1
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Incorporation of modified okara-derived insoluble soybean fiber into set-type yogurt: Structural architecture, rheological properties and moisture stability. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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2
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Kuang Y, Zhao S, Liu P, Liu M, Wu K, Liu Y, Deng P, Li C, Jiang F. Schiff base type casein-konjac glucomannan conjugates with improved stability and emulsifying properties via mild covalent cross-linking. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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3
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Zhang J, Xu D, Cao Y. Physical stability, microstructure and interfacial properties of solid-oil-in-water (S/O/W) emulsions stabilized by sodium caseinate/xanthan gum complexes. Food Res Int 2023; 164:112370. [PMID: 36737958 DOI: 10.1016/j.foodres.2022.112370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/07/2022] [Accepted: 12/24/2022] [Indexed: 12/28/2022]
Abstract
Calcium carbonate (CaCO3) has poor suspension stability, which severely limits its application in food processing and products. In this study, sodium caseinate (NaCas) and sodium caseinate (NaCas)-xanthan gum (XG) mixtures were compared for the stable preparation of solid/oil/water (S/O/W) emulsions for the delivery of calcium carbonate (CaCO3) to solve the problem of poor suspension stability. The physical stability, particle size distribution, and microstructure of S/O/W emulsions were investigated to prove the successful construction of the system. The dynamic surface pressure and surface swelling properties of 2.0 wt% NaCas with different concentrations of XG were investigated to clarify the effect of interfacial properties of NaCas-XG mixtures on the emulsion stability of S/O/W emulsions. The results showed that the addition of XG resulted in enhanced physical stability, reduced particle size distribution, and enhanced encapsulation effect of the emulsion, forming a more three-dimensional core-shell structure via dendritic links. XG had a significant effect on the dynamic properties of the NaCas adsorption membrane: NaCas interacted with XG and the diffusion (kdiff) of NaCas to the interface decreased in short adsorption time, thus limiting the protein adsorption effectiveness; the presence of XG reduced the penetration (kP) and rearrangement (kR) rates at the interface during long adsorption times. Meanwhile, the NaCas-XG mixture has a high swelling elasticity. The results of this study can be used to improve the quality of related emulsion products or to prepare delivery systems for bioactive compounds.
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Affiliation(s)
- Jie Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), School of Food and Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Key Laboratory of Flavor Chemistry, Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University, Beijing, China
| | - Duoxia Xu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), School of Food and Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Key Laboratory of Flavor Chemistry, Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University, Beijing, China.
| | - Yanping Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), School of Food and Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Key Laboratory of Flavor Chemistry, Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University, Beijing, China.
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4
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Niu H, Wang W, Dou Z, Chen X, Chen X, Chen H, Fu X. Multiscale combined techniques for evaluating emulsion stability: A critical review. Adv Colloid Interface Sci 2023; 311:102813. [PMID: 36403408 DOI: 10.1016/j.cis.2022.102813] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/09/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022]
Abstract
Emulsions are multiscale and thermodynamically unstable systems which will undergo various unstable processes over time. The behavior of emulsifier molecules at the oil-water interface and the properties of the interfacial film are very important to the stability of the emulsion. In this paper, we mainly discussed the instability phenomena and mechanisms of emulsions, the effects of interfacial films on the long-term stability of emulsions and summarized a set of systematic multiscale combined methods for studying emulsion stability, including droplet size and distribution, zeta-potential, the continuous phase viscosity, adsorption mass and thickness of the interfacial film, interfacial dilatational rheology, interfacial shear rheology, particle tracking microrheology, visualization technologies of the interfacial film, molecular dynamics simulation and the quantitative evaluation methods of emulsion stability. This review provides the latest research progress and a set of systematic multiscale combined techniques and methods for researchers who are committed to the study of oil-water interface and emulsion stability. In addition, this review has important guiding significances for designing and customizing interfacial films with different properties, so as to obtain emulsion-based delivery systems with varying stability, oil digestibility and bioactive substance utilization.
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Affiliation(s)
- Hui Niu
- Hainan University-HSF/LWL Collaborative Innovation Laboratory, School of Food Science and Engineering, Hainan University, 58 People Road, Haikou 570228, PR China; SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, PR China
| | - Wenduo Wang
- School of Food Science and Technology, Guangdong Ocean University, Yangjiang 529500, Guangdong, PR China
| | - Zuman Dou
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, PR China
| | - Xianwei Chen
- SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, PR China
| | - Xianxiang Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Haiming Chen
- Hainan University-HSF/LWL Collaborative Innovation Laboratory, School of Food Science and Engineering, Hainan University, 58 People Road, Haikou 570228, PR China; Maritime Academy, Hainan Vocational University of Science and Technology, 18 Qiongshan Road, Haikou 571126, PR China.
| | - Xiong Fu
- SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, PR China; Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, PR China; Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou, PR China.
