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Vijayan P, Song Z, Toy JYH, Yu LL, Huang D. Effect of transglutaminase on gelation and functional proteins of mung bean protein isolate. Food Chem 2024; 454:139590. [PMID: 38823202 DOI: 10.1016/j.foodchem.2024.139590] [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: 09/02/2023] [Revised: 04/22/2024] [Accepted: 05/06/2024] [Indexed: 06/03/2024]
Abstract
This study aimed to improve mung bean protein's gelation qualities via microbial transglutaminase (mTGase) cross-linking. The mTGase treatment significantly improved gel hardness and storage modulus (G') at higher enzyme levels (2 IU/g), peaking hardness at 3 h. The scanning electron microscopy imaging demonstrated more cross-linked structures at 2 IU/g, evolving into a dense network by 3 h. The water-holding capacity for mTGase-treated samples (2 IU/g, 3 h, 55 °C) tripled to 3.77 ± 0.06 g/g versus control (1.24 ± 0.02 g/g), alongside a 15 % decrease in zeta potential (-30.84 ± 0.901 mV versus control's -26.63 ± 0.497 mV) and an increase in emulsifying activity index to 4.519 ± 0.004 m2/g from 3.79 ± 0.01 m2/g (control). The confocal images showed a more uniform lipid droplet distribution in mTGase-treated samples, suggesting enhanced emulsifying activity. Thus, mTGase treatment significantly improved gel strength and emulsifying properties, making it ideal for plant-based seafood products.
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Affiliation(s)
- Poornima Vijayan
- Department of Food Science & Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore
| | - Zhixuan Song
- Department of Food Science & Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore
| | - Joanne Yi Hui Toy
- Department of Food Science & Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore
| | - Liangli Lucy Yu
- Department of Food Science and Nutrition, University of Maryland, College Park, MD 20742 USA
| | - Dejian Huang
- Department of Food Science & Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore; National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
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Kim W, Yiu CCY, Wang Y, Zhou W, Selomulya C. Toward Diverse Plant Proteins for Food Innovation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2408150. [PMID: 39119828 DOI: 10.1002/advs.202408150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2024] [Indexed: 08/10/2024]
Abstract
This review highlights the development of plant proteins from a wide variety of sources, as most of the research and development efforts to date have been limited to a few sources including soy, chickpea, wheat, and pea. The native structure of plant proteins during production and their impact on food colloids including emulsions, foams, and gels are considered in relation to their fundamental properties, while highlighting the recent developments in the production and processing technologies with regard to their impacts on the molecular properties and aggregation of the proteins. The ability to quantify structural, morphological, and rheological properties can provide a better understanding of the roles of plant proteins in food systems. The applications of plant proteins as dairy and meat alternatives are discussed from the perspective of food structure formation. Future directions on the processing of plant proteins and potential applications are outlined to encourage the generation of more diverse plant-based products.
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Affiliation(s)
- Woojeong Kim
- School of Chemical Engineering, UNSW, Sydney, NSW, 2052, Australia
| | | | - Yong Wang
- School of Chemical Engineering, UNSW, Sydney, NSW, 2052, Australia
| | - Weibiao Zhou
- Department of Food Science and Technology, National University of Singapore, Singapore, 117542, Singapore
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3
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Han C, Ren X, Shen X, Yang X, Li L. Improvement of physicochemical properties and quercetin delivery ability of fermentation-induced soy protein isolate emulsion gel processed by ultrasound. ULTRASONICS SONOCHEMISTRY 2024; 107:106902. [PMID: 38797128 PMCID: PMC11139769 DOI: 10.1016/j.ultsonch.2024.106902] [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: 03/18/2024] [Revised: 04/29/2024] [Accepted: 05/07/2024] [Indexed: 05/29/2024]
Abstract
This study aimed to investigate the effects of ultrasonic treatment at different powers on the physicochemical properties, microstructure and quercetin delivery capacity of fermentation-induced soy protein isolate emulsion gel (FSEG). The FSEG was prepared by subjecting soy protein isolate (SPI) emulsion to ultrasonic treatment at various powers (0, 100, 200, 300, and 400 W), followed by lactic acid bacteria fermentation. Compared with the control group (0 W), the FSEG treated with ultrasound had higher hardness, water holding capacity (WHC) and rheological parameters. Particularly, at an ultrasonic power of 300 W, the FSEG had the highest hardness (101.69 ± 4.67 g) and WHC (75.20 ± 1.07%) (p < 0.05). Analysis of frequency sweep and strain scanning revealed that the storage modulus (G') and yield strains of FSEG increased after 300 W ultrasonic treatment. Additionally, the recovery rate after creep recovery test significantly increased from 18.70 ± 0.49% (0 W) to 58.05 ± 0.54% (300 W) (p < 0.05). Ultrasound treatment also resulted in an increased β-sheet content and the formation of a more compact micro-network structure. This led to a more uniform distribution of oil droplets and reduced mobility of water within the gel. Moreover, ultrasonic treatment significantly enhanced the encapsulation efficiency of quercetin in FSEG from 81.25 ± 0.62 % (0 W) to 90.04 ± 1.54% (300 W). The bioaccessibility of quercetin also increased significantly from 28.90 ± 0.40% (0 W) to 42.58 ± 1.60% (300 W) (p < 0.05). This study enriches the induction method of soy protein emulsion gels and provides some references for the preparation of fermented emulsion gels loaded with active substances.
