Table 8.
HMDB compound classification of differential metabolites of feces between NCG group and CON groupa.
| Super classb | Metabolitec | RT (s)d | m/ze | VIPf | p-Valueg | Fold changeh |
|---|---|---|---|---|---|---|
| Alkaloids and derivatives | Lyconnotine | 238.953 | 292.190 | 1.634 | 0.040 | 0.880 |
| Flazine | 279.120 | 309.086 | 1.966 | 0.016 | 0.836 | |
| Rodiasine | 253.376 | 623.306 | 2.359 | 0.001 | 0.521 | |
| Benzenoids | Butenafine | 424.995 | 318.219 | 1.929 | 0.025 | 2.550 |
| 2-Phenylethylamine | 168.051 | 122.096 | 1.723 | 0.041 | 0.662 | |
| Styrene | 168.051 | 105.070 | 1.717 | 0.042 | 0.659 | |
| 2-Iodophenol methyl ether | 26.382 | 234.961 | 1.767 | 0.033 | 0.833 | |
| Hydrocarbons | 5-propylideneisolongifolane | 503.255 | 247.242 | 2.032 | 0.011 | 1.080 |
| Santene | 480.754 | 123.117 | 1.855 | 0.024 | 1.115 | |
| Lipids and lipid-like molecules | Docosahexaenoic Acid ethyl ester | 448.512 | 357.278 | 1.874 | 0.029 | 1.279 |
| Dihydroceramide C2 | 471.910 | 344.315 | 1.708 | 0.029 | 1.170 | |
| Digeranyl | 538.957 | 275.273 | 1.719 | 0.049 | 1.118 | |
| 4,8 dimethylnonanoyl carnitine | 232.523 | 330.263 | 2.705 | 0.000 | 1.655 | |
| Tocotrienol | 489.569 | 411.325 | 1.932 | 0.010 | 0.871 | |
| (22E, 24x)-Ergosta-4,6,8,22-tetraen-3-one | 489.569 | 393.314 | 1.870 | 0.014 | 0.871 | |
| 13-Methyl-4,4-Bisnor-8,11,13-Podocarpatrien-3-ONE | 489.570 | 229.158 | 1.929 | 0.011 | 0.861 | |
| 5,12-Octadecadiynoic acid | 414.071 | 277.216 | 1.987 | 0.018 | 0.831 | |
| PE (18:1(9Z)/0:0) | 418.124 | 480.307 | 1.888 | 0.018 | 0.820 | |
| Camelledionol | 450.066 | 441.335 | 1.751 | 0.037 | 0.814 | |
| ent-6,16-Kauradien-19-oic acid | 474.300 | 301.216 | 1.706 | 0.026 | 0.798 | |
| 3-Oxo-5-chol-8-en-24-oic Acid | 383.525 | 373.273 | 1.651 | 0.045 | 0.834 | |
| LysoPE(0:0/18:0) | 462.739 | 482.323 | 1.758 | 0.048 | 0.836 | |
| Ruscogenin | 486.895 | 431.315 | 2.091 | 0.005 | 0.430 | |
| (2E,6E,10R,11S)-10,11-epoxy-3,7,11-trimethyltrideca-2,6-dienoic acid | 306.946 | 267.195 | 1.657 | 0.040 | 0.855 | |
| Juvenile hormone I | 414.071 | 295.226 | 2.194 | 0.019 | 0.820 | |
| 3beta-Hydroxylanostane-7,11-dione acetate | 402.001 | 501.390 | 2.256 | 0.002 | 0.711 | |
| Xanthophyll | 587.571 | 568.426 | 1.646 | 0.032 | 0.836 | |
| (24R)-1,24-dihydroxy-26,27-dimethyl-22-oxavitamin D3 | 533.250 | 447.346 | 2.091 | 0.009 | 0.818 | |
| 30:5(15Z,18Z,21Z,24Z,27Z) | 402.001 | 443.387 | 2.062 | 0.008 | 0.748 | |
| Stenocereol | 515.232 | 415.356 | 1.657 | 0.050 | 0.833 | |
| Cassaine | 379.488 | 406.294 | 2.284 | 0.001 | 0.589 | |
| Erythroxanthin | 471.623 | 599.417 | 2.114 | 0.006 | 0.691 | |
| (11Z)-8,18-propano-retinal | 379.490 | 325.252 | 2.374 | 0.001 | 0.587 | |
| LysoPE[0:0/20:4(5Z,8Z,11Z,14Z)] | 426.975 | 502.289 | 2.005 | 0.010 | 0.781 | |
| LPA (0:0/16:0) | 379.481 | 411.250 | 2.296 | 0.002 | 0.484 | |
| 25-Hydroxycholecalciferol (25-hydroxyvitamin D3) | 385.926 | 423.325 | 1.876 | 0.017 | 0.811 | |
| Glycyrrhetinic Acid | 372.918 | 469.331 | 1.915 | 0.021 | 0.696 | |
| PE (18:1(9Z)/0:0) | 425.902 | 478.293 | 2.269 | 0.005 | 0.781 | |
