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Chen L, Yin S, Dong S, Xu P, Liu Y, Xiang X, Huang Q, Ye L. A new insight into the key matrix components for aftertaste in Ampelopsis grossedentata (vine tea) infusion: From the intensity and duration of taste profiles using non-targeted metabolomics and molecular simulation. Food Chem 2024; 450:139236. [PMID: 38640537 DOI: 10.1016/j.foodchem.2024.139236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 03/19/2024] [Accepted: 04/01/2024] [Indexed: 04/21/2024]
Abstract
The aftertaste with a prolonged duration in ampelopsis grossedentata infusion (AGTI) is easily perceived, however, its formation mechanism is unclear. Therefore, aftertaste-A and richness were confirmed as the characteristic aftertaste of AGTI through sensory evaluation and electronic tongue. Moreover, 5-KETE, theobromine, etc., metabolites were identified as the differential components between AGTI and green tea infusion. Among them, p-coumaroyl quinic acid, xanthine etc., and proline, dihydromyricetin, etc., components contributed more to the formation of aftertaste-A and richness, respectively. Further, the bonding between characteristic metabolites for aftertaste in AGTI with their receptors were shown to be more stable using molecular docking, compared to metabolites related to typical taste profiles. The aftertaste in AGTI was more easily perceived by saltiness components or in NaCl system by molecular simulation. This study offers novel insight into the interaction mechanism of aftertaste in tea infusion and will contribute to further study on aftertaste for other foods.
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Affiliation(s)
- Le Chen
- School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
| | - Shengxin Yin
- School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
| | - Shiqin Dong
- School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
| | - Peng Xu
- School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
| | - Yongle Liu
- School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
| | - Xiaole Xiang
- School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China.
| | - Qun Huang
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - Lin Ye
- College of Food Science and Engineering, Tarim University, Alar, Xinjiang 843300, China
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2
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Guo Y, Wang F, Yang T, Li S, Dong J, Fan Y, Zhang Z, Zhao X, Hou H. Enhancement of vitamin B stability with the protection of whey protein and their interaction mechanisms. Food Chem 2024; 460:140521. [PMID: 39083964 DOI: 10.1016/j.foodchem.2024.140521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/16/2024] [Accepted: 07/17/2024] [Indexed: 08/02/2024]
Abstract
Vitamin B is easily degraded by light and heat during storage, which results in nutritional loss of food. Whey protein is expected to protect vitamin B by forming complexes through secondary bonds. The properties of the complexes and protective effects of whey protein on vitamins B1, B2, B3 and B6 were characterized. The percentage losses of vitamin B were decreased by more than 60% with the protection of whey protein. FTIR, fluorescence spectroscopy, thermodynamic analysis and molecular docking were used to investigate the binding interaction between vitamin B and whey protein. Vitamin B quenched the intrinsic fluorescence of whey protein, mainly with a static nature (Kq > 2.0 × 1010 L/(mol·s)). The interactions between whey protein and vitamin B were mostly mediated by hydrogen bonds and van der Waals forces, as demonstrated by the thermodynamic parameters and molecular docking.
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Affiliation(s)
- Yueting Guo
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Feifei Wang
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Tingting Yang
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Shiqi Li
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Jingning Dong
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Yan Fan
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Zhaohui Zhang
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Xue Zhao
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China
| | - Hu Hou
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province, 266404, PR China.; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, 266237, PR China.; Sanya Oceanographic Institution, Ocean University of China, Sanya, Hainan Province, 572024, PR China.; Qingdao Institute of Marine Bioresources for Nutrition & Health Innovation, Qingdao, Shandong Province, 266000, PR China..
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3
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Zhang W, Huang D, Liu Y, Guan H, Wang M, Chen H, Zou H, Li D. Effects of high pressure processing on structural changes, aggregation, and binding mechanisms of β-Lactoglobulin with typical polyphenols. Food Chem 2024; 458:140265. [PMID: 38968707 DOI: 10.1016/j.foodchem.2024.140265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/23/2024] [Accepted: 06/26/2024] [Indexed: 07/07/2024]
Abstract
The binding capacity of β-Lactoglobulin (BLG) is crucial for delivering polyphenols, influenced by structural changes. High pressure processing (HPP) has the potential to modify BLG's structure and aggregation, but its specific impact on BLG-polyphenol interactions is uncertain. This study used circular dichroism spectroscopy and molecular dynamics simulations to reveal HPP-induced structural changes in BLG, supported by particle size analysis indicating aggregation. Seven structurally diverse polyphenols (quercetin-QR, hesperetin-HSP, dihydromyricetin-DHM, gallic acid-GA, (-)-epicatechin-EC, resveratrol-RES, and secoisolariciresinol diglucoside-SDG) were investigated to comprehensively analyze their binding patterns using fluorescence spectroscopy and molecular docking. HPP reduced BLG's ordered structure and increased its aggregation. Binding affinities peaked at 400 MPa for DHM, QR, HSP, GA, and RES, while SDG and EC exhibited maximum affinities at atmospheric pressure and 600 MPa, respectively. Elevated pressures enhanced BLG-polyphenol interactions, particularly at residues 44GLU and 160CYS, with van der Waals forces dominating the binding free energy.
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Affiliation(s)
- Wenyuan Zhang
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China
| | - Dongjie Huang
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China
| | - Yiyan Liu
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China
| | - Hui Guan
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China
| | - Miaomiao Wang
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China
| | - Hongru Chen
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China
| | - Hui Zou
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China.
| | - Dapeng Li
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Nutrition and Human Health in Universities of Shandong, Taian, 271018, People's Republic of China.
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Sun N, Xie J, Zheng B, Xie J, Chen Y, Hu X, Yu Q. The inhibition mechanism of bound polyphenols extracted from mung bean coat dietary fiber on porcine pancreatic α-amylase: kinetic, spectroscopic, differential scanning calorimetric and molecular docking. Food Chem 2024; 436:137749. [PMID: 37864970 DOI: 10.1016/j.foodchem.2023.137749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/30/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023]
Abstract
The inhibitory mechanisms of purified bound polyphenols extracted from mung bean coat dietary fiber (pMBDF-BP) on porcine pancreatic α-amylase (PPA) were investigated through inhibition kinetics, fluorescence spectroscopy, circular dichroism, differential scanning calorimetry and molecular docking. It was shown that pMBDF-BP exerted significant reversible inhibition on PPA in a mixed-type inhibition manner (IC50 = 18.57 ± 0.30 μg/mL), and the combination of the three major components exhibited a synergistic inhibitory effect on PPA. Further, pMBDF-BP bound to the active site or form a polyphenol-enzyme complex at the inactive site through hydrogen bonding and hydrophobic forces, via enhancing the hydrophobicity of the microenvironment surrounding tryptophan and tyrosine residues and promoting the secondary structure of PPA towards a more stable conformation, eventually reducing the enzyme activity. This study provided theoretical evidences for the utilization of bound polyphenols extracted from mung bean coat dietary fiber as a functional component in natural inhibitors of α-amylase.
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Affiliation(s)
- Nan Sun
- State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Jiayan Xie
- State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Bing Zheng
- State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Yi Chen
- State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Xiaobo Hu
- State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Qiang Yu
- State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China.
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5
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Fan SH, Wang WQ, Zhou YW, Gao XJ, Zhang Q, Zhang MH. Research on the Interaction Mechanism and Structural Changes in Human Serum Albumin with Hispidin Using Spectroscopy and Molecular Docking. Molecules 2024; 29:655. [PMID: 38338399 PMCID: PMC10856618 DOI: 10.3390/molecules29030655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/22/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
The interaction between human serum albumin (HSA) and hispidin, a polyketide abundantly present in both edible and therapeutic mushrooms, was explored through multispectral methods, hydrophobic probe assays, location competition trials, and molecular docking simulations. The results of fluorescence quenching analysis showed that hispidin quenched the fluorescence of HSA by binding to it via a static mechanism. The binding of hispidin and HSA was validated further by synchronous fluorescence, three-dimensional fluorescence, and UV/vis spectroscopy analysis. The apparent binding constant (Ka) at different temperatures, the binding site number (n), the quenching constants (Ksv), the dimolecular quenching rate constants (Kq), and the thermodynamic parameters (∆G, ∆H, and ∆S) were calculated. Among these parameters, ∆H and ∆S were determined to be 98.75 kJ/mol and 426.29 J/(mol·K), respectively, both exhibiting positive values. This observation suggested a predominant contribution of hydrophobic forces in the interaction between hispidin and HSA. By employing detergents (SDS and urea) and hydrophobic probes (ANS), it became feasible to quantify alterations in Ka and surface hydrophobicity, respectively. These measurements confirmed the pivotal role of hydrophobic forces in steering the interaction between hispidin and HSA. Site competition experiments showed that there was an interaction between hispidin and HSA molecules at site I, which situates the IIA domains of HSA, which was further confirmed by the molecular docking simulation.
