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Chen J, Jin J, Liu Y, Zhao M, Qi Z, Shi W, Li Y, Lu S, Dong J, Wang Q. Assessing the structural and foaming property changes in egg yolk proteins due to malondialdehyde: Experimental and molecular docking studies. Food Chem 2024; 452:139529. [PMID: 38703740 DOI: 10.1016/j.foodchem.2024.139529] [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: 02/16/2024] [Revised: 04/17/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
This study evaluated the effects of varying levels of malondialdehyde (MDA) on the structural and foaming properties of the egg yolk proteins (EYPs), and the interaction between them was explored by molecular docking. The results showed that oxidative modification due to MDA increased the carbonyl content of EYPs by 4.49 times. Simultaneously, the total sulfhydryl content was reduced by 21.47%, and the solubility of EYPs was significantly decreased (p < 0.05). Continuous oxidation disorders the previously ordered structure of EYPs. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis indicated that some proteins underwent crosslinking and aggregation with increased MDA oxidation, aligning with changes in particle size and zeta-potential. Moderate oxidation (<1 mmol/L) enhanced the foaming capacity and foam stability of EYPs. Additionally, molecular docking results uncovered favorable interactions between MDA and specific EYPs, primarily through hydrogen bonding. This research offers valuable insights into managing the functional and quality changes of yolk products during processing.
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Affiliation(s)
- Jingya Chen
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Jiaxin Jin
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Yu Liu
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Mengbin Zhao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Zeliang Qi
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Wenjing Shi
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Yangyang Li
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Shiling Lu
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Juan Dong
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Qingling Wang
- School of Food Science and Technology, Shihezi University, Xinjiang Uygur Autonomous Region, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps, School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China.
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Yu X, Li B, Ouyang H, Xu W, Zhang R, Fu X, Gao S, Li S. Exploring the oxidative rancidity mechanism and changes in volatile flavors of watermelon seed kernels based on lipidomics. Food Chem X 2024; 21:101108. [PMID: 38292678 PMCID: PMC10825323 DOI: 10.1016/j.fochx.2023.101108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/18/2023] [Accepted: 12/28/2023] [Indexed: 02/01/2024] Open
Abstract
Watermelon seed kernels (WSK) are prone to oxidative rancidity, while their evaluation biomarkers and changes in volatile flavor are still unknown. The research tracked the changes in volatile compounds and lipid components before and after rancidity using HS-SPME-GC-O-MS and lipidomic techniques. The results showed the flavor of watermelon seed kernels changed significantly before and after rancidity, from mild aroma to rancidity. A total of 42 volatile compounds were detected via GC-O-MS, and a total of 220 lipid molecules were detected via lipidomic technology. 55 lipids with significant differences were screened via multivariate statistical analysis. Combining the above analysis, it found that glycerol phospholipid and glyceride pathways were the most important metabolic pathways and 1-Pentanol and styrene could be used as potential biomarkers to judge the rancidity process of watermelon seed kernels. The research could provide powerful technical support for the storage, transportation and freshness preservation of watermelon seed kernels.
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Affiliation(s)
- Xiongwei Yu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Engineering Research Center of Bio-process, Ministry of Education/Key Laboratory for Agricultural Products Processing of Anhui Province/School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
- Wuhan Xudong Food Co Ltd, Wuhan 430000, China
| | - Bin Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Hui Ouyang
- Engineering Research Center of Bio-process, Ministry of Education/Key Laboratory for Agricultural Products Processing of Anhui Province/School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Weijian Xu
- Engineering Research Center of Bio-process, Ministry of Education/Key Laboratory for Agricultural Products Processing of Anhui Province/School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Ruru Zhang
- Engineering Research Center of Bio-process, Ministry of Education/Key Laboratory for Agricultural Products Processing of Anhui Province/School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Xing Fu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Sihai Gao
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shugang Li
- Engineering Research Center of Bio-process, Ministry of Education/Key Laboratory for Agricultural Products Processing of Anhui Province/School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
