Table 2.
Biogenic amine concentration (mM) at 48 h during in vitro rumen fermentation using different ratios of soybean meal and soluble starch
| Amines | Soybean meal:soluble starch ratio | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Control | 10:0 | 7:3 | 5:5 | 3:7 | 0:10 | |
| Histamine | 0.013c | 3.230a | 2.134b | 0.020c | 0.026c | 0.015c |
| Methylamine | ND | 0.198 | 0.017 | ND | ND | ND |
| Ethylamine | ND | 0.376 | 0.072 | ND | ND | ND |
| Tyramine | ND | ND | ND | ND | ND | ND |
| Phenylethylamine | ND | ND | ND | ND | ND | ND |
| Putrescine | ND | 0.863 | 0.222 | 0.000 | 0.000 | ND |
| Cadaverine | ND | 0.343 | 0.071 | ND | ND | ND |
| Amine index | 0.013b | 4.436a | 2.427a | 0.020b | 0.026b | 0.015b |
| Total amine | 0.013c | 5.009a | 2.516b | 0.020c | 0.026c | 0.015c |
ND, not detected.
Means with different superscripts in a row differ significantly (p<0.05).