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Li K, Wang LM, Gao HJ, Du MT, Bai YH. Use of basic amino acids to improve gel properties of PSE-like chicken meat proteins isolated via ultrasound-assisted alkaline extraction. J Food Sci 2023; 88:5136-5148. [PMID: 37961003 DOI: 10.1111/1750-3841.16800] [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: 01/30/2023] [Revised: 09/16/2023] [Accepted: 09/29/2023] [Indexed: 11/15/2023]
Abstract
To improve the gel quality of pale, soft, and exudative (PSE)-like chicken protein isolate (PPI) obtained via ultrasound-assisted alkaline extraction (UAE), l-lysine (l-Lys), l-arginine (l-Arg), or l-histidine (l-His) were used and the effects on the thermal gelling characteristics of PPI were studied. Compared with the nonbasic amino acid addition group, the addition of l-His/l-Arg/l-Lys significantly increased the solubility and absolute zeta potential of PPI, whereas reduced the particle size and turbidity (p < 0.05). They enhanced the gel strength and textural properties of PPI (p < 0.05) and reduced the cooking loss of PPI in the following order: l-Lys > l-Arg > l-His. The solubility, gel strength, and hardness of PPI with l-Lys were increased by 18.6%, 44.6%, and 57.6%, respectively, and cooking loss was decreased by 18.1%. Low-field nuclear magnetic resonance and magnetic resonance imaging revealed that basic amino acids addition decreased the water mobility in PPI gels with increasing immobile water content. Scanning electron microscopy revealed that the addition of basic amino acids promoted the formation of a more uniform and tight network microstructure in PPI gels. The α-helix content was decreased, whereas the β-sheet content was increased in PPI gels after basic amino acid addition. Therefore, addition of basic amino acids, especially l-Lys, enhances the gel properties of PPI. PRACTICAL APPLICATION: This study revealed that adding basic amino acids effectively improved the gel properties of PPI obtained via UAE method, with l-Lys exerting the best improvement effect. Our findings highlight the application value of PSE-like meat by the improvement of gel characteristics of PPI, providing a theoretical reference for the processing and utilization of PPI.
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Affiliation(s)
- Ke Li
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, P. R. China
- Food Laboratory of Zhongyuan, Luohe, P. R. China
- Key Laboratory of Cold Chain Food Processing and Safety Control, Ministry of Education, Zhengzhou, P. R. China
| | - Lin-Meng Wang
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, P. R. China
- Food Laboratory of Zhongyuan, Luohe, P. R. China
- Key Laboratory of Cold Chain Food Processing and Safety Control, Ministry of Education, Zhengzhou, P. R. China
| | - Hui-Jian Gao
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, P. R. China
- Food Laboratory of Zhongyuan, Luohe, P. R. China
- Key Laboratory of Cold Chain Food Processing and Safety Control, Ministry of Education, Zhengzhou, P. R. China
| | - Man-Ting Du
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, P. R. China
- Food Laboratory of Zhongyuan, Luohe, P. R. China
- Key Laboratory of Cold Chain Food Processing and Safety Control, Ministry of Education, Zhengzhou, P. R. China
| | - Yan-Hong Bai
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, P. R. China
- Food Laboratory of Zhongyuan, Luohe, P. R. China
- Key Laboratory of Cold Chain Food Processing and Safety Control, Ministry of Education, Zhengzhou, P. R. China
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Gao X, Yang S, You J, Yin T, Xiong S, Liu R. Changes in Gelation Properties of Silver Carp Myosin Treated by Combination of High Intensity Ultrasound and NaCl. Foods 2022; 11:foods11233830. [PMID: 36496636 PMCID: PMC9735971 DOI: 10.3390/foods11233830] [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: 11/04/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
The molecular behavior of myosin in a low-salt environment limited the production of surimi-based products. This study aimed to investigate the effect of the combination of high intensity ultrasound (HIU) and NaCl (0.1, 0.3, 0.5 mol/L) on the physicochemical indexes of myosin. The changes were evaluated by solubility, ultraviolet (UV) spectroscopy, dynamic rheological properties, water holding capacity (WHC), microstructures, etc. For control samples, the gelation properties of myosin strengthened upon NaCl increasing. Combination of HIU and NaCl significantly improved the solubility of myosin, which was due to the conformational changes and the exposure of reactive groups. Meanwhile, the particle size of myosin obviously decreased when observed by atomic force microscope, which in turn promoted the stability of myosin. Furthermore, the improvement in solution behaviors of myosin treated by combination of HIU and NaCl contributed to the gelation properties as well as the formation of compact microstructures, which obtained high WHC and low cooking loss of myosin gels. In conclusion, combination of HIU and NaCl induced the unfolding of myosin with the exposure of reactive groups, consequently facilitating the formation of denser microstructures. Moreover, the biggest degree of improvement in gelation properties was observed at 0.1 mol/L NaCl combined with HIU.