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Affiliation(s)
- Chunpeng Han
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xinyu Ren
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xin Shen
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xiaoyu Yang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China.
| | - Liang Li
- College of Food Science, Northeast Agricultural University, Harbin 150030, China.
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Wang Z, Yu Z, Ren S, Liu J, Xu J, Guo Z, Wang Z. Investigating Texture and Freeze-Thaw Stability of Cold-Set Gel Prepared by Soy Protein Isolate and Carrageenan Compounding. Gels 2024; 10:204. [PMID: 38534623 DOI: 10.3390/gels10030204] [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: 02/20/2024] [Revised: 03/09/2024] [Accepted: 03/15/2024] [Indexed: 03/28/2024] Open
Abstract
In this study, the purpose was to investigate the effects with different concentrations of carrageenan (CG, 0-0.30%) on the gel properties and freeze-thaw stability of soy protein isolate (SPI, 8%) cold-set gels. LF-NMR, MRI, and rheology revealed that CG promoted the formation of SPI-CG cold-set gel dense three-dimensional network structures and increased gel network cross-linking sites. As visually demonstrated by microstructure observations, CG contributed to the formation of stable SPI-CG cold-set gels with uniform and compact network structures. The dense gel network formation was caused when the proportion of disulfide bonds in the intermolecular interaction of SPI-CG cold-set gels increased, and the particle size and zeta potential of SPI-CG aggregates increased. SG20 (0.20% CG) had the densest gel network in all samples. It effectively hindered the migration and flow of water, which decreased the damage of freezing to the gel network. Therefore, SG20 exhibited excellent gel strength, water holding capacity, freeze-thaw stability, and steaming stability. This was beneficial for the gel having a good quality after freeze-thaw, which provided a valuable reference for the development of freeze-thaw-resistant SPI cold-set gel products.
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Affiliation(s)
- Zhuying Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhenhai Yu
- Heilongjiang Province Green Food Science Institute, Harbin 150028, China
| | - Shuanghe Ren
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Jun Liu
- Kedong Yuwang Co., Ltd., Qiqihaer 161000, China
| | - Jing Xu
- College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Zengwang Guo
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhongjiang Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
- National Grain Industry (High-Value Processing of Edible Oil Protein) Technology Innovation Center, Harbin 150030, China
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Ren W, Liang H, Liu S, Li Y, Chen Y, Li B, Li J. Formulations and assessments of structure, physical properties, and sensory attributes of soy yogurts: Effect of carboxymethyl cellulose content and degree of substitution. Int J Biol Macromol 2024; 257:128661. [PMID: 38065460 DOI: 10.1016/j.ijbiomac.2023.128661] [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: 09/14/2023] [Revised: 11/28/2023] [Accepted: 12/05/2023] [Indexed: 01/27/2024]
Abstract
Soy yogurts present challenges, including absence of tender and slipperiness mouthfeel, and poor stability. This study aimed to investigate the impacts of carboxymethyl cellulose (CMC) with degrees of substitution of 0.7 (CMC0.7) and 1.2 (CMC1.2) at concentrations ranging from 0 % to 1.1 % on the stability, microstructure, rheology, tribology, and mouthfeel of soy yogurts. As the CMC concentration increased from 0 % to 0.3 %, soy yogurts displayed a coarser microstructure, decreased stability, and increased gel strength. As the concentration of CMC further increased from 0.5 % to 1.1 %, soy yogurts exhibited trends of a smoother microstructure, increased stability, and softer gel strength. Notably, soy yogurts with CMC0.7 demonstrated a superior water holding capacity (WHC) than soy yogurts with CMC1.2. Tribological measurements indicated that soy yogurts with CMC0.7 at a 0.7 % concentration had the lowest coefficient of friction (COF) value among most sliding speeds, showing a 23 % reduction compared to soy yogurts without CMC at a sliding speed of 10 mm/s. Moreover, sensory evaluation showed that soy yogurts with CMC0.7 at a 0.7 % concentration had the highest total score in mouthfeel evaluation. Therefore, the addition of CMC0.7 within the concentration range of 0.5 % to 1.1 % may produce stable and delicate yogurts.