- Wuhan Xudong Food Co Ltd, Wuhan 430000, China
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Duarte RMF, Malta SM, Mascarenhas FNADP, Bittar VP, Borges AL, Teixeira RR, Zanon RG, Vieira CU, Espindola FS. Chronic exposure to 2,2'-azobis-2-amidinopropane that induces intestinal damage and oxidative stress in larvae of Drosophila melanogaster. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 106:104388. [PMID: 38355029 DOI: 10.1016/j.etap.2024.104388] [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: 09/13/2023] [Revised: 12/28/2023] [Accepted: 02/07/2024] [Indexed: 02/16/2024]
Abstract
Embryonic development is exceptionally susceptible to pathogenic, chemistry and mechanical stressors as they can disrupt homeostasis, causing damage and impacted viability. Oxidative stress has the capacity to induce alterations and reshape the environment. However, the specific impacts of these oxidative stress-induced damages in the gastrointestinal tract of Drosophila melanogaster larvae have been minimally explored. This study used 2,2-azobis (2-amidinopropane) dihydrochloride (AAPH), a free radical generator, to investigate oxidative stress effects on Drosophila embryo development. The results showed that exposing Drosophila eggs to 30 mM AAPH during 1st instar larva, 2nd instar larva and 3rd instar larva stages significantly reduced hatching rates and pupal generation. It increased the activity of antioxidant enzymes and increased oxidative damage to proteins and MDA content, indicating severe oxidative stress. Morphological changes in 3rd individuals included decreased brush borders in enterocytes and reduced lipid vacuoles in trophocytes, essential fat bodies for insect metabolism. Immunostaining revealed elevated cleaved caspase 3, an apoptosis marker. This evidence validates the impact of oxidative stress toxicity and cell apoptosis following exposure, offering insights into comprehending the chemically induced effects of oxidative stress by AAPH on animal development.
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Affiliation(s)
| | - Serena Mares Malta
- Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, MG, Brazil
| | | | - Vinicius Prado Bittar
- Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, MG, Brazil
| | - Ana Luiza Borges
- Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, MG, Brazil
| | | | - Renata Graciele Zanon
- Institute of Biomedicals Science, Federal University of Uberlandia, Uberlandia, MG, Brazil
| | - Carlos Ueira Vieira
- Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, MG, Brazil
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Shen M, Yang X, Wang Z, Sha X, Zhang X, Sun J. The Impact of AAPH-Induced Oxidation on the Functional and Structural Properties, and Proteomics of Arachin. Molecules 2023; 28:6277. [PMID: 37687106 PMCID: PMC10489151 DOI: 10.3390/molecules28176277] [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: 07/28/2023] [Revised: 08/23/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
The aim of this study was to investigate the effect of 2,2'-azobis (2-amidinopropane) dihydrochloride (AAPH)-induced oxidation on the functional, structural properties and proteomic information of arachin. The results showed that moderate oxidation improved the water/oil holding capacity of proteins and increased the emulsifying stability, while excessive oxidation increased the carbonyl content, reduced the thiol content, altered the structure and thermal stability, and reduced most of the physicochemical properties. Through LC-QE-MS analysis, it was observed that oxidation leads to various modifications in arachin, including carbamylation, oxidation, and reduction, among others. In addition, 15 differentially expressed proteins were identified. Through gene ontology (GO) analysis, these proteins primarily affected the cellular and metabolic processes in the biological process category. Further Kyoto encyclopedia of genes and genomes (KEGG) analysis revealed that the "proteasome; protein processing in the endoplasmic reticulum (PPER)" pathway was the most significantly enriched signaling pathway during the oxidation process of arachin. In conclusion, this study demonstrated that AAPH-induced oxidation can alter the conformation and proteome of arachin, thereby affecting its corresponding functional properties. The findings of this study can potentially serve as a theoretical basis and foundational reference for the management of peanut processing and storage.
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Affiliation(s)
- Mingjuan Shen
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, College of Life Science, Southwest Forestry University, Kunming 650224, China; (M.S.); (X.Y.); (Z.W.)
| | - Xi Yang
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, College of Life Science, Southwest Forestry University, Kunming 650224, China; (M.S.); (X.Y.); (Z.W.)
| | - Zhenxing Wang
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, College of Life Science, Southwest Forestry University, Kunming 650224, China; (M.S.); (X.Y.); (Z.W.)
| | - Xiaomei Sha
- National R&D Center for Freshwater Fish Processing, College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Xuechun Zhang
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, College of Life Science, Southwest Forestry University, Kunming 650224, China; (M.S.); (X.Y.); (Z.W.)
