Detection and enrichment characteristics analysis of common heavy metal content in different organs of Hunan lotus seed

Authors

DAI Hui, School of Chemistry and Chemical Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China
ZHAO Wenyu, School of Hydraulic and Environmental Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China;State Environmental Protection Key Laboratory of Monitoring for Heavy Metal Pollutants, Changsha, Hunan 410114, ChinaFollow
WANG Jianhui, School of Food and Bioengineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China;Hunan Aquatic Resources Food Processing Engineering Technology Research Center, Changsha, Hunan 410114, China
HE Xiangyi, School of Hydraulic and Environmental Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China
LONG Xiao, School of Hydraulic and Environmental Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China

Corresponding Author(s)

赵文玉（1974—），女，长沙理工大学副教授，博士。E-mail：wenyuzh@csust.edu.cn王建辉（1980—），男，长沙理工大学教授，博士生导师，博士后。E-mail：wangjh0909@163.com

Abstract

Objective: The objective of this study is to investigate the heavy metal content in sediment and various organs of Hunan lotus seed in a planting area, as well as to explore the characteristics of heavy metal accumulation and transfer in Hunan lotus seed. Methods: A typical planting area in Hunan Province was selected for this research. The contents of Cd, Cr, Pb, Ni, Cu, Zn and Mn were measured using an inductively coupled plasma emission spectrometer. The bioconcentration factor （BCF） and transfer factor （TF） were used to evaluate the heavy metal accumulation and transfer ability of Hunan lotus seed. Results: The average content of Cd, Cr, Pb, Ni, Cu, Zn, and Mn in the sediment were 0.73, 176.28, 40.48, 27.61, 28.07, 95.57 and 311.68 mg/kg, respectively. Compared with the limit values of NY/T 391—2021, the exceeding rates of Cd, Cr, and Pb content are 100%, 75%, and 10%, respectively. The highest concentrations and contents of these 7 heavy metals were Cd, Cu and Zn in the lotus core, Cr and Pb in the root, Ni in the lotus-seed kernel and Mn in the leaves, with an average content of 0.20, 13.64, 78.58, 14.66, 2.23, 1.11 and 924.03 mg/kg, respectively. The BCF_Mn values for both stems and leaves exceeded 1. The TF_Cu values for all organs were greater than 1. Conclusion: This study reveals that there is serious pollution from Cd within the study area. The content of heavy metals in different organs of Hunan lotus seed is different. Lotus stems and leaves has strong enrichment of Mn, and Cu had strong transfer ability in Hunan lotus seed.

Publication Date

4-30-2024

First Page

60

Last Page

67

DOI

10.13652/j.spjx.1003.5788.2023.81228

Recommended Citation

Hui, DAI; Wenyu, ZHAO; Jianhui, WANG; Xiangyi, HE; and Xiao, LONG (2024) "Detection and enrichment characteristics analysis of common heavy metal content in different organs of Hunan lotus seed," Food and Machinery: Vol. 40: Iss. 3, Article 8.
DOI: 10.13652/j.spjx.1003.5788.2023.81228
Available at: https://www.ifoodmm.cn/journal/vol40/iss3/8

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