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KMID : 0379520230390020317
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한국독성학회지
2023 Volume.39 No. 2 p.317 ~ p.331
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Evaluation of subchronic oral dose toxicity and allergen of freeze-dried powder of Locusta migratoria (Orthoptera: Acrididae) as a novel food source
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Kim Sun-Young
Kwak Kyu-Won
Park Ji-Yeong
Park Eun-Sung
Nam Chun-Ja
An Kyu Sup
Kim Hyun-Jin
Yoon Hyung-Joo
Kim Yong-Soon
Park Kwan-Ho
Kim Eun-Sun
Ryu Hyeon-Yeol
Kim Sun-Don
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Abstract
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The migratory locust, Locusta migratoria (Orthoptera: Acrididae), is a well-known edible insect which may serve as new source of human food and animal feed. However, potential toxicity and food safety of L. migratoria had not been investigated extensively until now. Therefore, in this study, we aimed to investigate toxicity of freeze-dried powder of L. migratoria (fdLM) and identify allergic components in ELISA and PCR techniques. In this subchronic study, fdLM was administered once daily by oral gavage at the doses of 750, 1500, and 3000 mg/kg/day. No toxicological changes were observed in both sexes of rats for 13 weeks in accordance with the OECD guidelines and GLP conditions. In addition, fdLM did not induced increases of serum immunoglobulin E and 21 homologous proteins were not detected under our present conditions. In conclusion, the NOAEL (no-observed-adverse-effect level) was 3000 mg/kg/day and no target organ was identified in both sexes. In conclusion, we found that fdLM is safe with no adverse effects and offers the potential of its use as an edible ingredient or other biological uses.
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KEYWORD
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Locusta migratoria, Edible insect, Food safety, Adverse efects, Allergen
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