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Affiliation(s)
- Si-Hua Fan
- College of Biology and Food Engineering, Guangdong University of Petrochemical Technology, No. 1, Kechuang Road, Maonan District, Maoming 525000, China; (S.-H.F.); (W.-Q.W.)
- College of Animal Science and Technology, Yangtze University, 88 Jingmi Road, Jingzhou District, Jingzhou 434025, China; (Y.-W.Z.); (X.-J.G.)
| | - Wen-Qiang Wang
- College of Biology and Food Engineering, Guangdong University of Petrochemical Technology, No. 1, Kechuang Road, Maonan District, Maoming 525000, China; (S.-H.F.); (W.-Q.W.)
- College of Animal Science and Technology, Yangtze University, 88 Jingmi Road, Jingzhou District, Jingzhou 434025, China; (Y.-W.Z.); (X.-J.G.)
| | - Yu-Wen Zhou
- College of Animal Science and Technology, Yangtze University, 88 Jingmi Road, Jingzhou District, Jingzhou 434025, China; (Y.-W.Z.); (X.-J.G.)
| | - Xue-Jun Gao
- College of Animal Science and Technology, Yangtze University, 88 Jingmi Road, Jingzhou District, Jingzhou 434025, China; (Y.-W.Z.); (X.-J.G.)
| | - Qiang Zhang
- College of Biology and Food Engineering, Guangdong University of Petrochemical Technology, No. 1, Kechuang Road, Maonan District, Maoming 525000, China; (S.-H.F.); (W.-Q.W.)
| | - Ming-Hui Zhang
- College of Animal Science and Technology, Yangtze University, 88 Jingmi Road, Jingzhou District, Jingzhou 434025, China; (Y.-W.Z.); (X.-J.G.)
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6
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Xiao S, Zhang P, Zhang G, Li W, Lin H, Hu X. Inhibition of toll-like receptor 4 activation by apigenin and chrysin via competition for sites and conformational changes. Int J Biol Macromol 2023; 252:126415. [PMID: 37598817 DOI: 10.1016/j.ijbiomac.2023.126415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
The activation of toll-like receptor 4 (TLR4) signaling is crucial for initiating and coordinating the immune response against infections, and is proved as a vital target for inflammatory diseases. Herein, TLR4 with sufficient amount and functional activity was generated by heterologous expression and used to investigate the mechanism of apigenin (Api)/chrysin (Chr) inhibition of TLR4 activation. The results demonstrated that Api/Chr exhibited a strong fluorescence quenching effect through a static quenching and a high binding affinity (Ka > 105 L·mol-1) with TLR4, indicating the potential of Api/Chr as a TLR4 inhibitor. Additionally, the binding of Api/Chr induced a loose and unstable conformation of TLR4 with evidence like the decreased hydrophobicity of the tryptophan microenvironment, decreased α-helix content and increased free sulfhydryl content, resulting in reduced stability of the TLR4. The computer simulations revealed that Api/Chr occupied the myeloid differentiation factor 2 (MD-2) binding region, preventing MD-2 from binding to TLR4. Furthermore, the accuracy of the binding site between Api/Chr and TLR4 was confirmed through genetic mutations. Overall, the mechanism by which Api/Chr inhibited TLR4 activation was elucidated at the macroscopic and molecular levels, providing the worthful information concerning the future therapeutic application of Api/Chr as a natural TLR4 inhibitor.
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Affiliation(s)
- Shuang Xiao
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Peng Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Guowen Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Wenwen Li
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Haowen Lin
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Xing Hu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China.
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7
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Wang XJ, Zhou Q, Wu YR, Li J, Wang W, Yu ZY, Zheng MM, Zhou YB, Liu K. Regulation Mechanism of Phenolic Hydroxyl Number on Self-Assembly and Interaction between Edible Dock Protein and Hydrophobic Flavonoids. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:18510-18523. [PMID: 37971491 DOI: 10.1021/acs.jafc.3c05713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
In this study, galangin (Gal), kaempferol (Kae), quercetin (Que), and myricetin (Myr) were chosen as the representative flavonoids with different phenolic hydroxyl numbers in the B-ring. The edible dock protein (EDP) was chosen as the new plant protein. Based on this, the regulation mechanism of the phenolic hydroxyl number on the self-assembly behavior and molecular interaction between EDP and flavonoid components were investigated. Results indicated that the loading capacity order of flavonoids within the EDP nanomicelles was Myr (10.92%) > Que (9.56%) > Kae (6.63%) > Gal (5.55%). Moreover, this order was consistent with the order of the hydroxyl number in the flavonoid's B ring: Myr (3) > Que (2) > Kae (1) > Gal (0). The micro morphology exhibited that four flavonoid-EDP nanomicelles had a core-shell structure. In the meantime, the EDP encapsulation remarkably improved the flavonoids' water solubility, storage stability, and sustained release characteristics. During the interaction of EDP and flavonoids, the noncovalent interactions including van der Waals forces, hydrophobic interaction, and hydrogen bonding were the main binding forces. All of the results demonstrated that the hydroxyl number of bioactive compounds is a critical factor for developing a delivery system with high loading ability and stability.
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Affiliation(s)
- Xiao-Jie Wang
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Qian Zhou
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Yu-Ru Wu
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Jing Li
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Wei Wang
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Zhen-Yu Yu
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Ming-Ming Zheng
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Yi-Bin Zhou
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Kang Liu
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization Ministry of Agriculture and Rural Affairs, Anhui Engineering Laboratory for Agro-Products Processing, Food Processing Research Institute, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
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8
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Sharma S, Takkella D, Vishwakarma J, Gavvala K. Spectroscopy and dynamics of beta-lactoglobulin complexed with rifampicin. J Biomol Struct Dyn 2023:1-14. [PMID: 37904335 DOI: 10.1080/07391102.2023.2275191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 10/20/2023] [Indexed: 11/01/2023]
Abstract
In this paper, we report the binding interaction of milk protein, beta-lactoglobulin (BLG), with an antibiotic against tuberculosis, rifampicin (RIF). BLG intrinsic fluorescence from tryptophan (Trp) amino acids was monitored to understand protein-drug interactions. Binding parameters and stoichiometry were estimated with the help of fluorescence spectral changes. Synchronous fluorescence spectroscopy was employed to exclusively monitor the Trp and Tyrosine (Tyr) environment in the presence of RIF. With the help of steady state fluorescence at different temperatures supported by time-resolved fluorescence, we confirmed that the protein forms a static complex with RIF. Thermodynamic parameters, ΔH and ΔS values, showed the involvement of hydrophobic forces between the RIF and BLG. Competitive displacement assay with ANS confirmed the BLG calyx as the binding site for RIF. Energy transfer mechanism from Trp to RIF was attributed to the fluorescence changes in protein upon complexation. The Förster resonance energy transfer (FRET) was used to find distance, energy transfer efficiency and rate of energy transfer between donor (BLG) and acceptor (RIF). Fourier-transform infrared (FTIR) spectroscopy was utilized for estimating changes in the secondary structure of BLG induced by RIF. Molecular docking was used to visualise the binding location of RIF on BLG. Molecular dynamics (MD) simulation studies showed a consistent binding interactions between BLG and RIF during the 100 ns simulation period and this well supported the increased beta sheet content in FTIR. Overall our results establish the potential of intrinsic fluorescence of BLG in combination with biophysical tools to rationalize drug-protein interactions.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sudhanshu Sharma
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, India
| | - Dineshbabu Takkella
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, India
| | - Jyoti Vishwakarma
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, India
| | - Krishna Gavvala
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, India
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9
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Pu P, Deng Z, Chen L, Yang H, Liang G. Reducing Antigenicity and Improving Antioxidant Capacity of β-Lactoglobulin through Covalent Interaction with Six Flavonoids. Foods 2023; 12:2913. [PMID: 37569182 PMCID: PMC10418627 DOI: 10.3390/foods12152913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/27/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
β-lactoglobulin (β-LG) is a pivotal nutritional and functional protein. However, its application is limited by its antigenicity and susceptibility to oxidation. Here, we explore the impact of covalent modification by six natural compounds on the antigenicity and antioxidant characteristics of β-LG to explore the underlying interaction mechanism. Our findings reveal that the covalent interaction of β-LG and flavonoids reduces the antigenicity of β-LG, with the following inhibition rates: epigallocatechin-3-gallate (EGCG) (57.0%), kaempferol (42.4%), myricetin (33.7%), phloretin (28.6%), naringenin (26.7%), and quercetin (24.3%). Additionally, the β-LG-flavonoid conjugates exhibited superior antioxidant capacity compared to natural β-LG. Our results demonstrate that the significant structural modifications from α-helix to β-sheet induced by flavonoid conjugation elicited distinct variations in the antigenicity and antioxidant activity of β-LG. Therefore, the conjugation of β-LG with flavonoids presents a prospective method to reduce the antigenicity and enhance the antioxidant capacity of β-LG.
