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Zhai Y, Peng W, Luo W, Wu J, Liu Y, Wang F, Li X, Yu J, Wang S. Component stabilizing mechanism of membrane-separated hydrolysates on frozen surimi. Food Chem 2024; 431:137114. [PMID: 37595381 DOI: 10.1016/j.foodchem.2023.137114] [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: 05/18/2023] [Revised: 08/01/2023] [Accepted: 08/05/2023] [Indexed: 08/20/2023]
Abstract
This study investigated the cryoprotective mechanism of ultrafiltration membrane-separated fractions (>10 kDa, UF-1; 3-10 kDa, UF-2; and <3 kDa, UF-3) derived from silver carp hydrolysates on frozen surimi. The surimi gel incorporating UF-3 exhibited a compact, continuous structure with uniform pores, even after undergoing six freeze-thaw (F-T) cycle, with the minimal reduction in entrapped water (from 95.1 % to 91.1 %) and least increase in free water (from 4.5 % to 6.6 %) as revealed by SEM and LF-NMR analysis. Through molecular docking analysis, three major peptides in UF-3 were identified to form robust interactions with the myosin head pocket, facilitated by hydrogen bonds, electrostatic forces, and hydrophobic interactions. Furthermore, molecular dynamics simulations demonstrated that the three peptides effectively prevented myosin from unfolding and aggregating by tightly binding to basic amino acids (Arg, Lys) and hydrophobic amino acids (Phe, Leu, Ile, Met, and Val) residues in the myosin head pocket, primarily governed by electrostatic energies (-156.95, -321.38, and -267.53 kcal/mol, respectively) and van der Waals energies (-395.05, -347.46, and -319.16 kcal/mol, respectively). Notably, the key action site was identified as Lys599 on myosin. The hydrophilic and hydrophobic hotspot residues of the peptides worked synergistically to stabilize the myosin structure in frozen surimi.
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Affiliation(s)
- Yueying Zhai
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan Province, China; Hunan Provincial Engineering Technology Research Center of Aquatic Food Resources Processing, Changsha 410114, Hunan Province, China
| | - Wanqi Peng
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan Province, China
| | - Wei Luo
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, Fujian Province, China
| | - Jinhong Wu
- Department of Food Science and Engineering, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yongle Liu
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan Province, China; Hunan Provincial Engineering Technology Research Center of Aquatic Food Resources Processing, Changsha 410114, Hunan Province, China
| | - Faxiang Wang
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan Province, China; Hunan Provincial Engineering Technology Research Center of Aquatic Food Resources Processing, Changsha 410114, Hunan Province, China
| | - Xianghong Li
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan Province, China; Hunan Provincial Engineering Technology Research Center of Aquatic Food Resources Processing, Changsha 410114, Hunan Province, China.
| | - Jian Yu
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan Province, China; Hunan Provincial Engineering Technology Research Center of Aquatic Food Resources Processing, Changsha 410114, Hunan Province, China
| | - Shaoyun Wang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, Fujian Province, China.
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Inhibition mechanism of membrane-separated silver carp hydrolysates on ice crystal growth obtained through experiments and molecular dynamics simulation. Food Chem 2023; 414:135695. [PMID: 36809728 DOI: 10.1016/j.foodchem.2023.135695] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 02/04/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023]
Abstract
The membrane-separated silver carp hydrolysates (>10 kD, 3-10 kD and < 3 kD) displayed abilities to mitigate oxidation and denaturation of myofibrillar protein and cryoprotective activities for frozen surimi. However, the mechanism of the membrane-separated fractions on ice crystal growth in the system is still unknown. Therefore, the cryoprotective activities (recrystallization inhibition, RI and thermal hysteresis activity, THA) of the fractions were investigated and the mechanism was explored by molecular dynamics (MD) simulation to predict the probable binding sites and model the possible interactions between the peptides and water/ice. The fractions < 3 kD displayed remarkable RI activity, with significantly higher THA (0.60 ± 0.13 °C) and lower amount of ice nuclei (4.74 ± 0.53%) than that of fractions > 10 kD and 3-10 kD. The results of MD simulation certified that the main peptides in the fractions < 3 kD interacted firmly with water molecules and inhibited growth of ice crystals with mechanism compatible with Kelvin effect. Hydrophilic and hydrophobic amino acid residues in the membrane-separated fractions offered synergistic effects on the inhibition of ice crystals.
