期刊
MEAT SCIENCE
卷 194, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2022.108992
关键词
HS-GC-IMS; Jinhua dry -cured ham; Electronic nose; Free fatty acid; Flavor formation
资金
- Major Science and Technology Program of Anhui, China
- Special fund for Anhui Province Agricultural Products Processing Industry Technology System
- [202003b06020023]
- [340000211260001000420]
Using HS-GC-IMS technology, this study investigated the flavor compounds present during the making of Jinhua dry-cured ham, identifying key volatile organic compounds at different stages and revealing the critical substances involved in flavor formation.
This study aimed to clarify the formation process of flavor compounds and identify the volatile substances present during a continuous period of Jinhua dry-cured ham (JDH) making. Via headspace-gas chromatography -ion mobility spectrometry (HS-GC-IMS), a total of 53 volatile organic compounds (VOCs), including 20 alde-hydes, 16 alcohols, 11 ketones, 5 esters and 1 furan, were identified in JDH from seven sampling stages. The results showed that butanal, 3-methylbutanal, 2-methylbutanal, 2-hexanone, 2-pentanone and 2-butanone could be flavor markers in the evolution of aroma characteristics of JDH. Aldehydes (2-methylbutanal and 3-methyl-butanal), alcohols (2-methylpropanol, 2-methylbutanol, 3-methylbutanol and 1-penten-3-ol), ketones (2-penta-none, 2-propanone, 2-butanone and 2-hexanone) and esters (ethyl acetate and ethyl 3-methylbutyrate) were considered the main VOCs in the mature JDH. Free fatty acid (FFA) analysis displayed the changes in intra-muscular fat (IMF) of JDH. Additionally, principal component analysis (PCA) showed that drying-ripening was a critical stage in the flavor formation of JDH.
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