Table 7 Total psychrophilic bacteria counts of the treated low-fat yogurt incorporated with or without Phycocyanin and phycoerythrin during 28 days at 4 °C, and 8 °C.
4 °C | 1 day | 3 day | 7 day | 14 day | 21 day | 28 day |
|---|---|---|---|---|---|---|
(C) | 2.9166 ± 0.0145(a, A) | 3.096 ± 0.014(a, B) | 3.360 ± 0.005(a, C) | 4.110 ± 0.015(a, D) | 4.186 ± 0.008(a, E) | 4.373 ± 0.003(a, F) |
(+ PE) | 2.886 ± 0.008 (a, A) | 2.976 ± 0.003(b, A) | 3.180 ± 0.017(bc, B) | 3.386 ± 0.003(b, C) | 3.663 ± 0.029(b, D) | 3.746 ± 0.031(b, D) |
(+ PC) | 2.903 ± 0.023 (a, A) | 2.993 ± 0.014(b, B) | 3.230 ± 0.005(b, C) | 3.393 ± 0.003(b, D) | 3.710 ± 0.026(b, E) | 3.850 ± 0.020(c, F) |
(PE + PC) | 2.880 ± 0.015 (a, A) | 2.953 ± 0.013(b, A) | 3.143 ± 0.012(c, B) | 3.260 ± 0.005(c, C) | 3.433 ± 0.014(c, D) | 3.660 ± 0.030(b, E) |
8 °C | 1 day | 3 day | 7 day | 14 day | 21 day | 28 day |
|---|---|---|---|---|---|---|
(C) | 2.916 ± 0.014(a, A) | 3.376 ± 0.008(a, B) | 3.906 ± 0.008(a, C) | 4.380 ± 0.005(a, D) | 4.770 ± 0.015(a, E) | 5.380 ± 0.005(a, F) |
(+ PE) | 2.886 ± 0.008(a, A) | 3.170 ± 0.005(b, B) | 3.373 ± 0.006(b, C) | 3.806 ± 0.026(bc, D) | 4.243 ± 0.008(b, E) | 4.813 ± 0.028(b, F) |
(+ PC) | 2.903 ± 0.023(a, A) | 3.203 ± 0.013(b, B) | 3.383 ± 0.006(b, C) | 3.833 ± 0.021(b, D) | 4.256 ± 0.003(b, E) | 4.856 ± 0.020(c, F) |
(PE + PC) | 2.880 ± 0.015(a, A) | 3.013 ± 0.012(c, B) | 3.353 ± 0.003(b, C) | 3.743 ± 0.017(c, D) | 4.133 ± 0.006(c, E) | 4.680 ± 0.040(b, F) |