Journal
FOOD ANALYTICAL METHODS
Volume 12, Issue 6, Pages 1263-1284Publisher
SPRINGER
DOI: 10.1007/s12161-019-01491-x
Keywords
Food analysis; Meat products; Gas chromatography-mass spectrometry; Aroma; Volatile compounds
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Funding
- INIA [CPD2015-0212]
- CYTED [119RT0568]
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A direct extraction of volatile organic compounds (VOC) using HS-SPME method was proposed. The identification and quantification of VOC of six dry-cured meat products were developed using gas chromatography-single mass spectrometry technique. This method allowed obtaining high sensitive, repeatable and reproducible results using a simple and fast analysis. The compounds were organized according to their chemical family to facilitate their presentation, due to some of them can have different origins. The possible origins were discussed in text. The VOC detected in the present research could be divided into three different groups: The first group included typical volatile derived from chemical reactions that take place during dry-cured stage, mainly lipid oxidation and amino acid degradation. Some VOC in the first group having high influence in the overall aroma were alcohols (1-penten-3-ol, 1-octen-3-ol and 1-hexanol), aldehydes (butanal, 2- and 3-methyl, propanal, 2-methyl, hexanal, octanal and nonanal), acids (acetic acid, butanoic acid and butanoic acid, 2- and 3-methyl), furan, 2-penthyl, ketones (acetoin) or ethyl esters. The second group included terpenes and some sulphur compounds derived from spices used in the meat product formulation. Finally, the third group included furans, phenols, pyrazines and pyridines derived from smoking process. As a general conclusion, the results indicated that the use of HS-SPME-GC/MS is an adequate method for VOC analysis in dry-cured meat products.
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