期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 94, 期 14, 页码 2978-2985出版社
WILEY-BLACKWELL
DOI: 10.1002/jsfa.6643
关键词
Celta pig breed; cross-breeding; dry-cured meat product; volatile compounds; SPME
资金
- Xunta de Galicia (The Regional Government) [FEADER 2010/15]
BACKGROUND: Dry-cured 'lacon' is a traditional cured meat productmade in the north-west of Spain from the pigs' foreleg, with similar manufacturing process to that used in dry-cured ham. The aim of this study was to assess the influence of cross-breeding of Celta pig with Landrace or Duroc breeds on the formation of volatile compounds through the manufacture of 'lacon'. RESULTS: 'Lacon' from the crosses with Duroc presented lower final moisture (534 g kg(-1)) and higher intra-muscular fat content [144 g kg(-1) dry matter (DM)] than 'lacon' from Celta pure breed (587 g kg-1 and 36 g kg-1 DM, respectively). Volatile compounds were extracted by solid-phase microextraction and analysed by gas chromatography-mass spectrometry. Volatile compounds from 'lacon' were affected by cross-breeding. The total amount of volatile compounds significantly (P < 0.001) increased during the manufacturing process, this increase being more marked in samples from the Landrace cross-breed. The most abundant group of flavour compounds at the end of the manufacturing process was esters in the three batches, followed by aldehydes, hydrocarbons and alcohols. The most abundant ester at the end of the process was hexanoic acid methyl ester, while the aldehyde found in a higher amount was hexanal. CONCLUSIONS: The profile of volatile compounds was affected by cross-breed, especially at the end of the 'lacon' dry-curing process. (C) 2014 Society of Chemical Industry
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