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Int. J. Mol. Sci. 2010, 11(3), 1048-1056; doi:10.3390/ijms11031048
Article

Effect of Soybean Variety on Anti-Nutritional Factors Content, and Growth Performance and Nutrients Metabolism in Rat

1, 2, 3 and 3,*
1 Institute of Food Science and Engineering, Jilin Agricultural University, Changchun, Jilin 130118, China 2 Institute of Animal Science and Technology, Yunnan Agricultural University, Kunming, Yunnan Province 650201, China 3 Institute of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin 130118, China
* Author to whom correspondence should be addressed.
Received: 25 December 2009 / Revised: 17 January 2010 / Accepted: 20 February 2010 / Published: 9 March 2010
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

The present study was undertaken to evaluate the effects of soybean varieties on content of anti-nutritional factors, growth, and nutrient digestibility in rat. For this purpose, the content of trypsin inhibitor and lectin was firstly measured in five soybean varieties. Then sixty male Wistar rats were randomly divided into six groups and fed on different diets as follows: groups 1 to 5 were fed on treatment diets containing five different varieties of soybean flour; group 6 was fed on a control diet containing casein. All animals were fed for four weeks. During this period, faeces and urine were collected to determine the nutritional efficiency of diets and body weight were measured weekly on ten rats from each group. The results showed that trypsin inhibitor and lectin content of Jilin45 was the highest, and those of Jinong7 were the lowest of the soybean varieties. In comparison, all measured parameters, that is including gain in body weight, feed utilization efficiency, nutrient digestibility, nitrogen balance and nitrogen retention, were markedly different among the five groups of animals, but were significantly lower than the control group. These findings show that soybean varieties could significantly affect trypsin inhibitor and lectin content in soybean.
Keywords: soybean variety; anti-nutritional factors; rat; growth performance; nutrient digestibility soybean variety; anti-nutritional factors; rat; growth performance; nutrient digestibility
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Gu, C.; Pan, H.; Sun, Z.; Qin, G. Effect of Soybean Variety on Anti-Nutritional Factors Content, and Growth Performance and Nutrients Metabolism in Rat. Int. J. Mol. Sci. 2010, 11, 1048-1056.

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