Table 3.
Effect of interesterification on slip melting point (SMP), solid fat content (SFC) and plastic range of FHPO/SBO blends
FHPO/SBO ratio | SMP (°C) | SFC (%) | Plastic range (°C) | ||||||
---|---|---|---|---|---|---|---|---|---|
0 °C | 10 °C | 20 °C | 30 °C | 40 °C | 50 °C | ||||
15/85 | NIE | 48.0 ± 0.2a | – | 18.54 ± 0.04a | 16.21 ± 0.01a | 13.73 ± 0.03a | 9.01 ± 0.01a | – | NIR (< 0)–25.09 |
IE | 27.5 ± 0.3b | 12.55 ± 0.05 | 6.82 ± 0.02b | 3.54 ± 0.05b | 0.61 ± 0.01b | 0.00b | 0.00 | NIR | |
25/75 | NIE | 50.0 ± 0.2a | – | 30.01 ± 0.01a | 27.01 ± 0.02a | 23.49 ± 0.01a | 17.74 ± 0.04a | – | 26.08–44.35 |
IE | 34.5 ± 0.3b | 22.22 ± 0.02 | 13.81 ± 0.01b | 7.24 ± 0.04b | 3.62 ± 0.08b | 0.40 ± 0.01b | 0.00 | NIR (< 0)–8.65 | |
35/65 | NIE | 52.5 ± 0.2a | – | 40.21 ± 0.01a | 37.39 ± 0.08a | 33.55 ± 0.05a | 27.18 ± 0.01a | – | 42.87–NIR (> 50) |
IE | 39.5 ± 0.3b | 38.24 ± 0.05 | 22.20 ± 0.01b | 15.53 ± 0.02b | 8.80 ± 0.01b | 1.50 ± 0.01b | 0.00 | 9.58–8.93 | |
45/55 | NIE | 54.0 ± 0.3a | – | 46.88 ± 0.09a | 44.03 ± 0.04a | 40.12 ± 0.08a | 34.09 ± 0.07a | – | NIR |
IE | 44.0 ± 0.2b | 50.72 ± 0.02 | 36.30 ± 0.01b | 24.92 ± 0.03b | 15.97 ± 0.02b | 6.04 ± 0.05b | 0.00 | 20.04–29.07 | |
55/45 | NIE | 55.5 ± 0.3a | – | 58.43 ± 0.08a | 55.98 ± 0.01a | 51.51 ± 0.01a | 45.85 ± 0.08a | – | NIR |
IE | 47.5 ± 0.3b | 62.18 ± 0.01 | 49.60 ± 0.07b | 37.43 ± 0.04b | 25.64 ± 0.05b | 13.20 ± 0.01b | 0.01 ± 0.01 | 29.47–36.96 | |
65/35 | NIE | 56.5 ± 0.2a | – | 69.73 ± 0.07a | 67.40 ± 0.08a | 63.90 ± 0.09a | 58.52 ± 0.02a | – | NIR |
IE | 50.0 ± 0.4b | 73.16 ± 0.04 | 64.82 ± 0.03b | 53.81 ± 0.02b | 38.11 ± 0.08b | 23.30 ± 0.01b | 0.83 ± 0.04 | 37.42–42.69 | |
75/25 | NIE | 57.5 ± 0.3a | – | 77.96 ± 0.04a | 77.46 ± 0.04a | 73.08 ± 0.08a | 68.45 ± 0.05a | – | NIR |
IE | 52.0 ± 0.2b | 81.90 ± 0.01 | 77.16 ± 0.03b | 68.81 ± 0.01b | 55.98 ± 0.02b | 37.64 ± 0.04b | 9.56 ± 0.06 | 43.97–48.31 | |
85/15 | NIE | 58.5 ± 0.3a | – | 86.40 ± 0.09a | 85.80 ± 0.01a | 82.99 ± 0.01a | 79.07 ± 0.07a | – | NIR |
IE | 54.5 ± 0.2b | 88.55 ± 0.05 | 86.55 ± 0.05a | 82.73 ± 0.03b | 74,43 ± 0.07b | 55.98 ± 0.02b | 26.43 ± 0.07 | NIR | |
95/5 | NIE | 59.5 ± 0.2a | – | 93.88 ± 0.01a | 93.43 ± 0.01a | 93.00 ± 0.01a | 90.29 ± 0.01a | – | NIR |
IE | 56.0 ± 0.3b | 94.92 ± 0.07 | 93.12 ± 0.04b | 92.50 ± 0.01b | 89.71 ± 0.02b | 76.11 ± 0.07b | 45.52 ± 0.03 | NIR | |
100/0 | NIE | 60.0 ± 0.2a | – | 96.50 ± 0.01a | 96.41 ± 0.02a | 94.52 ± 0.03a | 92.35 ± 0.05a | – | NIR |
IE | 57.0 ± 0.2b | 96.32 ± 0.02 | 95.73 ± 0.03b | 94.61 ± 0.01b | 93.91 ± 0.07b | 86.90 ± 0.08b | 57.53 ± 0.03 | NIR |
Values are shown as mean ± standard deviation. Mean (n = 3) values with different lower case letters represents the significant effect of interesterification in the same blend at p < 0.05
NIE non-interesterified, IE interesterified, FHPO fully hydrogenated palm olein, SBO soybean oil, NIR not plastic in SFC measurement range