Results 51 to 60 of about 7,965 (217)

Investigation of the acid/base behaviour of the opium alkaloid thebaine in LC-ESI-MS mobile phase by NMR spectroscopy [PDF]

open access: yesRoyal Society Open Science, 2017
As part of a research programme to establish an analytical method for the simultaneous detection of the five major opium alkaloids in poppy seeds by liquid chromatography–electrospray ionization–mass spectrometry (LC-ESI-MS) it was discovered that the ...
Michelle G. Carlin   +3 more
doaj   +1 more source

Regulating khat - Dilemmas and opportunities for the international drug control system [PDF]

open access: yes, 2009
Background: The regulation of khat, one of the most recent psychoactive drugs to become a globally traded commodity, remains hotly contested within different producer and consumer countries.
Beckerleg, Susan   +2 more
core   +1 more source

Functional Foods Enriched With Bioactive Compounds: Therapeutic Potential and Technological Innovations

open access: yesFood Science &Nutrition, Volume 13, Issue 10, October 2025.
Functional foods enriched with bioactive compounds such as polyphenols, carotenoids, omega‐3 fatty acids, and probiotics provide therapeutic benefits through antioxidant, anti‐inflammatory, and gut‐modulating mechanisms. Advances in biotechnology and AI have improved screening, formulation, and delivery of these compounds in diverse food matrices ...
Zargull Arshad   +4 more
wiley   +1 more source

Thiol-reactive analogues of galanthamine, codeine and morphine as potential probes to interrogate allosteric binding within nAChRs [PDF]

open access: yes, 2016
Alkaloids including galanthamine (1) and codeine (2) are reported to be positive allosteric modulators of nicotinic acetylcholine receptors (nAChRs) but the binding sites responsible for this activity are not known with certainty.
Balle, Thomas   +3 more
core   +1 more source

Optimizing Health and Sustainability: Innovations in Harnessing Phytochemicals for Functional Foods

open access: yesFood Science &Nutrition, Volume 13, Issue 9, September 2025.
Advances in phytochemical extraction and integration into functional foods are reviewed. Phytochemicals help address cardiovascular, metabolic, and cognitive health challenges. Circular food systems and waste valorization enhance sustainable use of phytochemicals.
Faiyaz Ahmed   +3 more
wiley   +1 more source

History, Cultivation, and Adaptation of Papaver Species Globally

open access: yesTurkish Journal of Agriculture: Food Science and Technology
Türkiye has 27% of the World’s Papaver species in its flora, and 15 of them are endemic. Poppy (Papaver somniferum L.) is the most cultivated and economically significant species of the Papaver genus.
Yasin Özgen, Demet Burucu
doaj   +1 more source

Spartan Daily, October 27, 1937 [PDF]

open access: yes, 1937
Volume 26, Issue 25https://scholarworks.sjsu.edu/spartandaily/2665/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +3 more sources

The Drug Problem and Organized Crime, Illicit Financial Flows, Corruption and Terrorism [PDF]

open access: yes, 2017
An estimated quarter of a billion people, or around 5 per cent of the global adult population, used drugs at least once in 2015. Even more worrisome is the fact that about 29.5 million of those drug users, or 0.6 per cent of the global adult population ...

core   +1 more source

Population dynamics of stubby root nematodes (Trichodorus and Paratrichodorus spp.) associated with ‘Docking disorder’ of sugar beet (Beta vulgaris L.), in field rotations with cover crops in East England

open access: yesAnnals of Applied Biology, Volume 187, Issue 2, Page 177-191, September 2025.
This study evaluated the population dynamics of stubby root nematodes (SRN) in field rotations with cover crops and the subsequent effect of this rotation on sugar beet quality and quantity attributes. It was clear that the SRN densities under field conditions are influenced by multiple factors, such as the type of cover crops grown, soil disturbance ...
Nyambura G. Mwangi   +6 more
wiley   +1 more source

Current status of herbal and their future perspectives [PDF]

open access: yes, 2007
Traditional medicine is the synthesis of therapeutic experience of generations of practicing physicians of indigenous systems of medicine. Throughout the history of mankind, many infectious diseases have been treated with herbals.
Ponnampalam Gopalakrishnakone   +1 more
core   +1 more source

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