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Liu Z, Yang W, Wei H, Deng S, Yu X, Huang T. The mechanisms and applications of cryoprotectants in aquatic products: An overview. Food Chem 2023; 408:135202. [PMID: 36525728 DOI: 10.1016/j.foodchem.2022.135202] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/30/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
Frozen storage technology has been widely used for the preservation of Aquatic products. However, ice crystals formation, lipid oxidation and protein denaturation still easily causes aquatic products deterioration. Cryoprotectants are a series of food additives that could efficiently prolong the shelf life and guarantee the acceptability of frozen aquatic products. This review comprehensively illustrated the mechanism of protein denaturation caused by the ice crystal formation and lipid oxidation. The cryoprotective mechanism of various kinds of antifreeze agents (saccharides, phosphates, antifreeze proteins and peptides) and these cryoprotective structure-activity relationship, application efficiency on the quality of aquatic products were also discussed. Moreover, the advantages and disadvantages of each cryoprotectant are also prospected. Compared with others, antifreeze peptides show higher commercial and application values. While, lots of scientific research works are still required to develop novel antifreeze agent as a versatile ingredient with commercial value, applicable in the aquatic products preservation industry.
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Affiliation(s)
- Zhenlei Liu
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Wenge Yang
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, China; Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang, Ningbo, Zhejiang Province 315211, China
| | - Huamao Wei
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, China.
| | - Shanggui Deng
- College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan, Zhejiang 316000, China
| | - Xunxin Yu
- Zhejiang Tianhe Aquatic Products Co., Ltd., Wenling, Zhejiang 317500, China
| | - Tao Huang
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, China; Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang, Ningbo, Zhejiang Province 315211, China.
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Tang T, Wu N, Tang S, Xiao N, Jiang Y, Tu Y, Xu M. Industrial Application of Protein Hydrolysates in Food. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:1788-1801. [PMID: 36692023 DOI: 10.1021/acs.jafc.2c06957] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Protein hydrolysates, which may be produced by the protein in the middle of the process or added as an ingredient, are part of the food formula. In food, protein hydrolysates are found in many forms, which can regulate the texture and functionality of food, including emulsifying properties, foaming properties, and gelation. Therefore, the relationship between the physicochemical and structural characteristics of protein hydrolysates and their functional characteristics is of significant importance. In recent years, researchers have conducted many studies on the role of protein hydrolysates in food processing. This Review explains the relationship between the structure and function of protein hydrolysates, and their interaction with the main ingredients of food, to provide reference for their development and further research.
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Affiliation(s)
- Tingting Tang
- Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China
| | - Na Wu
- Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China
| | - Shuaishuai Tang
- Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China
| | - Nanhai Xiao
- Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yan Jiang
- Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yonggang Tu
- Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China
| | - Mingsheng Xu
- Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China
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Dang M, Wang R, Jia Y, Du J, Wang P, Xu Y, Li C. The Antifreeze and Cryoprotective Activities of a Novel Antifreeze Peptide from Ctenopharyngodon idella Scales. Foods 2022; 11:foods11131830. [PMID: 35804646 PMCID: PMC9265620 DOI: 10.3390/foods11131830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/13/2022] [Accepted: 06/16/2022] [Indexed: 11/16/2022] Open
Abstract
The purpose of this study is to obtain new antifreeze peptides (AFPs) that are natural, safe, and high activity from Ctenopharyngodon idella scales. The optimal hydrolysis conditions were investigated, and chromatography-based isolation was conducted using thermal hysteresis activity (THA) as an index. Molecular dynamic simulation (MDs) was explored to reveal the antifreeze mechanism of the AFPs. The results showed that the optimal hydrolysis conditions were 4000 U/g papain enzyme for 60 °C at pH 5.0 and substrate concentration (1:10) for 3 h, as unveiled by single-factor experiment results. The AFPs documented a THA of 2.7 °C when the Th was 1.3 °C. Hydrophilic peptide, named GCFSC-AFPs, with a THA of 5.09 °C when the Th was 1.1 °C was obtained after a series isolation of gel filtration, ion exchange, and reversed-phase HPLC chromatography. The AFPs had a molecular weight of 1107.54~1554.72 Da with three main peptides in the amino acid sequence of VGPAGPSGPSGPQ, RGSPGERGESGPAGPSG, and VGPAGPSGPSGPQG, respectively. The survival rate of yeast with GCFSC-AFPs reached 84.4% following one week of exposure at −20 °C. MDs indicated that GCFSC-AFPs interfered with the ice-water interaction and thus inhibited the ice crystallization process. Our data suggested that the GCFSC-AFPs were a novel and potential antifreeze agent in the food industry.
