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Assessment of heavy metals contamination and human health risk assessment of the commonly consumed medicinal herbs in China
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Assessment of heavy metals contamination and human health risk assessment of the commonly consumed medicinal herbs in China
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Journal Article
Assessment of heavy metals contamination and human health risk assessment of the commonly consumed medicinal herbs in China
2023
Overview
This study investigates heavy metal contamination of commonly consumed medicinal herbs and human health risks to the Chinese population arising from the consumption of herbs that contain potentially harmful elements. Food safety standards for Chinese residents are becoming stricter, and much work in this field needs to be performed. This study examines Co, Ba, Fe, Cr, Mn, Ni, Zn, As, Cd, Pb, Cu, Be, Sb, and Bi concentrations in four regularly consumed Chinese herb species:
Radix Paeoniae Alba
(RPA),
Radix Angelicae Dahuricae
(RAD),
Rhizoma Atractylodis Macrocephalae
(RAM), and
Radix Puerariae
(RP). A pollution status examination and evaluation of heavy metals in RPA, RAD, RAM, and RP were performed. The human health risk assessment associated with the intake of potentially harmful elements in herbs was calculated in terms of the estimated daily intake (EDI), the target hazard quotient (THQ), the estimated hazard index (HI), and the lifetime cancer risk (CR). The mean single-factor pollution index (PI) showed that in the RPA, RAD, RAM, and RP samples, approximately 10.0%, 10.0%, 30.0%, and 10.0%, respectively, were polluted by Cd. The present study indicated that the pattern of consumption of the studied herbs in China does not seem to suggest an excessive health hazard associated with any of the toxic elements studied.
