TABLE 1.
Peak area of six common peaks identified by ultra‐high‐performance liquid chromatography (UPLC)
| Sample | Peak area of each compound | |||||
|---|---|---|---|---|---|---|
| a | b | c | d | e | f | |
| t R (min) | 18.39 | 18.63 | 23.48 | 24.07 | 24.41 | 25.42 |
| S1 | 1563 | 980 | 1112 | 605 | 328 | 464 |
| S2 | 1667 | 1302 | 2053 | 595 | 331 | 587 |
| S3 | 1362 | 985 | 972 | 377 | 265 | 325 |
| S4 | 1497 | 1116 | 1093 | 505 | 293 | 339 |
| S5 | 2644 | 2228 | 1850 | 2023 | 893 | 445 |
| S6 | 3553 | 2351 | 2366 | 1620 | 1311 | 248 |
| S7 | 951 | 660 | 887 | 745 | 263 | 468 |
| S8 | 2487 | 2395 | 2003 | 1381 | 818 | 326 |
| S9 | 3208 | 2890 | 2059 | 1263 | 663 | 298 |
| S10 | 2819 | 2497 | 2165 | 1598 | 709 | 303 |
| S11 | 3758 | 1941 | 2231 | 1302 | 688 | 220 |
| S12 | 1895 | 1323 | 1192 | 911 | 557 | 421 |
| S13 | 2243 | 1706 | 1518 | 1039 | 701 | 357 |
| S14 | 2106 | 1979 | 1445 | 1066 | 669 | 327 |
| S15 | 2928 | 1431 | 1567 | 1116 | 843 | 283 |
| S16 | 2796 | 1367 | 1791 | 1078 | 1137 | 434 |
| S17 | 1891 | 1483 | 1095 | 890 | 598 | 498 |
| S18 | 2531 | 2193 | 1955 | 1128 | 938 | 470 |
| RSD% | 33.41 | 36.37 | 30.53 | 41.87 | 45.93 | 66.17 |
RSD = σ/μ × 100; RSD, relative standard deviation; σ, standard deviation; μ, average value of peak area. (a) Ginsenoside Rg1, (b) ginsenoside Re, (c) ginsenoside Rb1, (d) ginsenoside Rc, (e) ginsenoside Ro, (f) ginsenoside Rd.