Table 4.
Levels of Mitragynine in Kratom Products.
| Product # | Mitragynine (mg/g) | Opioid Screen | Benzodiazepine Screen |
|---|---|---|---|
| 1 | 3.99 | ND | ND |
| 1A | 3.35 | ND | ND |
| 2 | 11.33 | ND | ND |
| 2A | 8.03 | ND | ND |
| 3 | 10.13 | ND | ND |
| 3A | 9.99 | ND | ND |
| 4 | 4.55 | ND | ND |
| 4A | 9.25 | ND | ND |
| 5 | 8.16 | ND | ND |
| 5A | 10.05 | ND | ND |
| 6 | 7.54 | ND | ND |
| 6A | 8.00 | ND | ND |
| 7 | 59.76 | ND | ND |
| 7A | 60.36 | ND | ND |
| 8 | 9.34 | ND | ND |
| 8A | 10.12 | ND | ND |
Two separate samples of each product were analyzed for levels of the mitragynine as described in the Methods section. Numerical values indicate mg of mitragynine per g of raw product. Note that the values for the replicate samples are generally in excellent agreement with each other. Sample #7 was a concentrated kratom extract. ND: not detected.