| 초록 |
In this study, both of the concentration of benzo(a)pyrene in 5 species (total 50 samples) of medicinal herbs and their transfer ratios in the preparation steps of water extract(decoction) and soft extract, were measured by HPLC/FLD. The detected benzo(a)pyrene concentrations from the medicinal herbs ranged from non-detection to 37.54 μg/kg, and their average was 6.73 μg/kg. In particular, the concentration of benzo(a)pyrene in Coptidis Rhizome was turned out to be the highest of 37.54 μg/kg. The detected benzo(a)pyrene concentrations from water extract(decoction), soft extract and remnant after boiling, ranged from non-detection to 2.31 μg/kg, non-detection to 2.28 μg/kg, and 2.18 to 21.91 μg/kg, respectively. In preparation of water extract(decoction) and soft extract, transferred benzo(a)pyrene was not detected or, if transferred, the maximal transfer ratios of benzo(a)pyrene were shown to be 8.9% and 9.8%, respectively. Therefore, the content of benzo(a)pyrene in the samples of herbal medicine used in this study, were reduced by more than 90% in preparation steps of water extract (decoction) and soft extract. |
