Evaluation of alginate-based coatings enriched with postbiotics from Bifidobacterium spp. on the quality and safety of Turkey meat
Open accessAbstract
This study evaluated the antimicrobial and antioxidant properties of postbiotics derived from Bifidobacterium bifidum DSM 20,456 (b1), Bifidobacterium bifidum BB12 (b2), and their combination (bb) in alginate-based edible coatings for fresh turkey breast meat. Coated and uncoated samples were stored at 4 °C for seven days, with microbial and physicochemical analyses conducted at regular intervals (0, 2, 4, 7 days). The postbiotic-enriched coatings exhibited significant antioxidant activity, with total phenolic content (TPC) ranging from 87.13 to 90.89 mg GAE/100 mL and DPPH radical scavenging capacity between 50.28 and 51.56 mg TEAC/100 mL ( p < 0.05). While TBARS values were lower in postbiotic-treated groups, the differences were not statistically significant ( p > 0.05). Water holding capacity (WHC) was maintained at higher levels in postbiotic-treated samples throughout storage. Microbial analysis revealed that total aerobic mesophilic and psychrotrophic bacterial counts were not significantly affected ( p > 0.05), whereas Listeria monocytogenes counts were significantly reduced in coated samples ( p < 0.05), with the bb formulation achieving a 1.62 log₁₀ CFU/g reduction. Fourier Transform Infrared (FTIR) spectroscopy confirmed molecular interactions between postbiotics and the alginate matrix, enhancing coating stability. These findings suggest that postbiotic-alginate coatings effectively inhibit L. monocytogenes while maintaining the physicochemical stability of turkey meat, highlighting their potential in poultry preservation. However, further optimization, such as combining postbiotics with additional antimicrobial agents, is needed to enhance overall microbial control.
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Kaynakci et al. (2025) documented TPC of 90.89 mg GAE/g and TFC of 21.34 mg QE/g for CFS derived from probiotic strains.
“The results of this study demonstrated a notable concordance with the values reported by Kaynakci et al., (2025), who documented TPC of 90.89 mg GAE/g and TFC of 21.34 mg QE/g for CFS derived from probiotic strains.”
From Probiotic potential of Lactobacillus acidophilus TMPC 41127 isolated from traditional cheese in inhibiting Salmonella Typhi biofilms and virulence genes (2026) · cites this paper as Kaynakci et al., (2025)
The Results and discussion section (Table 2; page not supplied) reports the cited TPC and TFC numbers for the bb postbiotic group. However, it gives TPC as 90.89 mg GAE/100 mL, not per gram, and TFC as 21.34 mg CE/100 mL, not mg QE/g. (LLM, conf=0.90)
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Postbiotics: the route from whey fermentation to functional beverages and food packaging materials
Меnkinoska, М., Goranova, Z. T., Andronikov, D., Angeleska, A., Nikolovska, R. C., Stojkovikj, E. D., Esmerov, I., Uzunov, R., Ljupco, A., Kumar, N., et al. (2026) · Frontiers in Nutrition · doi:10.3389/fnut.2026.1943948
- Authors
- Kaynakci, E. C.
- Affiliations
- Akdeniz University (TR)
- Corresponding author
- Kaynakci, Emel Cengiz
- Venue
- Scientific Reports
- Published
- 2025-07-02
- Volume
- 15
- Issue
- 1
- Pages
- 23634-23634
- ISSN
- 2045-2322 (ISSN-L)
- PMC
- PMC12223296
- OpenAlex
- W4411952557
- Cited by
- 16
- References
- 34
- Citations by year
- 2026: 15 · 2025: 1
- FWCI
- 9.73
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Scientific Reports (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 › Animal Science and Zoology › Meat and Animal Product Quality
- Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
- Physical Sciences › Materials Science › Biomaterials › Nanocomposite Films for Food Packaging
- Keywords
- postbiotics, Bifidobacterium bifidum, alginate coating, edible coatings, turkey breast meat, Listeria monocytogenes, antimicrobial activity, antioxidant activity, total phenolic content, water holding capacity, meat preservation, psychrotrophic bacteria
- MeSH terms
- Alginates, Animals, Antioxidants, Bifidobacterium, Food Microbiology, Food Preservation, Hexuronic Acids, Listeria monocytogenes, Meat, Turkeys, Probiotics, Glucuronic Acid
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