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Comparison of Untargeted and Markers Analysis of Volatile Organic Compounds with SIFT-MS and SPME-GC-MS to Assess Tea Traceability.
Foods
December 2024
IPREM, Institut des Sciences Analytiques et de Physicochimie Pour L'environnement et les Matériaux, UMR 5254, Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IMT Mines Ales, Helioparc, 2 Avenue President Angot, 64053 Pau, CEDEX 9, France.
Tea is one of the most consumed beverages in the world and presents a great aromatic diversity depending on the origin of the production and the transformation process. Volatile organic compounds (VOCs) greatly contribute to the sensory perception of tea and are excellent markers for traceability and quality. In this work, we analyzed the volatile organic compounds (VOCs) emitted by twenty-six perfectly traced samples of tea with two analytical techniques and two data treatment strategies.
View Article and Find Full Text PDFRetinal microvascular dysfunction in systemic sclerosis.
Microvasc Res
March 2025
Department of Cardiology, University Heart Center, University Hospital and University of Zurich, Zurich, Switzerland; Center for Translational and Experimental Cardiology (CTEC), Department of Cardiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland. Electronic address:
Background And Aims: Systemic sclerosis (SSc) is a systemic autoimmune disease, characterized by widespread microvasculopathy and fibrosis. Vascular and endothelial cell changes appear to precede other features of SSc. Retinal vascular analysis is a new, easy-to-use tool for the assessment of retinal microvascular function.
View Article and Find Full Text PDFTranslating 2D-Chromatographic Fingerprinting to Quantitative Volatilomics: Unrevealing Compositional Changes in Maize Silage Volatilome for Robust Marker Discovery.
J Agric Food Chem
October 2024
Dipartimento di Scienza e Tecnologia del Farmaco, Università di Torino, Via Pietro Giuria 9, Torino 10125, Italy.
Article Synopsis
- The study investigates the volatile compounds found in maize silage over a 100-day period, comparing samples with and without a specific bacterial inoculation.
- It employs advanced analytical techniques including two-dimensional gas chromatography and mass spectrometry to accurately measure these volatile compounds, ensuring the preservation of the original method's resolution and analyte order.
- The analysis of 98 different volatiles contributes to understanding silage fermentation processes and helps identify markers related to silage quality and stability.
Extensive investigation of seasonal and spatial fluctuations of BTEX in an industrial city with a health risk assessment.
Sci Rep
October 2024
Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran.
There are many pollutants in the air that can be harmful to human health. Their impact varies based on factors such as the kind of pollutant, duration of exposure, and concentration levels. Volatile organic compounds are particularly significant carcinogens among the various pollutants present in the air.
View Article and Find Full Text PDFLeg fidgeting alleviates reduced oxygen extraction in the gastrocnemius muscle caused by prolonged sitting: a randomized crossover trial.
Eur J Appl Physiol
September 2024
Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan.
Purpose: Oxygen extraction in skeletal muscle is an important determinant of exercise tolerance. Prolonged sitting decreases oxygen extraction in the gastrocnemius muscle. However, the underlying mechanism remains unknown, and preventive measures are yet to be established.
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