한국수산과학회

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  • 0374-8111
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kfas, vol. 54, no. 4, pp.561-567, August, 2021
DOI. https://doi.org/10.5657/KFAS.2021.0561

Removal of Inorganic Arsenic from Steamed Hijiki Sargassum fusiforme Concentrate Using Activated Carbon 활성탄을 이용한 톳(Sargassum fusiforme) 자숙농축액 내 무기비소 저감 기술

강은혜·이가정·조미라·유홍식·손광태·윤민철*
국립수산과학원 식품위생가공과

The edible sargasso seaweed hijiki Sargassum fusiforme is known to have high concentration of arsenic, which is a threat to human health, particularly due to inorganic arsenic. In this study, various methods were used to remove inorganic arsenic from steamed hijiki concentrate. The highest concentration of arsenate [As(V)] in both raw and processed hijiki during steamed hijiki manufacturing process was within the range of 8.213-14.356 mg/kg, and it is a potential source of inorganic arsenic, which can result in re-contamination and cause environmental pollution. The removal efficiencies of the various removal methods were within the range of 57.3-83.4%, and 19.0% reduction was achieved using activated carbon and alginate bead. Further, activated carbon showed the best adsorption effect of inorganic arsenic. Therefore, we suggest that activated carbon is a suitable efficient method for removing inorganic arsenic and has low operational costs in field applicability.

Keyword : Removing inorganic arsenic, Arsenate [As(V)], Hijiki, Activated carbon, Steamed hijiki concentrate

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