Table 2.
Result of control quality of AIO-PN in the specific storage temperature
| Testing period | Temperature | Visual detection |
Particle size |
pH |
Microbial growth |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F1 | F2 | F3 | F1 | F2 | F3 | F1 | F2 | F3 | F1 | F2 | F3 | ||
| Day 1 | Room | White, milky | White, milky | White, milky | 344.97 ± 3.700 | 314.60 ± 2.307 | 341.70 ± 3.915 | 5.86 ± 0.012 | 6.06 ± 0.087 | 5.90 ± 0.026 | No | No | No |
| Cold | White, milky | White, milky | White, milky | 351.30 ± 7.227 | 313.23 ± 1.159 | 338.57 ± 2.228 | 6.06 ± 0.087 | 5.75 ± 0.038 | 5.84 ± 0.012 | No | No | No | |
| Day 2 | Room | Slight and reversible creaming | Slight and reversible creaming | Slight and reversible creaming | 317.73 ± 0.777 | 322.63 ± 2.593 | 356.20 ± 4.244 | 5.91 ± 0.015 | 5.76 ± 0.015 | 6.02 ± 0.036 | No | No | No |
| Cold | White, milky | White, milky | White, milky | 344.90 ± 0.800 | 356.63 ± 2.122 | 475.57 ± 2.442 | 5.63 ± 0.049 | 6.04 ± 0.030 | 6.03 ± 0.036 | No | No | No | |
| Day 3 | Room | Slight and reversible creaming | Slight and reversible creaming | Slight and reversible creaming | 292.37 ± 1.656 | 334.40 ± 1.353 | 351.27 ± 6.704 | 6.03 ± 0.036 | 5.94 ± 0.068 | 6.16 ± 0.0416 | No | No | No |
| Cold | Slight and reversible creaming | Slight and reversible creaming | Slight and reversible creaming | 329.90 ± 3.951 | 300.03 ± 6.058 | 307.37 ± 1.955 | 5.52 ± 0.098 | 6.04 ± 0.030 | 6.03 ± 0.036 | No | No | No | |
| Day 4 | Room | Yellowish, oily in the bottle | Yellowish, oily in the bottle | Yellowish, oily in the bottle | 585.23 ± 2.970 | 334.37 ± 2.984 | 453.23 ± 2.579 | 5.71 ± 0.053 | 5.66 ± 0.065 | 6.12 ± 0.015 | No | No | No |
| Cold | Slight and reversible creaming | Slight and reversible creaming | Slight and reversible creaming | 349.00 ± 0.436 | 342.43 ± 0.929 | 319.67 ± 0.643 | 6.12 ± 0.015 | 6.04 ± 0.026 | 6.10 ± 0.031 | No | No | No | |
| Day 5 | Room | Yellowish, oily in the bottle | Yellowish, oily in the bottle | Yellowish, oily in the bottle | 587.53 ± 12.266 | 352.27 ± 8.693 | 766.20 ± 2.227 | 5.46 ± 0.091 | 5.68 ± 0.047 | 5.76 ± 0.040 | No | No | No |
| Cold | Slight and reversible creaming | Slight and reversible creaming | Slight and reversible creaming | 335.87 ± 2.829 | 361.13 ± 1.007 | 324.87 ± 4.010 | 6.13 ± 0.035 | 6.15 ± 0.101 | 6.16 ± 0.040 | No | No | No | |
| Day 6 | Room | Yellowish, oily in the bottle | Yellowish, oily in the bottle | Yellowish, oily in the bottle | 317.83 ± 1.069 | 318.77 ± 0.635 | 305.93 ± 2.485 | 5.80 ± 0.015 | 5.70 ± 0.068 | 5.98 ± 0.064 | No | No | No |
| Cold | Slight and reversible creaming | Slight and reversible creaming | Slight and reversible creaming | 352.10 ± 3.727 | 362.20 ± 0.283 | 323.03 ± 1.193 | 5.90 ± 0.015 | 5.98 ± 0.064 | 6.08 ± 0.040 | No | No | No | |
| Day 7 | Room | Yellowish, oily in the bottle | Yellowish, oily in the bottle | Yellowish, oily in the bottle | 332.67 ± 2.055 | 766.57 ± 12.169 | 291.37 ± 3.179 | 5.4 ± 0.075 | 5.85 ± 0.040 | 5.78 ± 0.090 | No | No | No |
| Cold | Slight and reversible creaming | Slight and reversible creaming | Slight and reversible creaming | 369.20 ± 1.136 | 303.63 ± 0.603 | 325.70 ± 1.153 | 5.82 ± 0.006 | 6.22 ± 0.062 | 6.15 ± 0.062 | No | No | No | |
F1 = standard formula for preterm baby weighing 1000 g in the first day, F2 = standard formula for preterm baby weighing 1000 g in the second day, F3 = standard formula for preterm baby weighing 1000 g in the third day