Somsmorn Chittrakarn

Inhibitory effects of kratom leaf extract (Mitragyna speciosa Korth.) on the rat gastrointestinal tract

Somsmorn Chittrakarn, Kitja Sawangjaroen, Supaporn Prasettho et al. · Journal of Ethnopharmacology · 2007 · 78 citations

Inhibitory Effects, Gastrointestinal Pharmacology, Medicine +11

A high‐performance liquid chromatographic method for determination of mitragynine in serum and its application to a pharmacokinetic study in rats

Benjamas Janchawee, Niwat Keawpradub, Somsmorn Chittrakarn et al. · Biomedical Chromatography · 2007 · 74 citations

The neuromuscular blockade produced by pure alkaloid, mitragynine and methanol extract of kratom leaves (Mitragyna speciosa Korth.)

Somsmorn Chittrakarn, Niwat Keawpradub, Kitja Sawangjaroen et al. · Journal of Ethnopharmacology · 2010 · 66 citations

Kratom Leaves, Medicine, Herbal Medicine +8

Quantitative analysis of mitragynine, codeine, caffeine, chlorpheniramine and phenylephrine in a kratom (Mitragyna speciosa Korth.) cocktail using high-performance liquid chromatography

Somsmorn Chittrakarn, Pimpimol Penjamras, Niwat Keawpradub · Forensic Science International · 2011 · 56 citations

Medicine, Physiology, Quantitative Analysis +5

Neuromuscular blocking activity of methanolic extract of Piper sarmentosum leaves in the rat phrenic nerve-hemidiaphragm preparation

Wibool Ridtitid, Wattana Rattanaprom, Peerarat Thaina et al. · Journal of Ethnopharmacology · 1998 · 45 citations

Piper Sarmentosum, Medicine, Herbal Medicine +8