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5
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Wu Q, Zang M, Zhao B, Wang S, Zhang S, Zhu N, Liu M, Li S, Lv G, Liu B, Zhao Y, Qiao X. Effect of citrus fiber on the phosphate-mediated gel properties of myofibrillar protein and partial replacement of phosphate. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2022.114274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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6
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Liu Y, Huang Y, Wang Y, Zhong J, Li S, Zhu B, Dong X. Application of cod protein-stabilized and casein-stabilized high internal phase emulsions as novel fat substitutes in fish cake. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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7
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Cao M, Liao L, Zhang X, Chen X, Peng S, Zou L, Liang R, Liu W. Electric field-driven fabrication of anisotropic hydrogels from plant proteins: Microstructure, gel performance and formation mechanism. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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8
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Yang J, Duan Y, Geng F, Cheng C, Wang L, Ye J, Zhang H, Peng D, Deng Q. Ultrasonic-assisted pH shift-induced interfacial remodeling for enhancing the emulsifying and foaming properties of perilla protein isolate. ULTRASONICS SONOCHEMISTRY 2022; 89:106108. [PMID: 35933969 PMCID: PMC9364021 DOI: 10.1016/j.ultsonch.2022.106108] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/06/2022] [Accepted: 07/28/2022] [Indexed: 05/07/2023]
Abstract
In order to expand the applications of plant protein in food formulations, enhancement of its functionalities is meaningful. Herein, the effects of ultrasonic (20 KHz, 400 W, 20 min)-assisted pH shift (pH 10 and 12) treatment on the structure, interfacial behaviors, as well as the emulsifying and foaming properties of perilla protein isolate (PPI) were investigated. Results showed that the solubility of PPI treated by ultrasonic-assisted pH shift (named UPPI-10/12) exceeded 90 %, which was at least 2 and 1.4 times that of untreated PPI and ultrasound-based PPI. Meanwhile, UPPI-10/12 possessed higher foamability (increasing by at least 1.2 times) and good emulsifying stability. Ultrasonic-assisted pH shift treatment decomposed large PPI aggregates into tiny particles, evident from the dynamic light scattering (DLS) and atomic force microscopy results. Besides, this approach induced a decrease in α-helix of PPI and an increase in β-sheet, which might result in the exposure of the hydrophobic group on the structural surface of PPI, thus leading to the increase of surface hydrophobicity. The smaller size and higher hydrophobicity endowed UPPI-10/12 faster adsorption rate, tighter interfacial structure, and higher elastic modulus at the air- and oil-water interfaces, evident from the cryo-SEM and interfacial dilatational rheological results. Thus, the emulsifying and foaming properties could evidently enhance. This study demonstrated that ultrasonic-assisted pH shift technique was a simple approach to effectively improve the functional performance of PPI.
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Affiliation(s)
- Jing Yang
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, and Hubei Research Center of Oil and Plant Protein Engineering Technology, Wuhan 430062, Hubei, China; School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuqing Duan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China
| | - Fang Geng
- Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu 610106, Sichuan, China
| | - Chen Cheng
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, and Hubei Research Center of Oil and Plant Protein Engineering Technology, Wuhan 430062, Hubei, China
| | - Lei Wang
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, and Hubei Research Center of Oil and Plant Protein Engineering Technology, Wuhan 430062, Hubei, China
| | - Jieting Ye
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, and Hubei Research Center of Oil and Plant Protein Engineering Technology, Wuhan 430062, Hubei, China
| | - Haihui Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Dengfeng Peng
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, and Hubei Research Center of Oil and Plant Protein Engineering Technology, Wuhan 430062, Hubei, China.
| | - Qianchun Deng
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops and Lipids Process Technology National & Local Joint Engineering Laboratory, and Hubei Research Center of Oil and Plant Protein Engineering Technology, Wuhan 430062, Hubei, China.
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9
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Niu H, Hou K, Chen H, Fu X. A review of sugar beet pectin-stabilized emulsion: extraction, structure, interfacial self-assembly and emulsion stability. Crit Rev Food Sci Nutr 2022; 64:852-872. [PMID: 35950527 DOI: 10.1080/10408398.2022.2109586] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In recent years, sugar beet pectin as a natural emulsifier has shown great potential in food and pharmaceutical fields. However, the emulsification performance depends on the molecular structure of sugar beet pectin, and the molecular structure is closely related to the extraction method. This review summarizes the extraction methods of pectin, structure characterization methods and the current research status of sugar beet pectin-stabilized emulsions. The structural characteristics of sugar beet pectin (such as degree of methylation, degree of acetylation, degree of blockiness, molecular weight, ferulic acid content, protein content, neutral sugar side chains, etc.) are of great significance to the emulsifying activity and stability of sugar beet pectin. Compared with traditional hot acid extraction method, ultrasonic-assisted extraction, microwave-assisted extraction, subcritical water-assisted extraction, induced electric field-assisted extraction and enzyme-assisted extraction can improve the yield of sugar beet pectin. At the same time, compared with harsh extraction conditions (too high temperature, too strong acidity, too long extraction time, etc.), mild extraction conditions can better preserve these emulsifying groups in sugar beet pectin molecules, which are beneficial to improve the emulsifying properties of sugar beet pectin. In addition, the interfacial self-assembly behavior of sugar beet pectin induced by the molecular structure is crucial to the long-term stability of the emulsion. This review provides a direction for extracting or modifying sugar beet pectin with specific structure and function, which is instructive for finding alternatives to gum arabic.