- Guangxi Academy of Agricultural Sciences, Nanning 530007, China;
| | - Jian Sun
- Guangxi Academy of Agricultural Sciences, Nanning 530007, China;
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Wang Q, Zhu Z, Huang T, Huang M, Huang J. Changes in glycated myofibrillar proteins conformation on the formation of Nε-carboxymethyllysine under gradient thermal conditions. Food Chem 2023; 418:136005. [PMID: 37001357 DOI: 10.1016/j.foodchem.2023.136005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/09/2023] [Accepted: 03/19/2023] [Indexed: 03/30/2023]
Abstract
Nε-carboxymethyllysine (CML), a frequently used marker of advanced glycation end products (AGEs) in food, was generated in food processing easily and caused changes in myofibrillar proteins (MPs) characterization. The relevance between glycosylated MPs structure alternation and CML formation under thermal conditions have been reported. However, the correlation mechanism was not clear yet. In this work, the influence of gradient heating (50℃, 60℃, 70℃, 80℃, and 90℃) on the different degrees of glycated MPs, which determined the correlation with CML formation in protein structural changes of MPs. In the rising stage of the CML level, glycation accelerated the fibrillation and aggregation behavior of MPs during heating and increased surface hydrophobicity and particle size. The protein cross-linking affected the protein modification caused by heating and glycation. This work highlights the substantial influences of glycosylation and thermal treatments on MPs, which transformed the MPs structural characteristics and CML level.
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Han M, Zhao J, Wu Q, Mao X, Zhang J. Effects of Packaging Materials on Structural and Simulated Digestive Characteristics of Walnut Protein during Accelerated Storage. Foods 2023; 12:foods12030620. [PMID: 36766154 PMCID: PMC9913943 DOI: 10.3390/foods12030620] [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: 12/15/2022] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 02/04/2023] Open
Abstract
Walnuts are rich in fat and proteins that become oxidized during the processing and storage conditions of their kernels. In this study, the effect of three packaging materials (e.g., polyethylene sealed packaging, polyamide/polyethylene vacuum packaging, and polyethylene terephthalate/aluminum foil/polyethylene vacuum packaging) were investigated on the oxidation, structural and digestive properties of walnut kernel proteins. Results showed that the amino acid content gradually decreased and carbonyl derivatives and dityrosine were formed during storage. The protein molecule structure became disordered as the α-helix decreased and the random coil increased. The endogenous fluorescence intensity decreased and the maximum fluorescence value was blue-shifted. After 15 days of storage, surface hydrophobicity decreased, while SDS-PAGE and HPLC indicated the formation of large protein aggregates, leading to a reduction in solubility. By simulating gastrointestinal digestion, we found that oxidation adversely affected the digestive properties of walnut protein isolate and protein digestibility was best for polyethylene terephthalate/aluminum foil/polyethylene vacuum packaging. The degree of protein oxidation in walnuts increased during storage, which showed that except for fat oxidation, the effect of protein oxidation on quality should be considered. The results of the study provided new ideas and methods for walnut quality control.
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Wang S, Niu L, Zhou B, Peng Y, Yang X, Shen Y, Li S. Drying methods affect physicochemical and functional characteristics of Clanis Bilineata Tingtauica Mell protein. Front Nutr 2022; 9:1053422. [DOI: 10.3389/fnut.2022.1053422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 10/24/2022] [Indexed: 11/10/2022] Open
Abstract
Clanis Bilineata Tingtauica Mell Protein (CBTMP) was a kind of natural full-price protein which has a bright application prospect in the food industry. Since the functional properties of protein can be significantly affected by drying method, this study aims to explore the effect of different drying methods, namely freeze drying (FD), vacuum drying (VD),and hot-air drying (HD) on the structure and functional properties of CBTMP. The results showed that the degree of oxidation of CBTMP was found to be in the following order: HD > VD > FD. Functional characteristics revealed that the CBTMP prepared by VD had relatively high foaming ability (150.24 ± 5.34°C) among three drying methods. However, the stability of emulsion and rheological properties prepared by FD was superior to other samples. Differential scanning calorimeter (DSC) showed CBTMP made by HD had the relatively good thermal stability (Tp = 91.49 ± 0.19 °C), followed by VD and FD. Digestive properties reflected that heating treatment could significantly increase its degree of hydrolysis in vitro. To sum up, the research could provide experimental guidance and theoretical support for the preparation method and utilization of CBTMP.
