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Tian M, Sun X, Cheng J, Guo M. Physicochemical and Functional Properties of Thermal-Induced Polymerized Goat Milk Whey Protein. Foods 2023; 12:3626. [PMID: 37835278 PMCID: PMC10572621 DOI: 10.3390/foods12193626] [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: 09/10/2023] [Revised: 09/23/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
Goat milk whey protein products are a hard-to-source commodity. Whey protein concentrate was directly prepared from fresh goat milk. The effects of the heating temperature (69-78 °C), time (15-30 min), and pH (7.5-7.9) on the physicochemical and functional properties of the goat milk whey protein were investigated. The results showed that the particle size of the samples significantly increased (p < 0.05) after heat treatment. The zeta potential of polymerized goat milk whey protein (PGWP) was lower than that of native goat milk whey protein. The content of the free sulfhydryl groups of PGWP decreased with increasing heating temperature and time, while an increase in surface hydrophobicity and apparent viscosity of PGWP were observed after heat treatment. Fourier Transform Infrared Spectroscopy analysis indicated that heat treatment and pH had considerable impacts on the secondary structure of goat milk whey protein. Transmission electron microscope images revealed that heat induced the formation of a large and uniform protein network. Additionally, the changes in the physicochemical and structural properties contributed to the improvement of the emulsifying and foaming properties of goat milk whey protein after heat treatment. The results may provide a theoretical basis for the applications of polymerized goat milk whey protein in related products.
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Affiliation(s)
- Mu Tian
- College of Food Science and Technology, Southwest Minzu University, Chengdu 610041, China;
- Key Laboratory of Dairy Science, Northeast Agricultural University, Harbin 150030, China; (X.S.); (J.C.)
| | - Xiaomeng Sun
- Key Laboratory of Dairy Science, Northeast Agricultural University, Harbin 150030, China; (X.S.); (J.C.)
| | - Jianjun Cheng
- Key Laboratory of Dairy Science, Northeast Agricultural University, Harbin 150030, China; (X.S.); (J.C.)
| | - Mingruo Guo
- Department of Nutrition and Food Sciences, College of Agriculture and Life Sciences, University of Vermont, Burlington, VT 05405, USA
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2
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Bordón MG, Barrera GN, González A, Ribotta PD, Martínez ML. Complex coacervation and freeze drying using whey protein concentrate, soy protein isolate and arabic gum to improve the oxidative stability of chia oil. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:3322-3333. [PMID: 36750451 DOI: 10.1002/jsfa.12489] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/01/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Chia oil (CO) is popular for being the richest vegetable source of α-linolenic acid (60-66%). However, this content of polyunsaturated fatty acids (PUFA) limits the incorporation of bulk CO in food products due to its high probability of oxidation. This justifies the study of alternative wall materials for microencapsulation. No reports regarding the use of dairy protein/vegetable protein/polysaccharide blends as wall material for the microencapsulation of CO have been published. Therefore, this work analyzed the behavior of a whey protein concentrate (WPC)/soy protein isolate (SPI)/arabic gum (AG) blend as wall material. The complex coacervation (CC) process was studied: pH, 4.0; total solid content, 30% w/v; WPC/SPI/AG ratio, 8:1:1 w/w/w; stirring speed, 600 rpm; time, 30 min; room temperature. RESULTS The oxidative stability index (OSI) of CO (3.25 ± 0.16 h) was significantly increased after microencapsulation (around four times higher). Furthermore, the well-known matrix-forming ability of AG and WPC helped increase the OSI of microencapsulated oils. Meanwhile, SPI contributed to the increase of the encapsulation efficiency due to its high viscosity. Enhanced properties were observed with CC: encapsulation efficiency (up to 79.88%), OSIs (from 11.25 to 12.52 h) and thermal stability of microcapsules given by the denaturation peak temperatures of WPC (from 77.12 to 86.00 °C). No significant differences were observed in the fatty acid composition of bulk and microencapsulated oils. CONCLUSION Microcapsules developed from complex coacervates based on the ternary blend represent promising omega-3-rich carriers for being incorporated into functional foods.
