Table 4.
Storage period (day) | Yoghurt sample | |||||
---|---|---|---|---|---|---|
CY | PY | PFY0 | PFY1 | PFY2 | PFY3 | |
Appearance (10) | ||||||
Fresh | 8.00 ± 1.00 abA | 8.00 ± 0.00 abA | 8.00 ± 1.00 abA | 8.00 ± 0.00 abA | 8.67 ± 0.58 aA | 7.33 ± 0.58 bA |
7 days | 8.00 ± 0.00 bA | 8.00 ± 0.00 bA | 8.33 ± 0.58abA | 8.33 ± 0.58 abA | 9.00 ± 0.00 aA | 7.67 ± 0.58 bA |
14 days | 7.33 ± 0.58 cAB | 7.67 ± 0.58 cA | 8.67 ± 0.58 abA | 8.67 ± 0.58 abA | 9.00 ± 0.00 aA | 8.00 ± 0.00 bcA |
21 days | 6.67 ± 0.58 dB | 7.00 ± 0.00 cdB | 8.33 ± 0.58 abA | 8.33 ± 0.58 abA | 9.00 ± 0.00 aA | 7.67 ± 0.58 bcA |
Body & texture (30) | ||||||
Fresh | 24.00 ± 1.00 cA | 25.00 ± 1.00 bcA | 26.00 ± 1.00 bA | 26.00 ± 0.00 bA | 27.67 ± 0.58 aA | 28.33 ± 0.58 aA |
7 days | 24.33 ± 0.58 cA | 25.33 ± 1.15 bcA | 26.33 ± 0.58 bA | 26.33 ± 0.58 bA | 28.00 ± 0.00 aA | 28.67 ± 0.58 aA |
14 days | 23.67 ± 0.58 cA | 25.33 ± 1.15 bA | 26.33 ± 0.58 bA | 26.33 ± 0.58 bA | 28.67 ± 0.58 aA | 29.00 ± 0.00 aA |
21 days | 22.67 ± 1.53 cB | 24.67 ± 1.53 bA | 26.00 ± 0.00 bA | 26.00 ± 0.00 bA | 28.67 ± 0.58 aA | 28.67 ± 0.58 aA |
Flavour (60) | ||||||
Fresh | 50.00 ± 0.00 eA | 52.00 ± 1.00 dA | 54.67 ± 0.58 cA | 56.00 ± 1.00 bA | 57.33 ± 0.58 aB | 56.67 ± 0.58 abA |
7 days | 52.33 ± 0.58 dA | 52.33 ± 0.58 cA | 55.33 ± 0.58 bA | 56.67 ± 1.53 abA | 58.00 ± 0.00 aAB | 57.67 ± 0.58 aA |
14 days | 50.33 ± 0.58 eA | 52.33 ± 0.58 dA | 55.33 ± 0.58 cA | 57.00 ± 1.00 bA | 58.33 ± 0.58 aA | 57.67 ± 0.58 abA |
21 days | 48.33 ± 1.53 eB | 50.33 ± 0.58 dA | 55.67 ± 0.58 cA | 57.33 ± 0.58 abA | 58.67 ± 0.58 aA | 56.67 ± 0.58 bcA |
Overall acceptability (100) | ||||||
Fresh | 82.00 ± 0.00 dA | 85.00 ± 1.73 cA | 88.67 ± 2.08 bA | 90.00 ± 1.00 bA | 93.67 ± 0.58 aC | 92.33 ± 0.58 aB |
7 days | 82.67 ± 0.58 dA | 85.67 ± 0.58 cA | 90.00 ± 1.00 bA | 91.33 ± 2.08 bA | 95.00 ± 0.00 aB | 94.00 ± 1.73 aAB |
14 days | 81.33 ± 1.53 eA | 85.33 ± 0.58 dA | 90.33 ± 0.58 cA | 92.00 ± 1.00 bA | 96.00 ± 0.00 aA | 94.67 ± 0.58 aA |
21 days | 77.67 ± 2.52 eB | 82.00 ± 1.00 dB | 90.00 ± 0.00 cA | 91.67 ± 0.58 bcA | 96.33 ± 0.58 aA | 93.00 ± 1.00 bAB |
Mean (± SD) with small letters (abc) indicate significant differences among probiotic yoghurts flavored with different white Sapote fruit pulp levels. (in rows), P < 0.05.Mean (± SD) with capital letters (ABC) indicate significant differences among probiotic yoghurts samples during storage (in columns), P < 0.05
where: CY, control yoghurt; PY, probiotic yoghurt; PFY0, flavored probiotic yoghurt without fruit pulp; PFY1, flavored probiotic yoghurt with 5% fruit pulp; PFY2, flavored probiotic yoghurt with 10% fruit pulp; PFY3, flavored probiotic yoghurt with 15% fruit pulp