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Affiliation(s)
- Hui Niu
- Hainan University-HSF/LWL Collaborative Innovation Laboratory, School of Food Science and Engineering, Hainan University, Haikou, PR China
- SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, Guangzhou, PR China
| | - Keke Hou
- Hainan University-HSF/LWL Collaborative Innovation Laboratory, School of Food Science and Engineering, Hainan University, Haikou, PR China
| | - Haiming Chen
- Hainan University-HSF/LWL Collaborative Innovation Laboratory, School of Food Science and Engineering, Hainan University, Haikou, PR China
- Maritime Academy, Hainan Vocational University of Science and Technology, Haikou, PR China
| | - Xiong Fu
- SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, Guangzhou, PR China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou, PR China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou, PR China
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10
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Non-enzymatically hydrolyzed guar gum and orange peel fibre together stabilize the low-fat, set-type yogurt: A techno-functional study. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107100] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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11
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Yuan K, Li X, Yang X, Luo S, Yang X, Guo Y. Effect of bacterial cellulose nanofibers incorporation on acid-induced casein gels: microstructures and rheological properties. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2021. [DOI: 10.1515/ijfe-2021-0293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Abstract
In this study, the effect of bacterial cellulose nanofibers (BCNF) incorporation on the structural and rheological properties of casein gels was investigated, where the mixed BCNF and casein gels were prepared by adding gluconic acid δ-lactone (GDL) to acidify the mixed polymer solutions at 3.0% casein concentration (w/v) and varying BCNF concentrations (0–0.5%, w/v). By changing the addition amount of GDL, the mechanical and structural properties of the mixed gels were studied at above, near and below the electric point (pI) of the casein. At pH above the pI of the casein, the introduction of BCNF initially increased the gel strength, but further addition of BCNF weakened the mixed gels. At near and below the pI of the casein, the incorporation of BCNF continuously increased the gel strength. Besides, all gels showed good structural homogeneity, without macroscopic phase separation occurring, which indicated good compatibility of BCNF with the casein gels.
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Affiliation(s)
- Kai Yuan
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi’an , P. R. China
| | - Xiaofei Li
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi’an , P. R. China
| | - Xudong Yang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi’an , P. R. China
| | - Shuai Luo
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi’an , P. R. China
| | - Xi Yang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi’an , P. R. China
| | - Yurong Guo
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi’an , P. R. China
- National Research & Development Center of Apple Processing Technology , Xi’an , P. R. China
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12
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Ma X, Chatterton DE. Strategies to improve the physical stability of sodium caseinate stabilized emulsions: A literature review. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106853] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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13
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Structural characteristics of binary biopolymers-based emulsion-filled gels: A case of mixed sodium caseinate/methyl cellulose emulsion gels. FOOD STRUCTURE 2021. [DOI: 10.1016/j.foostr.2021.100233] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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14
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15
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Li P, Guo C, Li X, Yuan K, Yang X, Guo Y, Yang X. Preparation and structural characteristics of composite alginate/casein emulsion gels: A microscopy and rheology study. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106792] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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16
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Li A, Guo C, Li X, Li P, Yang X, Guo Y. Gelation mechanism and physical properties of glucono-δ-lactone induced alginate sodium/casein composite gels. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106775] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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17
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Li X, Guo C, Yang X, Guo Y. Acid-induced mixed methylcellulose and casein gels: Structures, physical properties and formation mechanism. Food Chem 2021; 366:130561. [PMID: 34284189 DOI: 10.1016/j.foodchem.2021.130561] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 06/07/2021] [Accepted: 07/06/2021] [Indexed: 01/07/2023]
Abstract
In this study, caseins and methylcellulose (MC) were selected as building materials to prepare a class of mixed gels by adding glucono-δ-lactone (GDL) to induce the gelation of composite MC/casein systems, where the casein concentration was fixed at 8.0% (w/v) and the MC concentration varied from 0 to 1.0% (w/v). It was found that with increasing amount of MC addition (0-0.4%), the mixed gels exhibited a structural conversion from a casein-dominant gel network to a "water-in-water emulsion structure", with the caseins as the continuous gelling phase and the MC as the dispersed phase; further MC addition (0.4-1.0%, w/v) caused a more significant phase separation phenomenon. The structural conversion was in consistent with the determination result of gel hardness. Furthermore, by a combination of confocal laser scanning microscope (CLSM) and rheological studies, the structural evolution process of the mixed gels was revealed to explore the underlying formation mechanism of the mixed gels.
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Affiliation(s)
- Xiaofei Li
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, PR China
| | - Chuo Guo
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, PR China
| | - Xi Yang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, PR China; National Research & Development Center of Apple Processing Technology, PR China.
| | - Yurong Guo
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, PR China; National Research & Development Center of Apple Processing Technology, PR China.
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18
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Bayrak M, Mata J, Raynes JK, Greaves M, White J, Conn CE, Floury J, Logan A. Investigating casein gel structure during gastric digestion using ultra-small and small-angle neutron scattering. J Colloid Interface Sci 2021; 594:561-574. [PMID: 33780761 DOI: 10.1016/j.jcis.2021.03.087] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 02/24/2021] [Accepted: 03/15/2021] [Indexed: 11/25/2022]
Abstract
This study aimed to understand the structural devolution of 10% w/w rennet-induced (RG) and transglutaminase-induced acid (TG) gels in H2O and D2O under in vitro gastric conditions with and without pepsin. The real-time devolution of structure at a nano- (e.g. colloidal calcium phosphate (CCP) and micelle) and micro- (gel network) level was determined using ultra-small (USANS) and small-angle neutron scattering (SANS) with electron microscopy. Results demonstrate that gel firmness or elasticity determines disintegration behaviour during simulated mastication and consequently the particle size entering the stomach. Shear of mixing in the stomach, pH, and enzyme activity will also affect the digestion process. Our results suggest that shear of mixing primarily results in erosion at the particle surface and governs gel disintegration behaviour during the early stages of digestion. Pepsin diffusivity, and hence action, occur more readily in the latter stages of gastric digestion via access to the particle interior. This occurs via the progressively larger pores of the looser gel network and channels created within the larger, less dense casein micelles of the RG gels. Gel firmness and brittleness were greater in the D2O samples compared to H2O, facilitating gel disintegration. Despite the higher strength and elasticity of RG compared to TG, the protein network strands of the RG gels become more compact when exposed to the acidic gastric environment with comparatively larger pores observed through SEM imaging. This led to a higher degree of digestibility in RG gels compared to TG gels. This is the first study to examine casein gel structure during simulated gastric digestion using scattering and highlights the benefits of neutron scattering to monitor structural changes during digestion at multiple length scales.