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Affiliation(s)
- María Gabriela Bordón
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC-CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Gabriela Noel Barrera
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC-CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
- Departamento de Química Industrial y Aplicada, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Agustín González
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA, CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Pablo Daniel Ribotta
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC-CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
- Departamento de Química Industrial y Aplicada, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Marcela Lilian Martínez
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
- Departamento de Química Industrial y Aplicada, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
- Instituto Multidisciplinario de Biología Vegetal (IMBIV, CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
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3
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Cheng J, Wang J, Li Z, Chen B, Cui L. Improving the mechanical and water-resistance properties of pea protein-based edible film via wet-heating Maillard reaction: Insights into the simultaneous effect of heating and Maillard reaction. Food Packag Shelf Life 2023. [DOI: 10.1016/j.fpsl.2023.101024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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4
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Zeng Q, Liu Y, Sun J, Jin Y. Providing New Insights on the Molecular Properties and Thermal Stability of Ovotransferrin and Lactoferrin. Foods 2023; 12:foods12030532. [PMID: 36766060 PMCID: PMC9914018 DOI: 10.3390/foods12030532] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023] Open
Abstract
Ovotransferrin (OVT) is a multi-functional protein showing over 50% homology with Bovine lactoferrin (BLF) and human lactoferrin (HLF), which have the potential to be a substitute for lactoferrin (LF) due to the limited production of LF. To explore the substitutability of OVT, the molecular properties and thermal stability of OVT, BLF and HLF were characterized because these properties will affect the processing quality and biological activities of protein products when exposed to different processing conditions (e.g., temperature, pH, ion strength). The results showed that although obviously different isoelectric point (5.31, 9.12 and 8.75 for OVT, BLF and HLF, respectively), particle size distribution and hydrophobicity were found, they exhibited good dispersity because of high potential value. They showed an endothermic peak at 80.64 °C, 65.71 °C and 90.01 °C, respectively, and the denaturation temperature varied at different pH and ionic strength. OVT and BLF were more susceptible to heating at pH 5.0 as reflected by the decline of denaturation temperature (21.78 °C shift for OVT and 5.81 °C shift for BLF), while HLF could remain stable. Compared with BLF, OVT showed higher secondary structure stability at pH 7.0 and 9.0 with heating. For example, the α-helix content of OVT changed from 20.35% to 15.4% at pH 7.0 after heating, while that of BLF changed from 20.05% to 6.65%. The increase on fluorescence intensity and redshifts on the maximum wavelength after heating indicated the changes of tertiary structure of them. The turbidity measurements showed that the thermal aggregation degree of OVT was lower than BLF and HLF at pH 7.0 (30.98%, 59.53% and 35.66%, respectively) and pH 9.0 (4.83%, 12.80% and 39.87%, respectively). This work demonstrated the similar molecular properties and comparable thermal stability of OVT to BLF and HLF, which can offer a useful reference for the substitute of LF by OVT.
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Affiliation(s)
- Qi Zeng
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yaping Liu
- College of Food Science and Engineering, Northwest A&F University, Xianyang 712100, China
| | - Jing Sun
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Science, Wuhan 430072, China
| | - Yongguo Jin
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Correspondence:
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5
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Martin F, Lee J, Azevedo-Scudeller L, Paul A, Delaplace G, Burgain J, Rousseau F, Tanguy G, Famelart MH, Jeantet R, Le Floch-Fouéré C. Heat treatment of milk protein concentrates affects enzymatic coagulation properties. Food Res Int 2022; 162:112030. [DOI: 10.1016/j.foodres.2022.112030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/28/2022] [Accepted: 10/03/2022] [Indexed: 11/28/2022]
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6
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Liu J, Chu T, Cheng M, Su Y, Zou G, Hou S. Bovine serum albumin functional graphene oxide membrane for effective chiral separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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7
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Nedanovska E, Jakopović KL, Daniloski D, Vaskoska R, Vasiljevic T, Barukčić I. Effect of storage time on the microbial, physicochemical and sensory characteristics of ovine whey‐based fruit beverages. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Emilija Nedanovska
- Faculty of Technology and Technical Sciences St. Clement of Ohrid University of Bitola Dimitar Vlahov 4000 Veles Republic of North Macedonia
| | - Katarina Lisak Jakopović
- Faculty of Food Technology and Biotechnology University of Zagreb Pierottijeva 6 10000 Zagreb Croatia
| | - Davor Daniloski
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities and College of Health and Biomedicine Victoria University Melbourne Vic. 8001 Australia
- Food Chemistry and Technology Department Teagasc Food Research Centre Moorepark, Fermoy, P61 C996 Cork Ireland
| | - Rozita Vaskoska
