Results 11 to 20 of about 3,781 (264)
Update on Opium Alkaloids in Food: Exploring Their Occurrence, Effect of Culinary Processing and Advances in Analytical Methodologies. [PDF]
ABSTRACT Following the implementation of the new European legislation on opium alkaloids (OAs) in food in 2023, scientific research has focused on developing analytical methodologies to determine the presence of these compounds in different foods. However, health authorities continue to suggest further studies to evaluate the occurrence of main OAs and
Casado-Hidalgo G +2 more
europepmc +2 more sources
Traces of Use: Uncovering Drug Use Insights From Paraphernalia Analysis. [PDF]
ABSTRACT Introduction The residue analysis of disposed paraphernalia from people who inject drugs is a novel way to discern drug taking behaviours. This study aimed to investigate the presence of conventional and novel psychoactive substances (NPS) in drug paraphernalia in South Australia.
Keller EL +5 more
europepmc +2 more sources
Chemiluminescence determination of pethidine hydrochloride and thebaine alkaloides [PDF]
The aim of this work was finding new flurescent dyes as sensitizers for chemiluminescence (CL) determination some of narcotics. In this way 6 different dyes incloding rhodamine 6G, brilliant blue, orange G, chromatrope, eosinY and [Ru(phen)3]2+ and 14 ...
Massoud Karimi +2 more
doaj +1 more source
Synthesis of sulfide-and disulfide-type bisaporphines from thebaine
Miklós Tóth +3 more
doaj +3 more sources
Abstract Organic residue analysis was conducted on various vessels from burials at Tel Yehud, Israel. The analyses led to new reliable evidence for the presence of opioid alkaloids and their decomposition products. This research revitalizes a decades‐old discussion on the presence and function of the opium trade across a cultural region of utmost ...
Vanessa Linares +5 more
wiley +1 more source
Modification of Gene Expression Involved in Alkaloid Production in Opium Poppy by VIGS Combined With Pretreatment of Macerozyme Enzyme. [PDF]
ABSTRACT Papaver somniferum L., a medicinal plant renowned for its pharmaceutical alkaloids, has captivated scientific interest due to its rich secondary metabolite profile. This study explores a novel approach to manipulating alkaloid biosynthesis pathways by integrating virus‐induced gene silencing (VIGS) with macerozyme enzyme pretreatment ...
Özcan DE +4 more
europepmc +2 more sources
Pharmacological Action of Thebaine Derivative
Shuh fang Yuan
openalex +3 more sources
Investigation of Alkaloids in Opium Poppy (Papaver somniferum L.) Varieties and Hybrids
This study aimed to investigate the proportions of morphine, thebaine, noscapine, codeine, oripavine and papaverine alkaloids in poppy varieties and hybrids. Nine parents and 36 hybrid lines were used in the trial.
Levent Yazici, Güngör Yılmaz
doaj +1 more source
In this work, the thermal degradation of tropane and opium alkaloids was studied in samples of breadsticks prepared with corn flour, contaminated with seeds of Datura stramonium, and containing seeds of Papaver somniferum L.
Fernando L. Vera-Baquero +2 more
doaj +1 more source

