Non-covalent interaction between lactoferrin and theaflavin: Focused on the structural changes, binding mechanism, and functional properties

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Liu, Xiaoze;Chen, Jingwen;Zhang, Wen;Lin, Xue;Fei, Tao;...

通讯作者：

Wang, L;Liu, ZH

作者机构：

[Liu, Xiaoze; Fei, Tao; Chen, Jingwen; Wang, Lu; Lin, Xue; Zhang, Wen] Hainan Univ, Sch Food Sci & Engn, Peoples Ave, Haikou, Peoples R China.

[Liu, Zhonghua; Wang, Lu] Hunan Agr Univ, Key Lab Tea Sci, Minist Educ, Coinnovat Ctr,Educ Minist Utilizat Bot Funct Ingre, Changsha 410128, Hunan, Peoples R China.

[Liu, Zhonghua; Wang, Lu] Hunan Agr Univ, Natl Res Ctr Engn Technol Utilizat Funct Ingredien, Coinnovat Ctr Educ,Minist Utilizat Bot Funct Ingre, Collaborat Innovat Ctr Utilisat Funct Ingredients, Changsha 410128, Hunan, Peoples R China.

[Fei, Tao; Wang, Lu; Lin, Xue] Hainan Univ, Key Lab Food Nutr & Funct Food Hainan Prov, Haikou 570228, Peoples R China.

[Liu, Zhonghua] Hunan Agr Univ, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Wang, L ; Liu, ZH ] H

Hainan Univ, Sch Food Sci & Engn, Peoples Ave, Haikou, Peoples R China.

Hunan Agr Univ, Changsha 410128, Hunan, Peoples R China.

语种：

英文

关键词：

Lactoferrin;Theaflavin;Multi-spectroscopy analysis;Molecular dynamics simulations;Dynamic interfacial tension;Functional properties

期刊：

Food Chemistry

ISSN：

0308-8146

年：

2024

卷：

461

页码：

140835

DOI：

10.1016/j.foodchem.2024.140835

基金类别：

National Natural Science Foundation of China [32360109, 32201991]; Collaborative Innovation Center project of Hainan University, China [XTCX2022NYC19]

机构署名：

本校为通讯机构

院系归属：

园艺园林学院

摘要：

In this study, non-covalent binding mechanism of lactoferrin (LaF)-theaflavin (TF) complex and its functional properties were investigated. Multi-spectroscopic analyses showed that the secondary structure of LaF was altered with increasing TF concentration. The non-covalent binding of TF to LaF resulted in a reduction in the content of the alpha-helix and beta-sheet, as well as a decrease in the fluorescence intensity of LaF. DSC result showed that non-covalent binding of TF improved thermal stability of LaF. Molecular dynamics simulations confirmed that the stable binding of LaF-TF was driven...

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Non-covalent interaction between lactoferrin and theaflavin: Focused on the structural changes, binding mechanism, and functional properties

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