Accumulation of Heavy Metals in Rice (Oryza sativa. L) Grains Cultivated in Three Major Industrial Areas of Bangladesh

Human exposure to nonessential trace elements occurs from food crops that are contaminated by the soil. The present study aimed to determine the level of heavy metals in soil and rice samples using an atomic absorption spectrophotometer from three major industrial areas in Bangladesh: Savar, Gazipur...

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Bibliographic Details
Published in:Journal of environmental and public health 2022, Vol.2022 (1), p.1836597-1836597
Main Authors: Hasan, G. M. M. Anwarul, Das, Anuj Kumer, Satter, Mohammed A.
Format: Article
Language:English
Subjects:
Accumulation
Analysis
Atomic absorption spectrophotometry
Bangladesh
Cadmium
Chemical oxygen demand
China
Chromium
Cobalt
Contamination
Copper
Crops
Cultivation
Environmental Monitoring
Food
Food contamination
Food contamination & poisoning
Food safety
Grain cultivation
Health risk assessment
Health risks
Heavy metals
Humans
Industrial areas
Industrial development
Iron
Lead
Lead - analysis
Metals
Metals, Heavy - analysis
Nickel
Oryza
Oryza sativa
Public health
Rice
Risk Assessment
Safety and security measures
Soil
Soil contamination
Soil Pollutants - analysis
Soil pollution
Soils
Spectral analysis
Statistical analysis
Trace elements
Transfer factor
Zinc
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Summary:Human exposure to nonessential trace elements occurs from food crops that are contaminated by the soil. The present study aimed to determine the level of heavy metals in soil and rice samples using an atomic absorption spectrophotometer from three major industrial areas in Bangladesh: Savar, Gazipur, and Ashulia. Heavy metals were detected in the order Fe > Zn > Ni > Cr > Pb > Co > Cu > Cd > As and Zn > Cu > Cr > Co > Fe > Cd > Pb > Ni > As in the soil and rice samples, respectively. From this analysis, it was observed that the detected concentrations of Zn, Cd, Cr, and Co were higher than the WHO/FAO recommended maximum tolerance values. The transfer factor of the detected heavy metals from soil to rice was detected in the following order: Zn > Cu > Cr > Co > Cd > Pb > Fe > As > Ni. The accumulation of heavy metals in rice is a major public health concern. Therefore, we recommend strict regulations for the safety of food crops grown in the study areas.
ISSN:1687-9805
1687-9813
DOI:10.1155/2022/1836597