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences University of Melbourne Building 184, Royal Parade Parkville VIc. 3010 Australia
| | - Todor Vasiljevic
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities and College of Health and Biomedicine Victoria University Melbourne Vic. 8001 Australia
| | - Irena Barukčić
- Faculty of Food Technology and Biotechnology University of Zagreb Pierottijeva 6 10000 Zagreb Croatia
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9
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Rao S, Ashwath Kumar K, Indrani D. Low carbohydrate high fat flour: its rheology, bread making, physico-sensory and staling characteristics. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:2220-2230. [PMID: 35602456 PMCID: PMC9114241 DOI: 10.1007/s13197-021-05235-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 07/07/2021] [Accepted: 08/09/2021] [Indexed: 06/03/2023]
Abstract
A low carbohydrate and high fat (LCHF) flour was developed by combining almond flour, desiccated coconut flour, defatted soya flour, dry gluten powder, psyllium husk and skimmed milk powder. Determination of rheological, bread making, nutritional, and staling characteristics of LCHF flour in comparison with wheat flour (WF) was studied. The results showed that LCHF flour had lower amylograph pasting temperature (31.6 °C), peak viscosity (200 BU), farinograph dough stability (0.8 min), and bread volume (315 ml) compared to WF (61.0 °C; 782 BU; 8.7 min; and 525 ml) respectively. The use of additive mixes such as fungal alpha-amylase, sodium stearoyl-2-lactylate and xanthan gum, improved the volume and texture of the LCHF bread. Scanning electron microscope images showed little or no presence of starch granules in LCHF dough and bread. Differential scanning calorimetry studies indicated that, during storage (1-5 days), the enthalpy for gelatinization of endotherm starch increased (0.71-3.40 j/g) in WF bread, however, in LCHF bread this increase was lesser (0.53 to 2.2 j/g) indicating slower staling rate in LCHF bread. The LCHF bread showed lower carbohydrate (13.7%), in-vitro starch digestibility (17.3%) and staling rate, higher protein (22.51%), fat (11.01%), and medium-chain fatty acids than WF bread (51.9%; 38.2%; 12.57%; 3.78%) respectively. The results showed that the developed product would be beneficial for people suffering from diabetics and obesity.
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Affiliation(s)
- Smruthi Rao
- Flour Milling, Baking and Confectionery Technology Department, CSIR-Central Food Technological Research Institute, Mysore, Karnataka 570 020 India
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka 576104 India
| | - K. Ashwath Kumar
- Flour Milling, Baking and Confectionery Technology Department, CSIR-Central Food Technological Research Institute, Mysore, Karnataka 570 020 India
| | - D. Indrani
- Flour Milling, Baking and Confectionery Technology Department, CSIR-Central Food Technological Research Institute, Mysore, Karnataka 570 020 India
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10
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Characterization of goat whey proteins and their bioactivity and toxicity assay. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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11
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Alzoubi T, Martin GP, Barlow DJ, Royall PG. Stability of α-lactose monohydrate: The discovery of dehydration triggered solid-state epimerization. Int J Pharm 2021; 604:120715. [PMID: 34048927 DOI: 10.1016/j.ijpharm.2021.120715] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 05/07/2021] [Accepted: 05/14/2021] [Indexed: 10/21/2022]
Abstract
Lactose is present as an excipient in nearly half of all solid medicines. Despite the assumption of chemical stability, in aqueous solution, the chiral composition of lactose is prone to change. It is not known whether such epimerisation could also occur as solid crystalline α-lactose undergoes thermal desorption of its hydrated water. Thus, the aim of this study was to investigate the anomeric composition of lactose powders after heating in a differential scanning calorimeter. During thermal analysis, the heating cycles were interrupted to allow anomer-composition analysis by NMR. The onset for monohydrate desorption occurred at 143.8 ± 0.3 °C. Post water-loss, at 160 °C for example, α-lactose suffered partial conversion (11.6 ± 0.9%) to the β-anomer. When held at 160 °C for 60 min this increased to 29.7 ± 0.8% β-anomer (p < 0.05). This process of epimerisation was found to be close to zero-order with a rate constant of 0.28% per min-1. Optical microscopy indicated that the solid-state was maintained throughout thermal desorption and up to the onset of melting at 214.2 ± 0.9 °C. Only epimerisation was observed, with no additional chemical degradation detected by NMR. Similar results were observed when heating α-lactose to 190 °C, which resulted in a conversion of 29.1 ± 0.7% to β-lactose. Thus, the exothermic peak observed after monohydrate loss, which has often been attributed to re-crystallisation, comprises a contribution from epimerisation. No epimerisation or hydrate loss was observed for β-lactose powders when heated. In summary, it has been shown unequivocally for the first time that hydrate desorption (dehydration) leads to solid-state epimerisation in α-lactose powders.
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Affiliation(s)
- Thamer Alzoubi
- Institute of Pharmaceutical Science, King's College London, London SE1 9NH, UK; Department of Pharmaceutical Sciences, College of Health Sciences, PAAET (Public Authority for Applied Education and Training), Kuwait
| | - Gary P Martin
- Institute of Pharmaceutical Science, King's College London, London SE1 9NH, UK
| | - David J Barlow
- Division of Pharmacy & Optometry, University of Manchester, Stopford Building, 99 Oxford Road, Manchester M13 9PG, UK
| | - Paul G Royall
- Institute of Pharmaceutical Science, King's College London, London SE1 9NH, UK.
