Sakamoto, Y; Tada, Y; Fukumori, N; Tayama, K; Ando, H; Takahashi, H; Kubo, Y; Nagasawa, A; Yano, N; Yuzawa, K; Ogata, A; Kamimura, H
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 2007 48(3):41-50
Link to full text (open access, freely available)
PMID: 17657996 DOI: 10.3358/shokueishi.48.41
A chronic feeding study to evaluate the safety of the genetically modified glyphosate-tolerant soybeans (GM soybeans) was conducted using rats. F344 DuCrj rats were fed diet containing GM soybeans or Non-GM soybeans at the concentration of 30% in basal diet. Non-GM soybeans were closely related strain of GM soybeans. These two diets were adjusted to an identical nutrient level. In this study, the influence of GM soybeans on rats was compared with that of the Non-GM soybeans, and furthermore, to assess the effect of soybeans themselves, the groups of rats fed GM and Non-GM soybeans were compared with a group fed commercial diet (CE-2). General conditions were observed daily and body weight and food consumption were recorded. At the intermediate examination (26 weeks), and at the termination (52 weeks), animals were subjected to hematology, serum biochemistry, and pathological examination. There were several differences in animal growth, food intake, serum biochemical parameters and histological findings between the rats fed the GM and/or Non-GM soybeans and the rats fed CE-2. However, body weight and food intake were similar for the rats fed the GM and Non-GM soybeans. Gross necropsy findings, hematological and serum biochemical parameters, organ weights, and pathological findings showed no meaningful difference between rats fed the GM and Non-GM soybeans. These results indicate that long-term intake of GM soybeans at the level of 30% in diet has no apparent adverse effect in rats.
Sakamoto, Y, Y Tada, N Fukumori, K Tayama, H Ando, H Takahashi, Y Kubo, A Nagasawa, N Yano, K Yuzawa, A Ogata, H Kamimura. "A 52-week feeding study of genetically modified soybeans in F344 rats." Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 48.3 (2007): 41-50. Web. 26 Mar. 2023.
Sakamoto, Y., Tada, Y., Fukumori, N., Tayama, K., Ando, H., Takahashi, H., Kubo, Y., Nagasawa, A., Yano, N., Yuzawa, K., Ogata, A., & Kamimura, H. (2007). A 52-week feeding study of genetically modified soybeans in F344 rats. Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi), 48(3), 41-50. doi:10.3358/shokueishi.48.41
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