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The Effect of Raw Soybean on Oxidative Status of Digestive Organs in Mice

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Author(s): Chunmei Gu | Hongsheng Qu | Lingling Han | Xinxiu Song | Linlin Zhao | Wenfa Lu

Journal: International Journal of Molecular Sciences
ISSN 1422-0067

Volume: 12;
Issue: 12;
Start page: 8836;
Date: 2011;
Original page

Keywords: anti-nutritional factors | digestive organs | free radical | mice | raw soybean

ABSTRACT
The present study was undertaken to specify the effect of raw soybean on oxidative status of digestive organs in mice. For this purpose, thirty male (C57BL/6J) mice were randomly divided into three groups and fed on different diets as follows: Group 1 was fed on control diet, Group 2 was fed on raw soybean diet and Group 3 was fed on raw soybean diet supplemented with 30 mg/kg cysteamine. After two weeks of feeding, duodenum, liver and pancreas samples were collected to measure oxidative and antioxidative parameters. The results show that ingestion of raw soybean markedly increased contents of superoxide anion and malondialdehyde (MDA) and activity of inducible nitric oxide synthase (iNOS), decreased activity of superoxide dismutase (SOD), T-AOC and content of reduced glutathione (GSH) in digestive organs of mice (P < 0.05). In the group fed with raw soybean diet supplemented with cysteamine, oxidative stress was mitigated. However, oxidative parameter levels were still higher than those of control diet-fed group. The present study indicates that ingestion of raw soybean could result in an imbalance between oxidant and antioxidant, and thus induce oxidative stress in digestive organs of mice.
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