Results 91 to 100 of about 84,269 (200)

The role of beta-endorphin in horses: a review

Veterinární Medicína, 2011
Opium alkaloids counterparts are secreted by human and animal organisms but the role of endogenous opioid peptides in horses has not yet been fully elucidated.
M. Golynski, W. Krumrych, K. Lutnicki
doaj   +1 more source

Reduction of Morphine During Baking? Response: Commentary: Opium Alkaloids in Harvested and Thermally Processed Poppy Seeds. [PDF]

Front Chem, 2021
Kuntz M, Golombek P, Lachenmeier DW.
europepmc   +1 more source

Relations among alkaloids, cadmium and zinc contents in opium poppy (Papaver somniferum L.)

Plant, Soil and Environment, 2006
The effort of this work was to prove whether there exists any relation between stress factors caused by content of cadmium and zinc, and content and composition of opium alkaloids codeine, morphine, narcotine (noscapine) and papaverine contained in poppy
J. Lachman, A. Hejtmánková, D. Miholová, D. Kolihová, P. Tluka   +4 more
doaj   +1 more source

New Validated Method for the Determination of Six Opium Alkaloids in Poppy Seed-Containing Bakery Products by High-Performance Liquid Chromatography-Tandem Mass Spectrometry after Magnetic Solid-Phase Extraction. [PDF]

J Agric Food Chem, 2022
Casado-Hidalgo G, Martínez-García G, Morante-Zarcero S, Pérez-Quintanilla D, Sierra I.   +4 more
europepmc   +1 more source

Extraction of Alkaloids from Opium

, 2009
A method for extracting at least one alkaloid from opium that includes dissolving opium in a solvent, heating the dissolved opium solution, cooling the dissolved opium solution, adjusting the pH of the dissolved opium solution with at least one first ...
Tomazi, Keith
core   +1 more source

Genetic Characterization of Turkish Commercial Opium Poppy (Papaver somniferum L.) Cultivars Using ISSR and SSR Markers

Journal of New Results in Science, 2014
– Economically important plant opium poppy (Papaver somniferum L.) is a medicinal plant producing benzylisoquinoline alkaloids such as narcotic analgesic morphine and codeine, antimicrobial agent sanguinarine.
Gülşen Boztepe Güçlü, İskender Parmaksız, Mesut Koyuncu, Neşet Arslan, Tuğba Gürkök   +4 more
doaj  

Drugs and Violence in Afghanistan: A Panel VAR with Unobserved Common Factor Analysis [PDF]

This paper addresses the relationship between the level of violence and the opium market in Afghanistan’s provinces. We first provide an overview of the nature and extent of the Afghan drug trafficking.
Elia, Leandro, Bove, Vincenzo
core  

Variability of alkaloid content in Papaver somniferum L.

Journal of Applied Botany and Food Quality, 2012
A total of 300 accessions of opium poppy (Papaver somniferum L., Papaveraceae) of the IPK genebank collection from nearly all over the world were cultivated under field conditions in Gatersleben for morphological and phytochemical characterisation ...
A. Dittbrenner, H.-P. Mock, A. Börner, U. Lohwasser   +3 more
doaj  

Codeine 3-O-demethylase catalyzed biotransformation of morphinan alkaloids in Escherichia coli: site directed mutagenesis of terminal residues improves enzyme expression, stability and biotransformation yield

Journal of Biological Engineering
The cultivation of opium poppy is the only commercially viable source of most morphinan alkaloids. Bioproduction of morphinan alkaloids in recombinant whole-cell systems provides a promising alternate source of these valuable compounds.
Garrick W. K. Spencer, Xu Li, Kenny W. L. Lam, George Mutch, Fiona H. Fry, Sally L. Gras   +5 more
doaj   +1 more source

Improving the food safety of bakery products by simultaneously monitoring the occurrence of pyrrolizidine, tropane and opium alkaloids

This database includes the information of the samples used in the study, as well as the results obtained for the chromatographic separation of the tropane, pyrrolizidine and opium alkaloids using different gradients and mobile phases, followed by the ...
Sierra Alonso, Isabel, Vera Baquero, Fernando Leonardo, Casado Navas, Natalia, Morante Zarcero, Sonia   +3 more
core   +1 more source