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Affiliation(s)
| | | | | | | | - Guizhao Liang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China
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Li M, Kong J, Chen Y, Li Y, Xuan H, Liu M, Zhang Q, Liu J. Comparative interaction study of soy protein isolate and three flavonoids (Chrysin, Apigenin and Luteolin) and their potential as natural preservatives. Food Chem 2023; 414:135738. [PMID: 36841103 DOI: 10.1016/j.foodchem.2023.135738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023]
Abstract
In this work, the potential of soy protein isolate (SPI)-luteolin (Lut)/apigenin (Ap)/chrysin (Chr) complexes as natural preservatives for food and cosmetics was evaluated by comparing their interactional and functional properties with structure-activity relationship. The results of spectrometry and molecular docking indicated that the B-ring hydroxylation of flavonoids affected their binding constants with SPI, which were determined as Lut (1.45 × 106 L/mol) > Ap (2.04 × 105 L/mol) > Chr (3.81 × 104 L/mol) at 298.15 K. It demonstrated that the hydrogen bonding force played an important role in binding flavonoids to SPI. Moreover, the anti-oxidation ability, antimicrobial effect, and foaming properties were positively correlated with increase in number of hydroxyl groups on the B-ring, but the amount and type of the preservative should be adjusted aimed at the nutrition components. This study provides a theoretical basis for the use of flavonoids and SPI-flavonoid complexes as natural preservatives for food and cosmetics.
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Affiliation(s)
- Mingyuan Li
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Jing Kong
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Yanrong Chen
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Yutong Li
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Hongzhuan Xuan
- School of Life Science, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Min Liu
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Qian Zhang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China.
| | - Jie Liu
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China.
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11
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Accardo F, Prandi B, Terenziani F, Tedeschi T, Sforza S. Evaluation of in vitro whey protein digestibility in a protein-catechins model system mimicking milk chocolate: Interaction with flavonoids does not hinder protein bioaccessibility. Food Res Int 2023; 169:112888. [PMID: 37254336 DOI: 10.1016/j.foodres.2023.112888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 04/08/2023] [Accepted: 04/24/2023] [Indexed: 06/01/2023]
Abstract
Flavonoids are largely present in plant food such as cocoa and derived products. These compounds can interact with proteins inherently contained in the food matrix and/or the proteolytic enzymes involved in gastrointestinal digestion. The flavonoid/protein interaction might hamper protein bioaccessibility and digestibility, affecting the nutritional quality. However, information on the digestion fate of proteins in food matrices containing both proteins and flavonoids is limited. The aim of this work was to evaluate the interaction between proteins and flavonoids and verify the potential effects of this interaction on protein digestibility. Taking milk chocolate as model, first a simple whey proteins/catechins mixed system was evaluated, and then the effects on digestibility were also verified in a real sample of commercial milk chocolate. The effects of the catechins/whey proteins interaction in the model system were evaluated by optical and chiro-optical spectroscopy, outlining a slight protein structure modification upon interaction with catechins. The digestibility of the protein fraction both in the model system, with and without catechins, and also in milk chocolate, was then determined by the application of INFOGEST in vitro digestion method: the bioaccessibility was evaluated in terms of protein hydrolysis and protein solubilisation, and major peptides generated by the digestion were also determined by LC/HR-MS. Despite the slight interaction with proteins, flavonoids were found to not hinder nor modify protein solubilization, protein hydrolysis and peptide profile by digestive enzymes. Also protein digestibility in milk chocolate, evaluated by SDS-PAGE, was found to be complete. The present data clearly indicate that the interaction of the proteins with the flavonoids present in the cocoa matrix does not to affect protein bioaccessibility during digestion.
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Affiliation(s)
- Francesca Accardo
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Barbara Prandi
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Francesca Terenziani
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze, 17/A, 43124 Parma, Italy.
| | - Tullia Tedeschi
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Stefano Sforza
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
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12
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Geng Q, McClements DJ, Wu Z, Li T, He X, Shuai X, Liu C, Dai T. Investigation of bovine β-lactoglobulin-procyanidin complexes interactions and its utilization in O/W emulsion. Int J Biol Macromol 2023; 240:124457. [PMID: 37068535 DOI: 10.1016/j.ijbiomac.2023.124457] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/21/2023] [Accepted: 04/11/2023] [Indexed: 04/19/2023]
Abstract
Procyanidins are bioactive polyphenols that have a strong affinity to proteins. Beta-lactoglobulin (BLG) is widely used as an emulsifier in the food and other industries. This study evaluated the interaction between BLG and A-type procyanidin dimer (PA2) using the spectroscopic, thermodynamic, and molecular simulation. PA2 decreased the transmissivity and quenched the intrinsic fluorescence of BLG, suggesting that the two molecules formed a complex. The binding of PA2 reduced the surface hydrophobicity and altered the conformation of BLG with increasing the random coil regions. Thermodynamic and isothermal titration calorimetry analyses suggested that the main driving force of PA2-BLG interaction was hydrophobic attraction. Molecular docking simulations were used to identify the main interaction sites and forces in the BLG-PA2 complexes, which again indicated that hydrophobic interactions dominated. In addition, the influence of PA2 on the ability of BLG to form and stabilize O/W emulsions was analyzed. Emulsions formulated using BLG-PA2 complexes contained relatively small droplets (D4,3 ≈ 0.7 μm) and high surface potentials (absolute value >50 mV). Compared to BLG alone, BLG-PA2 complexes improved the storage stability of the emulsions. This study provides valuable new insights into the formation, properties, and application of protein-polyphenol complexes as functional ingredients in foods.
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Affiliation(s)
- Qin Geng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | | | - Zhihua Wu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Ti Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Xuemei He
- Guangxi Key Laboratory of Fruits and Vegetables Storage-processing Technology, Nanning, Guangxi 530007, China
| | - Xixiang Shuai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
| | - Chengmei Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Taotao Dai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Guangxi Key Laboratory of Fruits and Vegetables Storage-processing Technology, Nanning, Guangxi 530007, China.
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13
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Xu J, Huang Y, Wei Y, Weng X, Wei X. Study on the Interaction Mechanism of Theaflavin with Whey Protein: Multi-Spectroscopy Analysis and Molecular Docking. Foods 2023; 12:foods12081637. [PMID: 37107433 PMCID: PMC10137913 DOI: 10.3390/foods12081637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
The interaction mechanism of whey proteins with theaflavin (TF1) in black tea was analyzed using multi-spectroscopy analysis and molecular docking simulations. The influence of TF1 on the structure of bovine serum albumin (BSA), β-lactoglobulin (β-Lg), and α-lactoalbumin (α-La) was examined in this work using the interaction of TF1 with these proteins. Fluorescence and ultraviolet-visible (UV-vis) absorption spectroscopy revealed that TF1 could interact with BSA, β-Lg and α-La through a static quenching mechanism. Furthermore, circular dichroism (CD) experiments revealed that TF1 altered the secondary structure of BSA, β-Lg and α-La. Molecular docking demonstrated that the interaction of TF1 with BSA/β-Lg/α-La was dominated by hydrogen bonding and hydrophobic interaction. The binding energies were -10.1 kcal mol-1, -8.4 kcal mol-1 and -10.4 kcal mol-1, respectively. The results provide a theoretical basis for investigating the mechanism of interaction between tea pigments and protein. Moreover, the findings offered technical support for the future development of functional foods that combine tea active ingredients with milk protein. Future research will focus on the effects of food processing methods and different food systems on the interaction between TF1 and whey protein, as well as the physicochemical stability, functional characteristics, and bioavailability of the complexes in vitro or in vivo.