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Affiliation(s)
- Weiwen Ren
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Hongshan Liang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Shilin Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yan Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yijie Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Bin Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Shenzhen 518000, China; Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
| | - Jing Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Shenzhen 518000, China; Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China.
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6
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Liang P, Chen S, Fang X, Wu J. Recent advance in modification strategies and applications of soy protein gel properties. Compr Rev Food Sci Food Saf 2024; 23:e13276. [PMID: 38284605 DOI: 10.1111/1541-4337.13276] [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: 08/01/2023] [Revised: 11/07/2023] [Accepted: 11/08/2023] [Indexed: 01/30/2024]
Abstract
Soy protein gel can be developed into a variety of products, ranging from traditional food (e.g., tofu) to newly developed food (e.g., soy yogurt and meat analog). So far, efforts are still needed to be made on modifying the gel properties of soy protein for improving its sensory properties as animal protein-based food substitutes. Furthermore, there is always a need to regulate its gel properties for designing novel and tailored products of soy protein gels due to the fast-growing plant protein-based product market. This review gave an emphasis on the latest modification strategies and applications of gel properties of soy protein. The modifying methods of soy protein gel properties were reviewed from an aspect of composition or processing. Compositional modification included changing protein composition and gelling conditions and using additives, whereas processing strategies can be achieved through physical, chemical, and enzymatic treatments. Several compositional modification and processing strategies have been both proven to alter the gel properties of soy protein effectively. So far, soy protein gel has been applied in the field of food and biomedicine. In the future, more mechanistic studies on the modification methods are still needed to facilitate the full application of soy protein gel.
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Affiliation(s)
- Peijun Liang
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Simin Chen
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Xiang Fang
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Jianfeng Wu
- College of Food Science, South China Agricultural University, Guangzhou, China
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7
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Li H, Zhang Y, Liu T, Zhang L, Li M, Li H, Li D, Wang X, Yu J. Transglutaminase, glucono-δ-lactone, and citric acid-induced whey protein isolation-milk fat emulsion gel embedding lutein and its application in processed cheese. J Dairy Sci 2023; 106:6635-6645. [PMID: 37210368 DOI: 10.3168/jds.2022-23097] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 04/04/2023] [Indexed: 05/22/2023]
Abstract
In this study, transglutaminase (TG), glucono-δ-lactone (GDL), and citric acid (CA) were used to induce the formation of whey protein isolate (WPI)-milk fat emulsion gels to embed lutein, and the emulsion gels induced in different ways were used for the preparation of processed cheese. The protective effect of emulsion gels induced in different ways on lutein was investigated, and the stability of lutein in emulsion gels and processed cheese was analyzed. The results showed that the acidification rate of CA was higher than that of GDL, which was the key step in acid-induced gels, and that the difference in acidification rate led to differences in gel structure. Compared with the 2 acid inducers (GDL and CA), TG exhibited greater potential for forming gel structures with high strength. The TG-induced emulsion gels showed the best physical stability and the highest embedding efficiency for lutein. After heat treatment (85°C), the GDL-induced emulsion gels had higher retention rate of lutein and showed good thermal stability compared with the CA-induced emulsion gels. The processed cheese added with the TG-induced emulsion gel had higher hardness and springiness compared with the processed cheese added with the other 2 kinds of emulsion gels, whereas the processed cheese added with the CA-induced emulsion gel had a lower density of network structure, showing porosity and a larger aggregated structure, but the highest bioavailability of lutein. These results provide valuable information for the formation of cold-set emulsion gel and provide the possibility for the application of emulsion gel embedding active substances in processed cheese.
