A Study on the Reduction of Inorganic Arsenic in Hijiki and Rice Using the Various Pretreatments and Inductively Coupled Plasma Mass Spectrometry

Nam Sang-Ho; Lee Dong-Chan

doi:10.5478/MSL.2021.12.3.106

P-ISSN2233-4203
E-ISSN2093-8950
ESCI, SCOPUS, KCI

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P-ISSN 2233-4203
E-ISSN 2093-8950

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Vol.12, No.3

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A Study on the Reduction of Inorganic Arsenic in Hijiki and Rice Using the Various Pretreatments and Inductively Coupled Plasma Mass Spectrometry

Mass Spectrometry Letters / Mass Spectrometry Letters, (P)2233-4203; (E)2093-8950

2021, v.12 no.3, pp.106-111

https://doi.org/10.5478/MSL.2021.12.3.106

Nam Sang-Ho (Mokpo National University)

Lee Dong-Chan (Mokpo National University)

Nam, S., & Lee, D. (2021). A Study on the Reduction of Inorganic Arsenic in Hijiki and Rice Using the Various Pretreatments and Inductively Coupled Plasma Mass Spectrometry. Mass Spectrometry Letters, 12(3), 106-111, https://doi.org/10.5478/MSL.2021.12.3.106

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Abstract

Several pretreatment methods have been developed to reduce the inorganic arsenic, which is known to be highly harmful to humans, among various arsenic species present in hijiki and rice. The pretreatment methods were selected and devel-oped as methods that can be non-harmful even after treatment and easily applied. Hijiki was applied by two methods. One was soaking in water at room temperature for various durations and the other was boiling of it in water for a short period of time. Rice was soaked in water with different rice-to-water ratios for various durations. The most effective method that reduced the inorganic arsenic in hijiki was to repeat parboiling for 5 minutes twice, which led to 79% reduction of the inorganic arsenic in it. In the case of rice, soaking for 24 hours at the ratio of 1:5 (rice:water) resulted in 51% reduction of inorganic arsenic in rice.