Fig. 1
From: Chemical assessment of mycotoxin contaminants and veterinary residues in Costa Rican animal feed
Chromatograms of a standard containing 26 toxins at 1000 μg L− 1 each 1. Nivalenol, 2. Deoxynivalenol (group 1 from 4.00 to 14.00 min), 3. Fusarenon-X, 4. Diacetoxyscirpenol, 5. 3-acetoxydeoxynivalenol, 6. 15-acetoxydeoxynivalenol (group 2 from 14.00 to 18.50 min), 7. Fumonisin B1, 8. Aflatoxin M1, 9. Aflatoxin G2, 10. Fumonisin B2, 11. Aflatoxin B2, 12. Aflatoxin G1, 13. Neosolaniol, 14. Aflatoxin B1, 15. HT-2 toxin, 16. β-zearalenol, 17. T-2 toxin, 18. Ochratoxin B, 19. α-zearalenol, 20. Citrinin (group 3 from 18.50 to 21.30 min), 21. Ochratoxin A, 22. Patulin (group 4 from 23.50 to 25.00 min), 23. Zearalenone, 24. Sterigmatocystin, 25. Enniatin B, 26. Enniatin B1 (group 5 from 25.00 min onward) b Standard containing 23 antibiotics at 10000 μg L− 1 each 1. Spectinomycin 2. Minocycline 3. Lincomycin (group 1 from 0.00 to 9.20 min) 4. Sulfamethazine 5. 4-epioxytetracycline 6. Oxytetracycline 7. Tetracycline 8. 4-epitetracycline 9. Demeclocycline 10. 4-epichlortetracycline (group 2 from 9.20 to 12.50 min) 11. Chlortetracycline 12. Florfenicol 13. Methacycline 14. Doxycycline 15. Cloramphenicol 16. 4-epianhydrotetracycline 17. Erithromycin 18. Penicillin G (group 3 from 12.50 to 16.00 min) 19. Tylosin 20. Virginimycin M1 21. Virginimycin S1 22. Monensin A 23. Narasin (group 4 from 16.00 min onward)