Results 71 to 80 of about 1,919 (204)

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

open access: yesJournal 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   +4 more
doaj  

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

open access: yesPlants
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

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

open access: yesMacedonian 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   +2 more
doaj   +1 more source

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

open access: yesJournal 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

open access: yesMacedonian 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   +6 more
doaj   +1 more source

In-vitro Characterizing of Thebaine Inhibition on Salutaridinol-7-O-acetyltransferase in Morphine Biosynthesis

open access: yes
Opiates, such as morphine, have been used for medicinal purposes throughout human history. These bioactive compounds are produced in the opium poppy (Papaver somniferum) through complex biosynthetic pathways. This study aimed to characterize the in-vitro
Kapasi, Moiz Shabbir
core   +1 more source

Transient Expression of cor Gene in Papaver somniferum

open access: yesBioImpacts, 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   +6 more
doaj   +1 more source

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

open access: yesJournal 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   +5 more
doaj   +1 more source

Determination of the kinetic characteristics of the heterogeneous reaction of dissociation of thebaine molecules on the surface of oxidized molybdenum [PDF]

open access: yes, 2023
Dissociative surface ionization of С19Н21О3N thebaine molecules with m/z 311 has been studied under unified conditions of nonstationary processes of surface ionization on the surface of oxidized molybdenum using unsteady methods of voltage modulation and
Z.R. Norboyeva   +2 more
core  

Determination of indirect heroin biomarkers in biological samples of heroin users

open access: yesForensic Science International: Reports
Heroin use is responsible for many drug-related deaths, so the determination of its biomarkers, except for 6-acetylmorphine, in biological samples, is of particular concern in toxicological laboratories worldwide, for a better investigation of these ...
Chrysoula Karakasi   +6 more
doaj   +1 more source

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