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12
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Filla JM, Stadler M, Heck A, Hinrichs J. Assessing Whey Protein Sources, Dispersion Preparation Method and Enrichment of Thermomechanically Stabilized Whey Protein Pectin Complexes for Technical Scale Production. Foods 2021; 10:foods10040715. [PMID: 33801764 PMCID: PMC8066860 DOI: 10.3390/foods10040715] [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: 03/03/2021] [Revised: 03/18/2021] [Accepted: 03/23/2021] [Indexed: 11/17/2022] Open
Abstract
Whey protein pectin complexes can be applied to replace fat in food products, e.g., pudding and yogurt, contributing to creaminess while adding a source of protein and fiber. Production of these complexes is usually conducted on the laboratory scale in small batches. Recently, a process using a scraped-surface heat exchanger (SSHE) has been employed; however, dispersion preparation time, feasibility of using different whey protein sources and enrichment of the complexes for subsequent drying have not been assessed. Preparing whey protein pectin dispersions by solid mixing of pectin and whey protein powders resulted in larger complexes than powders dispersed separately and subsequently mixed after a hydration time. Dispersions without hydration of the mixed dispersions before thermomechanical treatment had the largest particle sizes. The targeted particle size of d90,3 < 10 µm, an important predictor for creaminess, was obtained for five of the six tested whey protein sources. Dispersions of complexes prepared using whey protein powders had larger particles, with less particle volume in the submicron range, than those prepared using whey protein concentrates. Efficiency of complex enrichment via acid-induced aggregation and subsequent centrifugation was assessed by yield and purity of protein in the pellet and pectin in the supernatant.
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13
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Ozel B, Zhang Z, He L, McClements DJ. Digestion of animal- and plant-based proteins encapsulated in κ-carrageenan/protein beads under simulated gastrointestinal conditions. Food Res Int 2020; 137:109662. [DOI: 10.1016/j.foodres.2020.109662] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/24/2020] [Accepted: 09/06/2020] [Indexed: 12/25/2022]
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14
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Heyn TR, Mayer J, Neumann HR, Selhuber-Unkel C, Kwade A, Schwarz K, Keppler JK. The threshold of amyloid aggregation of beta-lactoglobulin: Relevant factor combinations. J FOOD ENG 2020. [DOI: 10.1016/j.jfoodeng.2020.110005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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15
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Potential of innovative pre-treatment technologies for the revalorisation of residual materials from the chicken industry through enzymatic hydrolysis. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102377] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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16
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Quevedo M, Kulozik U, Karbstein HP, Emin MA. Kinetics of denaturation and aggregation of highly concentrated β-Lactoglobulin under defined thermomechanical treatment. J FOOD ENG 2020. [DOI: 10.1016/j.jfoodeng.2019.109825] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Rodríguez Arzuaga M, Bosch A, Añón MC, Abraham AG. Heat induced conformational changes of whey proteins in model infant formulae: Effect of casein and inulin. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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18
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In vitro digestion of polysaccharide including whey protein isolate hydrogels. Carbohydr Polym 2020; 229:115469. [DOI: 10.1016/j.carbpol.2019.115469] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 10/07/2019] [Accepted: 10/11/2019] [Indexed: 02/08/2023]
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19
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Sánchez-Obando JD, Cabrera-Trujillo MA, Olivares-Tenorio ML, Klotz B. Use of optimized microparticulated whey protein in the process of reduced-fat spread and petit-suisse cheeses. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108933] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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20
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Wagner J, Biliaderis CG, Moschakis T. Whey proteins: Musings on denaturation, aggregate formation and gelation. Crit Rev Food Sci Nutr 2020; 60:3793-3806. [DOI: 10.1080/10408398.2019.1708263] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Janine Wagner
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Costas G. Biliaderis
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Thomas Moschakis
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
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21
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Meza BE, De Piante Vicín DA, Marino F, Sihufe GA, Peralta JM, Zorrilla SE. Characterisation of soluble aggregates from commercial whey protein concentrate suspensions: Effect of protein concentration, pH, and heat treatment conditions. INT J DAIRY TECHNOL 2019. [DOI: 10.1111/1471-0307.12669] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bárbara E Meza
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Universidad Nacional del Litoral – CONICET Güemes 3450 S3000GLN Santa Fe Argentina
| | - Daniel A De Piante Vicín