| 13,14-dihydro-15-keto-tetranor PGF1 | 194.510 | 299.186 | 2.256 | 0.004 | 0.833 | |
| Organic acids and derivatives | Stearamide | 534.593 | 284.294 | 2.233 | 0.003 | 1.160 |
| Capsi-amide | 515.367 | 270.279 | 1.718 | 0.035 | 1.120 | |
| Stearidonoyl glycine | 282.881 | 334.237 | 1.629 | 0.041 | 0.898 | |
| D-Alanine | 30.044 | 88.040 | 1.783 | 0.037 | 0.844 | |
| Sulfoacetic acid | 25.733 | 138.970 | 2.057 | 0.008 | 0.673 | |
| Organic nitrogen compounds | 3-Methylbutanamine | 141.395 | 88.112 | 1.989 | 0.016 | 0.605 |
| Oleoyl ethyl amide | 539.017 | 310.310 | 2.042 | 0.009 | 1.135 | |
| Organic oxygen compounds | 4-Hexen-3-one | 183.964 | 99.080 | 1.795 | 0.035 | 0.464 |
| Adlupone | 490.932 | 483.343 | 1.947 | 0.015 | 0.730 | |
| D-Arabinono-1,4-lactone | 27.111 | 147.030 | 2.058 | 0.010 | 0.694 | |
| Organoheterocyclic compounds | 3-Indoleacetic acid | 255.861 | 176.070 | 1.684 | 0.036 | 1.422 |
| 6R,7S-Epoxy-3Z,9Z-eicosadiene | 539.007 | 293.283 | 2.104 | 0.008 | 1.141 | |
| 9S,10R-Epoxy-6Z-octadecene | 503.254 | 265.252 | 1.965 | 0.014 | 1.065 | |
| 4-Hydroxyindole | 224.457 | 134.060 | 1.721 | 0.027 | 0.724 | |
| 3-Formyl-6-hydroxyindole | 223.695 | 162.055 | 2.134 | 0.020 | 0.787 | |
| Nicotinamide | 168.049 | 123.100 | 1.707 | 0.043 | 0.655 | |
| Anisoxide | 489.569 | 203.143 | 1.853 | 0.013 | 0.863 | |
| Guanine | 135.625 | 152.057 | 1.809 | 0.027 | 0.830 | |
| 6-Deoxyjacareubin | 236.797 | 311.091 | 1.648 | 0.036 | 0.847 | |
| 2,3-dihydro-2-oxo-1H-Benzimidazole-1-propanoic acid | 174.236 | 207.076 | 1.723 | 0.029 | 0.867 | |
| Aurachin D | 488.775 | 364.263 | 1.493 | 0.041 | 0.807 | |
| Dihydrozeatin | 43.971 | 222.133 | 1.718 | 0.022 | 0.749 | |
| Loxtidine | 241.352 | 360.237 | 1.987 | 0.013 | 0.707 | |
| 2-Acetyl-1,5,6,7-tetrahydro-6-hydroxy-7-(hydroxymethyl)-4H-azepine-4-one | 153.616 | 200.092 | 1.556 | 0.041 | 0.846 | |
| Phenylpropanoids and polyketides | 4-methylumbelliferone | 355.658 | 177.054 | 1.484 | 0.046 | 1.076 |
| 6-(1,1-Dimethylallyl) genistein | 380.028 | 339.122 | 2.239 | 0.003 | 0.845 | |
| Neodunol | 238.958 | 281.080 | 1.980 | 0.007 | 0.827 | |
| Geldanamycin Analog | 468.118 | 568.266 | 2.040 | 0.028 | 0.776 | |
| 3-Phenylpropionic acid | 181.294 | 149.061 | 1.635 | 0.042 | 0.822 | |
| 8-Prenylapigenin | 378.535 | 337.108 | 2.052 | 0.020 | 0.880 | |
| 8-Prenylnaringenin | 365.431 | 339.123 | 1.740 | 0.046 | 0.665 | |
| 7,4'-Dimdthoxyisoflavone | 169.720 | 281.081 | 1.865 | 0.014 | 0.834 | |
| 6-Geranylnaringenin | 415.770 | 407.186 | 2.162 | 0.011 | 0.899 |
aCON, CON group, N = 6, basal diet without supplementation of N-carbamylglutamate; NCG, N = 8, treatment that added 20 (g/d·head) N-carbamylglutamate.
b
Based on the chemical structure of the metabolite in HMDB.
c
The name of the substance that matches in the secondary mass spectrum.
d
Retention time.
e
Mass-to-charge ratio.
f
Variable Importance in the Projection value from OPLS–DA model.
g
P-value: P value from t-test.
h
The quantitative ratio of the two experimental substances in the NCG group and the CON group.