Table 2.
Metabolite content in the examined phenolic-rich fractions, isolated from aerial parts of P. obscura and P. officinalis.
| No. | Compound Name | Contents [µg/mg of Fraction] (Mean ± SD, n = 3) | |
|---|---|---|---|
| P. obscura | P. officinalis | ||
| 1 | Danshensu | 2.40 ± 0.10 | 1.52 ± 0.06 |
| 2 | Menisdaurin | 16.36 ± 0.43 | 39.08 ± 1.56 |
| 3 | 3-O-(E)-caffeoyl-threonic acid | 1.18 ± 0.10 | 1.53 ± 0.05 |
| 4 | 2-O-(E)-caffeoyl-l-threonic acid | 3.34 ± 0.11 | 4.52 ± 0.14 |
| 5 | Lycoperodine-1 | Traces | 1.20 ± 0.04 |
| 6 | Chlorogenic acid | 4.87 ± 0.13 | 4.32 ± 0.11 |
| 7 | Actinidioionoside | Traces | Traces |
| 8 | Caffeic acid | Traces | 2.31 ± 0.11 |
| 9 | Cryptochlorogenic acid | 0.74 ± 0.03 | 0.22 ± 0.01 |
| 10 | 3’-O-(E)-feruloyl-α-sorbopyranosyl-(2’→1)-α-glucopyranoside | Traces | 0.45 ± 0.01 |
| 11 | 2-O-(E)-caffeoyl-d-glyceric acid | 1.24 ± 0.02 | 5.10 ± 0.14 |
| 12 | 4-O-(E)-caffeoyl-l-threonic acid | 1.50 ± 0.08 | 2.78 ± 0.07 |
| 13 | Neochlorogenic acid | 0.37 ± 0.01 | 0.04 ± 0.00 |
| 14 | 3-O-(E)-caffeoyl-glyceric acid | Traces | 2.08 ± 0.06 |
| 15 | 3-O-p-coumaroylquinic acid | 0.87 ± 0.03 | 2.29 ± 0.04 |
| 16 | 4-O-p-coumaroylquinic acid | Traces | Traces |
| 17 | 5-O-p-coumaroylquinic acid | 0.93 ± 0.04 | 1.88 ± 0.04 |
| 18 | Globoidnan B | 29.79 ± 4.46 | 24.16 ± 3.33 |
| 19 | Rutin | Traces | Traces |
| 20 | Nicotiflorin isomer | Traces | Traces |
| 21 | Quercetin 3-O-β-glucoside | 0.62 ± 0.01 | 0.33 ± 0.02 |
| 22 | Yunnaneic acid E | 27.32 ± 0.23 | 12.07 ± 0.33 |
| 23 | Quercetin 3-O-(6′′-O-malonyl)-β-glucoside | 4.10 ± 0.18 | 2.82 ± 0.15 |
| 24 | Nicotiflorin | Traces | Traces |
| 25 | Astragalin | Traces | Traces |
| 26 | Shimobashiric acid C | 7.46 ± 0.17 | 5.46 ± 0.17 |
| 27 | Rosmarinic acid | 301.46 ± 35.04 | 159.28 ± 17.09 |
| 28 | Kaempferol 3-O-(6′′-O-malonyl)-β-glucoside | 0.40 ± 0.08 | Traces |
| 29 | Monardic acid A | 42.99 ± 5.04 | 17.56 ± 2.77 |
| 30 | Yunnaneic acid E-1 | Traces | Traces |
| 31 | Lithospermic acid A | 80.13 ±6.44 | 44.20 ± 0.05 |
| 32 | Pulmonarioside A | Traces | Traces |
| 33 | Salvianolic acid H | 8.97 ± 0.82 | 26.23 ± 0.75 |
| 34 | Lithospermic acid B | NA | NA |
| 35 | Pulmonarioside B | 0.50 ± 0.03 | Traces |
| 36 | Yunnaneic acid B | 23.65 ± 0.52 | 22.65 ± 1.49 |
| 37 | Globoidnan A | 4.10 ± 0.17 | 0.57 ± 0.02 |
| 38 | Pulmitric acid A | Traces | Traces |
| 39 | Pulmitric acid B | Traces | Traces |
| 40 | Isosalvianolic acid A | Traces | Traces |
| 41 | Isosalvianolic acid A-1 | Traces | Traces |
| 42 | Isosalvianolic acid A isomer | Traces | Traces |
| 43 | Rosmarinic acid methyl ester | Traces | Traces |
| 44 | Salvianolic acid H-9′′-methylester | 3.87 ± 0.11 | 0.79 ± 0.02 |
| 45 | Lycopic acid C | NA | NA |
TR–traces, indicates level below the limit of quantification, NA–not analyzed, ND–not detected.