A total of 241 samples (185 HFFs and 56 HMs) were analyzed by
the Kobra cell derivatization method. The results are shown in
Table 3. In this study, AFs were not detected in HFFs and HMs except
Angelica gigas NAKAI extract products (HFF). Each contamination
levels of aflatoxin G2 in the samples were 7.93 and 5.70 ng g1
. A.
gigas NAKAI is widely used as herb medicine. In previous studies,
AFs were detected in 6.8% samples of Korean herb medicines (Park
et al., 2009). Also, Kim et al. (2010) reported that the total level of
AFs was 0.4e2.3 ng g1 and the detection rate was 0.75% in herb
medicine samples. Aflatoxins are scarcely extracted by water, nhexane
and petroleum ether (Cho et al., 2007). On the other hand,
A. gigas NAKAI extract products had approximately 5% (w/v) of total
solids.