7-Hydroxymitragynine Is an Active Metabolite of Mitragynine and a Key Mediator of Its Analgesic Effects. [PDF]
ACS Cent Sci, 2019 Mitragynina speciosa , more commonly known as kratom, is a plant native to Southeast Asia, the leaves of which have been used traditionally as a stimulant, analgesic, and treatment for opioid addiction. Recently, growing use of the plant in the United States and concerns that kratom represents an uncontrolled ...
Kruegel AC +12 more
europepmc +13 more sources
Human Mitragynine and 7-Hydroxymitragynine Pharmacokinetics After Single and Multiple Daily Doses of Oral Encapsulated Dried Kratom Leaf Powder [PDF]
MoleculesKratom leaves, consumed by millions worldwide as tea or ground leaf powder, contain multiple alkaloids, with mitragynine being the most abundant and responsible for most effects.
Martin Brett, Marilyn Huestis
exaly +8 more sources
Screening and Identification of Mitragynine and 7-Hydroxymitragynine in Human Urine by LC-MS/MS [PDF]
Chromatography, 2015 Kratom is a tree planted in Southeast Asia, including Thailand, Malaysia, Myanmar (Burma) and elsewhere in the region. A long history of usage and abuse of kratom has led to the classification of kratom as a controlled substance in its native Thailand and other Southeast Asian countries.
Hanzhuo Fu
exaly +3 more sources
Unveiling 7-Hydroxymitragynine as the Key Active Metabolite of Mitragynine and the Promise for Creating Novel Pain Relievers. [PDF]
ACS Cent Sci, 2019 A metabolism-dependent mechanism helps to understand mitragynine’s opioid pharmacology and its analgesic activity.
Spetea M, Schmidhammer H.
europepmc +4 more sources
Electrical breakdown in liquid-phase processing on an enhancement of 7-hydroxymitragynine conversion from mitragynine in Mitragyna speciose (Kratom). [PDF]
HeliyonThis study investigates the impact of the Electrical Breakdown in Liquid-phase (EBL) process on alkaloid transformation in Mitragyna speciose (Kratom) leaves, focusing on the conversion of mitragynine (MG) to 7-hydroxy mitragynine (7-OH-MG) by using advanced oxidation processes (AOPs).
Samee W +7 more
europepmc +5 more sources
Elevated 7-Hydroxymitragynine Levels Found in Products Misbranded as Kratom. [PDF]
J AOAC IntAbstract Background The leaves of Mitragyna speciosa, commonly called kratom, have been consumed for centuries for their energizing and analgesic properties. Kratom has gained popularity in North America, with an estimated 16 million American consumers.
Brown PN, Chan M, Zhang X, Brendler T.
europepmc +3 more sources
Asymmetric Total Syntheses of Mitragynine, Speciogynine, and 7-Hydroxymitragynine
Chemical and Pharmaceutical Bulletin, 2022 A number of alkaloids found in Mitragyna species belonging to the Rubiaceae family have been shown to have potent biological activity such as analgesic properties. Here, we report the asymmetric total syntheses of mitragynine, speciogynine, and 7-hydroxymitragynine, which are classified as corynantheine-type monoterpenoid indole alkaloids, isolated ...
Hayato Ishikawa, Jukiya Sakamoto
exaly +3 more sources
7-Hydroxymitragynine and Nicotine Pouch Withdrawal Syndrome: A Case Report. [PDF]
CureusNovel psychoactive substances (NPSs) such as kratom and oral nicotine pouches present new challenges in clinical management, particularly regarding dependence and withdrawal. We report a case of severe withdrawal from concentrated 7-hydroxymitragynine (7-OH), a potent kratom alkaloid, and high-dose oral nicotine pouches, following long-term use in a ...
Sharma A, Nair BS, Pemminati S.
europepmc +4 more sources
Case Report: Treatment of Kratom Use Disorder With a Classical Tricyclic Antidepressant [PDF]
Frontiers in Psychiatry, 2021 Kratom or Mitragyna speciosa (Korth.) is an evergreen tree of the coffee family native to South-East Asia and Australasia. It is used by locals recreationally to induce stimulant and sedative effects and medically to soothe pain and opiate withdrawal ...
de Persis, Simone +13 more
core +3 more sources
The Lack of Contribution of 7-Hydroxymitragynine to the Antinociceptive Effects of Mitragynine in Mice: A Pharmacokinetic and Pharmacodynamic Study. [PDF]
Drug Metab Dispos, 2022 Kratom (Mitragyna speciosa), a Southeast Asian tree, has been used for centuries in pain relief and mitigation of opium withdrawal symptoms. Mitragynine (MTG), the major kratom alkaloid, is being investigated for its potential to provide analgesia without the deleterious effects associated with typical opioids.
Berthold EC +13 more
europepmc +3 more sources