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Evaluation of Toxicity of Anthocyanin from Black Soybean by Feeding Test in Mice  

Kim, Yong-Ho (Dept. of Medicinal Biotechnology, Soonchunhyang University)
Do, Seon-Gil (Unigen, Inc.)
Kim, Dong-Seon (Unigen, Inc.)
Woo, Sung-Sick (Unigen, Inc.)
Kim, Ok-Jin (Center for Animal Resources Development, Wonkwang University)
Lee, Hye-Jeong (Dept. of Food and Nutrition, Gachon University of Medicine and Science)
Publication Information
The Korean Journal of Food And Nutrition / v.21, no.4, 2008 , pp. 397-402 More about this Journal
Abstract
Over the past few years, anthocyanin has been demonstrated to exert potentially anti-oxidative and bioavailability effects including anti-cardiovascular disease and cancer-preventive effects in humans. This study was conducted to assess the toxicity of anthocyanin extracts from black soybean seed coats via oral administration in a mice feeding test. The final anthocyanin-containing products induced signs of toxicity on mortality in the 4-week feeding test. The incidence of clinical signs and changes in body and organ weight were also not observed in all anthocyanin-treated groups as compared with the control groups. In hematology analysis, RBC indices concluding MCV, MCH, and MCHC and WBC differential counting such a NEU, LYM, MONO, EOS, and BASO evidenced no significant differences between the anthocyanin treatment and control groups. The biochemical parameters in serum analysis - ALT, AST, BUN, Crea etc.- were also not significantly altered in those groups. Absolute and relative organ weights were not increased after 4 weeks of treatment with anthocyanin extracts in mice. In conclusion, anthocyanin extracts from the black soybean has biological activity without any toxic effects, which also suggests that the consumption of soy containing anthocyanin products may be a good source for health and medical supplies.
Keywords
soybean; anthocyanin; toxicity; hematology; serum;
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