Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks

Consumption of mercury-contaminated rice could pose a potential health risk to humans. In this study, total mercury (THg) concentrations in various parts (roots, stems, leaves, and grains) of rice plant (Oryza sativa) collected from Sekinchan, Selangor, Malaysia were analysed for risk assessment. Th...

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Main Authors: Soong, Ai Cheng, Mohd Isa, Noorain, Aris, Ahmad Zaharin, Haris, Hazzeman, Looi, Ley Juen
Format: Article
Published: Rynnye Lyan Resources 2021
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author Soong, Ai Cheng
Mohd Isa, Noorain
Aris, Ahmad Zaharin
Haris, Hazzeman
Looi, Ley Juen
author_facet Soong, Ai Cheng
Mohd Isa, Noorain
Aris, Ahmad Zaharin
Haris, Hazzeman
Looi, Ley Juen
author_sort Soong, Ai Cheng
collection UPM
description Consumption of mercury-contaminated rice could pose a potential health risk to humans. In this study, total mercury (THg) concentrations in various parts (roots, stems, leaves, and grains) of rice plant (Oryza sativa) collected from Sekinchan, Selangor, Malaysia were analysed for risk assessment. The THg concentrations in collected samples were analysed by Direct Mercury Analyzer (DMA-80). The mean concentrations found in plant parts were as follows: root, 47.01±0.42 µg/kg; stem, 6.43±1.77 µg/kg; leaf, 26.25±4.71 µg/kg; grain, 2.64±0.42 µg/kg. THg distribution in rice plants was roots > leaves > stems and grains. The mean THg concentration in grain (2.64±0.42 µg/kg) was below the maximum permitted proportion stipulated by Malaysian Food Regulation 1985 (50.0 µg/ kg). The estimated weekly intake (EWI) of THg through rice was 0.07±0.01 µg/kg bw/ week for 60 kg adult, below the provisional tolerable weekly intakes (PTWI) as suggested by JECFA indicating unlikely to cause impairment of public health due to consumption of rice planted in this region. However, periodical monitoring of mercury pollution in Selangor area is crucial because mercury contamination in crops could jeopardize food safety and security.
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spelling upm.eprints-933952022-11-23T04:26:16Z http://psasir.upm.edu.my/id/eprint/93395/ Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks Soong, Ai Cheng Mohd Isa, Noorain Aris, Ahmad Zaharin Haris, Hazzeman Looi, Ley Juen Consumption of mercury-contaminated rice could pose a potential health risk to humans. In this study, total mercury (THg) concentrations in various parts (roots, stems, leaves, and grains) of rice plant (Oryza sativa) collected from Sekinchan, Selangor, Malaysia were analysed for risk assessment. The THg concentrations in collected samples were analysed by Direct Mercury Analyzer (DMA-80). The mean concentrations found in plant parts were as follows: root, 47.01±0.42 µg/kg; stem, 6.43±1.77 µg/kg; leaf, 26.25±4.71 µg/kg; grain, 2.64±0.42 µg/kg. THg distribution in rice plants was roots > leaves > stems and grains. The mean THg concentration in grain (2.64±0.42 µg/kg) was below the maximum permitted proportion stipulated by Malaysian Food Regulation 1985 (50.0 µg/ kg). The estimated weekly intake (EWI) of THg through rice was 0.07±0.01 µg/kg bw/ week for 60 kg adult, below the provisional tolerable weekly intakes (PTWI) as suggested by JECFA indicating unlikely to cause impairment of public health due to consumption of rice planted in this region. However, periodical monitoring of mercury pollution in Selangor area is crucial because mercury contamination in crops could jeopardize food safety and security. Rynnye Lyan Resources 2021-02 Article PeerReviewed Soong, Ai Cheng and Mohd Isa, Noorain and Aris, Ahmad Zaharin and Haris, Hazzeman and Looi, Ley Juen (2021) Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks. Food Research, 5 (suppl. 1). 132 - 136. ISSN 2550-2166 https://www.myfoodresearch.com/vol-59474supplementary-1.html 10.26656/fr.2017.5(S1).018
spellingShingle Soong, Ai Cheng
Mohd Isa, Noorain
Aris, Ahmad Zaharin
Haris, Hazzeman
Looi, Ley Juen
Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks
title Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks
title_full Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks
title_fullStr Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks
title_full_unstemmed Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks
title_short Total mercury in rice plant Oryza sativa collected from Sekinchan, Selangor, Malaysia and associated health risks
title_sort total mercury in rice plant oryza sativa collected from sekinchan selangor malaysia and associated health risks
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