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Affiliation(s)
- Meltem Bayrak
- CSIRO Agriculture and Food, 671 Sneydes Road, Werribee, Victoria 3030, Australia; School of Science, STEM College, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia.
| | - Jitendra Mata
- Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, Lucas Heights, NSW 2234, Australia.
| | - Jared K Raynes
- CSIRO Agriculture and Food, 671 Sneydes Road, Werribee, Victoria 3030, Australia.
| | - Mark Greaves
- CSIRO Manufacturing, Bayview Avenue, Clayton, VIC 3168, Australia.
| | - Jacinta White
- CSIRO Manufacturing, Bayview Avenue, Clayton, VIC 3168, Australia.
| | - Charlotte E Conn
- School of Science, STEM College, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia.
| | | | - Amy Logan
- CSIRO Agriculture and Food, 671 Sneydes Road, Werribee, Victoria 3030, Australia.
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19
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Impact of Type of Sugar Beet Pectin-Sodium Caseinate Interaction on Emulsion Properties at pH 4.5 and pH 7. Foods 2021; 10:foods10030631. [PMID: 33802694 PMCID: PMC8002390 DOI: 10.3390/foods10030631] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/22/2021] [Accepted: 03/12/2021] [Indexed: 11/17/2022] Open
Abstract
Equal parts of sugar beet pectin and sodium caseinate were interacted through electrostatic attraction, enzymatic crosslinking, and the Maillard reaction to prepare three oil-in-water emulsifier systems. Oil-in-water emulsions (10%) were processed via high shear overhead mixing at the natural pH of the emulsifier systems, followed by pH adjustment to pH 4.5 and pH 7. The emulsions were stable against coalescence, except for a slight increase in the mean droplet size for the enzymatic cross-liked emulsion at pH 4.5 over a 14-day storage period. This emulsion also showed the lowest absolute zeta (ζ)-potential value of near 30 mV. The Maillard interaction emulsifier system resulted in larger droplet sizes compared to the other two emulsifier systems. Small deformation oscillatory shear rheology assessment of the emulsion cream phases revealed an impact of the emulsifier system design at pH 4.5.
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20
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In-situ dispersion of casein to form nanoparticles for Pickering high internal phase emulsions. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110538] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Applications of mixed polysaccharide-protein systems in fabricating multi-structures of binary food gels—A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.01.002] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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22
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Ubeyitogullari A, Rizvi SSH. Heat stability of emulsions using functionalized milk protein concentrate generated by supercritical fluid extrusion. Food Funct 2020; 11:10506-10518. [PMID: 33179668 DOI: 10.1039/d0fo02271c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
In this study, thermostable oil-in-water emulsions containing high protein contents were developed using milk protein concentrate (MPC) that was functionalized by supercritical fluid extrusion (SCFX) processing at low temperature and shear. Functionalized MPC (f-MPC) emulsions (3% protein-80% oil and 10% protein-50% oil) were compared with emulsions stabilized by commercial MPC (c-MPC), sodium caseinate (NaCas), and a commercial mayonnaise for their emulsifying properties and heat stability at 70 and 90 °C for 30 min, and 121 °C for 15 min. Zeta-potentials and interfacial protein concentrations of f-MPC emulsions were higher than that of c-MPC emulsions. f-MPC emulsions remained stable against creaming for at least 8 weeks at room temperature (23 °C), while their c-MPC counterparts showed significant creaming at the same conditions. Even after heating at 121 °C for 15 min, f-MPC emulsions retained their structural integrity as observed from their confocal images, droplet size distributions, and viscosities. In contrast, c-MPC emulsions and mayonnaise disintegrated upon heating at 121 °C for 15 min, and oil droplets of mayonnaise partially coalesced during heating at 90 °C for 30 min. f-MPC emulsions revealed higher viscosities compared to c-MPC emulsions, providing them improved stability. Viscosities of f-MPC emulsions were not significantly affected by heating at 90 °C for 30 min, while other emulsions exhibited a substantial increase in their viscosities due to protein denaturation and aggregation. Thus, f-MPC emulsions can be utilized in the development of protein-enriched functional foods (e.g., spreads) that are stable against high heat treatments.
