Results 61 to 70 of about 1,809 (150)

Comparison of Morphinan Alkaloids During Different Stages of Growth in the Medicinal Plant Opium Poppy (Papaver somniferum L.)

Journal of Medicinal Plants, 2012
Background: Opium poppy contains important pharmaceutical alkaloids such as Morphine, Codeine, Thebaine, Noscapine, Papaverine and Sanguinarine which are of a high economic value in pharmaceutical industries.
M Omidi, F Koohzadi, M Solouki, R Taghizad Farid, H Alizadeh   +4 more
doaj  

Papaver bracteatum Lindley: thebaine content in relation to plant development

, 1977
Four thebaine-rich varieties of P. bracteatum have been grown in the open over two seasons and the thebaine distribution in aerial parts examined to determine the most suitable source material for commercial production. The leaves contained only 0·1 to 0·
K Helliwell, J W Fairbairn
core   +1 more source

Fast and selective HPLC-DAD method for determination of pholcodine and related substances

Macedonian Journal of Chemistry and Chemical Engineering, 2011
Quality control of pharmaceuticals requires development of fast, efficient and reliable methods for determination of active compounds as well as known and very often unknown impurities within defined concentration ranges. In this work, a simple and rapid
Ana Petkovska, Hristina Babunovska, Marina Stefova   +2 more
doaj   +1 more source

ALKALOIDS OF PAPAVERACEAE (XVI) [I]. ALKALOIDS OF PAPAVER FUGAX POPULATION TAROM [PDF]

Journal of Sciences, Islamic Republic of Iran, 1997
Papaverfugax Poiret population Tarom was shown to contain one major alkaloid, mecamberine (0.4%), and six minor alkaloids, roemerine, pronuciferine, protopine, thebaine, nornuciferine and salutaridine.
doaj  

Chemometric approach for development, optimization and validation of HILIC methods used for the determination of alkaloids from poppy straw

Macedonian Journal of Chemistry and Chemical Engineering, 2014
Two hydrophilic interaction liquid chromatography (HILIC) methods for simultaneous determination of the major alkaloids (morphine, codeine, thebaine, oripavine, papaverine and noscapine) in opium poppy straw (Papaver somniferum L., Papaveraceae) were ...
Jelena Acevska, Gjoshe Stefkov, Natalija Nakov, Rumenka Petkovska, Liljana Ugrinova, Svetlana Kulevanova, Aneta Dimitrovska   +6 more
doaj   +1 more source

Alkaloid Accumulation and Distribution within the Capsules of Two Opium Poppy (Papaver somniferum L.) Varieties

Plants
The goal of this study was to clarify the role of capsule size and morphology in the alkaloid yield of poppy. In 2023, two industrial varieties from large-scale cultivation were investigated.
Péter Májer, Éva Zámboriné Németh
doaj   +1 more source

Thebaine is selectively demethylated by Thebaine 6-O-demethylase and Codeine-3-O-demethylase at distinct binding sites: A computational study

, 2021
Two homologous 2-oxoglutarate-dependent (ODD) nonheme enzymes thebaine 6-O-demethylase (T6ODM) and codeine-3-O-demethylase (CODM), are involved in the morphine biosynthesis pathway from thebaine, catalyzing the O-demethylation reaction with precise ...
Li, Chun, Singh, Warispreet, Huang, Meilan; id_orcid, Hui, Chenggong   +3 more
core   +1 more source

Transient Expression of cor Gene in Papaver somniferum

BioImpacts, 2011
Introduction: Papaver somniferum is the commercial source of morphine and codeine. The isolation of effective genes involved in the morphine biosynthesis of P.
Bahman Hosseini, Farajollah Shahriari-Ahmadi, Haleh Hashemi, Mohammad-Hasan Marashi, Mahdi Mohseniazar, Alireza Farokhzad, Masoume Sabokbari   +6 more
doaj   +1 more source

Direct and Simple O-Demethylation of Thebaine to Oripavine

, 2016
Direct and Simple O-Demethylation of Thebaine to ...
Andrew Coop (1416964), Kenner C. Rice (1321671), John W. Lewis (1290534)   +2 more
core   +1 more source

Literary investigation on the origin of poppy and other narcotics Research Articles

Journal of Pharmacopuncture, 2009
Objectives : This study was performed to developing orally administered analgesics and locally injected pharmacopuncture analgesics like opioids. Methods : Literary investigation on the origin of poppy (Papaver somniferum L) and other narcotics was ...
Lim Chung San, Han Young ju, Kang Kye Sung, Lee Kwang Ho, Kim Doo Young , Kwon Ki Rok   +5 more
doaj   +1 more source