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. 2008 Mar 1;24(1):79–86. doi: 10.5487/TR.2008.24.1.079

Oral Single Dose Toxicity Study of Low Molecular Fucoidan in Mice

Young-Mi Jung 111, Kang Min Yoo 211, Dong-Chan Park 111, Tae-Kwon Kim 111, Hyeung-Sik Lee 311, Sae-Kwang Ku 411,511,✉
PMCID: PMC7006321  PMID: 32038780

Abstract

This study was conducted to obtain information of the oral dose toxicity of low molecular fucoidan (LMF) in male and female mice. In order to calculate 50% lethal dose (LD50) and approximate lethal dose (LD), test material was once orally administered to male and female ICR mice at dose levels of 2000, 1000, 500, 250, 125 and 0 (vehicle control) mg/kg (body wt.). The mortality and the changes on body weight, clinical signs, gross observation and organ weight and histopathology of principle organs were monitored 14 days after LMF treatment. We could not find any mortalities, clinical signs, body weight changes and gross findings. In addition, significant changes in the organ weight and histopathology of principal organs were not observed except for some sporadic findings. The results obtained in this study suggest that LMF may not be toxic in mice and may be therefore safe for clinical use. The LD50 and approximate LD in mice after single oral dose of LMF were considered over 2000 mg/kg in both female and male mice.

Key words: Low molecular fucoidan, Single oral dose toxicity, Mice, Histopathology

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