Results 61 to 70 of about 2,640 (185)

Foodborne Carcinogens: Formation Pathways, Health Risks, and Cutting‐Edge Physical and Chemical Prevention Strategies

open access: yeseFood, Volume 7, Issue 3, June 2026.
This review highlights the formation of foodborne carcinogens during processing and evaluates different mitigation strategies, including natural antioxidants and modern cooking techniques, to reduce associated cancer risks and enhance food safety. ABSTRACT Food processing methods, though vital for improving food safety, taste, and shelf life, can ...
Naglaa S. Ashmawy   +4 more
wiley   +1 more source

Synthesis of 1-Substituted Carbazolyl-1,2,3,4-tetrahydro- and Carbazolyl-3,4-dihydro-β-carboline Analogs as Potential Antitumor Agents

open access: yesMarine Drugs, 2011
A series of 1-substituted carbazolyl-1,2,3,4-tetrahydro- and carbazolyl-3,4-dihydro-b-carboline analogs have been synthesized and evaluated for antitumor activity against human tumor cells including KB, DLD, NCI-H661, Hepa, and HepG2/A2 cell lines. Among
Ji-Wang Chern   +7 more
doaj   +1 more source

Harmaline Tremor: Underlying Mechanisms in a Potential Animal Model of Essential Tremor

open access: yesTremor and Other Hyperkinetic Movements, 2012
Background: Harmaline and harmine are tremorigenic β-carbolines that, on administration to experimental animals, induce an acute postural and kinetic tremor of axial and truncal musculature.
Adrian Handforth
doaj   +1 more source

Pharmahuasca, anahuasca y vino de jurema

open access: yesCultura y Droga, 2001
Este resumen es presentado de un auto-experimentos humano o bioensayo psiconáutico de pharmahuasca -cápsulas que contienen NN-dimethyltryptamina cristalina (DMT) más harmina, así como una combinación de otras triptaminas psicoactivas con otros 13 ...
Jonathan Ott, Mariela Nárvaez Marin
doaj  

Pd(II)-catalyzed C–H annulation and lactonization of indole-2-carboxamides with hydroxyalkynoates using air as an oxidant

open access: yesTetrahedron Chem
A novel palladium(II) catalyzed C–H annulation strategy has been developed for the synthesis of a diverse range of furo[3′,4':5,6]pyrido[3,4-b]indole-1,5(3H)-dione scaffolds. This is the first report on the construction of polycyclic carboline frameworks
Kiran Aswale   +3 more
doaj   +1 more source

Effects of harmane, norharmane and harmine on apomorphine-induced pecking behavior in chick

open access: yesJournal of Mazandaran University of Medical Sciences, 2009
.(Received 3 January, 2009; Accepted 27 May, 2009)AbstractBackground and purpose: -carboline alkaloids, also known as harmala's alkaloids have a wide spectrum of pharmacological actions including a stimulatory action on release of dopamine and other ...
Davood Farzin, Elika Salimi
doaj  

Manganese dioxide mediated one-pot synthesis of methyl 9H-pyrido[3,4-b]indole-1-carboxylate: Concise synthesis of alangiobussinine

open access: yesBeilstein Journal of Organic Chemistry, 2011
The carboline ring system is an important pharmacophore found in a number of biologically important targets. Development of synthetic routes for the preparation of these compounds is important in order to prepare a range of analogues containing the ...
Jessica Baiget   +5 more
doaj   +1 more source

HETEROCYCLIC SYNTHESIS USING NITRILIMINES: PART 18. SYNTHESIS OF NEW FUSED HETEROCYCLES CONTAINING TRIAZINONE MOIETY

open access: yesMakara Seri Sains, 2011
A series of new 4,5-dihydro-6-oxo-1,2,4-triazino[4,5-b]1,2,3,4-tetrahydro-β-carbolines were synthesized by the reactionof methyl 1,2,3,4-tetrahydro-β-carboline-3-carboxylate and the appropriate hydrazonoyl halide in presence oftriethylamine.
Hany Mahmod Dalloul
doaj  

A Structure–Activity Relationship Study of Trypargine and Opacaline β-Carbolines

open access: yesMarine Drugs
The marine environment represents a rich source of novel antimicrobial compounds. This study investigated the isolation and synthesis of antimicrobial agents from the New Zealand ascidian Pseudodistoma opacum to identify natural products and derivatives ...
Dan Chen   +4 more
doaj   +1 more source

Design and Synthesis of Fluorescent 1,3-Diaryl-β-carbolines and 1,3-Diaryl-3,4-dihydro-β-carbolines

open access: yesACS Omega, 2021
JiYang Pu   +5 more
doaj   +1 more source

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