metabolite_name CKD001 CKD002 CKD003 CKD004 CKD005 CKD006 CKD007 CKD008 Con001 Con002 Con003 Con004 Con005 Con006 Con007 Con008 Tryptophan 22861 21738 28430 22731 33155 37066 35988 30910 41976 41146 36257 34804 43417 55443 42184 50165 Serotonin 18818 21517 19537 7829 12528 15909 10446 12663 12351 17295 14065 10748 14116 11790 12340 9307 Kynurenine 291 315 308 299 453 553 532 415 298 491 197 182 305 465 430 394 Kynurenic Acid 59 55 36 34 36 73 49 32 42 23 23 15 31 28 42 16 Xanthurenic Acid 16 20 11 16 11 37 24 15 20 8 12 8 17 27 21 11 Anthranilic Acid 6 18 7 5 14 10 10 11 10 10 4 4 6 7 7 13 Indoxyl Sulfate 13956 42623 27598 11213 20435 22474 20020 19183 9721 7478 6720 2954 9203 11268 11949 12961 p-Cresol Sulfate 5684 13118 8270 3710 5136 6569 5845 4850 2335 3048 2762 1115 2248 2336 2562 1654 Indole-3-acetate 114 145 145 72 151 188 151 137 126 82 84 99 234 323 207 188 metabolite_name Pubchem ID Kegg ID Tryptophan 6305 C00078 Serotonin 5202 C00780 Kynurenine 161166 C00328 Kynurenic Acid 3845 C01717 Xanthurenic Acid 5699 C02470 Anthranilic Acid 227 C00108 Indoxyl Sulfate 10258 p-Cresol Sulfate 4615423 Indole-3-acetate 801 C00954