Table 3.
Densitometric analysis of SDS-PAGE protein bands (Figure 1) of ricotta at 0 (T0) and 5 (T5) days of conservation, obtained from the milk of the goat breeds Teramana and Saanen.
| T0 | T5 | p-Value | ||||||
|---|---|---|---|---|---|---|---|---|
| Teramana | Saanen | Teramana | Saanen | SEM | R | T | R × T | |
| Lactoferrin | 4.82 | 5.50 | 5.01 | 5.45 | 1.36 | ns | ns | ns |
| Serum albumin | 9.19 | 9.22 | 8.31 | 9.16 | 0.13 | ns | ns | ns |
| Immunoglobulin | 15.10 | 15.37 | 14.80 | 14.41 | 0.17 | ns | ns | ns |
| Casein residues | 24.09 a | 19.59 b | 23.93 a | 20.76 b | 2.15 | 0.001 | ns | ns |
| β-lactoglobulin | 29.25 a | 24.72 b | 30.94 a | 25.15 b | 1.60 | 0.001 | ns | ns |
| α-lactoalbumin | 17.52 b | 25.56 a | 16.97 b | 25.03 a | 2.30 | 0.01 | ns | ns |
All data are reported as relative least square means; the percentages of the total protein content are shown in the reference column. Different letters in the same row indicate significant differences. SEM: pooled standard error of the mean. R: breed; T: conservation; ns: not significant.