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Massironi A, Morelli A, Puppi D, Chiellini F. Renewable Polysaccharides Micro/Nanostructures for Food and Cosmetic Applications. Molecules 2020; 25:E4886. [PMID: 33105769 PMCID: PMC7660070 DOI: 10.3390/molecules25214886] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/16/2020] [Accepted: 10/20/2020] [Indexed: 12/20/2022] Open
Abstract
The worldwide diffusion of nanotechnologies into products nowadays has completely revolutionized human life, providing novel comfort and benefits. Their inclusion in food and cosmetic has a heavy impact over the market, allowing the development of higher value products with enhanced properties. Natural origin polymers and in particular polysaccharides represent a versatile platform of materials for the development of micro/nanostructured additives for food and cosmetic products due to their chemical versatility, biocompatibility, and abundance. Here, we review the current applications of polysaccharides-based micro/nanostructures, taking into consideration the precursors' production, isolation, and extraction methods and highlighting the advantages, possible drawbacks, and market diffusion.
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Affiliation(s)
| | | | | | - Federica Chiellini
- Department of Chemistry and Industrial Chemistry, University of Pisa, UdR INSTM-Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy; (A.M.); (A.M.); (D.P.)
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Sarabi-Aghdam V, Hosseini-Parvar SH, Motamedzadegan A, Razi SM, Rashidinejad A. Characterization of Aqueous Dispersions and Gels Made of Sodium Caseinate and Basil Seed Gum: Phase Behavior, Rheology, and Microstructure. FOOD BIOPHYS 2020. [DOI: 10.1007/s11483-020-09644-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Roullet M, Clegg PS, Frith WJ. Rheology of protein-stabilised emulsion gels envisioned as composite networks 1- Comparison of pure droplet gels and protein gels. J Colloid Interface Sci 2020; 579:878-887. [PMID: 32679385 DOI: 10.1016/j.jcis.2020.05.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/30/2020] [Accepted: 05/01/2020] [Indexed: 01/08/2023]
Abstract
HYPOTHESIS Protein-stabilised emulsion gels can be studied in the theoretical framework of colloidal gels, because both protein assemblies and droplets may be considered as soft colloids. These particles differ in their nature, size and softness, and these differences may have an influence on the rheological properties of the gels they form. EXPERIMENTS Pure gels made of milk proteins (sodium caseinate), or of sub-micron protein-stabilised droplets, were prepared by slow acidification of suspensions at various concentrations. Their microstructure was characterised, their viscoelasticity, both in the linear and non-linear regime, and their frequency dependence were measured, and the behaviour of the two types of gels was compared. FINDINGS Protein gels and droplet gels were found to have broadly similar microstructure and rheological properties when compared at fixed volume fraction, a parameter derived from the study of the viscosity of the suspensions formed by proteins and by droplets. The viscoelasticity displayed a power law behaviour in concentration, as did the storage modulus in frequency. Additionally, strain hardening was found to occur at low concentration. These behaviours differed slightly between protein gels and droplet gels, showing that some specific properties of the primary colloidal particles play a role in the development of the rheological properties of the gels.
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Affiliation(s)
- Marion Roullet
- Unilever R&D Colworth, Sharnbrook, Bedford MK44 1LQ, UK; School of Physics and Astronomy, University of Edinburgh, Peter Guthrie Tait Road, Edinburgh EH9 3FD, UK.
| | - Paul S Clegg
- School of Physics and Astronomy, University of Edinburgh, Peter Guthrie Tait Road, Edinburgh EH9 3FD, UK.
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26
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Ng SP, Khor YP, Lim HK, Lai OM, Wang Y, Wang Y, Cheong LZ, Arbi Nehdi I, Mansour L, Ping Tan C. Fabrication of Concentrated Palm Olein-Based Diacylglycerol Oil-Soybean Oil Blend Oil-In-Water Emulsion: In-Depth Study of the Rheological Properties and Storage Stability. Foods 2020; 9:foods9070877. [PMID: 32635372 PMCID: PMC7404400 DOI: 10.3390/foods9070877] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/12/2020] [Accepted: 06/15/2020] [Indexed: 12/21/2022] Open
Abstract
The present study focused on investigating the storage stability of oil-in-water (O/W) emulsions with high oil volume fractions prepared with palm olein-based diacylglycerol oil (POL-DAG)/soybean oil (SBO) blends at 25 °C. The incorporation of different ratios of oil blends significantly influenced (p < 0.05) the texture, color, droplet size distribution, and rheological parameters of the emulsions. Only emulsions incorporated with 10% to 20% POL-DAG in oil phase exhibited pseudoplastic behavior that fitted the Power Law model well. Furthermore, the O/W emulsions prepared with POL-DAG/SBO blends exhibited elastic properties, with G’ higher than G”. During storage, the emulsion was found to be less solid-like with the increase in tan δ values. All emulsions produced with POL-DAG/SBO blends also showed thixotropic behavior. Optical microscopy revealed that the POL-DAG incorporation above 40% caused aggregated droplets to coalesce and flocculate and, thus, larger droplet sizes were observed. The current results demonstrated that the 20% POL-DAG substituted emulsion was more stable than the control emulsion. The valuable insights gained from this study would be able to generate a lot more possible applications using POL-DAG, which could further sustain the competitiveness of the palm oil industry.