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Affiliation(s)
- Jia Xu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
| | - Yi Huang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yang Wei
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xinchu Weng
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
| | - Xinlin Wei
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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14
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Zhang S, Dongye Z, Wang L, Li Z, Kang M, Qian Y, Cheng X, Ren Y, Chen C. Influence of environmental pH on the interaction properties of WP-EGCG non-covalent nanocomplexes. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023. [PMID: 37029636 DOI: 10.1002/jsfa.12611] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/20/2023] [Accepted: 04/08/2023] [Indexed: 05/17/2023]
Abstract
BACKGROUND Whey protein-epigallocatechin gallate (WP-EGCG) covalent conjugates and non-covalent nanocomplexes were prepared and compared using Fourier-transform infrared spectra. The effect of pH (at 2.6, 6.2, 7.1, and 8.2) on the non-covalent nanocomplexes' functional properties and the WP-EGCG interactions were investigated by studying antioxidant activity, emulsification, fluorescence quenching, and molecular docking, respectively. RESULTS With the formation of non-covalent and covalent complexes, the amide band decreased; the -OH peak disappeared; the antioxidant activity of WP-EGCG non-covalent complexes was 2.59- and 2.61-times stronger than WP-EGCG covalent conjugates for 1-diphenyl-2-picryl-hydrazyl (DPPH) and ferric reducing ability of plasma (FRAP), respectively (particle size: 137 versus 370 nm). The antioxidant activity (DPPH 27.48-44.32%, FRAP 0.47-0.63) was stronger at pH 6.2-7.1 than at pH 2.6 and pH 8.2 (DPPH 19.50% and 26.36%, FRAP 0.39 and 0.41). Emulsification was highest (emulsifying activity index 181 m2 g-1 , emulsifying stability index 107%) at pH 7.1. The interaction between whey protein (WP) and EGCG was stronger under neutral and weakly acidic conditions: KSV (5.11-8.95 × 102 L mol-1 ) and Kq (5.11-8.95 × 1010 L mol s-1 ) at pH 6.2-7.1. Binding constants (pH 6.2 and pH 7.1) increased with increasing temperature. Molecular docking suggested that hydrophobic interactions played key roles at pH 6.2 and pH 7.1 (∆H > 0, ∆S > 0). Hydrogen bonding was the dominant force at pH 2.6 and pH 8.2 (∆H < 0, ∆S < 0). CONCLUSION Environmental pH impacted the binding forces of WP-EGCG nanocomplexes. The interaction between WP and EGCG was stronger under neutral and weakly acidic conditions. Neutral and weakly acidic conditions are preferable for WP-EGCG non-covalent nanocomplex formation. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Shuangling Zhang
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Zixuan Dongye
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Li Wang
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Zhenru Li
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Mengchen Kang
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Yaru Qian
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Xiaofang Cheng
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Yuhang Ren
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
| | - Chengwang Chen
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao, P. R. China
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15
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Liu F, McClements DJ, Ma C, Liu X. Novel Colloidal Food Ingredients: Protein Complexes and Conjugates. Annu Rev Food Sci Technol 2023; 14:35-61. [PMID: 36972160 DOI: 10.1146/annurev-food-060721-023522] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Food proteins, polysaccharides, and polyphenols are natural ingredients with different functional attributes. For instance, many proteins are good emulsifiers and gelling agents, many polysaccharides are good thickening and stabilizing agents, and many polyphenols are good antioxidants and antimicrobials. These three kinds of ingredients can be combined into protein, polysaccharide, and/or polyphenol conjugates or complexes using covalent or noncovalent interactions to create novel multifunctional colloidal ingredients with new or improved properties. In this review, the formation, functionality, and potential applications of protein conjugates and complexes are discussed. In particular, the utilization of these colloidal ingredients to stabilize emulsions, control lipid digestion, encapsulate bioactive ingredients, modify textures, and form films is highlighted. Finally, future research needs in this area are briefly proposed. The rational design of protein complexes and conjugates may lead to the development of new functional ingredients that can be used to create more nutritious, sustainable, and healthy foods.
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Affiliation(s)
- Fuguo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China; ,
| | | | - Cuicui Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China; ,
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China; ,
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16
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Li T, Li J, Huang Y, Qayum A, Jiang Z, Liu Z. Comparison of interaction, structure, and cell proliferation of α-lactalbumin-safflower yellow complex induced by microwave heating or conventional heating. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:1846-1855. [PMID: 36347624 DOI: 10.1002/jsfa.12325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 11/03/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The protein-polyphenol interaction mechanism has always been a research hotspot, but their interaction is affected by heat treatment, which is widely applied in food processing. Moreover, the effects of microwave or water-bath heating on the protein-polyphenol interaction mechanism have been not clarified. The pasteurization condition (65 °C, 30 min) was selected to compare the effects of microwave or water bath on binding behavior, structure, and cell proliferation between α-lactalbumin (α-LA) and safflower yellow (SY), thus providing a guide for the selection of functional dairy processing conditions. RESULTS Microwave heat treatment of α-LA-SY resulted in stronger fluorescence quenching than that of conventional heat treatment. Moreover, the binding constant Ka of all α-LA-SY samples was augmented significantly after microwave or water bath treatment, and microwave-heated α-LA-SY showed the maximum Ka . Fourier transform infrared spectroscopy showed that microwave heating resulted in more ordered structures of α-LA into its disordered structures than water bath heating. However, the ferric reducing antioxidant power and chroma value of α-LA-SY were more reduced by microwave heating than by water bath heating. Moreover, microwave heating facilitated the cell proliferation of α-LA-SY compared with water bath treatment. CONCLUSION It was demonstrated that microwave heating promoted interaction between α-LA and SY more than water bath heating did. Microwave heat treatment was a safe and effective way to enhance the binding affinity of α-LA to SY, being a potential application in food industry. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Tianqi Li
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co. Ltd, Shanghai, China
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Harbin, People's Republic of China
| | - Jinzhe Li
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Harbin, People's Republic of China
| | - Yuxuan Huang
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Harbin, People's Republic of China
| | - Abdul Qayum
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Harbin, People's Republic of China
| | - Zhanmei Jiang
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co. Ltd, Shanghai, China
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Harbin, People's Republic of China
| | - Zhenmin Liu
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co. Ltd, Shanghai, China
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17
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Krekora M, Markiewicz KH, Wilczewska AZ, Nawrocka A. Raman and thermal (TGA and DSC) studies of gluten proteins supplemented with flavonoids and their glycosides. J Cereal Sci 2023. [DOI: 10.1016/j.jcs.2023.103672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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18
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Fu M, Gao L, Geng Q, Li T, Dai T, Liu C, Chen J. Noncovalent interaction mechanism and functional properties of flavonoid glycoside-β-lactoglobulin complexes. Food Funct 2023; 14:1357-1368. [PMID: 36648058 DOI: 10.1039/d2fo02791g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The interaction of flavonoid glycosides with milk protein and effects on the functional properties of flavonoid glycoside-β-lactoglobulin complexes are still inexplicit. The noncovalent interactions between flavonoid glycosides including quercetin (QE), quercitrin (QI), and rutin (RU) with β-lactoglobulin (β-LG) were determined by computer molecular docking and multispectral technique analysis. The fluorescence quenching results indicated that the flavonoid glycosides formed stable complexes with β-LG by the static quenching mechanism. The computer molecular docking and thermodynamic parameters analysis conclude that the main interaction of β-LG-QE was via hydrogen bonding, while for β-LG-QI and β-LG-RU it is via hydrophobic forces. The order of binding affinity to β-LG was QE (37.76 × 104 L mol-1) > RU (16.80 × 104 L mol-1) > QI (11.17 × 104 L mol-1), which indicated that glycosylation adversely affected the colloidal complex binding capacity. In this study, the physicochemical properties of the protein-flavonoid colloidal complex were determined. The analysis by circular dichroism spectroscopy demonstrated that flavonoid glycosides made the protein structure looser by inducing the secondary structure of β-LG to transform from the α-helix and β-sheet to random coils. The hydrophobicity of β-LG decreased due to binding with flavonoid glycosides, while functional properties including foaming, emulsification, and antioxidant capacities of β-LG were improved due to the noncovalent interactions. This study presents a part of the insight and guidance on the interactive mechanism of flavonoid glycosides and proteins and is helpful for developing functional protein-based foods.