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Universidad Nacional del Litoral – CONICET Güemes 3450 S3000GLN Santa Fe Argentina
| | - Fernanda Marino
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Universidad Nacional del Litoral – CONICET Güemes 3450 S3000GLN Santa Fe Argentina
| | - Guillermo A Sihufe
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Universidad Nacional del Litoral – CONICET Güemes 3450 S3000GLN Santa Fe Argentina
| | - Juan Manuel Peralta
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Universidad Nacional del Litoral – CONICET Güemes 3450 S3000GLN Santa Fe Argentina
| | - Susana E Zorrilla
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Universidad Nacional del Litoral – CONICET Güemes 3450 S3000GLN Santa Fe Argentina
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22
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Impact of controlled shearing on solubility and heat stability of pea protein isolate dispersed in solutions with adjusted ionic strength. Food Res Int 2019; 125:108522. [DOI: 10.1016/j.foodres.2019.108522] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/03/2019] [Accepted: 06/21/2019] [Indexed: 11/19/2022]
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23
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Chen W, Ma X, Wang W, Lv R, Guo M, Ding T, Ye X, Miao S, Liu D. Preparation of modified whey protein isolate with gum acacia by ultrasound maillard reaction. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.10.030] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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24
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Chen W, Lv R, Wang W, Ma X, Muhammad AI, Guo M, Ye X, Liu D. Time effect on structural and functional properties of whey protein isolate-gum acacia conjugates prepared via Maillard reaction. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:4801-4807. [PMID: 30977143 DOI: 10.1002/jsfa.9735] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/07/2019] [Accepted: 04/08/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND The functional properties of whey protein isolate (WPI) are sensitive to pH, ionic strength, and temperature. This prevents its application in various food systems and processing technologies. The conjugation of proteins with polysaccharides via the Maillard reaction is an efficient method to improve the functionality of proteins. The purpose of this work was to conjugate gum acacia (GA) with WPI via the dry-heating Maillard reaction and to investigate the effect of reaction time on the physicochemical and functional properties of WPI-GA conjugates. RESULTS Sodium dodecyl sulfate-polyacrylamide gel electrophoresis and high-performance size exclusion chromatography confirmed the formation of higher molecular weight conjugates. The degrees of glycation for WPI-GA conjugates incubated for 1, 3, 5, and 7 days were 28.14%, 44.98%, 49.50%, and 51.20%, respectively. The glycation reaction reduced the surface hydrophobicity and fluorescence intensity of WPI significantly (P < 0.05). Functional properties of the conjugates, such as solubility, stability against heat-induced insolubility, and emulsion properties were all superior to the control WPI. However, a reaction time longer than a day resulted in a high degree of browning and decreased the functionality of the conjugate significantly (P < 0.05). CONCLUSION The results indicated that conjugation of WPI with GA can be a promising way to enhance its functional properties. However, the reaction time suitable for producing conjugates with superior functional properties was not necessarily the highest glycation degree that could be reached. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Weijun Chen
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Ruiling Lv
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Wenjun Wang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Xiaobin Ma
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Aliyu Idris Muhammad
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Department of Agricultural and Environmental Engineering, Faculty of Engineering, Bayero University Kano, Kano, Nigeria
| | - Mingming Guo
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Hangzhou, China
| | - Xingqian Ye
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Hangzhou, China
- Fuli Institute of Food Science, Zhejiang University, Hangzhou, China
| | - Donghong Liu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Hangzhou, China
- Fuli Institute of Food Science, Zhejiang University, Hangzhou, China
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Bogahawaththa D, Bao Chau NH, Trivedi J, Dissanayake M, Vasiljevic T. Impact of selected process parameters on solubility and heat stability of pea protein isolate. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.12.034] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Buggy AK, McManus JJ, Brodkorb A, Hogan SA, Fenelon MA. Pilot-scale formation of whey protein aggregates determine the stability of heat-treated whey protein solutions—Effect of pH and protein concentration. J Dairy Sci 2018; 101:10819-10830. [DOI: 10.3168/jds.2017-14177] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 07/10/2018] [Indexed: 11/19/2022]
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28
