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Table 5 Optimum process and validation experiment results at 95% confidence and prediction interval

From: Statistical modelling for optimized lyophilization of Lactobacillus acidophilus strains for improved viability and stability using response surface methodology

Responses Target Predicted results Confirmation test results for NCDC 291 Confirmation test results for NCDC 015 Confirmation test results for MTCC 10307 95% CI low 95% CI high 95% PI low 95% PI high
Survival rate AL Maximize 69.52 69.86 68.84 67.92 67.66 71.39 65.35 73.70
VCAL Maximize 11.63 11.33 11.04 11.05 11.14 12.12 10.66 12.59
VCAL 1 month Maximize 10.70 10.50 10.43 10.42 10.12 11.28 9.55 11.85
VCAL 6 months Maximize 10.77 10.45 10.39 10.38 9.98 11.55 9.22 12.32
VCAL 12 months Maximize 10.67 10.44 10.38 10.37 9.72 11.62 8.79 12.56
VCAL 18 months Maximize 10.63 10.43 10.38 10.36 9.71 11.56 8.80 12.47
VCAL 24 months Maximize 10.60 10.42 10.37 10.34 9.67 11.52 8.77 12.42