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Antimicrobial Polyamide-Alginate Casing Incorporated with Nisin and ε-Polylysine Nanoparticles Combined with Plant Extract for Inactivation of Selected Bacteria in Nitrite-Free Frankfurter-Type Sausage
- Source :
- Foods, Volume 10, Issue 5, Investigo. Repositorio Institucional de la Universidade de Vigo, Universidade de Vigo (UVigo), Foods, Vol 10, Iss 1003, p 1003 (2021)
- Publication Year :
- 2021
- Publisher :
- Multidisciplinary Digital Publishing Institute, 2021.
-
Abstract
- The effects of combining a polyamide-alginate casing incorporated with nisin (100 ppm and 200 ppm) and ε-polylysine (500 ppm and 1000 ppm) nanoparticles and a mixed plant extract as ingredient in sausage formulation (500 ppm<br />composed of olive leaves (OLE), green tea (GTE) and stinging nettle extracts (SNE) in equal rates) were studied to improve the shelf life and safety of frankfurter-type sausage. The film characteristics and microbiological properties of sausage samples were evaluated. Sausage samples were packaged in polyethylene bags (vacuum condition) and analysed during 45 days of storage at 4 °C. Control sausages were also treated with 120 ppm sodium nitrite. Polyamide-alginate films containing 100 ppm nisin and 500 ε-PL nanoparticles had the highest ultimate tensile strength compared to other films. However, 100 ppm nisin and 500 ε-PL nanoparticles decreased water vapour permeability of films. The results also revealed that nisin nanoparticles had significantly (p &lt<br />0.05) low inhibitory effects against Escherichia coli, Staphylococcus aureus, molds and yeasts and total viable counts compared to control and ε-PL nanoparticles. Furthermore, 1000 ppm ε-PL nanoparticles displayed the highest antimicrobial activity. Based on the obtained results, the films containing ε-PL nanoparticle could be considered as a promising packaging for frankfurter-type sausages.
- Subjects :
- 0106 biological sciences
polyamide-alginate film
Health (social science)
Active packaging
TP1-1185
Plant Science
3309.21 Alimentos Proteínicos
Shelf life
01 natural sciences
Health Professions (miscellaneous)
Microbiology
Article
frankfurter
Ingredient
chemistry.chemical_compound
0404 agricultural biotechnology
active packaging
010608 biotechnology
3309.13 Conservación de Alimentos
Food science
Nitrite
Sodium nitrite
Nisin
ε-polylysine
Chemical technology
nanoparticle
3309.90 Microbiología de Alimentos
food and beverages
04 agricultural and veterinary sciences
Polyethylene
Antimicrobial
040401 food science
chemistry
plant extract
nisin
Food Science
Subjects
Details
- Language :
- English
- ISSN :
- 23048158
- Database :
- OpenAIRE
- Journal :
- Foods
- Accession number :
- edsair.doi.dedup.....c14908832d8b146f4116a705f968786d
- Full Text :
- https://doi.org/10.3390/foods10051003