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Affiliation(s)
- Min Fu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, 330047, China.
| | - Lizhi Gao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, 330047, China. .,West Yunnan University of Applied Sciences, Dali, Yunnan, 671000, China
| | - Qin Geng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, 330047, China.
| | - Ti Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, 330047, China.
| | - Taotao Dai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, 330047, China.
| | - Chengmei Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, 330047, China.
| | - Jun Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, 330047, China.
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19
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Wang Y, Guo Y, Zhang L, Yuan M, Zhao L, Bai C, McClements DJ. Impacts of hesperidin on whey protein functionality: Interacting mechanism, antioxidant capacity, and emulsion stabilizing effects. Front Nutr 2023; 9:1043095. [PMID: 36687727 PMCID: PMC9846557 DOI: 10.3389/fnut.2022.1043095] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/05/2022] [Indexed: 01/06/2023] Open
Abstract
The objective of this work was to explore the possibility of improving the antioxidant capacity and application of whey protein (WP) through non-covalent interactions with hesperidin (HES), a citrus polyphenol with nutraceutical activity. The interaction mechanism was elucidated using several spectroscopic methods and molecular docking analysis. The antioxidant capacity of the WP-HES complexes was analyzed and compared to that of the proteins alone. Moreover, the resistance of oil-in-water emulsions formulated using the WP-HES complexes as antioxidant emulsifiers to changes in environmental conditions (pH, ion strength, and oxidant) was evaluated. Our results showed that HES was incorporated into a single hydrophobic cavity in the WP molecule, where it was mainly held by hydrophobic attractive forces. As a result, the microenvironments of the non-polar tyrosine and tryptophan residues in the protein molecules were altered after complexation. Moreover, the α-helix and β-sheet regions in the protein decreased after complexation, while the β-turn and random regions increased. The antioxidant capacity of the WP-HES complexes was greater than that of the proteins alone. Non-radiative energy transfer from WP to HES was detected during complex formation. Compared to WP alone, the WP-HES complexes produced emulsions with smaller mean droplet diameters, exhibited higher pH and salt stability, and had better oxidative stability. The magnitude of these effects increased as the HES concentration was increased. This research would supply valuable information on the nature of the interactions between WP and HES. Moreover, it may lead to the creation of dual-function antioxidant emulsifiers for application in emulsified food products.
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Affiliation(s)
- Yin Wang
- National R&D Branch Center for Freshwater Fish Processing, College of Life Science, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Yangkai Guo
- National R&D Branch Center for Freshwater Fish Processing, College of Life Science, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Longtao Zhang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Meilan Yuan
- National R&D Branch Center for Freshwater Fish Processing, College of Life Science, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Li Zhao
- National R&D Branch Center for Freshwater Fish Processing, College of Life Science, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Chunqing Bai
- National R&D Branch Center for Freshwater Fish Processing, College of Life Science, Jiangxi Science and Technology Normal University, Nanchang, China,*Correspondence: Chunqing Bai,
| | - David Julian McClements
- Department of Food Science, University of Massachusetts, Amherst, MA, United States,David Julian McClements,
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20
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Ren Y, Zhu Y, Qi X, Yan H, Zhao Y, Wu Y, Zhang N, Ding Z, Yuan L, Liu M. Noncovalent interaction of chlorogenic acid and/or gallocatechin gallate with β-lactoglobulin: Effect on stability and bioaccessibility of complexes and nanoparticles. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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21
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Abdollahi K, Condict L, Hung A, Kasapis S. Examination of β-lactoglobulin-ferulic acid complexation at elevated temperature using biochemical spectroscopy, proteomics and molecular dynamics. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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22
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The Interactional Characterization of Lentil Protein Isolate (LPI) with Cyanidin-3-O-Glucoside (C3G) and Their Effect on the Stability and Antioxidant Activity of C3G. Foods 2022; 12:foods12010104. [PMID: 36613320 PMCID: PMC9818459 DOI: 10.3390/foods12010104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/17/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
The interaction between lentil protein isolate (LPI) and cyanidin-3-O-glucoside (C3G) was investigated via with UV−vis spectroscopy, circular dichroism, and fluorescence spectroscopy and the stability of anthocyanin was also evaluated. After LPI mixed with C3G, the turbidity and foaming capacity increased and the particle size and surface charge did not change significantly, while the surface hydrophobicity decreased significantly (p < 0.05). The fluorescence results indicated that C3G quenched the intrinsic of LPI by static quenching and LPI bound with C3G via hydrophobic effects with Ka of 3.24 × 106 M−1 at 298 K. The addition of LPI significantly (p < 0.05) slightly decreased the thermal and oxidation degradation of C3G by up to 90.23% and 54.20%, respectively, while their antioxidant activity was inhibited upon mixing. These alterations of physicochemical properties might be attributed to their structural changes during the interaction. The obtained results would be of help in stabilizing bioactive compounds and the development of functional foods.
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23
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Shen X, Xue S, Tan Y, Zhong W, Liang X, Wang J. Binding of Licochalcone A to Whey Protein Enhancing Its Antioxidant Activity and Maintaining Its Antibacterial Activity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15917-15927. [PMID: 36484772 DOI: 10.1021/acs.jafc.2c06125] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Incorporating LA into whey protein by forming whey protein isolate-LA (WPI-LA) and polymerized whey protein-LA (PWP-LA) complexes is a good way to maintain its bioactivity and improve its functional performance within food matrices. Herein, we found that WPI and PWP were able to interact with LA as suggested by multi-spectroscopy, molecular docking, and molecular dynamics simulations. The interaction between whey protein and LA was a spontaneous non-covalent binding process, while PWP had a higher affinity for LA than WPI, resulting from its more negatively binding free energy with LA. Hydrogen bonds, van der Waals forces, and electrostatic interactions were responsible for WPI-LA interactions. Hydrophobic forces, van der Waals, and hydrogen bonds positively accounted for PWP-LA interactions. The antioxidant activity of LA was improved by complexation with whey proteins as identified by DPPH and ABTS. The antimicrobial efficiency of LA was partially screened by complexation with whey protein with MIC values increased by seven-fold compared to free LA but successfully recovered to its original efficiency upon isolating it from the complex. This work demonstrates the promising antioxidant and antibacterial activities of the whey protein-LA complex and provides a good candidate for developing a new class of natural functional ingredients for food systems.
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Affiliation(s)
- Xue Shen
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun130062, China
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun130062, China
| | - Shiqi Xue
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun130062, China
| | - Yuying Tan
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun130062, China
| | - Weigang Zhong
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun130062, China
| | - Xiaoying Liang
- Department of Internal Medicine, University of South Florida, Tampa, Florida33612, United States
| | - Jianfeng Wang
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun130062, China
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Wang J, Cheng J. Spectroscopic and molecular docking studies of the interactions of sunset yellow and allura red with human serum albumin. J Food Saf 2022. [DOI: 10.1111/jfs.13030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Jun Wang
- College of Life Science and Technology Hubei Engineering University Xiaogan China
| | - Jing‐jing Cheng
- College of Life Science and Technology Hubei Engineering University Xiaogan China
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25
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Manivel P, Marimuthu P, Yu S, Chen X. Multispectroscopic and Computational Investigations on the Binding Mechanism of Dicaffeoylquinic Acids with Ovalbumin. J Chem Inf Model 2022; 62:6133-6147. [PMID: 36398926 DOI: 10.1021/acs.jcim.2c01011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Recently, studies on the interactions between ovalbumin (OVA) and polyphenols have received a great deal of interest. This study explored the conformational changes and the interaction mechanism of the binding between OVA and chlorogenic acid (CGA) isomers such as 3,4-dicaffeoylquinic acids (3,4-diCQA), 4,5-dicaffeoylquinic acids (4,5-diCQA), and 3,5-dicaffeoylquinic acids (3,5-diCQA) using multispectroscopic and in silico analyses. The emission spectra show that the diCQAs caused strong quenching of OVA fluorescence under different temperatures through a static quenching mechanism with hydrogen bond (H-bond) and van der Waals (vdW) interactions. The values of binding constants (OVA-3,4-diCQA = 6.123 × 105, OVA-3,5-diCQA = 2.485 × 105, OVA-4,5-diCQA = 4.698 × 105 dm3 mol-1 at 298 K) suggested that diCQAs had a strong binding affinity toward OVA, among which OVA-3,4-diCQA exhibits higher binding constant. The results of UV-vis absorption and synchronous fluorescence indicated that the binding of all three diCQAs to OVA induced conformational and micro-environmental changes in the protein. The findings of molecular modeling further validate the significant role of vdW force and H-bond interactions in ensuring the stable binding of OVA-diCQA complexes. Temperature-dependent molecular dynamics simulation studies allow estimation of the individual components that contribute to the total bound free energy value, which allows evaluation of the nature of the interactions involved. This research can provide information for future investigations on food proteins' physicochemical stability and CGA bioavailability in vitro or in vivo.
