An investigation of fungal contamination on the surface of medicinal herbs in China

Chinese Medicine

Table 3 The ESI-MS/MS parameters, retention time, SRM transitions and LOD for 6 mycotoxins

Mycotoxin	RT (min)	Precursor ion (m/z)	Product ions (m/z)	Collision energy (eV)	LOD (ng/L)
Aflatoxin B₁	10.20	313 [M + H]⁺	285/241	23/37	5.20
Aflatoxin B₂	9.82	315 [M + H]⁺	287/259	27/31	6.30
Aflatoxin G₁	9.41	329 [M + H]⁺	243/200	27/45	10.60
Aflatoxin G₂	8.96	331 [M + H]⁺	313/245	26/30	5.80
Ochratoxin A	13.22	404 [M + H]⁺	239/358	25/15	25.00
Sterigmatocystin	13.44	325 [M + H]⁺	281/310	36/25	1.56

ISSN: 1749-8546