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Exploring the Key Indicators for Off-Flavor in Industrial Osmanthus Absolute through Sensomics and Chemometric Approaches.
J Agric Food Chem
January 2025
Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China.
The occurrence of off-flavor in osmanthus absolutes has emerged as a significant concern that could hinder its broad market acceptance and associated economic development. In this study, key off-flavor molecules in industrial osmanthus absolute were identified through sensomics and chemometric approaches. A group of 10 off-flavor (OF) samples, eliciting smoky/phenolic, sweaty/sour, and spicy odors, were compared with 10 pleasant aroma (PA) samples through various analyses, including overall aroma assessment, comprehensive chemical profiling, aroma extract dilution analysis (AEDA), and orthogonal partial least-squares-discriminant analysis (OPLS-DA).
View Article and Find Full Text PDFDivergent Transport Dynamics of Alkylated versus Unsubstituted Polycyclic Aromatic Hydrocarbons at the Air-Water and Sediment-Water Interfaces at a Legacy Creosote Site.
ACS ES T Water
January 2025
Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States.
Alkylated polycyclic aromatic hydrocarbons (PAHs) are abundant constituents of many PAH mixtures and contribute to risk at contaminated sites. Despite their abundance, the movement of alkylated PAHs remains understudied relative to unsubstituted PAHs. In the present study, passive sampling devices were deployed in the air, water, and sediments at 11 locations across multiple seasons to capture spatial and temporal variability in the abundance and movement of alkylated PAHs at a Brownsfield creosote site in Oregon, USA.
View Article and Find Full Text PDFCharacterization and comparative analysis of volatile organic compounds in four aromatic wild strawberry species using HS-SPME-GC-MS.
Food Chem X
January 2025
Institute of Pomology, Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China.
Strawberries are valued for their aroma, which is mainly determined by volatile organic compounds (VOCs). Wild strawberries, with broader and more intense VOC profiles, are especially important in breeding programs. Using HS-SPME-GC-MS, 126 VOCs were identified in the ripe fruit of 22 cultivars from four wild strawberry species.
View Article and Find Full Text PDFMeconium Influences Pulmonary Short-Chain Fatty Acid Concentration in Porcine Meconium Aspiration Model.
Biomed Hub
December 2024
Department of Surgery, SUNY Upstate Medical University, Syracuse, NY, USA.
Introduction: The factors influencing meconium aspiration syndrome (MAS) severity remain poorly understood. In a piglet model of MAS, we hypothesized the respiratory microbiome would reflect the bacterial signature of meconium with short-chain fatty acid (SCFA) accumulation as a byproduct of bacterial fermentation.
Methods: Cesarean section at approximately 115-day term was performed on two sows.
Gut Microbiome and Metabolite Characteristics Associated With Different Clinical Stages in Non-Small Cell Lung Cancer Patients.
Cancer Manag Res
January 2025
Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
Objective: Our research has pinpointed the gut microbiome's role in the progression of various pathological types of non-small cell lung cancer (NSCLC). Nonetheless, the characteristics of the gut microbiome and its metabolites across different clinical stages of NSCLC are yet to be fully understood. The current study seeks to explore the distinctive gut flora and metabolite profiles of NSCLC patients across varying TNM stages.
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