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Affiliation(s)
- Hongjuan Li
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin Economic-Technological Development Area, Tianjin, 300457, China
| | - Yumeng Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin Economic-Technological Development Area, Tianjin, 300457, China
| | - Tingting Liu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin Economic-Technological Development Area, Tianjin, 300457, China
| | - Leilei Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin Economic-Technological Development Area, Tianjin, 300457, China
| | - Mengfan Li
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin Economic-Technological Development Area, Tianjin, 300457, China
| | - Hongbo Li
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin Economic-Technological Development Area, Tianjin, 300457, China
| | - Dan Li
- Miao Ke Landuo (Tianjin) Food Technology Co. Ltd., Tianjin Economic-Technological Development Area, Tianjin, 300462, China
| | - Xiaopeng Wang
- Henan Huahuaniu Dairy Co. Ltd., Zhengzhou, 463514, China
| | - Jinghua Yu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin Economic-Technological Development Area, Tianjin, 300457, China.
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Lei D, Qin L, Wang M, Li H, Lei Z, Dong N, Liu J. Insights into the Acid-Induced Gelation of Original Pectin from Potato Cell Walls by Gluconic Acid- δ-Lactone. Foods 2023; 12:3427. [PMID: 37761136 PMCID: PMC10529492 DOI: 10.3390/foods12183427] [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: 08/16/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
The acid-induced gelation of pectin in potato cell walls has been gradually recognized to be related to the improvement in the cell wall integrity after heat processing. The aim of this study was to characterize the acid-induced gelation of original pectin from a potato cell wall (OPP). Rheological analyses showed a typical solution-sol-gel transition process of OPP with different additions of gluconic acid-δ-lactone (GDL). The gelation time (Gt) of OPP was significantly shortened from 7424 s to 2286 s. The complex viscosity (η*) of OPP gradually increased after 4000 s when the pH was lower than 3.13 and increased from 0.15 to a range of 0.20~6.3 Pa·s at 9000 s. The increase in shear rate caused a decrease in η, indicating that OPP belongs to a typical non-Newtonian fluid. Furthermore, a decrease in ζ-potential (from -21.5 mV to -11.3 mV) and an increase in particle size distribution (from a nano to micro scale) was observed in OPP after gelation, as well as a more complex (fractal dimension increased from 1.78 to 1.86) and compact (cores observed by cryo-SEM became smaller and denser) structure. The crystallinity of OPP also increased from 8.61% to 26.44%~38.11% with the addition of GDL. The above results call for an investigation of the role of acid-induced OPP gelation on potato cell walls after heat processing.
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Affiliation(s)
- Dandan Lei
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China;
| | - Likang Qin
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China;
| | - Mei Wang
- Institute of Food Processing Technology, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China; (M.W.); (J.L.)
| | - Haoxin Li
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550025, China;
| | - Zunguo Lei
- Institute of Food Processing Technology, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China; (M.W.); (J.L.)
| | - Nan Dong
- Guizhou Key Laboratory of Agricultural Biotechnology, Guiyang 550006, China;
| | - Jia Liu
- Institute of Food Processing Technology, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China; (M.W.); (J.L.)
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Liu L, Huang Y, Zhang X, Zeng J, Zou J, Zhang L, Gong P. Texture analysis and physicochemical characteristics of fermented soymilk gel by different lactic acid bacteria. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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Li Z, Li T, Zhao M, Cui B, Hemar Y. Rheological and microstructural characterisation of lotus seed milks and their glucono-δ-lactone induced acid-set milk gels: 1. Effect of protein content. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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Poulsen VK, Moghadam EG, Kračun SK, Svendsen BA, Nielsen WM, Oregaard G, Krarup A. Versatile Lactococcus lactis strains improve texture in both fermented milk and soybean matrices. FEMS Microbiol Lett 2022; 369:6862093. [PMID: 36455587 PMCID: PMC9772817 DOI: 10.1093/femsle/fnac117] [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: 08/15/2022] [Revised: 11/10/2022] [Accepted: 11/30/2022] [Indexed: 12/04/2022] Open
Abstract
Lactic acid bacteria (LAB) have long been used to extend the shelf life and improve the taste and texture of fermented milk. In this study, we investigated the texturing potential of LAB in plant-based fermentation by high-throughput screening of 1232 Lactococcus lactis strains for texture in milk and liquid soybean matrices. We found that most strains with texturing abilities in fermented milk were also capable of enhancing the texture in fermented soybean, despite the large differences in composition of the two matrices. Exocellular polysaccharide production is believed to contribute positively to fermented milk and plant-base texture. It appeared as if it was the properties of the polysaccharides rather than their protein interaction partners that were responsible for the enhanced texture in both matrices. We mined whole genome sequences of texturing strains for polysaccharide biosynthesis (eps) gene clusters. The comparative genomics approach revealed 10 texturing strains with novel eps gene clusters. Currently, the relationship between the novel genes and their functionality in milk and plant matrices is unknown.
