Table 6.
Lipid oxidation in low melting point fractions of buffalo milk fat
Parameters | Storage Days | PBMF | LMPF-25 | LMPF-15 | LMPF-10 |
---|---|---|---|---|---|
Free Fatty Acids | 0 | 0.11 ± 0.01b | 0.10 ± 0.02b | 0.11 ± 0.01b | 0.11 ± 0.02b |
45 | 0.12 ± 0.02b | 0.11 ± 0.03b | 0.12 ± 0.02b | 0.12 ± 0.01b | |
90 | 0.15 ± 0.01a | 0.15 ± 0.02a | 0.14 ± 0.03a | 0.14 ± 0.01a | |
Peroxide Value (MeqO2/kg) | 0 | 0.25 ± 0.02d | 0.26 ± 0.03d | 0.25 ± 0.02d | 0.28 ± 0.03d |
45 | 0.32 ± 0.04d | 0.37 ± 0.03d | 0.35 ± 0.07d | 0.38 ± 0.05d | |
90 | 0.54 ± 0.09c | 0.98 ± 0.05b | 1.26 ± 0.13a | 1.46 ± 0.08a | |
Iodine Value Cg/100 g | 0 | 35.56 ± 0.55e | 39.11 ± 1.44d | 42.78 ± 0.34c | 47.89 ± 0.52a |
45 | 35.13 ± 0.42e | 39.03 ± 0.45d | 41.11 ± 0.14d | 46.72 ± 0.35a | |
90 | 34.73 ± 0.15e | 38.94 ± 0.25d | 40.58 ± 0.07d | 44.55 ± 0.21b | |
Anisidine Value | 0 | 4.59 ± 0.23i | 4.75 ± 0.34i | 4.78 ± 0.13i | 4.75 ± 0.17i |
45 | 6.69 ± 0.35h | 11.98 ± 0.76f | 13.58 ± 0.14e | 18.99 ± 0.37b | |
90 | 10.73 ± 0.15g | 18.75 ± 0.81d | 22.63 ± 0.22c | 27.85 ± 0.61a | |
Conjugated Dienes (1% ε1CM [λ232]) | 0 | 0.39 ± 0.02g | 0.39 ± 0.02g | 0.39 ± 0.02g | 0.39 ± 0.02g |
45 | 1.88 ± 0.11f | 2.05 ± 0.15e | 2.81 ± 0.03d | 3.25 ± 0.12c | |
90 | 3.19 ± 0.27c | 3.35 ± 0.29c | 4.46 ± 0.14b | 5.75 ± 0.11a |
In the rows and column of one parameter, if means are expressed with a different letter, these are statistically significant (p < 0.05)
PBMF: Parent Buffalo Milk Fat
LMPF-25: Low Melting Point Fraction of Buffalo Milk Fat Obtained at 25 °C
LMPF-15: Low Melting Point Fraction of Buffalo Milk Fat Obtained at 15 °C
LMPF-10: Low Melting Point Fraction of Buffalo Milk Fat Obtained at 10 °C