Identification of Transition Characteristics and Bio-concentration Factors of Heavy Metal (loid)s in the Selected Perennial Root Medicinal Plants
2017
Kim, W.I., National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea | Noh, H.M., National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea | Hong, C.O., Pusan National University, Miryang, Republic of Korea | Kim, D.Y., GNTECH, Jinju, Republic of Korea | Kim, K.R., GNTECH, Jinju, Republic of Korea | Oh, K.S., National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea | Moon, B.C., National Institute of Agricultural Sciences, RDA, Wanju, Republic of Korea | Kim, J.Y., Seoul Regional Food and Drug Administration, Seoul, Republic of Korea
This study was conducted to identify transition characteristics of arsenic (As), cadmium (Cd), and lead (Pb) and to calculate bio-concentration factors (BCF) in the three perennial root medicinal plants, namely Codonopsis lanceolata (Deoduck), Platycodon grandiflorum (Balloon flower) and Panax ginseng (Korean ginseng) grown in major medicinal plant producing districts in Korea. Average BCF values ranged from 0.009~0.029 in As, 0.334~1.453 in Cd, and 0.021~0.023 in Pb in three perennial root medicinal plants. The BCF values increased in the order of ginseng (0.029) greater than deodeok (0.012) greater than balloon flower (0.009) for As, balloon flower (1.453) greater than deodeok (0.685) greater than ginseng (0.334) for Cd, and ginseng (0.023) greater than deodeok (0.022) greater than balloon flower (0.021) for Pb. The BCF values calculated in this study will be useful for predicting the uptake of heavy metal (loid)s. Further study on uptake and accumulation mechanism of toxic metal (loid)s by agricultural products is required to assess the human health risk associated with soil contamination.
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