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Ergothioneine, a New Acrolein Scavenger at Elevated Temperature.
J Agric Food Chem
January 2025
Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, 2# Xuelin Road, Nanjing 210023, People's Republic of China.
Acrolein (ACR) present in vivo and in vitro can damage proteins and DNA, linking it to various chronic diseases. In this paper, ergothioneine (EGT), abundant in edible mushrooms, has been studied for its ability to trap ACR and its reaction pathway with ACR at high temperatures using ultraperformance liquid chromatography-mass spectrometry (UPLC-MS/MS). We synthesized the adducts (EGT-ACR-1 and EGT-ACR-2), elucidating their structure and reaction site through HRMS and nuclear magnetic resonance.
View Article and Find Full Text PDFDaphnids can safeguard the use of alternative bioassays to the acute fish toxicity test: A focus on neurotoxicity.
Environ Toxicol Chem
January 2025
Department of Environmental Toxicology (UTOX), Swiss Federal Institute of Aquatic Science and Technology, Eawag, Switzerland.
Assessment of potential impacts of chemicals on the environment traditionally involves regulatory standard data requirements for acute aquatic toxicity testing using algae, daphnids and fish (e.g., OECD test guidelines (TG) 201, 202, and 203, respectively), representing different trophic levels.
View Article and Find Full Text PDFCinnamaldehyde impacts key cellular signaling pathways for induction of programmed cell death in high-grade and low-grade human glioma cells.
BMC Res Notes
January 2025
Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, GA, 30332, USA.
Objective: Primary tumors of the brain and a large percent of malignant brain tumors are gliomas. Gliomas comprise high-grade gliomas like glioblastoma multiforme (GBMs), many of which have mutation in the tumor suppressor p53 gene and low-grade gliomas (LGGs). LGGs can progress to GBMs due to various factors.
View Article and Find Full Text PDFDFT Investigation of the Stereoselectivity of the Lewis-Acid-Catalyzed Diels-Alder Reaction between 2,5-Dimethylfuran and Acrolein.
ACS Omega
January 2025
Laboratory of Theoretical Chemistry, Theoretical and Structural Physical Chemistry Unit, Namur Institute of Structured Matter (NISM), University of Namur, rue de Bruxelles, 61, B-5000 Namur, Belgium.
Density functional theory (DFT) has been enacted to study the Diels-Alder reaction between 2,5-dimethylfuran (2,5-DMF), a direct product of biomass transformation, and acrolein and to analyze its thermodynamics, kinetics, and mechanism when catalyzed by a Lewis acid (LA), in comparison to the uncatalyzed reaction. The uncatalyzed reaction occurs via a typical one-step asynchronous process, corresponding to a normal electron demand (NED) mechanism, where acrolein is an electrophile whereas 2,5-DMF is a nucleophile. The small endo selectivity in solvents of low dielectric constants is replaced by a small exo selectivity in solvents with larger dielectric constants, such as DMSO.
View Article and Find Full Text PDFCharacterization of key flavor compounds in cinnamon bark oil extracts using principal component analysis.
Food Res Int
January 2025
State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China. Electronic address:
Cinnamon is a widely used spice, known for its distinctive flavor and aromatic properties. Due to its lignified structure, the release of flavor components typically requires prolonged stewing (1-2 h). To simulate the release of flavor components during stewing, this study employed corn oil for extraction, avoiding the use of organic solvents.
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