Results 111 to 120 of about 1,279 (129)

First Report of a Migratory Pest, the Fall Armyworm, Spodoptera frugiperda (JE Smith, 1797) (Lepidoptera, Noctuidae) from Bulgaria. [PDF]

Insects
Szanyi S, Barta M, Velchev D, Beshkov S, Mumford S, Todorov I, Nagy A, Varga Z, Tóth M, Toshova T.   +9 more
europepmc   +1 more source

Development of a Fully Automated Method HS-SPME-GC-MS/MS for the Determination of Odor-Active Carbonyls in Wines: a "Green" Approach to Improve Robustness and Productivity in the Oenological Analytical Chemistry. [PDF]

J Agric Food Chem
Piergiovanni M, Carlin S, Lotti C, Vrhovsek U, Mattivi F.   +4 more
europepmc   +1 more source

Impact of Non-Saccharomyces Yeast Fermentation in Madeira Wine Chemical Composition [PDF]

Processes, 2023
Madeira wine is produced via spontaneous alcoholic fermentation arrested by ethanol addition. The increasing demand of the wine market has led to the need to standardize the winemaking process.
Andreia Miranda, Vanda Pereira, Manuel Malfeito-Ferreira   +2 more
exaly   +2 more sources

Impact of Forced-Aging Process on Madeira Wine Flavor [PDF]

Journal of Agricultural and Food Chemistry, 2008
The aim of this study was to determine the optimal temperature and baking time to obtain a Madeira wine considered typical by an expert panel. For this purpose simultaneous descriptive analyses of typical Madeira wines were performed, and seven ...
Paula Guedes De Pinho, Tim Hogg, JOSÉ C Marques   +2 more
exaly   +2 more sources

Evaluation of the feasibility of the electronic tongue as a rapid analytical tool for wine age prediction and quantification of the organic acids and phenolic compounds. The case-study of Madeira wine

Analytica Chimica Acta, 2010
A set of fourteen Madeira wines comprising wines produced from four Vitis vinifera L. varieties (Bual, Malvasia, Verdelho and Tinta Negra Mole) that were 3, 6, 10 and 17 years old was analysed using HPLC and an electronic tongue (ET) multisensor system ...
Alisa Rudnitskaya, Silvia M Rocha, Andrey Legin   +2 more
exaly   +3 more sources

Heterocyclic acetals in Madeira wines [PDF]

Analytical and Bioanalytical Chemistry, 2003
The maturation of Madeira wines usually involves exposure to relatively high temperatures which affect the aroma and flavour composition leading to the formation of the typical and characteristic bouquet of these wines.
JOSÉ S Camara, JOSÉ C Marques, Arminda Alves   +2 more
exaly   +2 more sources

Comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry combined with solid phase microextraction as a powerful tool for quantification of ethyl carbamate in fortified wines. The case study of Madeira wine

Journal of Chromatography A, 2010
An analytical methodology based on headspace solid phase microextraction (HS-SPME) combined with comprehensive two-dimensional gas chromatography—time-of-flight mass spectrometry (GC × GC–ToFMS) was developed for the identification and quantification of ...
Rosa Perestrelo, Silvia Petronilho, JOSÉ S Camara   +2 more
exaly   +3 more sources

Changes in volatile composition of Madeira wines during their oxidative ageing [PDF]

Analytica Chimica Acta, 2006
The influence of the age in the volatile composition of Madeira wines made with Boal, Malvazia, Sercial and Verdelho varieties and aged in oak barrel during 1, 11 and 25 years old was been studied.
JOSÉ S Camara, Arminda Alves, JOSÉ C Marques   +2 more
exaly   +2 more sources

In-Depth Search Focused on Furans, Lactones, Volatile Phenols, and Acetals As Potential Age Markers of Madeira Wines by Comprehensive Two-Dimensional Gas Chromatography with Time-of-Flight Mass Spectrometry Combined with Solid Phase Microextraction [PDF]

Journal of Agricultural and Food Chemistry, 2011
The establishment of potential age markers of Madeira wine is of paramount significance as it may contribute to detect frauds and to ensure the authenticity of wine.
Rosa Perestrelo, Antonio S Barros, JOSÉ S Camara   +2 more
exaly   +2 more sources

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Characterization of the aroma profile of Madeira wine by sorptive extraction techniques

Analytica Chimica Acta, 2005
J M F Nogueira
exaly