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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