Article (Scientific journals)
A novel calcium-binding peptide from bovine bone collagen hydrolysate and chelation mechanism and calcium absorption activity of peptide-calcium chelate.
Qi, Liwei; Zhang, Hongru; Guo, Yujie et al.
2023In Food Chemistry, 410, p. 135387
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Keywords :
Caco-2 cells; Calcium-binding peptide; Calcium-sensing receptor; Chelation mechanism; Calcium; Calcium, Dietary; Peptides; Chelating Agents; Collagen; Animals; Cattle; Humans; Caco-2 Cells; Calcium, Dietary/metabolism; Peptides/chemistry; Chelating Agents/pharmacology; Calcium/chemistry; Renal Dialysis; Binding peptide; Bone collagen; Bovine bone; Calcium absorption; Calcium binding; Calcium sensing receptors; Collagen hydrolysate; Analytical Chemistry; Food Science; General Medicine
Abstract :
[en] A novel calcium-binding peptide from bovine bone collagen hydrolysate was screened based on a new target-the calcium-sensing receptor (CaSR), and its chelation mechanism and calcium absorption activity were investigated. Glu-Tyr-Gly exhibited superior binding affinities to CaSR because of its interaction with the active sites of the CaSR Venus Flytrap (VFT) domain. Glu-Tyr-Gly-Ca may exist in five potential chelation modes and its potential chelation mechanism was that calcium ions were located in the center and surrounded by ionic bonds (carboxyl group) and coordination bonds (carbonyl, amino, and carboxyl group). Glu-Tyr-Gly-Ca was slightly damaged in the intestinal fluid and at different temperatures, whereas it was severely damaged in the gastric fluid and acidic conditions. The results of the calcium dialysis percentage and Caco-2 cells experiments showed that Glu-Tyr-Gly-Ca possessed good calcium transport activity and bioavailability. The findings provided theoretical basis for Glu-Tyr-Gly-Ca as potential calcium supplement to improve intestinal calcium absorption.
Disciplines :
Food science
Author, co-author :
Qi, Liwei;  Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Zhang, Hongru  ;  Université de Liège - ULiège > TERRA Research Centre
Guo, Yujie;  Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China. Electronic address: guoyujie@caas.cn
Zhang, Chunhui;  Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China. Electronic address: zhangchunhui@caas.cn
Xu, Yang;  Inner Mongolia Mengtai Biological Engineering Co., Ltd, Shengle Economic Park, Helinger County, Hohhot, Inner Mongolia 010000, China
Language :
English
Title :
A novel calcium-binding peptide from bovine bone collagen hydrolysate and chelation mechanism and calcium absorption activity of peptide-calcium chelate.
Publication date :
01 June 2023
Journal title :
Food Chemistry
ISSN :
0308-8146
eISSN :
1873-7072
Publisher :
Elsevier Ltd, England
Volume :
410
Pages :
135387
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NSCF - National Natural Science Foundation of China [CN]
Funding text :
This work was supported by the National Natural Science Foundation of China (32101883); Technical Breathrough Projects of Inner Mongolia Science and Technology Program (2022JBGS0007); National Agricultural Science and Technology Innovation Project (CAAS-ASTIP-2022).
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since 27 February 2024

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