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Qin X, Zhuang Y, Ma J, Liu S, Shi B. Enhanced toxicity effects of iron particles together with PFOA in drinking water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 311:119919. [PMID: 35977639 DOI: 10.1016/j.envpol.2022.119919] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 07/23/2022] [Accepted: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Iron particles present in drinking water distribution systems (DWDSs) could cause discoloration, while organic pollutants in DWDSs, such as perfluorooctanoic acid (PFOA), could be enriched by iron particles. However, little is known about the enhanced effects of PFOA and iron particles in DWDSs. To fill in these knowledge gaps, herein, iron-PFOA (FEP) particles were generated using residual chlorine as an oxidant in drinking water conditions and then separated into different sizes (ranging from small to large: FEP-S, FEP-M ,and FEP-L). FEP-S harbored the greatest cytotoxicity among the sizes. Interestingly, our data revealed that the PFOA released from FEP particles transformed into PFOS (perfluorooctane sulfonate) upon digestion in the gastrointestinal environment (GI), and FEP-L bored the strongest transformation, showing a toxicity profile that was distinct from that of FEP-S. Furthermore, mechanistic studies revealed that FEP per se should be accountable for the conversion of PFOA to PFOS dependent on the generation of hydroxyl radicals (·OH) in GI, and that FEP-L revealed the greatest production of ·OH. Collectively, these results showed how iron particles and PFOA could result in enhanced toxicity effects in drinking water: (i) PFOA could increase the toxicity of iron particles by reducing particle size and inducing higher generation of ·OH; (ii) iron particles could induce the transformation of PFOA into more toxic PFOS through digestion.
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Affiliation(s)
- Xinyi Qin
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Yuan Zhuang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Juan Ma
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Baoyou Shi
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
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Zhu H, Zhang M, Wang P, Sun C, Xu W, Ma J, Zhu Y, Wang D. Exploring the regulating mechanism of heat induced gelation of myosin by binding with Mb hemin prosthetic group. Food Chem 2022; 382:132354. [DOI: 10.1016/j.foodchem.2022.132354] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/31/2021] [Accepted: 02/02/2022] [Indexed: 01/30/2023]
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Effects of Peroxyl Radicals on the Structural Characteristics and Fatty Acid Composition of High-Density Lipoprotein from Duck Egg Yolk. Foods 2022; 11:foods11111634. [PMID: 35681384 PMCID: PMC9180385 DOI: 10.3390/foods11111634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/27/2022] [Accepted: 05/28/2022] [Indexed: 11/17/2022] Open
Abstract
In this study, high-density lipoprotein (HDL) from duck egg yolk was subjected to oxidation with a system based on 2,2′-azobis (2-amidinopropane) dihydrochloride (AAPH)-derived peroxyl radicals. The effects of peroxyl radicals on the protein carbonyl, free sulfhydryl, secondary/tertiary structure, surface hydrophobicity, solubility, particle size distribution, zeta potential and fatty acid composition of HDL were investigated by using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), Fourier-transform infrared spectroscopy (FTIR), circular dichroism (CD), fluorescence spectroscopy, dynamic light scattering and ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS). The results indicated that the content of protein carbonyl was significantly increased, that of free sulfhydryl was obviously reduced, and the ordered secondary structure was also decreased with increasing AAPH concentration. In addition, the surface hydrophobicity and solubility of HDL showed apparent increases due to the exposure of hydrophobic groups and aggregation of protein caused by oxidation. The fatty acid composition of HDL exhibited pronounced changes due to the disrupted protein–lipid interaction and lipid oxidation by AAPH-derived peroxyl radicals. These results may help to elucidate the molecular mechanism for the effect of lipid oxidation products on the oxidation of duck yolk proteins.
