Table 1.
The effect of dietary supplementation with quercetin on selected trace- and macro-elements concentrations in laying hens’ egg albumen (n = 7).
| Treatment | ||||||
|---|---|---|---|---|---|---|
| Elements (ppb) | C | Q2 | Q4 | Q8 | SEM | p-Value |
| As | 4.27 a | 4.40 a | 5.06 b | 5.31 b | 0.113 | <0.001 |
| Ca | 7.15 × 104 | 6.78 × 104 | 5.59 × 104 | 5.19 × 104 | 7.41 × 103 | 0.214 |
| Cd | 2.77 a | 3.73 b | 3.14 ab | 3.67 b | 0.233 | 0.022 |
| Co | 1.31 | 1.60 | 1.33 | 1.33 | 0.099 | 0.147 |
| Cr | 89.5 c | 87.2 c | 81.2 b | 76.3 a | 1.386 | <0.001 |
| Cu | 276.7 | 244.3 | 246.7 | 248.7 | 15.81 | 0.446 |
| Fe | 5.21 × 103 | 7.31 × 103 | 6.65 × 103 | 5.50 × 103 | 806.6 | 0.246 |
| Mg | 1.06 × 105 | 0.908 × 105 | 1.02 × 105 | 0.959 × 105 | 4.74 × 103 | 0.154 |
| Mn | 58.5 | 65.4 | 61.7 | 62.7 | 9.014 | 0.959 |
| Ni | 40.7 | 37.0 | 37.9 | 40.8 | 2.207 | 0.519 |
| Sb | 0.019 a | 0.014 a | 0.585 a | 2.69 b | 0.426 | 0.001 |
| Se | 88.6c | 84.2 bc | 67.7 ab | 58.0 a | 6.672 | 0.011 |
| Sr | 150.3 | 152.9 | 132.4 | 146.4 | 9.593 | 0.454 |
| V | 78.8 | 81.6 | 82.9 | 84.3 | 1.631 | 0.129 |
| Zn | 1.68 × 103 | 1.41 × 103 | 1.18 × 103 | 1.49 × 103 | 143.8 | 0.129 |
C: no additive, Q2, Q4 and Q8: 200, 400 and 800 mg quercetin per kg of feed, respectively. a,b,c means in a row sharing no common superscript differ significantly (p < 0.05).