Cited by 45Probiotics and Fermented FoodsFermentation and Sensory AnalysisAdvanced Scientific Research Methods

How the fewest become the greatest. L. casei’ s impact on long ripened cheeses.

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Bottari, Benedetta, Levante, Alessia, Neviani, Erasmo, Gatti, Monica·2018·Frontiers in Microbiology

Abstract

Lactobacillus casei group, including species classified currently as L. casei, L. paracasei, and L. rhamnosus, are among the most frequently found species in raw milk, hard cooked, long-ripened cheeses. Starting from very low amounts in raw milk, they become dominant in the cheese during ripening, selected by several technological drivers. Their presence at different stages of cheese making and ripening turned out to be crucial to define cheese features. For these reasons, the scientific community has been more and more busy in studying this “tiny but mighty microbes” and their effect in cheeses. The present paper aims to review the current literature on this topic, with particular reference to the case of Parmigiano Reggiano and Grana Padano, two of the most famous PDO Italian cheeses. Recent advances regarding the possibility to select new wild strains capable to persist to the end of ripening, carrying out a slow but crucial activity and with specific aromatic features, are also presented.

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Registry

Crossref · 10.3389/fmicb.2018.02866

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  • The enzymes produced by LAB communities in raw milk support proteolysis and lipolysis, which are chief drivers of flavor and texture of cheese.

    “During cheese ripening, proteolysis is of great importance because it contributes to textural and sensory changes in the matrix of this product [30].”

    From Lactic Acid Bacteria in Raw-Milk Cheeses: From Starter Cultures to Probiotic Functions (2022) · cites this paper as [31]

    In the Introduction’s “What’s Their Effect?” section, the paper identifies proteolysis as a major pathway in flavor formation during cheese ripening, supporting the citing sentence’s sensory-change point. It does not say that proteolysis causes textural changes; its “Who Are They?” section instead links curd texture to cooking and starter-LAB acidity. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Free amino acids from proteolysis and fatty acids from lipolysis act as substrates for secondary reactions that produce important flavor compounds.

    “The free amino acids resulting from proteolysis and the fatty acids released by lipolysis play an active role as substrates for a number of secondary reactions, which give rise to many important flavor compounds [31,32,33].”
  • After the brining step (1-month-old samples and later), a compositional change occurs in cheese microbiota that shows a decrease in the relative abundance of SLAB species, while NSLAB population, initially present at low abundances, find suitable conditions for development.

    “After the brining step (1-month-old samples and later), a compositional change occurs in cheese microbiota that shows a decrease in the relative abundance of the SLAB species, while NSLAB population, initially present at low abundances, find suitable conditions for development (Lazzi et al., 2014; Bottari et al., 2018).”
  • Major differences among dairies between 1 and 2 months old samples and 7 and 9 months old samples are consistent with the growth of NSLAB coming mainly from raw milk and their higher adaptability to specific environmental conditions, driven by cheese making parameters.

    “Major differences revealed among dairies between 1 and 2 months old samples and 7 and 9 months old samples, are consistent with the growth of NSLAB coming mainly from raw milk and their higher adaptability to specific environmental conditions, driven by cheese making parameters (Bottari et al., 2018).”

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Authors
Bottari, B., Levante, A., Neviani, E., & Gatti, M.
Affiliations
University of Parma (IT)
Corresponding author
Bottari, Benedetta
Venue
Frontiers in Microbiology
Published
2018-11-22
Volume
9
Pages
2866-2866
ISSN
1664-302X (ISSN-L)
OpenAlex
W2901932650
Cited by
45
References
66
Citations by year
2026: 3 · 2025: 6 · 2024: 6 · 2023: 11 · 2022: 4 · 2021: 6 · 2020: 5 · 2019: 3 · 2015: 1
FWCI
0.35
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Microbiology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Fermentation and Sensory Analysis
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Advanced Scientific Research Methods
Keywords
Lactobacillus casei, Lactobacillus paracasei, Lactobacillus rhamnosus, Parmigiano Reggiano, Grana Padano, cheese ripening, cheese production, cheese aroma, lactic acid bacteria

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