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Xin L, Zhang Y, Duan W, Ai M, Song H, Huang Q, Lu J. Effect of malondialdehyde oxidation on structure and physicochemical properties of amandin. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Luo Xin
- Production and Construction Group Key Laboratory of Special Agricultural Products Further Processing in Southern Xinjiang Xinjiang 843300 China
- College of Food Science Fujian Agriculture and Forestry University Fuzhou Fujian 350002 China
- School of Public Health The Key Laboratory of Environmental Pollution Monitoring and Disease Control Ministry of Education Guizhou Medical University Guiyang 550000 China
| | - Yufeng Zhang
- College of Food Science Fujian Agriculture and Forestry University Fuzhou Fujian 350002 China
| | - Wenshan Duan
- College of Food Science Fujian Agriculture and Forestry University Fuzhou Fujian 350002 China
| | - Mingyan Ai
- Production and Construction Group Key Laboratory of Special Agricultural Products Further Processing in Southern Xinjiang Xinjiang 843300 China
| | - Hongbo Song
- College of Food Science Fujian Agriculture and Forestry University Fuzhou Fujian 350002 China
| | - Qun Huang
- College of Food Science Fujian Agriculture and Forestry University Fuzhou Fujian 350002 China
- School of Public Health The Key Laboratory of Environmental Pollution Monitoring and Disease Control Ministry of Education Guizhou Medical University Guiyang 550000 China
| | - Jiankang Lu
- Production and Construction Group Key Laboratory of Special Agricultural Products Further Processing in Southern Xinjiang Xinjiang 843300 China
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Lei Y, Gao S, Xiang X, Li X, Yu X, Li S. Physicochemical, structural and adhesion properties of walnut protein isolate-xanthan gum composite adhesives using walnut protein modified by ethanol. Int J Biol Macromol 2021; 192:644-653. [PMID: 34655580 DOI: 10.1016/j.ijbiomac.2021.10.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/18/2021] [Accepted: 10/02/2021] [Indexed: 10/20/2022]
Abstract
Low-sugar and high-protein adhesives have broad market application prospects, while natural plant proteins have confronted technical bottlenecks due to their poor adhesion. In this study, the effects of ethanol with different concentrations (0-80%) on the adhesion properties of walnut protein isolate-xanthan gum (WNPI-XG) composite adhesives were investigated. Results showed the bonding strength of WNPI-XG treated with 40% ethanol reached 12.55 MPa, the denaturation temperature and the surface hydrophobicity increased to 87.91 and 185.07 respectively, displaying the best rheological and texture properties. It also indicated appropriate concentration of ethanol (40%) didn't change the molecular weight of WNPI-XG, but greatly strengthened the fluorescence intensity, leading changes in contents of reactive sulfhydryl groups, electrostatic forces, hydrophobic interactions, hydrogen bonds and disulfide bonds. Furthermore, the treatment also facilitated a conformation conversion of the secondary structures from β-sheet to α-helix, promoting the full unfolding of protein molecules. The microstructure analysis showed after 40% ethanol treatment, the WNPI structure was uniform, the surface of WNPI-XG adhesive was flat and smooth, combined more closely with water molecules. By analyzing the influence of ethanol treatment on adhesion of WNPI-XG, the research laid a theoretical foundation for protein modification, providing good technical references for its development and utilization.
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Affiliation(s)
- Yuqing Lei
- Engineering Research Center of Bio-process, Ministry of Education/Key Laboratory for Agricultural Products Processing of Anhui Province/School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Key Laboratory of Fermentation Engineering, Ministry of Education/School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Sihai Gao
- Department of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiaole Xiang
- School of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha 410114, China
| | - Xiuting Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 102488, China
| | - Xiongwei Yu
- Wuhan Xudong Food Co., Ltd., Wuhan 430000, China
| | - Shugang Li
- Engineering Research Center of Bio-process, Ministry of Education/Key Laboratory for Agricultural Products Processing of Anhui Province/School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Key Laboratory of Fermentation Engineering, Ministry of Education/School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China.
