Results 81 to 90 of about 84,269 (200)
Molecular docking study of Papaver alkaloids to some alkaloid receptors [PDF]
Research Journal of Pharmacognosy, 2017 Background and objectives: More than 40 different alkaloids have been obtained from opium the most important of which are morphine, codeine, papaverine, noscapine and tabaine.
A. Nofallah +3 more
doaj
Nonconventional Techniques in Plant Alkaloid Extraction: A Decade of Progress (2014–2023)
Chemistry &Biodiversity, Volume 22, Issue 8, August 2025.This figure seeks to represent the evolution of the different unconventional approaches that were adopted for the extraction of plant‐derived alkaloids during the decade from 2014 to 2023. ABSTRACT Plant metabolism encompasses primary and secondary pathways, with secondary metabolism yielding diverse natural products crucial for plant adaptation and ...
Victor Menezes Sipoloni +5 more
wiley +1 more source
Counterproductive counternarcotic strategies? A study of the effects of opium eradication in the presence of imperfect capital markets and sharecropping arrangements [PDF]
In this paper, we model the economic incentives surrounding opium crop production at farm level in Afghanistan. Specifically, we examine the impact of eradication policies when opium is used as a means of obtaining credit, and when the crops are produced
Andersson, Camilla
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Analysis of Nicotine or Opium Alkaloids in Historical Pharmaceutical Relics from 18th Century
, 2020 Belianský M.: Analysis of Nicotine or Opium Alkaloids in Historical Pharmaceutical Relics from 18th Century. Bachelor Thesis. Prague, Charles University, Faculty of Science 2020.
Belianský, Michal
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Some features of opium addiction
, 1910 A pamphlet covering the symptoms of opium ...
Purdy, K. F.
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Second Opium Conference : convention protocol. [PDF]
, 1928 Conference proceedings of the League of Nations\u27 Second Opium Conferencehttps://digitalrepository.trincoll.edu/eastbooks/1033/thumbnail ...
Opium Conference Geneva, Switzerland) 1924-1925 : (2nd :
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This database includes Table 1. Recovery percentages (% ± SD) for tropane (10 µg/kg) and opium alkaloids (1500 µg/kg) in commercial crackers using SBA-15-SO3H-CN material as sorbent in solid-phase extraction (SPE); Table 2.
Sierra Alonso, Isabel +5 more
core +1 more source
Chemiluminescence detection of opium poppy (Papaver somniferum) alkaloids
, 2008 A review with 98 references. The determination of the opium poppy (Papaver somniferum) alkaloids and their semi-synthetic derivatives has important applications in industrial process monitoring, clinical analysis and forensic science.
Jason Costin (20013828) +5 more
core +1 more source
The relationship of physico-chemical properties and structure to the differential antiplasmodial activity of the cinchona alkaloids. [PDF]
, 2003 BACKGROUND: The 8-amino and 9-hydroxy substituents of antimalarial cinchona alkaloids have the erythro orientation while their inactive 9-epimers are threo.
Meyer David J +14 more
core +1 more source