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Affiliation(s)
- Xia Gao
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education , Wuhan 430070, China
- National R&D Branch Center for Conventional Freshwater Fish Processing (Wuhan), Wuhan 430070, China
| | - Shengnan Yang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education , Wuhan 430070, China
- National R&D Branch Center for Conventional Freshwater Fish Processing (Wuhan), Wuhan 430070, China
| | - Juan You
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education , Wuhan 430070, China
- National R&D Branch Center for Conventional Freshwater Fish Processing (Wuhan), Wuhan 430070, China
| | - Tao Yin
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education , Wuhan 430070, China
- National R&D Branch Center for Conventional Freshwater Fish Processing (Wuhan), Wuhan 430070, China
| | - Shanbai Xiong
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education , Wuhan 430070, China
- National R&D Branch Center for Conventional Freshwater Fish Processing (Wuhan), Wuhan 430070, China
| | - Ru Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education , Wuhan 430070, China
- National R&D Branch Center for Conventional Freshwater Fish Processing (Wuhan), Wuhan 430070, China
- Correspondence:
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Oxidative changes in cooled and cooked pale, soft, exudative (PSE) chicken meat. Food Chem 2022; 385:132471. [PMID: 35413659 DOI: 10.1016/j.foodchem.2022.132471] [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: 08/26/2021] [Revised: 01/19/2022] [Accepted: 02/12/2022] [Indexed: 11/23/2022]
Abstract
The mechanisms involved in the development of oxidative changes in pale, soft, exudative (PSE) chicken meat during storage in the dark at 4 °C for 5 days and after cooking at 80 °C for 30 min, light exposure and reheating were explored in this study. The results indicate that myoglobin, lipid and protein oxidation occurred concomitantly during both treatments in PSE chicken meat during storage, and each process seemed to promote the others. Transition metals and metmyoglobin played pivotal roles in the generation of free radicals that triggered lipid and protein oxidation in cooled and cooked PSE, respectively. In contrast, light played a secondary role as an oxidative inducer of these processes. Different pathways triggered the production of compounds from the interactions between oxidative reactions in cooled and cooked PSE chicken meat. The impact of these reactions on the functionality of PSE chicken meat requires further study.
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Zhao Y, Wang P, Xu Y, Zeng X, Xu X. A Study on the Mechanisms of Nanoparticle-Stabilized High Internal Phase Emulsions Constructed by Cross-Linking Egg White Protein Isolate with Different Transglutaminase Concentrations. Foods 2022; 11:foods11121765. [PMID: 35741964 PMCID: PMC9222873 DOI: 10.3390/foods11121765] [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: 04/14/2022] [Revised: 06/03/2022] [Accepted: 06/06/2022] [Indexed: 02/01/2023] Open
Abstract
There is an increasing interest in the development of high internal phase emulsions (HIPE) stabilized by food-grade nanoparticles due to their potential applications in the food industry. In this study, cross-linked egg white protein isolates (cEPIs) are prepared by adding 10 u/g, 20 u/g, and 40 u/g of transglutaminase (TG), and the impacts of interface properties of cEPIs and emulsifying of HIPEs are investigated. Relative to the native EPI, the cEPIs have more irregular and agglomerated morphology, and the turbidity and hydrophobicity are significantly increased. The particle size and zeta potential of cEPIs considerably varied with the addition of TG. In HIPE, the formation, physical properties, and microstructure are characterized by visual observations, the Turbiscan stability index, and CLSM. The results indicated that stable and gel-like HIPEs are formed by cEPIs at oil internal phase (φ) values of 0.75–0.90. Especially for the enzyme additions of 20 u/g, the cEPIs had the best storage stability and the lowest TSI value (2.50) and formed a gel network structure at φ values of 0.9 microscopically. Overall, this study can enrich the theoretical frame of interface properties by enzyme treatment. Besides, it would be of great importance for the research of HIPE stabilized by cEPIs appropriate to be applied in food formulations.