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Li W, Wu Y, Li C, Zhu L. Effect of (E,E)‐2,4‐decadienal on Side‐Chain Modification, Conformation Change, and Aggregation of Bovine Serum Albumin. EUR J LIPID SCI TECH 2021. [DOI: 10.1002/ejlt.202100066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wenjuan Li
- College of Life Science Anqing Normal University Anqing Anhui 246133 P. R. China
- School of Food Engineering Anhui Science and Technology University Chuzhou Anhui 233100 P. R. China
- Key Laboratory of Biodiversity and Ecology Conservation of Southwest Anhui Anqing Anhui 246133 P. R. China
| | - Yan Wu
- College of Life Science Anqing Normal University Anqing Anhui 246133 P. R. China
- Key Laboratory of Biodiversity and Ecology Conservation of Southwest Anhui Anqing Anhui 246133 P. R. China
| | - Conghu Li
- College of Life Science Anqing Normal University Anqing Anhui 246133 P. R. China
- Key Laboratory of Biodiversity and Ecology Conservation of Southwest Anhui Anqing Anhui 246133 P. R. China
| | - Liangliang Zhu
- College of Life Science Anqing Normal University Anqing Anhui 246133 P. R. China
- Key Laboratory of Biodiversity and Ecology Conservation of Southwest Anhui Anqing Anhui 246133 P. R. China
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14
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Cao H, Sun R, Shi J, Li M, Guan X, Liu J, Huang K, Zhang Y. Effect of ultrasonic on the structure and quality characteristics of quinoa protein oxidation aggregates. ULTRASONICS SONOCHEMISTRY 2021; 77:105685. [PMID: 34364069 PMCID: PMC8350374 DOI: 10.1016/j.ultsonch.2021.105685] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/13/2021] [Accepted: 07/21/2021] [Indexed: 05/06/2023]
Abstract
Protein oxidation leads to covalent modification of structure and deterioration of functional properties of quinoa protein. The objective of this study was to investigate the effects of ultrasonic treatment on the functional and physicochemical properties of quinoa protein oxidation aggregates. In this concern, 2,2'-azobis (2-amidinopropane) dihydrochloride (AAPH) was selected as oxidative modification of quinoa protein. The microstructure of quinoa protein displayed by scanning electron microscope (SEM) indicated that oxidation induced extensive aggregation, leading to carbonylation and degradation of sulfhydryl groups. Aggregation induced by oxidation had a negative effect on the solubility, turbidity, emulsifying stability. However, according to the analysis of physicochemical properties, ultrasonic significantly improved the water solubility of quinoa protein. The quinoa protein treated by ultrasonic for 30 min exhibited the best dispersion stability in water, which corresponded to the highest ζ-potential, smallest particle size and most uniform distribution. Based on the FT-IR, SDS-PAGE and surface hydrophobicity analysis, the increase of α-helix, β-turn and surface hydrophobicity caused by cavitation effect appeared to be the main mechanism of quinoa protein solubilization. In addition, the hydrophobic region of the protein was re-buried by excessive ultrasonic treatment, and the protein molecules were reaggregated by disulfide bonds. Microstructural observations further confirmed that ultrasonic treatment effectively inhibited protein aggregation and improved the functional properties of quinoa protein.
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Affiliation(s)
- Hongwei Cao
- School of Medical Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai, PR China; Innovation Center of National Grain, University of Shanghai for Science and Technology, Shanghai, PR China
| | - Rulian Sun
- School of Medical Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai, PR China
| | - Junru Shi
- School of Medical Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai, PR China
| | - Mengyao Li
- School of Medical Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai, PR China
| | - Xiao Guan
- School of Medical Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai, PR China; Innovation Center of National Grain, University of Shanghai for Science and Technology, Shanghai, PR China.
| | - Jing Liu
- College of Information Engineering, Shanghai Maritime University, Shanghai, PR China
| | - Kai Huang
- School of Medical Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai, PR China
| | - Yu Zhang
- School of Medical Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai, PR China
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15
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Miao R, Feng Y, Wang Y, Wang P, Li P, Li X, Wang L. Exploring the influence mechanism of ozonation on protein fouling of ultrafiltration membranes as a result of the interfacial interaction of foulants at the membrane surface. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 785:147340. [PMID: 33930806 DOI: 10.1016/j.scitotenv.2021.147340] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/25/2021] [Accepted: 04/20/2021] [Indexed: 05/09/2023]
Abstract
Ozonation was widely used before ultrafiltration processes, but its effect mechanism on protein fouling is still controversial. Ozonation of bovine serum albumin (BSA) solutions was performed in the present work. The interfacial forces of BSA at the membrane surface were measured before and after ozonation. The adsorption behaviour of BSA onto the membrane surface and the fouling layer structures under different ozone dosages were also investigated. These results were combined with the membrane fouling behaviour to identify the effect of ozonation on protein fouling. The results showed that ozonation could weaken the interaction forces between the membrane and BSA effectively, but this did not have any effect on membrane fouling. In contrast, in terms of membrane fouling behaviour after pre-ozonation, the contribution of the changes in the covalent disulfide bonds between BSA molecules outweighs those of the non-covalent bonds. The number of disulfide bonds gradually increased as the O3:DOC ratio increased from 0 to 0.3, and began to decline when the O3:DOC ratio was further increased to 0.45 and 0.6. This could have altered the deposition rate of foulants onto the membrane surface and the structure of the fouling layers, and may have caused the membrane fouling first to be enhanced and then to decline with increasing ozone dosages.
