Table 3.
Effect of pH on the viability of free and microencapsulated (alginate+xanthan gum) L. rhamnosus microcapsules (log cfu mL−1).
| pH | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | 1 | 2 | 3 | 7 | |||||
| (h) | |||||||||
| Free cells | 2 | 6.97 ± 0.01 | Aa | 9.030 ± 0.01 | Bg | 10.40 ± 0.05 | Cm | 10.70 ± 0.67 | Ds |
| 4 | 6.96 ± 0.01 | Ac | 9.050 ± 0.03 | Bi | 10.30 ± 0.15 | Co | 10.40 ± 0.71 | Dr | |
| 6 | 6.92 ± 0.01 | Ae | 7.970 ± 0.02 | Bk | 10.10 ± 0.11 | Cq | 10.10 ± 0.10 | Dt | |
| MC cells | 2 | 8.72 ± 0.59 | Ab | 9.060 ± 0.04 | Bh | 10.10 ± 0.10 | Cn | 9.23 ± 0.01 | Dq |
| 4 | 9.04 ± 0.07 | Ad | 9.030 ± 0.03 | Bj | 10.20 ± 0.02 | Cp | 9.23 ± 0.04 | Ds | |
| 6 | 8.96 ± 0.02 | Af | 9.270 ± 0.01 | Bl | 10.20 ± 0.01 | Cr | 9.40 ± 0.56 | Du | |
Values are mean ± SD of three independent determination (n = 3) of each isolate. A, B, C, D means within a row differed significantly (p < 0.05). a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u means within a column differed significantly (p < 0.05) (n = 3).