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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Troncoso, A. M. Callejón, R. M. Ubeda, C. Ríos-Reina, R. Morales, M. L. |
| Description | Country affiliation: Spain Author Affiliation: Callejón RM ( Área de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Sevilla, C/P, García González n° 2, E-41012 Sevilla, Spain.); Ubeda C ( Universidad Autónoma de Chile, Chile.); Ríos-Reina R ( Área de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Sevilla, C/P, García González n° 2, E-41012 Sevilla, Spain.); Morales ML ( Área de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Sevilla, C/P, García González n° 2, E-41012 Sevilla, Spain.); Troncoso AM ( Área de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Sevilla, C/P, García González n° 2, E-41012 Sevilla, Spain. Electronic address: amtroncoso@us.es.) |
| Abstract | One of the most common taints in foods is a musty or earthy odour, which is commonly associated with the activity of microorganisms. Liquid foods, particularly wine and water, can be affected by this defect due to the presence of certain aromatic organic compounds at very low concentrations (ng/L) consistent with human threshold perception levels. The volatile compounds responsible for a mouldy off-aroma include approximately 20 compounds, namely, haloanisoles, geosmin, 2-methylisoborneol, several alkyl-methoxypyrazines, 1-octen-3-ol, 1-octen-3-one, trans-octenol, 3-octanone, fenchol and fenchone. Methods for determining these very low concentrations of odour compounds must be extremely sensitive and selective with efficient preconcentration treatments. A number of extraction techniques based on LLME (liquid-liquid microextraction), SPME (solid-phase microextraction) or SBSE (stir-bar sorptive extraction) can be applied and should be selected on a case-by-case basis. Moreover, recent developments in GC instrumentation coupled to different detection systems can effectively increase the selectivity and sensitivity of the analysis of target compounds. |
| ISSN | 00219673 |
| Volume Number | 1428 |
| e-ISSN | 18733778 |
| Journal | Journal of Chromatography A |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-01-08 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Food Technology Trends Odors Analysis Water Chemistry Wine Gas Chromatography-mass Spectrometry Humans Ketones Volatile Organic Compounds Journal Article Review Discipline Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Medicine Analytical Chemistry Biochemistry |
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