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Affiliation(s)
- Siou Pei Ng
- Department of Bioscience, Faculty of Applied Sciences, Tunku Abdul Rahman University College, Jalan Genting Kelang, Setapak, Kuala Lumpur 53300, Malaysia;
| | - Yih Phing Khor
- Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia; (Y.P.K.); (H.K.L.)
| | - Hong Kwong Lim
- Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia; (Y.P.K.); (H.K.L.)
| | - Oi Ming Lai
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia;
| | - Yong Wang
- JNU-UPM International Join Laboratory on Plant Oil Processing and Safety (POPS), Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China;
| | - Yonghua Wang
- Guangdong Research Center of Lipid Science and Applied Engineering Technology, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China;
| | - Ling Zhi Cheong
- Department of Food Safety and Quality, School of Marine Science, Ningbo University, Ningbo 315211, China;
| | - Imededdine Arbi Nehdi
- Chemistry Department, College of Science, King Saud University, P.O. BOX 2455, Riyadh 11451, Saudi Arabia;
- Chemistry Department, El Manar Preparatory Institute for Engineering Studies, Tunis El Manar University, P.O. Box 244, Tunis 2092, Tunisia
| | - Lamjed Mansour
- Zoology Department, College of Science, King Saud University, Saudi Arabia, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
| | - Chin Ping Tan
- Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia; (Y.P.K.); (H.K.L.)
- Correspondence: ; Tel.: +60-397-698-418
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Impact of added food ingredients on foaming and texture of the whipped toppings: a chemometric analysis. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03547-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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28
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Zhang L, Versteege S, Alting AC, Schutyser MA. Impact of conjugation with maltodextrin on rheological properties of sodium caseinate. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104660] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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29
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Stable casein micelle dispersions at pH 4.5 enabled by propylene glycol alginate following a pH-cycle treatment. Carbohydr Polym 2020; 233:115834. [DOI: 10.1016/j.carbpol.2020.115834] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/19/2019] [Accepted: 01/04/2020] [Indexed: 01/30/2023]
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30
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Xi Y, Liu B, Jiang H, Yin S, Ngai T, Yang X. Sodium caseinate as a particulate emulsifier for making indefinitely recycled pH-responsive emulsions. Chem Sci 2020; 11:3797-3803. [PMID: 34122848 PMCID: PMC8152521 DOI: 10.1039/c9sc05050g] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
pH-responsive emulsions are one of the simplest and most readily implementable stimuli-responsive systems. However, their practical uses have been greatly hindered by cyclability. Here, we report a robust pH-responsive emulsion prepared by utilizing pure sodium caseinate (NaCas) as the sole emulsifier. We demonstrate that the emulsification/demulsification of the obtained NaCas-stabilized emulsion can be triggered by simply changing the pH value over 100 cycles, which has never been observed in any protein-stabilized emulsion system. The NaCas-stabilized emulsion maintains its pH-responsive properties even in a saturated salt solution (NaCl ∼ 6.1 M) or seawater. We illustrate how NaCas functions in pH-responsive emulsions and show that when conventional nanoparticles such as zein protein or bare SiO2 particles were coated with a layer of NaCas, the resulting formulated emulsions could be switched on and off over 10 cycles. The unique properties of NaCas thus enable the engineering of conventional Pickering emulsions to pH-responsive Pickering emulsions. Finally, we have integrated catalytically active gold (Au) nanoclusters (NCs) into the NaCas protein and then utilized them to produce emulsions. Remarkably, these NaCas-Au NCs assembled at the oil-water interface exhibited excellent catalytic activity and cyclability, not only in aqueous solution, but also in complicated seawater environments.
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Affiliation(s)
- Yongkang Xi
- Research and Development Centre of Food Proteins, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products Safety, South China University of Technology Guangzhou 510640 P. R. China
| | - Bo Liu
- Research and Development Centre of Food Proteins, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products Safety, South China University of Technology Guangzhou 510640 P. R. China
| | - Hang Jiang
- Department of Chemistry, The Chinese University of Hong Kong Shatin N. T. Hong Kong
| | - Shouwei Yin
- Research and Development Centre of Food Proteins, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products Safety, South China University of Technology Guangzhou 510640 P. R. China .,Department of Chemistry, The Chinese University of Hong Kong Shatin N. T. Hong Kong .,Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) Guangzhou 510640 PR China
| | - To Ngai
- Department of Chemistry, The Chinese University of Hong Kong Shatin N. T. Hong Kong
| | - Xiaoquan Yang
- Research and Development Centre of Food Proteins, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products Safety, South China University of Technology Guangzhou 510640 P. R. China .,Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) Guangzhou 510640 PR China
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31
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Relationship between Formulation, Gelation Kinetics, Micro/Nanostructure and Rheological Properties of Sodium Caseinate Nanoemulsion-Based Acid Gels for Food Applications. FOOD BIOPROCESS TECH 2019. [DOI: 10.1007/s11947-019-02394-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Urbánková L, Kašpárková V, Egner P, Rudolf O, Korábková E. Caseinate-Stabilized Emulsions of Black Cumin and Tamanu Oils: Preparation, Characterization and Antibacterial Activity. Polymers (Basel) 2019; 11:E1951. [PMID: 31783677 PMCID: PMC6960556 DOI: 10.3390/polym11121951] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 11/21/2019] [Accepted: 11/25/2019] [Indexed: 11/17/2022] Open
Abstract
Caseinate-stabilized emulsions of black cumin (Nigella sativa) and tamanu (Calophyllum inophyllum) oils were studied in terms of preparation, characterization, and antibacterial properties. The oils were described while using their basic characteristics, including fatty acid composition and scavenging activity. The oil-in-water (o/w) emulsions containing the studied oils were formulated, and the influence of protein stabilizer (sodium caseinate (CAS), 1-12 wt%), oil contents (5-30 wt%), and emulsification methods (high-shear homogenization vs sonication) on the emulsion properties were investigated. It was observed that, under both preparation methods, emulsions of small, initial droplet sizes were predominantly formed with CAS content that was higher than 7.5 wt%. Sonication was a more efficient emulsification procedure and was afforded emulsions with smaller droplet size throughout the entire used concentration ranges of oils and CAS when compared to high-shear homogenization. At native pH of ~ 6.5, all of the emulsions exhibited negative zeta potential that originated from the presence of caseinate. The antibacterial activities of both oils and their emulsions were investigated with respect to the growth suppression of common spoilage bacteria while using the disk diffusion method. The oils and selected emulsions were proven to act against gram positive strains, mainly against Staphylococcus aureus (S. aureus) and Bacillus cereus (B. cereus); regrettably, the gram negative species were fully resistant against their action.
