NDLI: Assessment of potential health risk for arsenic and heavy metals in some herbal flowers and their infusions consumed in China

Content Provider	Springer Nature Link
Author	Zhu, Fangkun Wang, Xuejing Fan, Wenxiu Qu, Li Qiao, Meiying Yao, Shuwen
Copyright Year	2012
Abstract	Herbal tea is consumed widely in China due to their therapeutic efficacy, mild features, and relatively low cost. To assess the health risk associated with drinking herbal tea, arsenic and seven heavy metals, namely Cu, Zn, Fe, Mn, Cd, Ni, and Pb in eight different types of herbal flowers and their infusions were determined by inductively coupled–mass spectrometry after microwave digestion. The accuracy and precision of the analytical method were confirmed by the certified reference material (GBW 07605). The results suggested that significant differences existed in all metal concentrations determined among different varieties of herbal flowers and their infusions. In general, the concentration of iron was higher than those of seven other metals in the investigated herbal flowers and their infusions. The hazard quotient (HQ) and hazard index (HI) were calculated to evaluate the noncarcinogenic health risk from individual metal and combined metals due to the dietary intakes via consumption of herbal infusions. Both the HQ and HI levels were far below one, suggesting that the dietary intakes of the eight metals determined from daily consumption 4.5 g of the investigated herbal flowers for a normal adult should pose no potential risk to human health.
Starting Page	3909
Ending Page	3916
Page Count	8
File Format	PDF
ISSN	01676369
Journal	Environmental Monitoring and Assessment
Volume Number	185
Issue Number	5
e-ISSN	15732959
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-09-15
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Herbal flowers Herbal infusions Arsenic Heavy metals Health risk China Environmental Monitoring/Analysis Environmental Management Ecotoxicology Atmospheric Protection/Air Quality Control/Air Pollution Ecology
Content Type	Text
Resource Type	Article
Subject	Pollution Medicine Management, Monitoring, Policy and Law

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