Table 2.
List of organic compounds detected by GC–MS after derivatization of the ethyl acetate extract derived from non-rhizospheric distillery sludge and their impact in environment
| S. no. | Compounds | RT | Environmental impact | References |
|---|---|---|---|---|
| 1. | Acetamide, 2,2,2-trifluoro-N-methyl-TMS | 9.07 | – | – |
| 2. | 2-Butanol, tert-butyldimethylsilyl ether | 10.88 | – | – |
| 3. | Ethanedioic acid, bis(TMS)ester | 11.11 | – | – |
| 4. | Pyridine, 3-trimethylsiloxy | 12.85 | Neurological effects, renal effects, and irritation of the skin and eye, liver damage | ATSDR (1992) |
| 5. | 3-Hydroxy-6-methypyridine 1TMS | 13.26 | Mutagens | https://pubchem.ncbi.nlm.nih.gov |
| 6. | 1,4-Dimethylpyrrolo(1,2-A)pyrazine | 13.71 | – | |
| 7. | Benzene, 1,3-bis(1,1-dimethylethyl) | 13.98 | Gastrointestinal irritant, reproduction inhibition | OECD (2010) |
| 8. | Docosane | 14.65 | ||
| 9. | 2-Isoropyl-5-methyl-1-heptanol | 15.70 | ||
| 10. | Benzenepropanoic acid, TMS ester | 16.55 | Carcinogenicity and genotoxicity | CEPA (1999) |
| 11. | Decanoic acid, TMS ester | 18.15 | – | |
| 12. | Silane, trimethyl(undecycloxy) | 20.01 | – | – |
| 13. | Benzeneacetic acid, α,4-bis[(TMS)oxy], TMS ester | 20.25 | – | |
| 14. | Emetan, 1′,2-didehydro-6′,7′,10,11-tetramethoxy | 21.88 | – | – |
| 15. | 2,4-Imidazolidinedione, 1-[[(5-nitro-2-firnayl)methylene]amino | 23.00 | – | – |
| 16. | 1-Hexadecanol, 2-methyl | 24.10 | – | – |
| 17. | Hexadecane | 25.61 | Skin problems such as dryness, irritation, and cracking of the skin | Shiri et al. (2015) |
| 18. | 5-Hydroxy-2,2-dimethyl-5,6-bis(2-oxo-1-propyl)-1-cyclohexanone | 26.97 | – | – |
| 19. | Dodecenoic acid, TMS ester | 27.96 | – | – |
| 20. | 2-Propenoic acid, oxybis(methyl-2,1-ethanediyl)ester | 30.37 | – | – |
| 21. | Benzoic acid, 2,5-bis(TMSoxy)-TMS ester | 30.83 | – | – |
| 22. | Dodecanoic acid | 31.16 | – | – |
| 23. | Heptacosane | 32.22 | – | – |
| 24. | 1-Tetradecene, 2-decyl | 32.99 | – | – |
| 25. | 1,2-Propanediol, 3-(octadecycloxy)-diacetate | 33.05 | – | – |
| 26. | β-Sitosterol trimethyl ether | 33.62 | EDC, genotoxic and cytotoxic | USEPA (2012) |
| 27. | 2-Butanone, 4-[2-isopropyl-5-methyl | 34.26 | – | – |
| 28. | Hexadecanoic acid, methyl ester | 34.52 | – | – |
| 29. | 2,5-Cyclohexadiene-1,4-dione, 2,6-bis(1,1-dimethylethyl) | 35.45 | – | – |
| 30. | Octadecanoic acid, methyl ester | 36.48 | EDC, Cytotoxic and genotoxic | USEPA (2012) |
| 31. | 17-Pentatriacontene | 36.66 | – | – |
| 32. | 1,4-Ethano-1,2,3,4-tetrahydroanthracen-3-ol-benzylidene | 38.11 | – | – |
| 33. | Pyrrolo [1,2-a]pyrazine-1,4-dione, hexahydro-3-(phenylmethyl) | 40.90 | Hemolytic activity | Sanjenbam and Kannabira (2016) |
| 34. | Butyl 11-eicosenoate | 41.47 | – | – |
| 35. | Cholest-8(14)-en-3-one, (5α) | 42.48 | – | – |
| 36. | α-Homocholest-4a-en-3-one | 43.19 | – | – |
| 37. | Stigmasta-5,22-dien-3-ol(3β,22E) | 44.25 | Vasodepressor effect | Barla et al. (2006) |
| 38. | Stigmasterol | 45.20 | EDC | USEPA (2012) |
RT retention time (in min), EDC endocrine-disrupting chemical, TMS trimethylsilyl