Characteristics of heavy metal content distribution in different organs of Lilium brownii and its health risk assessment

Authors

LI Xiaoling, Hunan University of Chinese Medicine , Changsha , Hunan 410208 , China
TONG Qiaozhen, Hunan University of Chinese Medicine , Changsha , Hunan 410208 , China;Hunan Provincial Key Laboratory of Germplasm Resources and Standardized Cultivation of Bulk Genuine Medicinal Materials , Changsha , Hunan 410208 , China;Key Laboratory of Modernization Research of Traditional Chinese Medicine in Hunan General Higher Education Institution , Changsha , Hunan 410208 , ChinaFollow
SHI Yuhe, Hunan University of Chinese Medicine , Changsha , Hunan 410208 , China
HOU Chaowen, Hunan University of Chinese Medicine , Changsha , Hunan 410208 , China
LIU Zexiang, Hunan University of Chinese Medicine , Changsha , Hunan 410208 , China
GONG Xiujuan, Hunan University of Chinese Medicine , Changsha , Hunan 410208 , China

Corresponding Author(s)

童巧珍（1971—），女，湖南中医药大学教授，博士。E-mail：410849649@qq.com

Abstract

［Objective］ To explore the distribution of inorganic elements in different organs of Lilium brownii and to assess the health risks associated with its heavy metals.［Methods］ The content of six heavy metals -copper (Cu),mercury (Hg),lead (Pb),cadmium (Cd),chromium (Cr),and arsenic (As)-in the bulbs,stems,leaves,and flowers of Lilium brownii from different regions is measured using inductively coupled plasma optical emission spectrometry (ICP-OES ).Health risk assessment is conducted using the Target Hazard Quotient (THQ ) and Carcinogenic Risk (CR) methods.［Results］］ The ICP -OES method shows good linearity,detection limits,precision,repeatability,and stability,with the recovery rate for the actual samples ranging from 98.25% to 105.81%.Significant differences in inorganic elements are found across the different organs of Lilium brownii.Notably,the bulbs,stems,leaves,and flowers exhibit varying degrees of Cr content exceeding the standard limit,with the order of content being stems > bulbs > leaves > flowers.Additionally,the Cd content in the leaves is above the standard.No health risks are found in the Lilium brownii samples from different regions,with no non -carcinogenic or carcinogenic risks to 引用格式：李晓玲，童巧珍，石雨荷，等.龙牙百合不同器官重金属含量分布特征及健康风险评估 ［J］.食品与机械，2025，41（7）：56-64.C itation:LI Xiaoling,TONG Qiaozhen,SHI Yuhe,et al.Characteristics of heavy metal content distribution in different organs of Lilium brownii and its health risk assessment [J].Food & Machinery,2025,41(7):56-64.|human health.However,the sum of the THQ values for the stems and leaves exceeds the THQ standard,suggesting the need for long -term attention to the health impact of harmful elements in these organs.［Conclusion］ The methods establishes in this study can be used for the determination and risk assessment of Cu,Hg,Pb,Cd,Cr,and As residues in Lilium brownii medicinal materials.

Publication Date

7-11-2025

First Page

56

Last Page

64

DOI

10.13652/j.spjx.1003.5788.2024.80841

Recommended Citation

Xiaoling, LI; Qiaozhen, TONG; Yuhe, SHI; Chaowen, HOU; Zexiang, LIU; and Xiujuan, GONG (2025) "Characteristics of heavy metal content distribution in different organs of Lilium brownii and its health risk assessment," Food and Machinery: Vol. 41: Iss. 7, Article 9.
DOI: 10.13652/j.spjx.1003.5788.2024.80841
Available at: https://www.ifoodmm.cn/journal/vol41/iss7/9

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