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Binding of phytate to soybean protein during the heat treatment of soymilk and its effect on protein aggregation. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.06.031] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Momen S, Salami M, alavi F, Emam-Djomeh Z, Hosseini E, Sheibani N, Moosavi-Movahedi AA. Effect of dry heating on physico-chemical, functional properties and digestibility of camel whey protein. Int Dairy J 2018. [DOI: 10.1016/j.idairyj.2018.06.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Dabija A, Codină GG, Ropciuc S, Stroe SG. Studies regarding the production of a novel yogurt using some local plant raw materials. J FOOD PROCESS PRES 2018. [DOI: 10.1111/jfpp.13826] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Adriana Dabija
- Faculty of Food Engineering Stefan cel Mare University of Suceava Suceava Romania
| | | | - Sorina Ropciuc
- Faculty of Food Engineering Stefan cel Mare University of Suceava Suceava Romania
| | - Silviu Gabriel Stroe
- Faculty of Food Engineering Stefan cel Mare University of Suceava Suceava Romania
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31
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Thermal denaturation kinetics of whey proteins in reverse osmosis and nanofiltration sweet whey concentrates. Int Dairy J 2018. [DOI: 10.1016/j.idairyj.2018.04.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Liu D, Cheng J, Zhao C, Guo M. Effect of sodium triphosphate on particle size of heat-induced whey protein concentrate aggregates. Food Sci Nutr 2018; 6:1940-1949. [PMID: 30349684 PMCID: PMC6189620 DOI: 10.1002/fsn3.665] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 04/09/2018] [Accepted: 04/09/2018] [Indexed: 01/02/2023] Open
Abstract
Thermal treatment has been utilized to improve the functional properties of proteins for many years. In this study, we aimed to investigate the effect of sodium triphosphate (Na5P3O10) on particle size and size distribution of heat-induced whey protein concentrate (WPC) aggregates under different processing conditions. The results showed that high Na5P3O10 level (>0.5%, w/w), long heating time (>15 min), and alkaline condition (pH 8-8.5) facilitated formation of large particles (>10 μm). The WPC aggregates with small-to-medium particle size (1-3 μm) that are suitable to be applied as a fat replacer were obtained by heating the WPC solution (8%, w/v) containing 0.4% (w/w) Na5P3O10 at 85°C for 5 min. We conclude that thermal treatment of whey protein concentrate added with Na5P3O10 can obtain whey protein products with different particle sizes for certain applications.
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Affiliation(s)
- Diru Liu
- School of Public HealthLanzhou UniversityLanzhouChina
| | - Jianjun Cheng
- College of Food ScienceNortheast Agricultural UniversityHarbinChina
| | - Changhui Zhao
- College of Food Science and EngineeringJilin UniversityChangchunChina
| | - Mingruo Guo
- College of Food ScienceNortheast Agricultural UniversityHarbinChina
- Department of Nutrition and Food SciencesCollege of Agriculture and Life SciencesUniversity of VermontBurlingtonVermont
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Nishanthi M, Chandrapala J, Vasiljevic T. Impact of storage conditions on solubility, heat stability and emulsifying properties of selected spray dried whey protein concentrates. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.01.068] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Ong L, Kentish SE, Gras SL. Small scale production of cream cheese: A comparison of batch centrifugation and cloth bag methods. Int Dairy J 2018. [DOI: 10.1016/j.idairyj.2018.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Ainis WN, Ersch C, Ipsen R. Partial replacement of whey proteins by rapeseed proteins in heat-induced gelled systems: Effect of pH. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2017.10.016] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Joyce AM, Kelly AL, O'Mahony JA. Controlling denaturation and aggregation of whey proteins during thermal processing by modifying temperature and calcium concentration. INT J DAIRY TECHNOL 2018. [DOI: 10.1111/1471-0307.12507] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aoife M Joyce
- School of Food and Nutritional Sciences; University College Cork; Cork Ireland
| | - Alan L Kelly
- School of Food and Nutritional Sciences; University College Cork; Cork Ireland
| | - James A O'Mahony
- School of Food and Nutritional Sciences; University College Cork; Cork Ireland
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Parniakov O, Bals O, Barba FJ, Mykhailyk V, Lebovka N, Vorobiev E. Application of differential scanning calorimetry to estimate quality and nutritional properties of food products. Crit Rev Food Sci Nutr 2018; 58:362-385. [PMID: 27245977 DOI: 10.1080/10408398.2016.1180502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Over the past years, both food researchers and food industry have shown an increased interest in finding techniques that can estimate modifications in quality, nutritional, and thermophysical properties of food products during processing and/or storage. For instance, differential scanning calorimetry (DSC) has attracted the interest of scientific community because only a small amount of sample is needed for analysis. Moreover, it does not require any specific sample preparation, and is a repeatable and reliable method. In addition, DSC methodology needs a short time for experiments compared with other techniques used for the same purpose. At this stage of investigation, there is a need to evaluate the commonly accepted and new emerging DSC applications to establish the optimum conditions of emerging processing. This paper reviews the current and new insights of DSC technique for the estimation of quality, nutritional, and thermophysical properties of food products during conventional and emerging processing and/or subsequent storage. The estimation of different properties in several food matrices after processing and/or storage is also discussed.