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Affiliation(s)
- Vera Kuzina Poulsen
- Corresponding author: Discovery R&D, Chr. Hansen A/S, 10–12 Bøge Allé, DK-2970 Hørsholm, Denmark. Phone: +45 45747474; Fax: +45 45748888; E-mail:
| | | | | | | | | | - Gunnar Oregaard
- Discovery R&D, Chr. Hansen A/S, 10–12 Bøge Allé, DK-2970 Hørsholm, Denmark
| | - Anders Krarup
- Discovery R&D, Chr. Hansen A/S, 10–12 Bøge Allé, DK-2970 Hørsholm, Denmark
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Wang Y, Fu Y, Azarpazhooh E, Li W, Liu Q, Rui X. Assessment of In Vitro Digestive Behavior of Lactic-Acid-Bacteria Fermented Soy Proteins: A Study Comparing Colloidal Solutions and Curds. Molecules 2022; 27:7652. [PMID: 36364477 PMCID: PMC9654442 DOI: 10.3390/molecules27217652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/29/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
This study investigated the effect of lactic-acid-bacteria fermentation on the microstructure and gastrointestinal digestibility of soy proteins using a digestomics approach. Fermented soy protein isolates (FSPIs) under varied fermentation-terminal pH demonstrated a colloidal solution (FSPI-7.0/6.0) or yogurt-like curd (FSPI-5.0/4.0) state. Cryo-electron microscopy figures demonstrated the loosely stacked layer of FSPI-7.0/6.0 samples, whereas a denser gel network was observed for FSPI-5.0/4.0 samples. Molecular interactions shifted from dominant ionic bonds to hydrophobic forces and disulfide bonds. The gastric/intestinal digestion demonstrated that the curd samples afforded a significantly low particle size and high-soluble protein and peptide contents in the medium and late digestive phases. A peptidomics study showed that the FSPI-6.0 digestate at early intestinal digestion had a high peptidome abundance, whereas FSPI curd digestates (FSPI-5.0/4.0) elicited a postponed but more extensive promotion during medium and late digestion. Glycinin G2/G4 and β-conglycinin α/α' subunits were the major subunits promoted by FSPI-curds. The spatial structures of glycinin G2 and β-conglycinin α subunits demonstrated variations located in seven regions. Glycinin G2 region 6 (A349-K356) and β-conglycinin α subunit region 7 (E556-E575), which were located at the interior of the 3D structure, were the key regions contributing to discrepancies at the late stage.
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Affiliation(s)
- Yaqiong Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yumeng Fu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Elham Azarpazhooh
- Department of Agricultural Engineering Institute, Khorasan Razavi Agricultural and Natural Resources Research and Education Center, AREEO, Mashhad 1696700, Iran
| | - Wei Li
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Qi Liu
- Department of Information Engineering, Nanjing Institute of Mechatronic Technology, Nanjing 211306, China
| | - Xin Rui
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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Wang Y, Sun W, Zhang Y, Li W, Zhang Q, Rui X. Assessment of dynamic digestion fate of soy protein gel induced by lactic acid bacteria: A protein digestomics research. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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14
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Hui T, Tang T, Gu X, Yuan Z, Xing G. Comparison on Protein Bioaccessibility of Soymilk Gels Induced by Glucono-δ-Lactone and Lactic Acid Bacteria. Molecules 2022; 27:molecules27196202. [PMID: 36234732 PMCID: PMC9571249 DOI: 10.3390/molecules27196202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/14/2022] [Accepted: 09/19/2022] [Indexed: 12/01/2022] Open
Abstract
In this study, the protein bioaccessibility of soymilk gels produced by the addition of glu-cono-δ-lactone (GDL) and fermentation with lactic acid bacteria (LAB) was examined using an in vitro gastrointestinal simulated digestion model. The in vitro protein digestibility, soluble protein content, free amino acids contents, degree of hydrolysis, electrophoretic patterns, and peptide content were measured. The results suggested that acid-induced soymilk gel generated by GDL (SG) showed considerably reduced in vitro protein digestibility of 75.33 ± 1.00% compared to the soymilk gel induced by LAB (SL) of 80.57 ± 1.53% (p < 0.05). During the gastric digestion stage, dramatically higher (p < 0.05) soluble protein contents were observed in the SG (4.79−5.05 mg/mL) than that of SL (4.31−4.35 mg/mL). However, during the later intestinal digestion phase, the results were the opposite. At the end of the gastrointestinal digestion phase, the content of small peptides was not significantly different (p > 0.05) between the SL (2.15 ± 0.03 mg/mL) and SG (2.17 ± 0.01 mg/mL), but SL showed higher content of free amino acids (20.637 g/L) than that of SG (19.851 g/L). In general, soymilk gel induced by LAB had a higher protein bioaccessibility than the soymilk gel coagulated by GDL.
