Results 1 to 10 of about 7,926 (184)

Opium alkaloids, biosynthesis, pharmacology and association with cancer occurrence [PDF]

Open Biology, 2023
Papaver somniferum L. (Family: Papaveraceae) is a species well known for its diverse alkaloids (100 different benzylisoquinoline alkaloids (BIAs)). L-tyrosine serves as a precursor of several specific metabolites like BIAs.
Agrataben Vadhel, Sabreen Bashir, Ashiq Hussain Mir, Madhuri Girdhar, Deepak Kumar, Anil Kumar, Aradhana Mohan, Tabarak Malik, Anand Mohan   +8 more
doaj   +2 more sources

Opium Alkaloids in Harvested and Thermally Processed Poppy Seeds [PDF]

Frontiers in Chemistry, 2020
The opium alkaloids (morphine, codeine, thebaine, noscapine, and papaverine) have been detected on poppy seeds; they are widely used by the food industry for decoration and flavor but can introduce opium alkaloids into the food chain.
Michelle G. Carlin, John R. Dean, Jennifer M. Ames   +2 more
doaj   +2 more sources

Evaluation of Thermal Degradation of Tropane and Opium Alkaloids in Gluten-Free Corn Breadsticks Samples Contaminated with Stramonium Seeds and Baked with Poppy Seeds under Different Conditions [PDF]

Foods, 2022
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, Sonia Morante-Zarcero, Isabel Sierra   +2 more
doaj   +2 more sources

Update of the Scientific Opinion on opium alkaloids in poppy seeds [PDF]

EFSA Journal, 2018
Poppy seeds are obtained from the opium poppy (Papaver somniferum L.). They are used as food and to produce edible oil. The opium poppy plant contains narcotic alkaloids such as morphine and codeine.
EFSA Panel on Contaminants in the Food Chain (CONTAM), Helle Katrine Knutsen, Jan Alexander, Lars Barregård, Margherita Bignami, Beat Brüschweiler, Sandra Ceccatelli, Bruce Cottrill, Michael Dinovi, Lutz Edler, Bettina Grasl‐Kraupp, Christer Hogstrand, Laurentius (Ron) Hoogenboom, Carlo Stefano Nebbia, Isabelle P Oswald, Annette Petersen, Martin Rose, Alain‐Claude Roudot, Tanja Schwerdtle, Günter Vollmer, Heather Wallace, Diane Benford, Girolamo Calò, Albert Dahan, Birgit Dusemund, Patrick Mulder, Éva Németh‐Zámboriné, Davide Arcella, Katleen Baert, Claudia Cascio, Sara Levorato, Marijke Schutte, Christiane Vleminckx   +32 more
doaj   +2 more sources

Design and Optimisation of Sustainable Sample Treatments Based on Ultrasound-Assisted Extraction and Strong Cation-Exchange Purification with Functionalised SBA-15 for Opium Alkaloids in Ground Poppy Seeds [PDF]

Toxins, 2023
An analysis methodology was optimised and validated for the quantification of opium alkaloids (OAs) in ground poppy seeds. This involved ultrasound-assisted extraction (UAE) and solid-phase extraction (SPE) purification before analysis using a high ...
Gema Casado-Hidalgo, Sonia Morante-Zarcero, Damián Pérez-Quintanilla, Isabel Sierra   +3 more
doaj   +2 more sources

Mesostructured Silica-Coated Magnetic Nanoparticles to Extract Six Opium Alkaloids in Poppy Seeds Prior to Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry Analysis [PDF]

Foods, 2021
In recent years, health authorities have become increasingly concerned about preventing consumer exposure to opium alkaloids present in Papaver somniferum L. poppy seeds. In this study, a simple, rapid and efficient method has been optimised to determine
Gema Casado-Hidalgo, Damián Pérez-Quintanilla, Sonia Morante-Zarcero, Isabel Sierra   +3 more
doaj   +2 more sources

Application of Rice Husk-Derived SBA-15 Bifunctionalized with C18 and Sulfonic Groups for Solid-Phase Extraction of Tropane, Pyrrolizidine, and Opium Alkaloids in Gluten-Free Bread [PDF]

Foods
Rice husk (RH), a globally abundant agri-food waste, presents a promising renewable silicon source for producing SBA-15 mesoporous silica-based materials.
Fernando L. Vera-Baquero, Judith Gañán, Natalia Casado, Damián Pérez-Quintanilla, Sonia Morante-Zarcero, Isabel Sierra   +5 more
doaj   +2 more sources

Modulation of Blood Lead Level and Liver Function Tests in Iranian Opium Users [PDF]

International Journal of Preventive Medicine
Background: Opium users are at risk of lead poisoning. Therefore, this study aimed to compare opium users with healthy controls in terms of blood lead levels (BLLs), blood biochemistry, and liver function tests.
Mohammad Reza Eskandarion, Maryam Kohansal, Maral Chavoshi, Maryam Forutan, Raheb Ghorbani, Farid Heidari, Reza Azizian, Mehdi Norouzi, Bashir Nazparvar, Mohsen Tabasi, Maryam Akhgari   +10 more
doaj   +2 more sources

Network-based identification of hub transcription factors associated with benzylisoquinoline alkaloid biosynthesis in Papaver somniferum [PDF]

Biochemistry and Biophysics Reports
Papaver somniferum L. (Opium poppy) is one of the world's most economically valuable medicinal plants, and it is the industrial source of essential compounds such as painkillers and other pharmecutical drugs.
Mahsa Eshaghi, Sajad Rashidi-Monfared
doaj   +2 more sources

Determination of Opium Alkaloid Content in Poppy Seeds Using Liquid Chromatography Coupled with a Mass Spectrometer with a Time-of-Flight Analyzer (UPLC-TOF-HRMS) [PDF]

Foods
Opium poppy is a plant used in both the pharmaceutical and food industries. Substances found on the surface of dry poppy seeds belong to the group of opium alkaloids.
Agnieszka Zapaśnik, Adam Pierzgalski, Marcin Bryła   +2 more
doaj   +2 more sources