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Affiliation(s)
- Perumal Manivel
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Jingkou District, Zhenjiang, Jiangsu212013, P.R. China
| | - Parthiban Marimuthu
- Structural Bioinformatics Laboratory (SBL─Biochemistry) and Pharmaceutical Science Laboratory (PSL─Pharmacy), Faculty of Science and Engineering, Åbo Akademi University, TurkuFI-20520, Finland
| | - Sun Yu
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Jingkou District, Zhenjiang, Jiangsu212013, P.R. China
| | - Xiumin Chen
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Jingkou District, Zhenjiang, Jiangsu212013, P.R. China.,Institute of Food Physical Processing, Jiangsu University, 301 Xuefu Road, Jingkou District, Zhenjiang, Jiangsu212013, P.R. China.,International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang212013, China
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26
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Liang F, Shi Y, Shi J, Cao W. Exploring the binding mechanism of pumpkin seed protein and apigenin: Spectroscopic analysis, molecular docking and molecular dynamics simulation. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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27
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Wang H, Ke L, Zhou J, Li G, Xu T, Rao P. Multi-spectroscopic, molecular docking and molecular dynamic simulation evaluation of hydroxychloroquine sulfate interaction with caseins and whey proteins. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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28
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Shuai X, Gao L, Geng Q, Li T, He X, Chen J, Liu C, Dai T. Effects of Moderate Enzymatic Hydrolysis on Structure and Functional Properties of Pea Protein. Foods 2022; 11:foods11152368. [PMID: 35954136 PMCID: PMC9368430 DOI: 10.3390/foods11152368] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/03/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022] Open
Abstract
Pea protein (PP) was moderately hydrolyzed using four proteolytic enzymes including flavourzyme, neutrase, alcalase, and trypsin to investigate the influence of the degree of hydrolysis (DH) with 2%, 4%, 6%, and 8% on the structural and functional properties of PP. Enzymatic modification treatment distinctly boosted the solubility of PP. The solubility of PP treated by trypsin was increased from 10.23% to 58.14% at the 8% DH. The results of SDS-PAGE indicated the protease broke disulfide bonds, degraded protein into small molecular peptides, and transformed insoluble protein into soluble fractions with the increased DH. After enzymatic treatment, a bathochromic shift and increased intrinsic fluorescence were observed for PP. Furthermore, the total sulfhydryl group contents and surface hydrophobicity were reduced, suggesting that the unfolding of PP occurred. Meanwhile, the foaming and emulsification of PP were improved after enzymatic treatment, and the most remarkable effect was observed under 6% DH. Moreover, under the same DH, the influence on the structure and functional properties of PP from large to small are trypsin, alcalase, neutrase and flavourzyme. This result will facilitate the formulation and production of natural plant-protein-based products using PP.
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Affiliation(s)
- Xixiang Shuai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Lizhi Gao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Qin Geng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Ti Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
- Correspondence: (T.L.); (T.D.)
| | - Xuemei He
- Guangxi Academy of Agricultural Sciences, Nanning 530007, China
| | - Jun Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Chengmei Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Taotao Dai
- Guangxi Academy of Agricultural Sciences, Nanning 530007, China
- Correspondence: (T.L.); (T.D.)
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Characterization of the interactions of human serum albumin with carmine and amaranth using multi-spectroscopic techniques and molecular docking. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01529-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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30
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Baruah I, Kashyap C, Guha AK, Borgohain G. Insights into the Interaction between Polyphenols and β-Lactoglobulin through Molecular Docking, MD Simulation, and QM/MM Approaches. ACS OMEGA 2022; 7:23083-23095. [PMID: 35847254 PMCID: PMC9280950 DOI: 10.1021/acsomega.2c00336] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this work, we have explored the interaction of three different polyphenols with the food protein β-lactoglobulin. Antioxidant activities of polyphenols are influenced by complexation with the protein. However, studies have shown that polyphenols after complexation with the protein can be more beneficial due to enhanced antioxidant activities. We have carried out molecular docking, molecular dynamics (MD) simulation, and quantum mechanics/molecular mechanics (QM/MM) studies on the three different protein-polyphenol complexes. We have found from molecular docking studies that apigenin binds in the internal cavity, luteolin binds at the mouth of the cavity, and eriodictyol binds outside the cavity of the protein. Docking studies have also provided binding free energy and inhibition constant values that showed that eriodictyol and apigenin exhibit better binding interactions with the protein than luteolin. For eriodictyol and luteolin, van der Waals, hydrophobic, and hydrogen bonding interactions are the main interacting forces, whereas for apigenin, hydrophobic and van der Waals interactions play major roles. We have calculated the root mean square deviation (RMSD), root mean square fluctuations (RMSF), solvent-accessible surface area (SASA), interaction energies, and hydrogen bonds of the protein-polyphenol complexes. Results show that the protein-eriodictyol complex is more stable than the other complexes. We have performed ONIOM calculations to study the antioxidant properties of the polyphenols. We have found that apigenin and luteolin act as better antioxidants than eriodictyol does on complexation with the protein, which is consistent with the results obtained from MD simulations.
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31
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Liu Q, Sun Y, Cheng J, Zhang X, Guo M. Changes in conformation and functionality of whey proteins induced by the interactions with soy isoflavones. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Zhou W, Peng C, Wang D, Li J, Tu Z, Zhang L. Interaction Mechanism between OVA and Flavonoids with Different Hydroxyl Groups on B-Ring and Effect on Antioxidant Activity. Foods 2022; 11:foods11091302. [PMID: 35564025 PMCID: PMC9099482 DOI: 10.3390/foods11091302] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 02/04/2023] Open
Abstract
Ovalbumin (OVA) is a common carrier with high efficiency to deliver flavonoids. The aim of this study was to investigate the interaction mechanism of OVA and four flavonoids (quercetin (Que), myricetin (Myri), isorhamnetin (Ish), and kaempferol (Kaem)) with similar structures by fluorescence spectra, SDS−PAGE, FT−IR, and molecular docking analysis, and the effect on the antioxidant abilities of flavonoids was also evaluated. Results indicated that the antioxidant activity of flavonoids was positively correlated to the number of phenolic hydroxyl groups of on the B-ring, and weakened when the C-3′ position was replaced by a methoxy group. The addition of OVA enhanced the antioxidant activity of Que/Kaem, while it masked the antioxidant activity of Myri. The formation of Que/Myri/Ish/Kaem−OVA complexes was a spontaneous exothermic process driven mainly by hydrogen bond and van der Waals force, which could result in the change in OVA conformation and induce the transformation of α-helix to β-sheet. Among these, Kaem exhibited the strongest binding ability with OVA, and showed the greatest impact on the secondary and conformational structure of OVA, followed by Que. The hydroxylation of C-3′ and methoxylation of C-5′ weaken the interaction of Kaem with OVA. Molecular docking analysis suggested that Que, Myri, Ish, and Kaem formed six, three, five, and four hydrogen bonds with OVA, and the number of hydrogen bonds was not positively correlated with their binding constants. Our findings can provide a theoretical basis for the application of OVA on improving the antioxidant activity of flavonoids, and may help to explain the delivery efficiency of OVA on different bioactive constituents.