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Affiliation(s)
- Lucie Urbánková
- Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Věra Kašpárková
- Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
- Centre of Polymer Systems, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Pavlína Egner
- Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Ondřej Rudolf
- Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Eva Korábková
- Centre of Polymer Systems, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
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33
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Dickinson E. Strategies to control and inhibit the flocculation of protein-stabilized oil-in-water emulsions. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.05.021] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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34
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Kieserling K, Vu TM, Drusch S, Schalow S. Impact of pectin-rich orange fibre on gel characteristics and sensory properties in lactic acid fermented yoghurt. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.02.051] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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35
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Oliveira DRB, Furtado GDF, Cunha RL. Solid lipid nanoparticles stabilized by sodium caseinate and lactoferrin. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.12.025] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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36
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Low Methoxyl pectin / sodium caseinate complexing behavior studied by isothermal titration calorimetry. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.10.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Effect of Ohmic heating on functionality of sodium caseinate - A relationship with protein gelation. Food Res Int 2019; 116:628-636. [PMID: 30716989 DOI: 10.1016/j.foodres.2018.08.087] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 08/27/2018] [Accepted: 08/27/2018] [Indexed: 11/23/2022]
Abstract
Sodium caseinate (NaCAS) is widely used in the food industry to provide nutritional and functional benefits. This work deals with the effects of applying moderate electric fields (MEF) of different intensity - ranging from 2 V·cm-1 to 17 V·cm-1 - on the physical and functional properties of NaCAS solutions during Ohmic heating (OH) at 95 °C. Self-standing gels were produced regardless the heating technique applied (i.e. conventional or OH), and these gels were much more prone to physical rupture when compared with the ones produced from unheated NaCAS. Interestingly, OH treatment formed gels with lower values of strain at rupture and water holding capacity than unheated samples; this pattern was not observed for gels obtained through the conventional heating treatment (at 0 V·cm-1). These effects may be linked with disturbances of the distribution of random coil structures and enhanced solubility of NaCAS at its isoelectric point, reducing aggregation and impairing the development of a more compact protein network. Results show that OH presents potential to be used as volumetric heating tool for NaCAS solubilization and for the production of distinctive acidified systems.
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38
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Salminen H, Bischoff S, Weiss J. Impact of Concentration Ratio on the Formation and Stability of Emulsions Stabilized by Quillaja Saponin – Sodium Caseinate Mixtures. FOOD BIOPHYS 2019. [DOI: 10.1007/s11483-018-09563-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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39
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Felix da Silva D, Hirschberg C, Ahrné L, Hougaard AB, Ipsen R. Cheese feed to powder: Effects of cheese age, added dairy ingredients and spray drying temperature on properties of cheese powders. J FOOD ENG 2018. [DOI: 10.1016/j.jfoodeng.2018.05.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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40
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Abstract
Surfaces and interfaces are ubiquitous in nature and are involved in many biological processes. Due to this, natural organisms have evolved a number of methods to control interfacial and surface properties. Many of these methods involve the use of specialised protein biosurfactants, which due to the competing demands of high surface activity, biocompatibility, and low solution aggregation may take structures that differ from the traditional head–tail structure of small molecule surfactants. As well as their biological functions, these proteins have also attracted interest for industrial applications, in areas including food technology, surface modification, and drug delivery. To understand the biological functions and technological applications of protein biosurfactants, it is necessary to have a molecular level description of their behaviour, in particular at surfaces and interfaces, for which molecular simulation is well suited to investigate. In this review, we will give an overview of simulation studies of a number of examples of protein biosurfactants (hydrophobins, surfactin, and ranaspumin). We will also outline some of the key challenges and future directions for molecular simulation in the investigation of protein biosurfactants and how this can help guide future developments.
