Results 131 to 140 of about 33,429 (298)

A MassQL‐Based Framework for Rule‐Guided MS/MS Class‐Level Retrieval and Analog Discovery of Cannabinoids

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 16, 30 August 2026.
ABSTRACT Rationale Cannabinoids comprise a chemically diverse group of meroterpenoids whose extensive isomerism, variable side‐chain length, and frequent oxidative or rearranged derivatives lead to strongly overlapping yet characteristic MS/MS fragmentation patterns. In untargeted LC–MS/MS datasets, this combination of structural diversity and spectral
Julia Maia Galvão de Queiroz   +4 more
wiley   +1 more source

Glucuronidated Hydroxyphenylacetic and Hydroxyphenylpropanoic Acids as Standards for Bioavailability Studies with Flavonoids. [PDF]

open access: yesACS Omega
Janouchová V   +9 more
europepmc   +1 more source

Chemical synthesis and characterization of epicatechin glucuronides and sulfates: bioanalytical standards for epicatechin metabolite identification.

open access: yesJournal of Natural Products, 2013
Mingbao Zhang   +5 more
semanticscholar   +1 more source

Chitosan‐induced modulation of secondary metabolism and stress tolerance in Salvia rosmarinus under combined drought and heat stress

open access: yesJournal of the Science of Food and Agriculture, Volume 106, Issue 10, Page 5989-6001, 15 August 2026.
Abstract BACKGROUND Abiotic stresses, particularly drought and elevated temperatures, negatively affect plant physiological and metabolic processes. This study investigated the effects of drought, heat, and combined stress on Salvia rosmarinus (rosemary), and evaluated foliar‐applied chitosan as a biostimulant.
Inês Mansinhos   +6 more
wiley   +1 more source

Understanding the Role of Deconjugation of Phase II Metabolites in Wastewater: Implications for Wastewater-Based Epidemiology. [PDF]

open access: yesEnviron Sci Technol
Elliss H   +9 more
europepmc   +1 more source

Characterization of Grape Cane Stilbenoids and Their Photo‐Degradation Products by HPLC‐DAD Coupled With Trapped Ion Mobility Spectrometry and High‐Resolution Tandem Mass Spectrometry

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 15, 15 August 2026.
ABSTRACT Rationale Bioactive (E)‐stilbenoids in vine extracts are prone to light‐induced transformation into the respective (Z)‐isomers and further degradation products, often resulting in a loss of bioactivity. We sought to study stilbenoid degradation beyond that of the well‐researched resveratrol due to the high diversity of stilbenoids in nature ...
Paul Besrukow   +3 more
wiley   +1 more source

In Silico and In Vitro Evaluation of Quercetin Metabolites Binding to Inflammatory Target Proteins. [PDF]

open access: yesPharmaceuticals (Basel)
Yücer R   +6 more
europepmc   +1 more source

Intranasal Administration of Isoeugenol Improves Memory Deficits in APP/PS1 Old Mice—A Role Beyond Nrf2 Activation?

open access: yesThe FASEB Journal, Volume 40, Issue 15, 15 August 2026.
Inactivation of the Nrf2/Are pathway in AD leads to decreased antioxidant and anti‐inflammatory response and to the accumulation of beta‐amyloid (Aβ) plaques, resulting in cognitive failure. Treatment with Isoeugenol activates Nrf2, reversing these outcomes by promoting antioxidant response in neuronal cells (N2a) and by increasing the anti ...
Ana Silva   +14 more
wiley   +1 more source

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