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Affiliation(s)
| | | | | | | | | | - Lu Zhang
- Correspondence: ; Tel.: +86-791-8812-0965
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Nassarawa SS, Nayik GA, Gupta SD, Areche FO, Jagdale YD, Ansari MJ, Hemeg HA, Al-Farga A, Alotaibi SS. Chemical aspects of polyphenol-protein interactions and their antibacterial activity. Crit Rev Food Sci Nutr 2022; 63:9482-9505. [PMID: 35475717 DOI: 10.1080/10408398.2022.2067830] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The hunt for novel antibiotics has become a global public health imperative due to the rise in multidrug-resistant microorganisms, untreatable infection cases, overuse, and inefficacy of modern antibiotics. Polyphenols are getting much attention in research due to their multiple biological effects; their use as antimicrobial agents is attributed to their activity and that microbes have a hard time developing resistance to these natural compounds. Polyphenols are secondary metabolites produced in higher plants. They are known to possess various functional properties in the human body. Polyphenols also exhibit antibacterial activities against foodborne pathogens. Their antibacterial mechanism is based on inhibiting bacterial biofilm formation or inactivating enzymes. This review focused on polyphenol-protein interactions and the creation of this complex as a possible antibacterial agent. Also, different phenolic interactions on bacterial proteins, efflux pump, cell membrane, bacterial adhesion, toxins, and other bacterial proteins will be explored; these interactions can work in a synergic combination with antibiotics or act alone to assure bacterial inhibition. Additionally, our review will focus on polyphenol-protein interaction as a possible strategy to eradicate bacteria because polyphenols have shown a robust enzyme-inhibitory characteristic and a high tendency to complex with proteins, a response that neutralizes any bactericidal potential.
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Affiliation(s)
| | - Gulzar Ahmad Nayik
- Department of Food Science and Technology, Government Degree College Shopian, Srinagar, Jammu and Kashmir, India
| | - S Dutta Gupta
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Franklin Ore Areche
- Professional School of Agroindustrial Engineering, National University of Huancavelica, Huancavelica, Peru
| | - Yash D Jagdale
- MIT School of Food Technology, MIT Art, Design and Technology University, Pune, Maharashtra, India
| | - Mohammad Javed Ansari
- Department of Botany, Hindu College Moradabad (Mahatma Jyotiba Phule Rohilkhand University), Bareilly, Uttar Pradesh, India
| | - Hassan A Hemeg
- Department of Medical Laboratory Technology, College of Applied Medical Sciences, Taibah University, Monawra, Saudi Arabia
| | - Ammar Al-Farga
- Department of Biochemistry, College of Sciences, University of Jeddah, Jeddah, Saudi Arabia
| | - Saqer S Alotaibi
- Department of Biotechnology, College of Science, Taif University, Taif, Saudi Arabia
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Siddiqui SA, Bahmid NA, Taha A, Khalifa I, Khan S, Rostamabadi H, Jafari SM. Recent advances in food applications of phenolic-loaded micro/nanodelivery systems. Crit Rev Food Sci Nutr 2022; 63:8939-8959. [PMID: 35426751 DOI: 10.1080/10408398.2022.2056870] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The current relevance of a healthy diet in well-being has led to a surging interest in designing novel functional food products enriched by biologically active molecules. As nature-inspired bioactive components, several lines of research have revealed the capability of polyphenolic compounds (phenolics) in the medical intervention of different ailments, i.e., tumors, cardiovascular and inflammatory diseases. Phenolics typically possess antioxidant and antibacterial properties and, due to their unique molecular structure, can offer superior platforms for designing functional products. They can protect food ingredients from oxidation and promote the physicochemical attributes of proteins and carbohydrate-based materials. Even though these properties contribute to the inherent benefits of bioactive phenolics as important functional ingredients in the food industry, the in vitro/in vivo instability, poor solubility, and low bioavailability are the main factors restricting their food/pharma applicability. Recent advances in the encapsulation realm are now offering efficient platforms to overcome these limitations. The application of encapsulation field may offer protection and controlled delivery of phenolics in food formulations. Here, we review recent advances in micro/nanoencapsulation of phenolics and highlight efficient carriers from this decade, which have been utilized successfully in food applications. Although further development of phenolic-containing formulations promises to design novel functional food formulations, and revolutionize the food industry, most of the strategies found in the scientific literature are not commercially applicable. Moreover, in vivo experiments are extremely crucial to corroborate the efficiency of such products.
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Affiliation(s)
- Shahida Anusha Siddiqui
- Technical University of Munich Campus Straubing for Biotechnology and Sustainability, Straubing, Germany
- German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
| | - Nur Alim Bahmid
- National Research and Innovation Agency, Jakarta, Indonesia
- Agricultural Product Technology Department, Sulawesi Barat University, Majene, Indonesia
| | - Ahmed Taha
- Center for Physical Sciences and Technology, State Research Institute, Vilnius, Lithuania
- Department of Food Science, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria, Egypt
| | - Ibrahim Khalifa
- Food Technology Department, Faculty of Agriculture, Benha University, Moshtohor, Egypt
| | - Sipper Khan
- Institute of Agricultural Engineering Tropics and Subtropics Group, University of Hohenheim, Stuttgart, Germany
| | - Hadis Rostamabadi
- Technical University of Munich Campus Straubing for Biotechnology and Sustainability, Straubing, Germany
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seid Mahdi Jafari
- Technical University of Munich Campus Straubing for Biotechnology and Sustainability, Straubing, Germany
- German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
- Faculty of Food Science and Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, Ourense, Spain
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35
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Wang Y, Xie Y, Wang A, Wang J, Wu X, Wu Y, Fu Y, Sun H. Insights into interactions between food polyphenols and proteins: an updated overview. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yan Wang
- College of Chemistry and Chemical Engineering, Key Laboratory of Drug Design Huangshan University Huangshan China
| | - Yang Xie
- Pharmaceutical Engineering Center Chongqing Medical and Pharmaceutical College Chongqing China
| | - Aidong Wang
- College of Chemistry and Chemical Engineering, Key Laboratory of Drug Design Huangshan University Huangshan China
| | - Jianhua Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering Chongqing University Chongqing China
| | - Xiaoran Wu
- College of Chemistry and Chemical Engineering, Key Laboratory of Drug Design Huangshan University Huangshan China
| | - Yan Wu
- College of Chemistry and Chemical Engineering, Key Laboratory of Drug Design Huangshan University Huangshan China
| | - Yuna Fu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering Chongqing University Chongqing China
| | - Heng Sun
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering Chongqing University Chongqing China
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36
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The interaction between bovine serum albumin and [6]-,[8]- and [10]-gingerol: An effective strategy to improve the solubility and stability of gingerol. Food Chem 2022; 372:131280. [PMID: 34818732 DOI: 10.1016/j.foodchem.2021.131280] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 09/21/2021] [Accepted: 09/28/2021] [Indexed: 12/29/2022]
Abstract
In this study, the binding mechanism between bovine serum albumin (BSA) and three gingerols ([6]-, [8]- and [10]-gingerol) was evaluated to explore an effective strategy for improving solubility and stability of gingerols. The fluorescence analysis suggested gingerols could bind with BSA to form a stable BSA/gingerols complex and [10]-gingerol had the strongest binding affinity (Ka = 4.016 × 104 L/mol) at 298 K. Thermodynamic parameters and molecular modeling validated that hydrophobic interaction and hydrogen bonds were the main driving force for the interaction of BSA/gingerols. Gingerols bound to BSA at site I (subdomain IIA) resulted in a conformational change of BSA with a structure shrinkage, which was responsible for the decrease of surface hydrophobicity. The formation of BSA/gingerols complexes promoted the solubility of [6]-, [8]- and [10]-gingerol increasing by 1.50, 6.04 and 23.50 times, respectively. In addition, the stability and antioxidant capacity of gingerols was significantly improved after binding with BSA.
