Table 6 Microbiological analysis of functional frozen yogurt during storage

From: Carob Pod Nanoparticles: enhancing physicochemical, antioxidant, and antibacterial properties of innovative functional frozen yogurt

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

  1. Control (Ctrl); frozen yogurt with 4% carob pods (FYC4); 8% carob pods (FYC8); and 12% carob pods (FYC12). Data are expressed as mean ± standard deviation (M ± SD). Within each row, means sharing the same letter do not differ significantly (p > 0.05), whereas means with different letters indicate significant differences (p < 0.05).