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Affiliation(s)
- Oleksii Parniakov
- a Laboratoire de Transformations Intégrées de la Matière Renouvelable , Université de Technologie de Compiègne, Sorbonne Universités, EA 4297, Centre de Recherches de Royallieu , BP 20529, 60205 Compiègne Cedex , France
| | - Olivier Bals
- a Laboratoire de Transformations Intégrées de la Matière Renouvelable , Université de Technologie de Compiègne, Sorbonne Universités, EA 4297, Centre de Recherches de Royallieu , BP 20529, 60205 Compiègne Cedex , France
| | - Francisco J Barba
- b Department of Food Science, Faculty of Science , University of Copenhagen , Rolighedsvej 26, 1958 Frederiksberg C , Denmark
| | - Viacheslav Mykhailyk
- c Institute of Engineering Thermal Physics, National Academy of Sciences of Ukraine , 2a, str. Zheljabova, Kyiv , Ukraine
| | - Nikolai Lebovka
- a Laboratoire de Transformations Intégrées de la Matière Renouvelable , Université de Technologie de Compiègne, Sorbonne Universités, EA 4297, Centre de Recherches de Royallieu , BP 20529, 60205 Compiègne Cedex , France.,d Institute of Biocolloidal Chemistry, named after F.D. Ovcharenko, NAS of Ukraine , 42, Blvr. Vernadskogo, Kyiv , Ukraine
| | - Eugene Vorobiev
- a Laboratoire de Transformations Intégrées de la Matière Renouvelable , Université de Technologie de Compiègne, Sorbonne Universités, EA 4297, Centre de Recherches de Royallieu , BP 20529, 60205 Compiègne Cedex , France
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38
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Franco I, Pérez MD, Conesa C, Calvo M, Sánchez L. Effect of technological treatments on bovine lactoferrin: An overview. Food Res Int 2017; 106:173-182. [PMID: 29579916 DOI: 10.1016/j.foodres.2017.12.016] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 12/04/2017] [Accepted: 12/08/2017] [Indexed: 01/11/2023]
Abstract
Lactoferrin (LF) is a multifunctional protein that exerts important activities in the neonate through its presence in milk, and also in other external mucosas, acting as a defense protein of innate immunity. The addition of bovine LF to infant formula and also to other functional products and cosmetics has increased during the last decades. Consequently, it is essential to know the effect that the technological processes, necessary to elaborate those products, have on LF activity. In this study, we have revised the effect of classical treatments on lactoferrin structure and activity, such as heat treatment or drying, and also of emerging technologies, like high pressure or pulsed electric field. The results of the studies included in this review indicate that LF stability is dependent on its level of iron-saturation and on the characteristics of the treatment media. Furthermore, the studies revised here reveal that the non-thermal treatments are interesting alternatives to the traditional ones, as they protect better the structure and activity of lactoferrin. It is also clear the need for research on LF encapsulation by different ways, to protect its properties before it reaches the intestine. All this knowledge would allow designing processes less harmful for LF, thus maintaining all its functionality.
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Affiliation(s)
- Indira Franco
- Departamento de Ciencias Naturales, Facultad de Ciencias y Tecnología, Universidad Tecnológica de Panamá, Campus Metropolitano Víctor Levi Sasso, Panamá, Panamá
| | - María Dolores Pérez
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón (IA2) (Universidad de Zaragoza-CITA), Miguel Servet, 177, 50013 Zaragoza, Spain
| | - Celia Conesa
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón (IA2) (Universidad de Zaragoza-CITA), Miguel Servet, 177, 50013 Zaragoza, Spain
| | - Miguel Calvo
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón (IA2) (Universidad de Zaragoza-CITA), Miguel Servet, 177, 50013 Zaragoza, Spain
| | - Lourdes Sánchez
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón (IA2) (Universidad de Zaragoza-CITA), Miguel Servet, 177, 50013 Zaragoza, Spain.
