Results 151 to 160 of about 483,373 (407)

An integrated targeted and untargeted approach for the analysis of ergot alkaloids in cereals using UHPLC - hybrid quadrupole time-of-flight mass spectrometry [PDF]

open access: yes, 2015
An ultra-high performance liquid chromatography hybrid quadrupole time of flight (Q-TOF) mass spectrometry (MS) method is described for the simultaneous quantitative determination of common ergot alkaloids and the screening, detection and identification ...
Arroyo Manzanares, Natalia   +5 more
core   +2 more sources

Chemical and Biological Properties of Hymenaea courbaril L.: A Review

open access: yesChemistry &Biodiversity, EarlyView.
PRISMA‐style flowchart showing the screening process of studies identified and selected in the review has been added to the attachments. ABSTRACT Hymenaea courbaril L., commonly known as jatobá, is a plant traditionally used by native populations for medicinal purposes, in addition to providing edible fruits and durable wood for construction.
Cicera Alane Coelho Gonçalves   +6 more
wiley   +1 more source

Emerging Cytotoxic Alkaloids in the Battle against Cancer: Overview of Molecular Mechanisms

open access: yesMolecules, 2017
Considered as the second deadliest disease globally, cancer has captured the attention of researchers who have been trying with perseverance to decode its hidden aspects, to find new prognosis methods, and to develop better and more effective treatments.
Zeina S. Habli   +4 more
semanticscholar   +1 more source

Enzymatic one-step ring contraction for quinolone biosynthesis. [PDF]

open access: yes, 2018
The 6,6-quinolone scaffolds on which viridicatin-type fungal alkaloids are built are frequently found in metabolites that display useful biological activities.
Champagne, Pier Alexandre   +7 more
core  

Phenolic Profile and Bioactive Prospects of Wild Annona Species From Angola

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Annona species (Annonaceae family) are valued for their nutritional and medicinal importance, especially in traditional medicine. This study investigated the phenolic profiles of the Angolan Annona muricata, Annona squamosa, and Annona senegalensis leaves, stem barks, and seeds hydroethanolic, infusion, and decoction extracts, also evaluating ...
Josefa Rangel   +9 more
wiley   +1 more source

A computational study of the structures and base-pairing properties of pyrrolizidine alkaloid-derived DNA adducts

open access: hybrid, 2023
Mckenzie Franz   +7 more
openalex   +1 more source

Preliminary qualitative screening for cancer chemopreventive agents in Telfairia occidentalis Hook.f., Gnetum africanum Welw., Gongronema latifolium Benth. and Ocimum gratissimum L. from Nigeria [PDF]

open access: yes, 2009
The leaves of four plant foods commonly consumed in Nigeria namely Gnetum africanum (Igbo name: Ukazi), Gongronema latifolium (Igbo name: Utazi), Telfairia occidentalis (Igbo name: Ugu), Ocimum gratissimum (Igbo name: Nchoanwu), were each screened for ...
Iweala, E. E. J.
core  

Caffeine Content Assessment in Beverages and Food Supplements: Regulatory Challenges and Health Implications

open access: yesChemFoodChem, EarlyView.
ABSTRACT This study presents an analysis of caffeine content in food supplements and evaluates current regulatory frameworks against established safety guidelines. High‐caffeine products, particularly sports, and food supplements, were assessed for compliance with the safety opinion of the European Food Safety Authority (EFSA). The investigation during
Leonie Rinke   +3 more
wiley   +1 more source

Terpenoid indole alkaloid biosynthesis in Catharanthus roseus: effects and prospects of environmental factors in metabolic engineering [PDF]

open access: hybrid, 2021
Yongliang Liu   +8 more
openalex   +1 more source

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