Results 81 to 90 of about 46,657 (224)
سلامت و محیط, 2013 Background and Objectives: Furfural with a chemical formula of C5H4O2 is a toxic and hazardous substance for human and environment. Furfural and its derivatives such as furfuryl alcohol, alone or in combination with phenol, acetone or urea are used ...
Mostafa Leili +3 more
doaj
The colorimetric determination of hexoses with carbazole [PDF]
, 1947 The optimum conditions for the calorimetric estimation of hexoses by reaction with carbazole in hot sulfuric acid solution have been determined and a convenient procedure, giving results with a precision of 2 to 5 per cent in the range of 50 to 150 γ of ...
Holzman, George +2 more
core
Volatile aldehydes in libraries and archives [PDF]
, 2010 Volatile aldehydes are produced during degradation of paper-based materials. This may result in their accumulation in archival and library repositories. However, no systematic study has been performed so far.
Cassar, M. +8 more
core +1 more source
Journal of Animal Physiology and Animal Nutrition, EarlyView.ABSTRACT Thermal processing of pet foods can lead to the formation of harmful Maillard reaction products (MRPs), which may compromise nutritional quality and pose health risks to companion animals. This study compared the levels of MRPs in 41 commercial dog foods, including fresh (n = 15), kibble (n = 13), wet (n = 10), freeze‐dried (n = 2), and cold ...
Tolgahan Kocadağlı +2 more
wiley +1 more source
Characterization of craft beer through flavour component analysis by GC-MS and multivariate statistical tools [PDF]
, 2018 Beer is a rather popular drink and represents the most widely consumed alcoholic beverage in the world.The present research aims at characterizing the flavour profile of lager pilsner, the category of low fermentation beers most common in Europe.
Boccacci Mariani Maurizio +2 more
core
Correlating wine quality indicators to chemical and sensory measurements. [PDF]
, 2015 Twenty-seven commercial Californian Cabernet Sauvignon wines of different quality categories were analyzed with sensory and chemical methods. Correlations between five quality proxies-points awarded during a wine competition, wine expert scores, retail ...
Ebeler, Susan E +3 more
core +2 more sources
Analytical Science Advances, Volume 7, Issue 1, June 2026.ABSTRACT This study investigated the prevalence of electronic smoking device (ESD) use and its associated behavioural and chemical risks among university students in Bahia, Brazil. A cross‐sectional survey was conducted with 355 students from public and private institutions through an online questionnaire between April and May 2023. Among participants,
Eduard F. Valenzuela +7 more
wiley +1 more source
The Canadian Journal of Chemical Engineering, Volume 104, Issue 4, Page 1656-1676, April 2026.Abstract Advancements in biofuel production technologies are essential for reducing global dependence on fossil fuels and addressing their overexploitation. Many valuable components of biomass, such as cellulose, hemicellulose, and lignin, remain underused in traditional biorefineries, which typically rely on a single feedstock to produce a primary ...
Marcos Paulo Patta Granado +5 more
wiley +1 more source
Conversion and assimilation of furfural and 5-(hydroxymethyl)furfural by Pseudomonas putida KT2440
Metabolic Engineering Communications, 2017 The sugar dehydration products, furfural and 5-(hydroxymethyl)furfural (HMF), are commonly formed during high-temperature processing of lignocellulose, most often in thermochemical pretreatment, liquefaction, or pyrolysis.
Michael T. Guarnieri +3 more
doaj +1 more source
eFood, Volume 7, Issue 2, April 2026.This review article provides a comprehensive analysis of coffee pre‐brewing techniques, focusing on the methodology and key parameters involved in each coffee brewing process. It also summarizes how different brewing methods affect the coffee metabolome, antioxidant levels, aroma, and physicochemical features.
Enas A. El‐Hawary +5 more
wiley +1 more source