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KMID : 1134820210500050437
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Journal of the Korean Society of Food Science and Nutrition
2021 Volume.50 No. 5 p.437 ~ p.444
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In Vivo Toxicity Study of Freeze-Dried Skimmed Powder of Zophobas atratus Larvae (frpfdZAL), a Novel Food Source
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Kim Sun-Young
Kwak Kyu-Won
Kang Gun
Oh Yun-Shik
Yoon Hyung-Joo
Kim Yong-Soon
Park Kwan-Ho
Kim Eun-Sun
Kim Sun-Don
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Abstract
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Zophobas atratus (Coleoptera: Tenebrionidae), the giant mealworm beetle, has been recognized as an edible insect with a high protein content for new human food source and animal feed. On the other hand, the potential toxicity and food safety of Z. atratus is not well understood. Therefore, this study evaluated the toxicity of freeze-dried skimmed powder of Z. atratus larvae (frpfdZAL), known as the super mealworm, using different model approaches, including acute oral toxicity studies in SD rats and Beagle dogs and skin sensitization in Hartley guinea pigs (Buehler’s method) in accordance with the OECD guidelines and the principles of Good Laboratory Practice. No toxicological changes were observed in the clinical signs, body weights, and gross findings in acute single-dose administration in SD rats and Beagle dogs. In addition, skin sensitization rate was 0%, and its sensitization potential was classified as grade I (very weak) using Buehler’s method. In conclusion, frpfdZAL is safe with no adverse effects and can be applied as an edible ingredient for animal feed or used for other biological purposes.
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KEYWORD
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edible insect, Zophobas atratus, food safety, acute oral toxicity, skin sensitization
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