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Affiliation(s)
- Rui Miao
- Research Institute of Membrane Separation Technology of Shaanxi Province, Key Laboratory of Membrane Separation of Shaanxi Province, Key Laboratory of Northwest Water Resources, Key Laboratory of Environmental Engineering of Shaanxi Province, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China; School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China; Department of Civil Engineering, the University of Hong Kong, Pokfulam, Hong Kong, China.
| | - Yaya Feng
- Research Institute of Membrane Separation Technology of Shaanxi Province, Key Laboratory of Membrane Separation of Shaanxi Province, Key Laboratory of Northwest Water Resources, Key Laboratory of Environmental Engineering of Shaanxi Province, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China; School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China
| | - Yupeng Wang
- Research Institute of Membrane Separation Technology of Shaanxi Province, Key Laboratory of Membrane Separation of Shaanxi Province, Key Laboratory of Northwest Water Resources, Key Laboratory of Environmental Engineering of Shaanxi Province, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China; School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China
| | - Pei Wang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China; Department of Civil Engineering, the University of Hong Kong, Pokfulam, Hong Kong, China
| | - Pu Li
- Department of Civil Engineering, the University of Hong Kong, Pokfulam, Hong Kong, China
| | - Xiaoyan Li
- Department of Civil Engineering, the University of Hong Kong, Pokfulam, Hong Kong, China
| | - Lei Wang
- Research Institute of Membrane Separation Technology of Shaanxi Province, Key Laboratory of Membrane Separation of Shaanxi Province, Key Laboratory of Northwest Water Resources, Key Laboratory of Environmental Engineering of Shaanxi Province, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China; School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road. No. 13, Xi'an 710055, China
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16
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Miao R, Zhou Y, Wang P, Lu W, Li P, Li X, Wang L. A comparison of effect mechanisms of chlorination and ozonation on the interfacial forces of protein at membrane surfaces and the implications for membrane fouling control. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119266] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Zhu Z, Yang J, Zhou X, Khan IA, Bassey AP, Huang M. Comparison of two kinds of peroxyl radical pretreatment at chicken myofibrillar proteins glycation on the formation of N ε-carboxymethyllysine and N ε-carboxyethyllysine. Food Chem 2021; 353:129487. [PMID: 33725542 DOI: 10.1016/j.foodchem.2021.129487] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 01/31/2021] [Accepted: 02/24/2021] [Indexed: 10/22/2022]
Abstract
During meat processing, two typical advanced glycation end products (AGEs), Nε-carboxymethyllysine (CML) and Nε-carboxyethyllysine (CEL), are generated by free radical induction. However, the impact of peroxyl radicals on myofibrillar proteins (MPs) glycosylation and CML and CEL formation is scarcely reported. In this study, two peroxyl radicals called ROO· and LOO· derived from AAPH (2,2'-azobis (2-methylpropionamidine) dihydrochloride) and linoleic acid were exposed prior to the Maillard reaction (glucosamine incubation at 37 °C for 24 h). Levels of AGEs (CML/CEL), protein oxidation (sulfhydryl/carbonyl), free amino group, surface hydrophobicity, zeta potential, particle size, intrinsic fluorescence intensity and secondary structure were determined. Together with Pearson's correlation, the assumption that free radicals promote MPs oxidation and glycation, alter the aggregation behavior and structure modification, leading to AGEs promotion has been built. In addition, the effect of dose-dependency of peroxyl radical on AGEs has also been established with different effects of peroxyl radical induction.
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Affiliation(s)
- Zongshuai Zhu
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Jing Yang
- Nanjing Huangjiaoshou Food Science and Technology Co., Ltd., National R&D, Center for Poultry Processing Technology, Nanjing, Jiangsu 211200, PR China; Institution of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210095, PR China
| | - Xinghu Zhou
- Nanjing Huangjiaoshou Food Science and Technology Co., Ltd., National R&D, Center for Poultry Processing Technology, Nanjing, Jiangsu 211200, PR China
| | - Iftikhar Ali Khan
- Institution of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210095, PR China
| | - Anthony Pius Bassey
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Ming Huang
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China; Nanjing Huangjiaoshou Food Science and Technology Co., Ltd., National R&D, Center for Poultry Processing Technology, Nanjing, Jiangsu 211200, PR China.
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