Table 1.
Mineral contents in the D. officinale collected from 10 geographical locations in China
| Location | Ti (μg g−1) | V (μg g−1) | Cr (μg g−1) | Mn (μg g−1) | Fe (μg g−1) | Ni (μg g−1) | Zn (μg g−1) | Ba (μg g−1) | REEs (μg g−1) |
|---|---|---|---|---|---|---|---|---|---|
| Xingyi | 11.07 ± 2.23 | 7.45 ± 1.27 | 2.38 ± 1.02 | 102.89 ± 15.79 | 356.28± | 2.54 ± 0.29 | 97.69 ± 15.52 | 7.94 ± 1.25 | 0.54 ± 0.14 |
| Shaoguan | 14.37 ± 3.25 | 9.87 ± 2.35 | 2.36 ± 0.98 | 884.95 ± 23.36 | 273.98 ± 12.87 | 4.72 ± 0.45 | 330.89 ± 25.98 | 30.87 ± 6.54 | 0.25 ± 0.04 |
| Yulin | 14.87 ± 3.45 | 12.37 ± 2.48 | 2.85 ± 0.87 | 82.48 ± 9.34 | 779.56 ± 23.56 | 4.59 ± 0.88 | 365.85 ± 23.96 | 10.65 ± 2.12 | 0.56 ± 0.14 |
| Xinanjiang | 7.30 ± 1.23 | 6.67 ± 1.56 | 1.89 ± 0.28 | 117.96 ± 10.69 | 225.32 ± 15.29 | 2.65 ± 0.57 | 125.01 ± 12.56 | 18.68 ± 2.54 | 0.25 ± 0.09 |
| Menghai | 17.06 ± 3.56 | 11.17 ± 2.56 | 2.45 ± 0.56 | 492.01 ± 14.78 | 265.89 ± 20.65 | 4.69 ± 0.59 | 288.75 ± 25.12 | 18.62 ± 4.98 | 0.37 ± 0.08 |
| Simao | 12.25 ± 2.89 | 6.78 ± 2.06 | 3.37 ± 0.98 | 455.47 ± 23.25 | 115.87 ± 23.69 | 1.05 ± 0.32 | 26.58 ± 5.21 | 8.56 ± 1.25 | 0.23 ± 0.08 |
| Honghe | 13.10 ± 3.23 | 10.56 ± 2.25 | 3.43 ± 0.96 | 178.02 ± 12.58 | 137.89 ± 19.36 | 0.76 ± 0.12 | 7.39 ± 2.14 | 10.63 ± 1.28 | 0.25 ± 0.06 |
| Yuxi | 12.57 ± 3.69 | 6.45 ± 1.45 | 3.21 ± 0.87 | 275.74 ± 13.47 | 99.59 ± 9.87 | 0.87 ± 0.21 | 27.27 ± 9.07 | 10.87 ± 2.14 | 0.13 ± 0.02 |
| Wenshan | 11.25 ± 2.25 | 5.37 ± 1.45 | 3.23 ± 0.75 | 437.25 ± 25.12 | 98.89 ± 13.65 | 0.84 ± 0.24 | 27.80 ± 6.98 | 17.25 ± 2.36 | 0.23 ± 0.06 |
| Dehong | 12.09 ± 3.26 | 11.12 ± 2.24 | 3.58 ± 0.76 | 30.35 ± 8.96 | 138.98 ± 13.67 | 0.61 ± 0.14 | 5.08 ± 0.97 | 13.51 ± 3.12 | 0.17 ± 0.05 |
The concentration is a sum of elements. REE included: scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium
REE rare earth element