Table 5.
Concentrations of inositol phosphates or myo-inositol (µmol/g DM) in duodenum–jejunal, ileal, and fecal samples of piglets fed with experimental diets1,2
| Item | PC | NC | NC + 1,500 | NC + 3,000 | SEM | P-value |
|---|---|---|---|---|---|---|
| Duodenum–Jejunum | ||||||
| Ins(1,2,6;1,4,5;2,4,5)P3 | 0.58 | 0.69 | 2.65 | 2.12 | 1.76 | 0.88 |
| Ins(1,2,3,4)P4 | 0.42 | 0.35 | 0.58 | n.d.3 | — | — |
| Ins(1,2,5,6)P4 | 0.97b | 0.97b | 6.90a | 4.93a | 3.66 | 0.02 |
| Ins(1,2,3,4,6)P5 | 0.57 | 0.52 | n.d. | n.d. | — | — |
| Ins(1,2,3,4,5)P5 | 1.45a | 1.38a | 0.69b | 0.35b | 0.4 | 0.02 |
| Ins(1,2,4,5,6)P5 | 2.08a | 2.05a | 0.46b | n.d. | 0.4 | 0.003 |
| InsP6 | 22.10a | 22.23a | 2.69b | 1.84b | 4.3 | <0.001 |
| myo-inositol | 1.02bc | 0.82c | 1.80ab | 2.47a | 0.65 | <0.001 |
| Ileum | ||||||
| Ins(1,2,6;1,4,5;2,4,5)P3 | 0.61 | 0.63 | 3.69 | 1.93 | 1.66 | 0.29 |
| Ins(1,2,3,4)P4 | 0.54 | 0.45 | n.d. | n.d. | 0.12 | 0.19 |
| Ins(1,2,5,6)P4 | 1.76 | 1.52 | 7.20 | 4.74 | 4.89 | 0.23 |
| Ins(1,2,3,4,6)P5 | 0.54 | 0.61 | n.d. | n.d. | 0.07 | 0.10 |
| Ins(1,2,3,4,5)P5 | 2.37 | 2.02 | 0.87 | 0.34 | 0.72 | 0.08 |
| Ins(1,2,4,5,6)P5 | 3.13a | 3.11a | 0.33b | n.d. | 0.70 | 0.01 |
| InsP6 | 34.28a | 31.38a | 2.31b | 1.61b | 4.55 | <0.001 |
| myo-inositol | 0.50b | 0.52b | 2.15a | 2.63a | 0.99 | <0.001 |
| Feces | ||||||
| Ins(1,2,6;1,4,5;2,4,5)P3 | n.d. | n.d. | n.d. | n.d. | — | — |
| Ins(1,2,3,4)P4 | n.d. | n.d. | n.d. | n.d. | — | — |
| Ins(1,2,5,6)P4 | 0.43 | n.d. | 0.43 | n.d. | — | — |
| Ins(1,2,3,4,6)P5 | 0.49 | n.d. | n.d. | n.d. | — | — |
| Ins(1,2,3,4,5)P5 | 1.04a | 0.37b | 0.32b | n.d. | 0.15 | 0.01 |
| Ins(1,2,4,5,6)P5 | 1.79a | 0.76b | n.d. | n.d. | 0.38 | 0.01 |
| InsP6 | 24.55a | 8.95b | 2.23c | 1.38c | 3.7 | <0.001 |
| myo-inositol | 0.22 | 0.23 | 0.11 | 0.11 | 0.1 | 0.16 |
1PC, positive control diet with adequate Ca and P; NC, negative control diet with inadequate Ca and P; NC+1,500, NC containing 1,500 FTU/kg phytase; NC+3,000, NC containing 3,000 FTU/kg phytase.
2Data are means of eight observations per treatment.
3n.d., not detectable in the majority of samples.
a–cWithin a row, means without a common superscript differ (P < 0.05).