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Table 1 Lag time of the S. mutans strains when incubated with divalent ions in the presence of different carbohydrate sources

From: Effect of divalent ions on cariogenic biofilm formation

Carbohydrate Added agent lag time (h)
0 mM 1 mM 3 mM 10 mM 30 mM 100 mM 200 mM
S. mutans ATCC 25175
Glucose CaCl2 9.58 ± 0.14 9.69 ± 0.20 9.77 ± 0.14 9.98 ± 0.09 9.70 ± 0.47 11.65 ± 0.63 ND
Sucrose 7.91 ± 0.79 7.79 ± 1.14 7.94 ± 0.81 8.11 ± 0.45 9.26 ± 0.88 9.77 ± 0.27 ND
Fructose 6.90 ± 0.56 7.61 ± 0.53 7.50 ± 0.49 7.30 ± 0.49 8.67 ± 0.20 8.39 ± 0.24 ND
Glucose MgCl2 9.58 ± 0.14 9.68 ± 0.19 9.56 ± 0.04 10.30 ± 0.49 21.92 ± 0.97 24.11 ± 0.00 ND
Sucrose 7.91 ± 0.79 7.94 ± 0.96 8.09 ± 0.92 8.91 ± 1.00 23.71 ± 2.62 ND ND
Fructose 6.90 ± 0.56 7.28 ± 0.64 7.56 ± 0.59 8.56 ± 0.35 16.40 ± 0.95 ND ND
Glucose ZnCl2 9.58 ± 0.14 17.82 ± 2.46 ND ND ND ND ND
Sucrose 7.91 ± 0.79 13.86 ± 1.17 ND ND ND ND ND
Fructose 6.90 ± 0.56 17.28 ± 2.01 ND ND ND ND ND
S. mutans CI
Glucose CaCl2 12.10 ± 0.44 11.76 ± 0.96 12.84 ± 0.56 11.83 ± 0.46 ND ND ND
Sucrose 10.11 ± 0.73 10.83 ± 0.71 10.52 ± 0.85 10.89 ± 0.44 ND ND ND
Fructose 12.83 ± 1.37 13.02 ± 1.82 12.61 ± 0.70 13.47 ± 1.26 ND ND ND
Glucose MgCl2 12.10 ± 0.44 11.86 ± 0.60 12.14 ± 0.50 16.96 ± 1.66 ND ND ND
Sucrose 10.11 ± 0.73 10.27 ± 0.57 9.98 ± 0.62 15.75 ± 1.25 ND ND ND
Fructose 12.83 ± 1.37 12.81 ± 1.77 12.94 ± 1.33 21.38 ± 3.94 ND ND ND
Glucose ZnCl2 12.10 ± 0.44 15.76 ± 0.92 ND ND ND ND ND
Sucrose 10.11 ± 0.73 17.91 ± 0.64 ND ND ND ND ND
Fructose 12.83 ± 1.37 16.36 ± 1.80 ND ND ND ND ND