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. 2021 Jul 5;12:696267. doi: 10.3389/fmicb.2021.696267

TABLE 1.

Characterization of the isolate MYSN105 from fermented food Pozha.

Gram Staining Gram-Positive Rods
Catalase test Negative
Tolerance to acidic pH Log CFU/ml–1
0 h 1 h 3 h
pH 2 6.95 ± 1.31 4.15 ± 0.51 3.22 ± 1.20
pH 3 7.86 ± 1.52 6.36 ± 1.33 4.94 ± 1.01
pH 6 6.21 ± 2.34 6.13 ± 0.52 5.71 ± 1.91
Bile salt tolerance Log CFU/ml–1
0 h 4 h
2% 6.89 ± 0.52 5.29 ± 2.11
4% 7.06 ± 1.14 6.17 ± 1.26
Hemolytic test Negative
Carbohydrate fermentation Source Growth
Glucose +++
Xylose +++
Arabinose ++
Mannose ++
Galactose +++
Cellobiose ++
Xylitol +
Arabitol +
Lactose ++
Cell surface hydrophobicity (%) 65.90 ± 1.51
Auto aggregation (%) 58.99 ± 1.34
Antimicrobial activity Zone of inhibition (mm)
Escherichia coli ATCC 25922 Staphylococcus aureus ATCC 6538 Salmonella Paratyphi ATCC 9150
18 21 19
Survival in GIT conditions Survival (%)
0 h 3 h 6 h
84.6 ± 0.61 68.4 ± 1.34 64.7 ± 2.01

+ weak growth; ++ good growth; +++ very good growth. Data shown are mean ± SE of triplicate values of independent experiments.