Table 1.
Calcium, phosphorus and sodium content (mg/100 g) and molar ratio of Ca/P in whole and semi-skimmed commercial Italian milk. Data are shown as the mean with standard deviation (SD) and minimum and maximum values.
| Milk | Calcium | Phosphorus | Sodium | Ca/P | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Whole—18 samples | ||||||||||||
| Mean ± SD | 112.7 ± 5.3 | 94.2 a ± 3.2 | 43.8 ± 3.6 | 0.9 | ||||||||
| Min–Max | 101.5–121.7 | 86.6–98.1 | 36.4–51.9 | 0.9–1.0 | ||||||||
| PW—3 samples | ||||||||||||
| Mean ± SD | 111.1 ± 1.8 | 93.3 ± 0.6 | 41.5 ± 5.0 | 0.9 | ||||||||
| Min–Max | 109.0–112.2 | 92.9–94.0 | 36.3–46.3 | 0.9–0.9 | ||||||||
| MW—3 samples | ||||||||||||
| Mean ± SD | 110.9 ± 5.1 | 92.0 ± 4.6 | 44.5 ± 7.1 | 0.9 | ||||||||
| Min–Max | 105.1–114.2 | 86.6–95.1 | 37.8–51.9 | 0.9–0.9 | ||||||||
| UHTW—12 samples | ||||||||||||
| Mean ± SD | 113.5 ± 6.0 | 95.1 ± 3.1 | 44.1 ± 2.2 | 0.9 | ||||||||
| Min–Max | 101.5–121.7 | 88.1–98.1 | 40.5–47.8 | 0.9–1.0 | ||||||||
| Semi-Skimmed—20 samples | ||||||||||||
| Mean ± SD | 115.5 ± 4.9 | 96.5 b ± 3.4 | 43.3 ± 3.3 | 0.9 | ||||||||
| Min–Max | 105.1–123.3 | 88.8–102.6 | 38.7–52.0 | 0.9–1.0 | ||||||||
| PS—2 samples | ||||||||||||
| Mean ± SD | 114.6 ± 1.1 | 95.4 ± 0.1 | 45.9 ± 2.8 | 0.9 | ||||||||
| Min–Max | 113.8–115.3 | 95.4–95.5 | 43.9–47.8 | 0.9–0.9 | ||||||||
| MS—4 samples | ||||||||||||
| Mean ± SD | 113.7 ± 4.5 | 95.1 ± 4.5 | 44.4 ± 5.4 | 0.9 | ||||||||
| Min–Max | 107.0–116.6 | 88.8–99.1 | 39.0–52.0 | 0.9–0.9 | ||||||||
| UHTS—14 samples | ||||||||||||
| Mean ± SD | 116.2 ± 5.4 | 97.1 ± 3.3 | 42.6 ± 2.6 | 0.9 | ||||||||
| Min–Max | 105.1–123.4 | 91.3–102.6 | 38.7–47.0 | 0.9–1.0 | ||||||||
PW = pasteurized whole milk; MW = microfiltered whole milk; UHTW = UHT whole milk; PS = pasteurized semi-skimmed milk; MS = microfiltered semi-skimmed milk; UHTS = UHT semi-skimmed milk; Values in the same column with different lowercase letters are significantly different (p < 0.05).