Table 7. Analysis of commercially available samples.
Sample name | Number | Copy number (copies/μL) | Average value (copies/μL) | Adulteration mass ratio (%) | ||
---|---|---|---|---|---|---|
#1 | #2 | #3 | ||||
Sweet potato starch | 1 | 331 | 348 | 305 | 328 | 10.28 |
2 | 237.1 | 233.5 | 262 | 244.2 | 7.89 | |
3 | 0 | 0 | 0 | 0 | 0 | |
4 | 0 | 0 | 0 | 0 | 0 | |
5 | 0 | 0 | 0 | 0 | 0 | |
6 | 0 | 0 | 0 | 0 | 0 | |
7 | 186 | 193.1 | 190.6 | 189.9 | 6.34 | |
8 | 0 | 0 | 0 | 0 | 0 | |
9 | 0 | 0 | 0 | 0 | 0 | |
10 | 0 | 0 | 0 | 0 | 0 | |
11 | 129 | 136 | 131 | 132 | 4.69 | |
12 | 0 | 0 | 0 | 0 | 0 | |
13 | 0 | 0 | 0 | 0 | 0 | |
14 | 132.3 | 133.1 | 139 | 134.8 | 4.77 | |
15 | 383 | 434 | 407 | 408 | 12.57 | |
16 | 0 | 0 | 0 | 0 | 0 | |
17 | 0 | 0 | 0 | 0 | 0 | |
18 | 1263 | 1336 | 1235 | 1278 | 37.38 | |
19 | 449 | 412 | 456 | 439 | 13.45 | |
20 | 0 | 0 | 0 | 0 | 0 | |
21 | 0 | 0 | 0 | 0 | 0 | |
22 | 468 | 442 | 473 | 461 | 14.07 | |
23 | 0 | 0 | 0 | 0 | 0 | |
24 | 109 | 96 | 107 | 104 | 3.89 | |
25 | 439 | 445 | 454 | 446 | 13.65 | |
26 | 0 | 0 | 0 | 0 | 0 | |
27 | 0 | 0 | 0 | 0 | 0 | |
28 | 0 | 0 | 0 | 0 | 0 | |
29 | 0 | 0 | 0 | 0 | 0 | |
30 | 0 | 0 | 0 | 0 | 0 | |
Potato starch | 1 | 302 | 290 | 326 | 306 | 9.65 |
2 | 152 | 161 | 152 | 155 | 5.35 | |
3 | 0 | 0 | 0 | 0 | 0 | |
4 | 307 | 273 | 269 | 283 | 9.0 | |
5 | 0 | 0 | 0 | 0 | 0 | |
6 | 0 | 0 | 0 | 0 | 0 | |
7 | 218 | 191 | 188 | 199 | 6.60 | |
8 | 0 | 0 | 0 | 0 | 0 | |
9 | 0 | 0 | 0 | 0 | 0 | |
10 | 0 | 0 | 0 | 0 | 0 | |
11 | 139.5 | 125.1 | 127.2 | 130.6 | 4.65 | |
12 | 0 | 0 | 0 | 0 | 0 | |
Corn starch | 1 | 0 | 0 | 0 | 0 | 0 |
2 | 331 | 325 | 337 | 331 | 10.37 | |
3 | 0 | 0 | 0 | 0 | 0 | |
4 | 0 | 0 | 0 | 0 | 0 | |
5 | 0 | 0 | 0 | 0 | 0 | |
6 | 0 | 0 | 0 | 0 | 0 | |
7 | 253 | 231 | 227 | 237 | 7.68 | |
8 | 0 | 0 | 0 | 0 | 0 |