Journal of Food and Nutrition Research
ISSN (Print): 2333-1119 ISSN (Online): 2333-1240 Website: http://www.sciepub.com/journal/jfnr Editor-in-chief: Prabhat Kumar Mandal
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Journal of Food and Nutrition Research. 2015, 3(6), 379-383
DOI: 10.12691/jfnr-3-6-4
Open AccessArticle

Gastrointestinal Tissue Distribution of β-Conglycinin in Pigs at Different Growth Stages

Yuan Zhao1, Bing Zhang1, 2, Guixin Qin1, , Tao Wang1, Nan Bao1 and Xiaodong Zhang3

1Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Key Laboratory of Animal nutrition and feed science, Jilin Province, College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, P.R. China

2Changchun Property Management School, Changchun, P.R.China

3Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, P.R. China

Pub. Date: June 28, 2015

Cite this paper:
Yuan Zhao, Bing Zhang, Guixin Qin, Tao Wang, Nan Bao and Xiaodong Zhang. Gastrointestinal Tissue Distribution of β-Conglycinin in Pigs at Different Growth Stages. Journal of Food and Nutrition Research. 2015; 3(6):379-383. doi: 10.12691/jfnr-3-6-4

Abstract

Soybean allergens may cross the gastrointestinal tissue and induce allergy, and their gastrointestinal tissue distribution could provide the basis of the allergic mechanism to some extent. But the relevant literatures for β-conglycinin are scarce. In the current study, the variation of β-conglycinin in gastrointestinal tissue in vivo was investigated using pigs as animal model in order to compare the distribution differences of β-conglycinin between the growth stages. Fifteen General No.1 barrows weaned on the 28th day were selected to carry out the animal experiments of three ages including weanling, growing and finishing stage. Pigs were fed diets with 4% purified β-conglycinin in experimental periods. The immunohistochemistry method was performed to detect the gastrointestinal distribution of β-conglycinin. The results indicated that there was a significant difference on the gastrointestinal mucosal distribution of β-conglycinin between pigs of different ages. The β-conglycinin went up from stomach to dedodenum, then slightly dropped until proximal-jejunum, and kept to rise until ileum for piglets (P<0.001). It from stomach to distal-jejunum increased slowly, but fell sharply for growers and finishers (P<0.001). The highest content of β-conglycinin was in the deodenum and ileum for piglets, and in distal-jejunum for growers and finishers (P<0.05). The β-conglycinin in intestinal villi and mucosa had similar distribution variation. The distribution of β-conglycinin in intestinal villi and crypt were not affected by growth phase.

Keywords:
β-conglycinin gastrointestinal tissue pigs growth stages distribution

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