In this work, Italian salami were produced using microbial starters (Pediococcus pentosaceus, Lactobacillus sakei, and Staphylococcus xylosus) and compared to a control sample (without starter). Metabolomics in combination with microbiological and sensory analyses were used to investigate the overall quality. Samples were analyzed immediately after stuffing, following 7, 30, and 45 days of ripening. Each microbial starter imposed distinctive metabolomic signatures at the end of ripening. The accumulated discriminant compounds were mainly related to lipid oxidation (including hydroxy- and epoxy derivatives of fatty acids) following the inoculation with L. sakei. However, the inoculation with P. pentosaceus resulted in the accumulation of γ-glutamyl peptides, compounds driving a kokumi-related taste. Noteworthy, our findings supported the involvement of the chemical compounds profiled in the definition of final taste and aroma. This information paves the way towards the definition of more objective and tailored starters-related flavours enhancement approaches in the sector of cured meat.
Lingua originaleEnglish
pagine (da-a)108584-108592
Numero di pagine9
RivistaMeat Science
Stato di pubblicazionePubblicato - 2021


  • Fermentation
  • Food Microbiology
  • Foodomics
  • Lactobacillus sakei
  • Meat Products
  • Meat oxidation
  • Pediococcus
  • Pediococcus pentosaceus
  • Staphylococcus
  • Taste


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