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Formula | C23H30N2O4 |
Molar mass | 398.503 g·mol−1 |
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Melting point | 104 °C[1] |
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Speciociliatine is a major alkaloid of the plant Mitragyna speciosa, commonly known as kratom. It is a stereoisomer of Mitragynine and constitutes 0.00156 - 2.9% of the dried leaf material.[2][3]
Speciociliatine has found to be a ligand of the mu and kappa opioid receptors, however findings are varied as to whether it functions as an agonist or a competitive antagonist at those sites.[4][5]
A preliminary pharmacokinetic analysis in male Sprague Dawley rats determined the elimination half-life of Speciociliatine to be 2.6 - 5 hours and the absolute bioavailability to be 20.7% (at an oral dose of 20 mg/kg).[6]