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- Title
The sensory evaluation and antimicrobial efficacy of Lactobacillus acidophilus supernatant on Salmonella enteritidis in milk.
- Authors
Kamali, Abbas; Hosseini, Hedayat; Mahmoudi, Razzagh; Pakbin, Babak; Gheibi, Nematollah; Mortazavian, Amir Mohammad; Shojaei, Saeideh
- Abstract
Postbiotics are metabolites derived from living probiotic bacteria like Lactobacillus strains, during the fermentation process and/or produced in pure form on laboratory scales. These compounds, depending on the type of probiotic from which they are prepared, have specific antibacterial agents such as: organic acids, bacteriocins, short‐chain fatty acids, and peptides. The objective of this study was to investigate the effect of Lactobacillus acidophilus supernatant (LAS) on the growth pattern of Salmonella enteritidis at fluctuating temperatures and the sensory evaluation of milk that contains this probiotic. Baranyi and Roberts's model determined the best‐fit curve for the microbial growth. According to mathematical equations, the highest and lowest specific growth (μmax) rates of S. enteritidis were obtained at 0.055 h−1 and 0.0059 h−1 and also highest and lowest maximum generation time (MGT) values were obtained at 20.06 h and 8.85 h, respectively. Sensory evaluation by the Triangel test reveals that LAS could not establish a significant (p >.05) adverse effect on milk perceptible. Regarding the results obtained in the present study, LAS, without causing adverse sensory change, could act as a safe food additive for the control of bacterial pathogens and reducing food waste, particularly in milk and milk‐containing food products.
- Subjects
LACTOBACILLUS acidophilus; SALMONELLA enteritidis; FERMENTED milk; SENSORY evaluation; SALMONELLA typhimurium; SHORT-chain fatty acids; MILK
- Publication
Food Science & Nutrition, 2024, Vol 12, Issue 3, p1902
- ISSN
2048-7177
- Publication type
Article
- DOI
10.1002/fsn3.3883