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Affiliation(s)
| | | | | | | | - Xinglian Xu
- Correspondence: ; Tel.: +86-(0)25-8439-5689 or +86-(0)25-8439-5939
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Effects of Tea Polyphenol Palmitate Existing in the Oil Phase on the Stability of Myofibrillar Protein O/W Emulsion. Foods 2022; 11:foods11091326. [PMID: 35564049 PMCID: PMC9104160 DOI: 10.3390/foods11091326] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/23/2022] [Accepted: 04/30/2022] [Indexed: 11/24/2022] Open
Abstract
This study aimed to explore the effect of adding different concentrations (0, 0.01%, 0.03%, and 0.05% (w/w)) of tea polyphenol palmitate (TPP) in the oil phase on the emulsifying properties of 5 and 10 mg/mL myofibrillar protein (MP). Particle size results revealed that the flocculation of droplets increased as TPP concentration increased and that droplets in 5 mg/mL MP emulsions (25−34 μm) were larger than in 10 mg/mL MP emulsions (14−22 μm). The emulsifying activity index of 5 mg/mL MP emulsions decreased with increasing TPP concentration. The micrographs showed that the droplets of MP emulsions exhibited extensive flocculation at TPP concentrations >0.03%. Compared with 5 mg/mL MP emulsions, 10 mg/mL MP emulsions showed better physical stability and reduced flocculation degree, which coincided with lower delta backscattering intensity (ΔBS) and Turbiscan stability index values. The flow properties of emulsions can be successfully depicted by Ostwald−de Waele models (R2 > 0.99). The concentrations of TPP and protein affect the K values of emulsions (p < 0.05). Altogether, increased protein concentration in the continuous phase could improve emulsion stability by increasing viscosity, offsetting the adverse effects of TPP to a certain extent. This study is expected to promote the rational application of TPP in protein emulsion products of high quality and acceptability.
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Wang K, Li Y, Sun J, Qiao C, Ho H, Huang M, Xu X, Pang B, Huang H. Synergistic effect of preheating and different power output high-intensity ultrasound on the physicochemical, structural, and gelling properties of myofibrillar protein from chicken wooden breast. ULTRASONICS SONOCHEMISTRY 2022; 86:106030. [PMID: 35576857 PMCID: PMC9118886 DOI: 10.1016/j.ultsonch.2022.106030] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 04/26/2022] [Accepted: 05/06/2022] [Indexed: 05/02/2023]
Abstract
The effects of preheating to 50 ℃ and the subsequent application of high-intensity ultrasound (HIU, 20 kHz) at 200, 400, 600, and 800 W on the physicochemical, structural, and gelling properties of wooden breast myofibrillar protein (WBMP) were studied. Results suggested that the WBMP structure expanded to the balanced state at 600 W, and rheological properties exhibit that 600 W HIU (P < 0.05) significantly improved the storage modulus (G') of WBMP. Notably, the WBMP gel (600 W) had the best hardness (65.428 ± 0.33 g), springiness (0.582 ± 0.01), and water-holding capacity (86.11 ± 0.83%). Raman spectra and low-field NMR indicated that 600 W HIU increased the β-fold content (37.94 ± 0.04%) and enlarged the immobilized-water proportion (93.87 ± 0.46%). Scanning electron micrographs confirmed that the gel was uniform and dense at 600 W. Therefore, preheating to 50 ℃ followed by HIU (600 W) helped form a superior WBMP gel.
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Affiliation(s)
- Ke Wang
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Yan Li
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Jingxin Sun
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao 266109, China; Shandong Research Center for Meat Food Quality Control, Qingdao Agricultural University, Qingdao 266109, China.
| | - Changming Qiao
- Shandong Zhucheng Waimao Co., Ltd, Zhucheng 262200, China
| | - Harvey Ho
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
| | - Ming Huang
- National Center of Meat Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
| | - Xinglian Xu
- National Center of Meat Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
| | - Bin Pang
- College of Food Science & Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - He Huang
- Shandong New Hope Liuhe Group Co., Ltd. Qingdao 266061, China
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