Table 6 Microbiological analysis of functional frozen yogurt during storage
Storage/days | Treatments | |||
---|---|---|---|---|
Ctrl | FYC4 | FYC8 | FYC12 | |
Streptococcus salivarius subsp thermophilus cfu/ml | ||||
1 | 7.31 ± 1.14a | 7.54 ± 1.56a | 8.89 ± 2.77b | 9.71 ± 3.07c |
15 | 7.16 ± 0.91a | 7.04 ± 0.48a | 8.51 ± 1.51b | 8.86 ± 0.56b |
30 | 6.43 ± 2.13a | 6.67 ± 1.46a | 7.87 ± 0.97b | 7.99 ± 1.57b |
45 | 4.21 ± 0.43a | 5.21 ± 0.21b | 6.99 ± 1.67c | 7.21 ± 1.62c |
Lactobacillus delbrueckii spp bulgaricus cfu/ml | ||||
1 | 8.65 ± 1.46a | 8.76 ± 2.32ab | 8.88 ± 1.21b | 10.06 ± 0.01c |
15 | 7.43 ± 0.43a | 8.01 ± 1.51ab | 8.02 ± 1.31b | 9.71 ± 1.89c |
30 | 6.25 ± 0.71a | 7.02 ± 0.88ab | 7.19 ± 2.07b | 8.24 ± 2.33c |
45 | 4.78 ± 0.71a | 6.45 ± 1.74b | 6.65 ± 1.34b | 7.65 ± 1.74c |
Total count cfu/ml | ||||
1 | 7.87 ± 1.09a | 8.82 ± 1.87ab | 9.55 ± 1.29b | 11.59 ± 1.63c |
15 | 7.01 ± 0.58a | 7.41 ± 2.87a | 8.26 ± 1.42b | 9.64 ± 0.20b |
30 | 6.43 ± 1.27a | 6.44 ± 1.97a | 7.89 ± 0.38b | 8.76 ± 1.54b |
45 | 5.69 ± 1.87a | 6.06 ± 0.37a | 7.31 ± 0.12b | 7.62 ± 0.24b |
Mold, yeast cfu/ml | ||||
1 | ND | ND | ND | ND |
15 | ND | ND | ND | ND |
30 | ND | ND | ND | ND |
45 | ND | ND | ND | ND |