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41
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Ewert J, Glück C, Zeeb B, Weiss J, Stressler T, Fischer L. Modification of the interfacial properties of sodium caseinate using a commercial peptidase preparation from Geobacillus stearothermophilus. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.02.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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42
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Dickinson E. On the road to understanding and control of creaminess perception in food colloids. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2017.10.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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43
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Farshi P, Tabibiazar M, Ghorbani M, Hamishehkar H. Evaluation of Antioxidant Activity and Cytotoxicity of Cumin Seed Oil Nanoemulsion Stabilized by Sodium Caseinate- Guar Gum. PHARMACEUTICAL SCIENCES 2017. [DOI: 10.15171/ps.2017.43] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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44
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Consoli L, de Figueiredo Furtado G, da Cunha RL, Hubinger MD. High solids emulsions produced by ultrasound as a function of energy density. ULTRASONICS SONOCHEMISTRY 2017; 38:772-782. [PMID: 27955981 DOI: 10.1016/j.ultsonch.2016.11.038] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/28/2016] [Accepted: 11/29/2016] [Indexed: 06/06/2023]
Abstract
The use of emulsifying methods is frequently required before spray drying food ingredients, where using high concentration of solids increases the drying process yield. In this work, we used ultrasound to obtain kinetically stable palm oil-in-water emulsions with 30g solids/100g of emulsion. Sodium caseinate, maltodextrin and dried glucose syrup were used as stabilizing agents. Sonication time of 3, 7 and 11min were evaluated at power of 72, 105 and 148W (which represents 50%, 75% and 100% of power amplitude in relation to the nominal power of the equipment). Energy density required for each assay was calculated. Emulsions were characterized for droplets mean diameter and size distribution, optical microscopy, confocal microscopy, ζ-potential, creaming index (CI) and rheological behavior. Emulsions presented bimodal size distribution, with D[3,2] ranging from 0.7 to 1.4μm and CI between 5% and 12%, being these parameters inversely proportional to sonication time and power, but with a visual kinetically stabilization after the treatment at 148W at 7min sonication. D[3,2] showed to depend of energy density as a power function. Sonication presented as an effective method to be integrated to spray drying when emulsification is needed before the drying process.
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Affiliation(s)
- Larissa Consoli
- Department of Food Engineering, School of Food Engineering, 80, Monteiro Lobato Street, University of Campinas, 13083-862 Campinas, SP, Brazil.
| | - Guilherme de Figueiredo Furtado
- Department of Food Engineering, School of Food Engineering, 80, Monteiro Lobato Street, University of Campinas, 13083-862 Campinas, SP, Brazil.
| | - Rosiane Lopes da Cunha
- Department of Food Engineering, School of Food Engineering, 80, Monteiro Lobato Street, University of Campinas, 13083-862 Campinas, SP, Brazil.
| | - Míriam Dupas Hubinger
- Department of Food Engineering, School of Food Engineering, 80, Monteiro Lobato Street, University of Campinas, 13083-862 Campinas, SP, Brazil.
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45
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Costa ALR, Gomes A, Andrade CCPD, Cunha RL. Emulsifier functionality and process engineering: Progress and challenges. Food Hydrocoll 2017. [DOI: 10.1016/j.foodhyd.2016.10.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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46
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Structural and emulsifying properties of sodium caseinate and lactoferrin influenced by ultrasound process. Food Hydrocoll 2017. [DOI: 10.1016/j.foodhyd.2016.08.038] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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47
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Cheng W, McClements DJ. Biopolymer-stabilized conjugated linoleic acid (CLA) oil-in-water emulsions: Impact of electrostatic interactions on formation and stability of pectin-caseinate-coated lipid droplets. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.09.085] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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48
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Huck-Iriart C, Montes-de-Oca-Ávalos J, Herrera ML, Candal RJ, Pinto-de-Oliveira CL, Linares-Torriani I. New insights about flocculation process in sodium caseinate-stabilized emulsions. Food Res Int 2016; 89:338-346. [DOI: 10.1016/j.foodres.2016.08.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Revised: 08/13/2016] [Accepted: 08/20/2016] [Indexed: 11/26/2022]
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Wang J, Tan Y, Xu H, Niu S, Yu J. Effect of 2,2-azobis (2-amidinopropane) dihydrochloride oxidized casein on the microstructure and microrheology properties of emulsions. Food Sci Biotechnol 2016; 25:1283-1290. [PMID: 30263406 DOI: 10.1007/s10068-016-0202-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 07/18/2016] [Accepted: 07/26/2016] [Indexed: 02/07/2023] Open
Abstract
The impacts of protein oxidation on the droplet size and microrheology properties of casein emulsions with 20% oil content were investigated. The degree of protein oxidation was indicated by carbonyl concentration. The droplets in the emulsions of different-oxidation-degree casein had bimodal distribution, but their size altered due to oxidation. The effects of protein oxidation on the morphology, motion type, viscoelasticity, and stability of droplets were also investigated by microrheology analysis. The droplet motion was blocked by protein oxidation due to mean square displacement slope results. Solid-liquid balance values provided the liquid behavior dominating these emulsions. Oxidation of carbonyl concentration 16.72 raised the primary droplets, increased the elasticity, decreased the viscosity, and promoted the droplet motion rate, resulting in better stability of emulsions. Further oxidation promoted the aggregation of droplets and resulted in poor stability.
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Affiliation(s)
- Jianming Wang
- 1Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology), Ministry of Education, Tianjin, 300457 China
| | - Yaoyao Tan
- 1Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology), Ministry of Education, Tianjin, 300457 China
| | - Hui Xu
- 2College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457 China
| | - Sisi Niu
- 1Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology), Ministry of Education, Tianjin, 300457 China
- 2College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457 China
| | - Jinghua Yu
- 1Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology), Ministry of Education, Tianjin, 300457 China
- 2College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457 China
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Torres O, Murray B, Sarkar A. Emulsion microgel particles: Novel encapsulation strategy for lipophilic molecules. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.07.006] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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