지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국식품영양과학회 Journal of Food Science and Nutrition Journal of Food Science and Nutrition Vol.2 No.3
- 발행연도
- 1997.9
- 수록면
- 219 - 224 (6page)
이용수
초록· 키워드
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The pancreas is an important organ in the maintenance of zinc homeostasis. The pancreatic tissue used in this study was obtained from rats fed varying levels of dietary Ca and phytate followed by intraperitoneal (65)^Zn injection. The objective of this study was to determine the molecular size and distribution of compounds that may represent zinc-binding complexes in pancreatic tissue homogenates. The supernatant of the homogenized pancreatic tissue was separated using a Sephadex G-75 column with Tris buffer at pH 8.1. All subfractions were assayed for zinc, protein and (65)^Zn activity. The elution of subfractions from pancreatic tissue homogenates showed a prominent peak corresponding to the high molecular weight protein standard (>66kd). A small molecular weigth protein (<6.5kd), that was absorbed at 280㎚, was also present; prominently in low Ca group, however not much as in high Ca group. These small compounds may combine weakly with zinc in pancreatic tissue and serve as zinc-binding ligands in pancreatic/biliary fluid. In the duodenum, these ligands dissociate zinc into an ionic form which becomes vulnerable to phytate complexation.
목차
Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES
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