For example, pseudoephedrine and norephedrine
were removed from the list in 2003 but in 2013, the first substance was reintroduced with a different dosage.
Ephedra species contain alkaloids of biological relevance: E, PE, norephedrine
, norpseudoephedrine, methylephedrine, and methylpseudoephedrine.
3,7] Fresh khat contains an average of 36 mg cathinone, 120 mg cathine, and 8 mg norephedrine
per 100 g of leaves.
The main components of khat are cathinone ([alpha]-aminopropiophenone), cathine (norpseudoephedrine), and norephedrine
Cathinone is not very stable and breaks down to produce cathine and norephedrine
which belong to the phenylpropanolamine family, a subset of the phenethylamines and the catecholamines adrenaline and noradrenaline.
Keywords: Saccharomyces cerevisiae, biotransformation, L-PAC, benzaldehydeINTRODUCTIONPhenylacetylcarbinol (L-PAC) or a-hydroxy-benzyl methyl ketone is an important intermediate for the production of L-ephedrine, norephedrine
, pseudoephedrine, nor-pseudoephedrine, amphetamine, adrenaline, phenylpropanolamine methamphetamine and phenyl-amine (Abourashedet al.
El-Shazly and co-workers in 2005 isolated norephedrine
(81), ammodendrine (82) and haloxynine (83) from H.
MIBG is a structural and functional analogue of norephedrine
, taken up by adrenergic neoplasms including phaeochromocytomas, neuroblastomas and paragangliomas Whole-body imaging allows the detection of multifocal disease, extra-adrenal phaeochromocytomas (paragangliomas), metastatic disease and residual/ recurrent tumour.
The ban included any dietary supplements that contain Ephedra, ephedrine, norephedrine
, ma huang, Sida cordifolia, or pinellia (Richter 2003).
The chief active ingredients in khat are cathinone, cathine, and norephedrine
Poor detection of MAMP exposure prompted our laboratory to investigate 3 potential alternative meconium biomarkers of prenatal MAMP exposure: p-hydroxymethamphetamine (pOHMAMP), p-hydroxyamphetamine (pOHAMP), and norephedrine