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37
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Tang L, Hu J, Mei S, Wu D, Zhang J, Wu W, Li H, Li H. Comparative analysis of the interaction between azobenzene di-maleimide and human serum albumin/lysozyme. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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38
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Characterization of the binding behavior, structure and foaming properties of bovine α-lactalbumin combined with saponin by the multi-spectroscopic and silico approaches. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107259] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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39
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Yan M, Wang Y, Shen X, Dong S, Diao M, Zhao Y, Zhang T. Enhanced foaming properties of lactoferrin by forming functional complexes with ginsenoside Re and Rb1. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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40
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Molecular docking simulation combining with multi-spectroscopy techniques clarify how small molecule ligands bind to biomacromolecule: Myosin and aldehydes as a case study. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112977] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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41
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Effects of interaction between hesperetin/hesperidin and glutenin on the structure and functional properties of glutenin. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112983] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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42
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The non-covalent interacting forces and scavenging activities to three free radicals involved in the caseinate–flavonol (kaempferol and quercetin) complexes. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-021-01157-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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43
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Effects of Baicalein and Chrysin on the Structure and Functional Properties of β-Lactoglobulin. Foods 2022; 11:foods11020165. [PMID: 35053897 PMCID: PMC8774648 DOI: 10.3390/foods11020165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/01/2022] [Accepted: 01/06/2022] [Indexed: 12/16/2022] Open
Abstract
Two flavonoids with similar structures, baicalein (Bai) and chrysin (Chr), were selected to investigate the interactions with β-lactoglobulin (BLG) and the influences on the structure and functional properties of BLG by multispectral methods combined with molecular docking and dynamic (MD) simulation techniques. The results of fluorescence quenching suggested that both Bai and Chr interacted with BLG to form complexes with the binding constant of the magnitude of 105 L·mol−1. The binding affinity between BLG and Bai was stronger than that of Chr due to more hydrogen bond formation in Bai–BLG binding. The existence of Bai or Chr induced a looser conformation of BLG, but Chr had a greater effect on the secondary structure of BLG. The surface hydrophobicity and free sulfhydryl group content of BLG lessened due to the presence of the two flavonoids. Molecular docking was performed at the binding site of Bai or Chr located in the surface of BLG, and hydrophobic interaction and hydrogen bond actuated the formation of the Bai/Chr–BLG complex. Molecular dynamics simulation verified that the combination of Chr and BLG decreased the stability of BLG, while Bai had little effect on it. Moreover, the foaming properties of BLG got better in the presence of the two flavonoids compounds and Bai improved its emulsification stability of the protein, but Chr had the opposite effect. This work provides a new idea for the development of novel dietary supplements using functional proteins as flavonoid delivery vectors.
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Huang Y, Zhang X, Suo H. Interaction between β-lactoglobulin and EGCG under high-pressure by molecular dynamics simulation. PLoS One 2021; 16:e0255866. [PMID: 34932559 PMCID: PMC8691620 DOI: 10.1371/journal.pone.0255866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 11/29/2021] [Indexed: 11/19/2022] Open
Abstract
The binding between β-lactoglobulin and epigallocatechin gallate (EGCG) under the pressure of 600 MPa was explored using molecular docking and molecular dynamics (MD) simulation. EGCG bound mainly in two regions with site 1 in internal cavity of the β-barrel and site 2 on the surface of protein. 150 ns MD was performed starting from the structure with the optimal binding energy at the two sites in molecular docking, respectively. It was found that the protein fluctuated greatly when small molecule bound to site 2 at 0.1 MPa, and the protein fluctuation and solvent accessible surface area became smaller under high-pressure. The binding of small molecules made the protein structure more stable with increasing of α-helix and β-sheet, while high-pressure destroyed α-helix of protein. The binding energy of small molecules at site 1was stronger than that at site 2 under 0.1 MPa, with stronger van der Waals and hydrophobic interaction at site 1 while more hydrogen bonds were present at site 2. The binding energy of both sites weakened under high-pressure, especially at site 1, causing the binding force to be weaker at site 1 than that at site 2 under high-pressure.
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Affiliation(s)
- Yechuan Huang
- College of Bioengineering, Jingchu University of Technology, Jingmen, PR China
- * E-mail: ,
| | - Xicai Zhang
- College of Bioengineering, Jingchu University of Technology, Jingmen, PR China
| | - Huayi Suo
- College of Food Science, Southwest University, Chongqing, PR China
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45
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Comparison of interaction mechanism between chlorogenic acid/luteolin and glutenin/gliadin by multi-spectroscopic and thermodynamic methods. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131219] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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46
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Zhao Y, Wang M, Huang G. Structure-activity relationship and interaction mechanism of nine structurally similar flavonoids and α-amylase. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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Li Y, Li N, Chen F, Yang X, Lei Y, Liu Y, Tuo X. Evaluation of binding properties of human serum albumin and mono-benzyl phthalate (MBZP): Multi-spectroscopic analysis and computer simulation. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117283] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Insights into oat polyphenols constituent against advanced glycation end products mechanism by spectroscopy and molecular interaction. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101313] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Li X, Liu H, Wu X, Xu R, Ma X, Zhang C, Song Z, Peng Y, Ni T, Xu Y. Exploring the interactions of naringenin and naringin with trypsin and pepsin: Experimental and computational modeling approaches. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 258:119859. [PMID: 33957444 DOI: 10.1016/j.saa.2021.119859] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 04/11/2021] [Accepted: 04/16/2021] [Indexed: 06/12/2023]
Abstract
Naringenin and naringin are two natural compounds with important health benefits, whether as food or drug. It is necessary to study the interactions between naringenin/naringin and digestive proteases, such as trypsin and pepsin. In this study, the bindings of naringenin and naringin to trypsin and pepsin were investigated using multi-spectroscopy analysis and computational modeling approaches. Fluorescence experiments indicate that both naringenin and naringin can quench the intrinsic fluorescence of trypsin/pepsin via static quenching mechanism. Naringin binds trypsin/pepsin in a more firmly way than naringenin. Thermodynamic analysis reveals that the interactions of naringenin/naringin and trypsin/pepsin are synergistically driven by enthalpy and entropy, and the major driving forces are hydrophobic, electrostatic interactions and hydrogen bonding. Synchronous fluorescence spectroscopy, circular dichroism spectroscopy and FT-IR show that naringenin/naringin may induce microenvironmental and conformational changes of trypsin and pepsin. Molecular docking reveals that naringenin binds in the close vicinity of the active site (Ser-195) of trypsin and Asp-32 (the catalytic activity of pepsin) appears in naringin-pepsin system. The direct interactions between naringenin or naringin and catalytic amino acid residues will inhibit the catalytic activity of trypsin and pepsin, respectively. The results of molecular dynamic simulation validate the reliability of the docking results.
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Affiliation(s)
- Xiangrong Li
- Department of Medical Chemistry, Key Laboratory of Medical Molecular Probes, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Hongyi Liu
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Xinzhe Wu
- Grade 2020, Clinical Medicine, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Ruonan Xu
- Department of Medical Chemistry, Key Laboratory of Medical Molecular Probes, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Xiaoyi Ma
- Grade 2018, Pharmaceutics, School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Congxiao Zhang
- Grade 2018, Pharmaceutics, School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Zhizhi Song
- Grade 2020, Clinical Medicine, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Yanru Peng
- Grade 2017, Clinical Pharmacy, School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Tianjun Ni
- Department of Medical Chemistry, Key Laboratory of Medical Molecular Probes, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Yongtao Xu
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, Henan 453003, PR China.
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Li J, Tian R, Liang G, Shi R, Hu J, Jiang Z. Interaction mechanism of flavonoids with whey protein isolate: A spectrofluorometric and theoretical investigation. Food Chem 2021; 355:129617. [PMID: 33784543 DOI: 10.1016/j.foodchem.2021.129617] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 11/27/2022]
Abstract
The interaction mechanism between whey protein isolate (WPI) and flavonoids was investigated based on the spectrofluorometric and theoretical methods in this study. The binding capacities of 15 flavonoids with WPI were compared. Then, the 3D-QSAR model describing their binding behavior was established to illustrate the effect of flavonoid structure on binding. It was found that the flavonoids with electronegative group at C-3 or large substituent at C-3 and C-7 possessed high binding performance. The thermodynamic analysis further indicated the hydrophobic force was the main driving force for binding of WPI and flavonoids. Both synchronous and 3D fluorescence analysis suggested that the microenvironment around tryptophan residues had changed, which coincided with the result of molecular docking that tryptophan residue of α-lactalbumin contributed significantly to hydrogen bonding. Our results suggested that the combination of 3D-QSAR and molecular docking may prompt the interaction research between food-derived proteins and polyphenols.
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Affiliation(s)
- Jiaqi Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Ran Tian
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Guizhao Liang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China
| | - Ruijie Shi
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jialun Hu
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Zhanmei Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science and Technology, Northeast Agricultural University, Harbin 150030, China.
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