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Affiliation(s)
- Tianran Hui
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
- Department of Biological and Environmental Sciences, Troy University, Troy, AL 36082, USA
| | - Ting Tang
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Xuan Gu
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Zhen Yuan
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Guangliang Xing
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
- Correspondence:
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15
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Influence of Chitosan and Glucono-δ-Lactone on the Gel Properties, Microstructural and Textural Modification of Pea-Based Tofu-Type Product. Processes (Basel) 2022. [DOI: 10.3390/pr10081639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
This study investigated the effects of the addition of chitosan (0–1.0%) or glucono-δ-lactone (GDL) (0–60 mM) on the gel properties, microstructure, and texture of pea-based tofu-type product. Following the addition of 0.5% chitosan or 20 mM GDL, we observed a significant decrease in the hardness and cohesiveness of the tofu, resulting in a slightly discontinuous network structure with pores smaller than those in samples without chitosan or GDL. SDS-PAGE analysis revealed the induced aggregation of pea legumin (11S) and vicilin (7S) subunits (30, 34, and 50 kDa), legumin α subunit (40 kDa), and legumin β subunit (20 kDa) by chitosan or GDL. It appears that chitosan and GDL could potentially be used as food additives for the development of texture-modified pea-based tofu-type products.
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16
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Effect of pH and protein-polysaccharide ratio on the intermolecular interactions between amaranth proteins and xanthan gum to produce electrostatic hydrogels. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107648] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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17
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Zou PR, Hu F, Ni ZJ, Zhang F, Thakur K, Zhang JG, Wei ZJ. Effects of phosphorylation pretreatment and subsequent transglutaminase cross-linking on physicochemical, structural, and gel properties of wheat gluten. Food Chem 2022; 392:133296. [PMID: 35636191 DOI: 10.1016/j.foodchem.2022.133296] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/14/2022] [Accepted: 05/21/2022] [Indexed: 01/10/2023]
Abstract
The presence of a large number of hydrophobic groups and non-polar amino acids in the wheat gluten (WG) is responsible for its poor water solubility, greatly limiting its industrial applications. Our results showed that the solubility and zeta potential of WG were significantly (P < 0.05) improved with the increasing concentration of sodium tripolyphosphate (STP), while the average particle size of WG was decreased. After WG was incubated with TGase, phosphorylation pretreatment significantly increased apparent viscosity of WG dispersant solution, suggesting that phosphorylation treatment promoted the generation of cross-linked polymers. In addition, phosphorylation pretreatment enhanced hydrophobic interactions and disulfide bond formation between TGase-induced WG gels, thus leading to a more homogeneous and dense three-dimensional network structure of gel, which was confirmed by SEM micrographs. To summarize, STP can be used as an effective additive for the modification of WG with an improved degree of TGase-mediated cross-linking for better rheological and gel properties.
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Affiliation(s)
- Peng-Ren Zou
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Fei Hu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
| | - Zhi-Jing Ni
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China
| | - Fan Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China.
| | - Kiran Thakur
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
| | - Jian-Guo Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
| | - Zhao-Jun Wei
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; School of Biological Science and Engineering, Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan 750021, China.
