Cited by 10Probiotics and Fermented FoodsFermentation and Sensory AnalysisAdvanced Scientific Research Methods

Lacticaseibacillus Strains Isolated from Raw Milk: Screening Strategy for Their Qualification as Adjunct Culture in Cheesemaking

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Abstract

The microbial ecology fundamentals of raw milk and long-ripened cheeses consist of a complex interaction between starter lactic acid bacteria (SLAB) and non-starter LAB (NSLAB). Although NSLAB aromatic properties are paramount, other phenotypic traits need to be considered for their use as adjunct cultures, such as the capability to endure technological parameters encountered during cheesemaking. The present study focused on the isolation and characterization of NSLAB from spontaneously fermented raw cow’s milk coming from 20 dairies that produce Grana Padano PDO cheese. From 122 isolates, the screening process selected the 10 most diverse strains belonging to Lacticaseibacillus spp. to be phenotypically characterized. The strains were tested for their growth performance in milk in combination with the application of technological stresses, for their ability to produce volatile compounds after their growth in milk, and for their ability to use different nutrient sources and resist chemicals. The complex characterization qualified the strains 5959_Lbparacasei and 5296_Lbparacasei as the best candidates to be used as adjunct strains in the production of raw milk and long-ripened cheeses, provided that antibiotic resistance is measured before their employment. Other strains with interesting aromatic capabilities but lower heat resistance were 5293_Lbparacasei, 5649_Lbparacasei and 5780_Lbparacasei, which could be candidates as adjunct strains for uncooked cheese production.

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  • The Lacticaseibacillus genus plays a crucial role in dairy production as NSLAB.

    “Among these, there is the Lacticaseibacillus genus, which plays a crucial role in dairy production as NSLAB [105].”

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Research works printed but not linked: 4

  1. [41]Minervini F. Calasso M. Lactobacillus casei group Encyclopedia of Dairy Sciences 3rd ed. Elsevier Science Amsterdam, The Netherlands 2021 Volume 4
  2. [52]Consorzio Tutela Grana Padano Disciplinare Grana Padano DOP Official Journal of the European Union Brussels, Belgum 1996
  3. [53]McSweeney P.L.H. Fox P.F. Cotter P.D. Everett D.W. Cheese: Chemistry, Physics & Microbiology 4th ed. Elsevier Academic Press London, UK 2017
  4. [63]Umano K. Shibamoto T. A New Method of Headspace Sampling: Grapefruit Volatiles Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors Washington, DC, USA 16–20 November 1986 Elsevier Ltd. New York, NY, USA 1988 981 998 10.1021/jf0203951 · DOI

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Authors
Bettera, L., Levante, A., Bancalari, E., Bottari, B., Cirlini, M., Neviani, E., & Gatti, M.
Affiliations
University of Parma (IT)
Corresponding author
Levante, Alessia
Venue
Foods
Publisher
MDPI AG
Published
2023-10-29
Volume
12
Issue
21
Pages
3949
ISSN
2304-8158 (ISSN-L)
OpenAlex
W4388017728
Cited by
10
References
59
Citations by year
2026: 3 · 2025: 5 · 2024: 2
FWCI
1.44
Type
journal article
Language
en
Open access
Locations
  • Foods (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • University of Parma
  • Fondazione Cariparma
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 paracasei, non-starter lactic acid bacteria, adjunct cultures, raw milk, Grana Padano cheese, spontaneous fermentation, cheese aroma, heat resistance, antibiotic resistance, strain screening, phenotypic characterization

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