Results 31 to 40 of about 7,965 (217)
Background Opium poppy (Papaver somniferum) produces a diverse array of bioactive benzylisoquinoline alkaloids and has emerged as a model system to study plant alkaloid metabolism.
Vogel Hans J +3 more
doaj +1 more source
Introduction: The analysis of organic residue in ancient vessels to investigate early-age civilization habits is an important archeological application that needs advanced analytical methods. However, these procedures should meet inherent requisites such
Flaminia Vincenti +13 more
doaj +1 more source
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
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
Evaluation the Variation of Morphine Percentage in Different Turkish Opium Poppy (Papaver somniferum L.) Lines in Three Years [PDF]
Opium poppy (Papaver somniferum L.) has two major products: alkaloids in the capsules and the seeds. It is known that opium poppy today contains alkaloid in great quantities.
Amir Rahimi +2 more
doaj
Direct Ambient Mass Spectrometry for Food, Beverage, and Agricultural Sample Analysis and Research
ABSTRACT Ambient and direct mass spectrometry (MS) methods are becoming increasingly used for the rapid analysis of food, beverage and agricultural samples. Novel ionization approaches combined with targeted, or untargeted workflows provide analytical outcomes within a greatly reduced time period compared to traditional separation science coupled with ...
Leigh M. Schmidtke +3 more
wiley +1 more source
Determination of relative response factors of the opium alkaloids with HPLC-DAD [PDF]
In this work, a convenient method for determination of relative UV response factors (RRFs) of morphine, codeine, thebaine, oripavine, noscapine and papaverine by high performance liquid chromatography (HPLC) equipped with a diode array detector (DAD) was
Jelena Acevska +5 more
doaj
Taxonomy of plant genetic resources is an important input in characterising and evaluating cultivated plants and essential for identification and documentation of the diversity of genebank collections.
Lohwasser, Ulrike +2 more
doaj +1 more source
Changing Trends in the Use of Kratom (Mitragyna speciosa) in Southeast Asia [PDF]
This is the pre-peer reviewed version of the following article: Darshan Singh, Suresh Narayanan, Balasingam Vicknasingam, Ornella Corazza, Rita Santacroce, and Andres Roman-Urrestarazu, ‘Changing trends in the use of kratom (Mitragyna speciosa) in ...
Corazza, Ornella +5 more
core +2 more sources
This review highlights the characteristic odor markers of illicit drugs, emphasizing volatile markers from both natural and synthetic sources, and explores the shift from canine‐based detection to emerging noncontact sensing technologies. Illicit drug use remains a global concern, requiring effective detection methods to counter evolving concealment ...
Minwoo Kim +4 more
wiley +1 more source

