean (n = 3) ± SD.