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18
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Liu J, Jiang H, Zhang M, Gong P, Yang M, Zhang T, Liu X. Ions-regulated aggregation kinetics for egg white protein: A promising formulation with controlled gelation and rheological properties. Int J Biol Macromol 2022; 200:263-272. [PMID: 35007631 DOI: 10.1016/j.ijbiomac.2021.12.185] [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] [Received: 11/12/2021] [Revised: 12/19/2021] [Accepted: 12/29/2021] [Indexed: 12/22/2022]
Abstract
This study aims to evaluate the structure of ions-regulated gelation of egg white protein (EWP) via aggregation kinetics model, which was built by monitoring turbidity. Results showed that compared with NaCl and KCl, the addition of Na2SO4 increased free sulfhydryl content, surface hydrophobicity and particle size of EWP significantly, while weakened the order of secondary structure. Hence, strengthened gel network structure was observed with higher porosity, which improved the texture profiles and rheological properties of EWP gels. Based on these phenomena above, the relationship between aggregation behavior and gelling properties with ions was further investigated by aggregation kinetics model and principal component analysis. Because of the enhancement of protein interactions, the aggregation growth rate with Na2SO4 was much faster than the samples with NaCl, which reflected over-aggregation due to the accelerated nucleation process and resulted in firmed gel network structure.
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Affiliation(s)
- Jingbo Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Hongyu Jiang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Min Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Ping Gong
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Meng Yang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Ting Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Xuanting Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China.
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19
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Chen K, Liu M, Wang F, Hu Y, Liu P, Li C, Du Q, Yu Y, Xiao X, Feng Q. Highly Transparent, Self-Healing, and Self-Adhesive Double Network Hydrogel for Wearable Sensors. Front Bioeng Biotechnol 2022; 10:846401. [PMID: 35198546 PMCID: PMC8859421 DOI: 10.3389/fbioe.2022.846401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 01/17/2022] [Indexed: 12/21/2022] Open
Abstract
Hydrogel-based flexible electronic devices are essential in future healthcare and biomedical applications, such as human motion monitoring, advanced diagnostics, physiotherapy, etc. As a satisfactory flexible electronic material, the hydrogel should be conductive, ductile, self-healing, and adhesive. Herein, we demonstrated a unique design of mechanically resilient and conductive hydrogel with double network structure. The Ca2+ crosslinked alginate as the first dense network and the ionic pair crosslinked polyzwitterion as the second loose network. With the synthetic effect of these two networks, this hydrogel showed excellent mechanical properties, such as superior stretchability (1,375%) and high toughness (0.57 MJ/m3). At the same time, the abundant ionic groups of the polyzwitterion network endowed our hydrogel with excellent conductivity (0.25 S/m). Moreover, due to the dynamic property of these two networks, our hydrogel also performed good self-healing performance. Besides, our experimental results indicated that this hydrogel also had high optical transmittance (92.2%) and adhesive characteristics. Based on these outstanding properties, we further explored the utilization of this hydrogel as a flexible wearable strain sensor. The data strongly proved its enduring accuracy and sensitivity to detect human motions, including large joint flexion (such as finger, elbow, and knee), foot planter pressure measurement, and local muscle movement (such as eyebrow and mouth). Therefore, we believed that this hydrogel had great potential applications in wearable health monitoring, intelligent robot, human-machine interface, and other related fields.
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Affiliation(s)
- Kai Chen
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
- School of Resources and Chemical Engineering, Sanming University, Sanming, China
| | - Mingxiang Liu
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Feng Wang
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Yunping Hu
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Pei Liu
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Cong Li
- Department of Biomaterial, College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
| | - Qianqian Du
- Department of Biomaterial, College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
| | - Yongsheng Yu
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, China
- *Correspondence: Qian Feng, ; Xiufeng Xiao, ; Yongsheng Yu,
| | - Xiufeng Xiao
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
- *Correspondence: Qian Feng, ; Xiufeng Xiao, ; Yongsheng Yu,
| | - Qian Feng
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
- Key Laboratory of Biorheological Science and Technology, Ministry of Education College of Bioengineering, Chongqing University, Chongqing, China
- *Correspondence: Qian Feng, ; Xiufeng Xiao, ; Yongsheng Yu,
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20
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Yang X, Ren Y, Li L. The relationship between charge intensity and bioactivities/processing characteristics of exopolysaccharides from lactic acid bacteria. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112345] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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21
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Ren Y, Li L. Effects of extracellular proteases and its inhibitors on the gel characteristics of soy protein induced by lactic acid bacteria. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yiming Ren
- College of Food Science Northeast Agricultural University Harbin 150030 China
| | - Liang Li
- College of Food Science Northeast Agricultural University Harbin 150030 China
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