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Affiliation(s)
- Meizhu Dang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430072, China; (M.D.); (R.W.); (Y.J.); (J.D.); (Y.X.)
- School of Energy and Intelligence Engineering, Henan University of Animal Husbandry and Economy, Zhengzhou 450002, China;
| | - Ruifeng Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430072, China; (M.D.); (R.W.); (Y.J.); (J.D.); (Y.X.)
| | - Yangyang Jia
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430072, China; (M.D.); (R.W.); (Y.J.); (J.D.); (Y.X.)
| | - Jing Du
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430072, China; (M.D.); (R.W.); (Y.J.); (J.D.); (Y.X.)
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Ping Wang
- School of Energy and Intelligence Engineering, Henan University of Animal Husbandry and Economy, Zhengzhou 450002, China;
| | - Yawei Xu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430072, China; (M.D.); (R.W.); (Y.J.); (J.D.); (Y.X.)
| | - Chunmei Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430072, China; (M.D.); (R.W.); (Y.J.); (J.D.); (Y.X.)
- Correspondence: ; Tel./Fax: +86-87282966
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Yuan C, Li X, Huang Y, Yang D, Zhang Y, Shi Y, Wu J, Wang S, Zhang L. Cryoprotective effect of low molecular weight collagen peptides on myofibrillar protein stability and gel properties of frozen silver carp surimi. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01362-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Antifreeze Peptides Preparation from Tilapia Skin and Evaluation of Its Cryoprotective Effect on Lacticaseibacillus rhamnosus. Foods 2022; 11:foods11060857. [PMID: 35327279 PMCID: PMC8953377 DOI: 10.3390/foods11060857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 02/04/2023] Open
Abstract
Antifreeze peptides can protect cell membranes and maintain the cell viability of probiotics under cold stress. Given this, antifreeze peptides were prepared from tilapia processing byproducts of tilapia skin by enzymolysis using the response surface methodology (RSM) method. The cryoprotective effects on Lacticaseibacillus rhamnosus ATCC7469 were investigated. Trypsin was selected as the protease for tilapia skin hydrolysis. The optimal hydrolysis conditions consisted of the amount of enzyme (2200 U/g), solid–liquid ratio (1:10, w/v), reaction temperature (49 °C), and reaction time (6.8 h), and the relative survival rate of L. rhamnosus reached 98.32%. Molecular weight (Mw) distribution and peptide sequences of the antifreeze peptides prepared from tilapia skin (APT) under the optimal conditions were analyzed. APT significantly reduced the leakage of extracellular proteins and protected β-galactosidase and lactate dehydrogenase activities of L. rhamnosus. Compared with the saline group, scanning electron microscopy (SEM) observation showed that cells had a more normal, smooth, and entire surface under the protection of APT. These findings indicate that APT can be a new cryoprotectant in preserving probiotics.
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Shen X, Li T, Li X, Wang F, Liu Y, Wu J. Dual cryoprotective and antioxidant effects of silver carp (Hypophthalmichthys molitrix) protein hydrolysates on unwashed surimi stored at conventional and ultra-low frozen temperatures. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112563] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Chen X, Wu J, Cai X, Wang S. Production, structure–function relationships, mechanisms, and applications of antifreeze peptides. Compr Rev Food Sci Food Saf 2020; 20:542-562. [DOI: 10.1111/1541-4337.12655] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/10/2020] [Accepted: 09/21/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Xu Chen
- College of Biological Science and Technology Fuzhou University Fuzhou Fujian China
- College of Chemical Engineering Fuzhou University Fuzhou Fujian China
| | - Jinhong Wu
- Department of Food Science and Engineering School of Agriculture and Biology Shanghai Jiao Tong University Shanghai China
| | - Xixi Cai
- College of Biological Science and Technology Fuzhou University Fuzhou Fujian China
| | - Shaoyun Wang
- College of Biological Science and Technology Fuzhou University Fuzhou Fujian China
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