| Title: | Quantitative Profiling of Ester Compounds Using HS-SPME-GC-MS and Chemometrics for Assessing Volatile Markers of the Second Fermentation in Bottle |
| Author(s): | Munoz-Redondo JM; Cuevas FJ; Leon JM; Ramirez P; Moreno-Rojas JM; Ruiz-Moreno MJ; |
| Address: | "Postharvest technology and food industry department, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Centro Alameda del Obispo , Avda Menendez Pidal, 14004 Cordoba, Spain. Crop production department, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Centro Cabra-Priego , Ctra Cabra-Dona Mencia, km 2.5, 11940 Cabra, Spain" |
| ISSN/ISBN: | 1520-5118 (Electronic) 0021-8561 (Linking) |
| Abstract: | "A quantitative approach using HS-SPME-GC-MS was performed to investigate the ester changes related to the second fermentation in bottle. The contribution of the type of base wine to the final wine style is detailed. Furthermore, a discriminant model was developed based on ester changes according to the second fermentation (with 100% sensitivity and specificity values). The application of a double-check criteria according to univariate and multivariate analyses allowed the identification of potential volatile markers related to the second fermentation. Some of them presented a synthesis-ratio around 3-fold higher after this period and they are known to play a key role in wine aroma. Up to date, this is the first study reporting the role of esters as markers of the second fermentation. The methodology described in this study confirmed its suitability for the wine aroma field. The results contribute to enhance our understanding of this fermentative step" |
| Keywords: | Esters/*chemistry Fermentation Gas Chromatography-Mass Spectrometry/*methods Quality Control Solid Phase Microextraction/*methods Volatile Organic Compounds/*chemistry/*isolation & purification Wine/*analysis Spme chemometrics esters second fermentation s; |
| Notes: | "MedlineMunoz-Redondo, Jose Manuel Cuevas, Francisco Julian Leon, Juan Manuel Ramirez, Pilar Moreno-Rojas, Jose Manuel Ruiz-Moreno, Maria Jose eng Evaluation Study 2017/03/14 J Agric Food Chem. 2017 Apr 5; 65(13):2768-2775. doi: 10.1021/acs.jafc.6b05265. Epub 2017 Mar 24" |