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39
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Atuonwu JC, Ray J, Stapley AG. A kinetic model for whey protein denaturation at different moisture contents and temperatures. Int Dairy J 2017. [DOI: 10.1016/j.idairyj.2017.07.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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40
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Jaskulski M, Atuonwu J, Tran T, Stapley A, Tsotsas E. Predictive CFD modeling of whey protein denaturation in skim milk spray drying powder production. ADV POWDER TECHNOL 2017. [DOI: 10.1016/j.apt.2017.09.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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41
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Protte K, Ruf T, Atamer Z, Sonne A, Weiss J, Hinrichs J. Influence of shear stress, pectin type and calcium chloride on the process stability of thermally stabilised whey protein–pectin complexes. FOOD STRUCTURE-NETHERLANDS 2017. [DOI: 10.1016/j.foostr.2017.06.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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42
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Improved heat stability of whey protein isolate stabilized emulsions via dry heat treatment of WPI and low methoxyl pectin: Effect of pectin concentration, pH, and ionic strength. Food Hydrocoll 2017. [DOI: 10.1016/j.foodhyd.2016.10.025] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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43
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Improved heat stability of protein solutions and O/W emulsions upon dry heat treatment of whey protein isolate in the presence of low-methoxyl pectin. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.05.034] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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44
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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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45
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The effect of temperature and shear upon technological properties of whey protein concentrate: Aggregation in a tubular heat exchanger. Int Dairy J 2016. [DOI: 10.1016/j.idairyj.2016.02.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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46
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Ahtesh FB, Stojanovska L, Mathai ML, Apostolopoulos V, Mishra VK. Proteolytic and angiotensin-converting enzyme-inhibitory activities of selected probiotic bacteria. Int J Food Sci Technol 2016. [DOI: 10.1111/ijfs.13054] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Fatah B. Ahtesh
- Center for Chronic Disease; College of Health and Biomedicine; Victoria University; Werribee Campus PO Box 14428 Melbourne Vic. 8001 Australia
| | - Lily Stojanovska
- Center for Chronic Disease; College of Health and Biomedicine; Victoria University; Werribee Campus PO Box 14428 Melbourne Vic. 8001 Australia
| | - Michael L. Mathai
- Center for Chronic Disease; College of Health and Biomedicine; Victoria University; Werribee Campus PO Box 14428 Melbourne Vic. 8001 Australia
| | - Vasso Apostolopoulos
- Center for Chronic Disease; College of Health and Biomedicine; Victoria University; Werribee Campus PO Box 14428 Melbourne Vic. 8001 Australia
| | - Vijay K. Mishra
- Center for Chronic Disease; College of Health and Biomedicine; Victoria University; Werribee Campus PO Box 14428 Melbourne Vic. 8001 Australia
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Mulcahy EM, Mulvihill DM, O'Mahony JA. Physicochemical properties of whey protein conjugated with starch hydrolysis products of different dextrose equivalent values. Int Dairy J 2016. [DOI: 10.1016/j.idairyj.2015.09.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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48
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Predicting the properties of the whey protein microparticles produced by heat and mechanical treatments. Eur Food Res Technol 2016. [DOI: 10.1007/s00217-015-2625-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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49
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Akkerman M, Rauh VM, Christensen M, Johansen LB, Hammershøj M, Larsen LB. Effect of heating strategies on whey protein denaturation--Revisited by liquid chromatography quadrupole time-of-flight mass spectrometry. J Dairy Sci 2015; 99:152-66. [PMID: 26506552 DOI: 10.3168/jds.2015-9924] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 09/01/2015] [Indexed: 11/19/2022]
Abstract
Previous standards in the area of effect of heat treatment processes on milk protein denaturation were based primarily on laboratory-scale analysis and determination of denaturation degrees by, for example, electrophoresis. In this study, whey protein denaturation was revisited by pilot-scale heating strategies and liquid chromatography quadrupole time-of-flight mass spectrometer (LC/MC Q-TOF) analysis. Skim milk was heat treated by the use of 3 heating strategies, namely plate heat exchanger (PHE), tubular heat exchanger (THE), and direct steam injection (DSI), under various heating temperatures (T) and holding times. The effect of heating strategy on the degree of denaturation of β-lactoglobulin and α-lactalbumin was determined using LC/MC Q-TOF of pH 4.5-soluble whey proteins. Furthermore, effect of heating strategy on the rennet-induced coagulation properties was studied by oscillatory rheometry. In addition, rennet-induced coagulation of heat-treated micellar casein concentrate subjected to PHE was studied. For skim milk, the whey protein denaturation increased significantly as T and holding time increased, regardless of heating method. High denaturation degrees were obtained for T >100°C using PHE and THE, whereas DSI resulted in significantly lower denaturation degrees, compared with PHE and THE. Rennet coagulation properties were impaired by increased T and holding time regardless of heating method, although DSI resulted in less impairment compared with PHE and THE. No significant difference was found between THE and PHE for effect on rennet coagulation time, whereas the curd firming rate was significantly larger for THE compared with PHE. Micellar casein concentrate possessed improved rennet coagulation properties compared with skim milk receiving equal heat treatment.
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Affiliation(s)
- M Akkerman
- Department of Food Science, Science and Technology, Aarhus University, Blichers Allé 20, DK-8830 Tjele, Denmark
| | - V M Rauh
- Arla Foods Strategic Innovation Centre, Rørdrumvej 2, DK-8220 Brabrand, Denmark
| | - M Christensen
- Arla Foods Strategic Innovation Centre, Rørdrumvej 2, DK-8220 Brabrand, Denmark
| | - L B Johansen
- Arla Foods Strategic Innovation Centre, Rørdrumvej 2, DK-8220 Brabrand, Denmark
| | - M Hammershøj
- Department of Food Science, Science and Technology, Aarhus University, Blichers Allé 20, DK-8830 Tjele, Denmark
| | - L B Larsen
- Department of Food Science, Science and Technology, Aarhus University, Blichers Allé 20, DK-8830 Tjele, Denmark.
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