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Oriomah O, Noriega Fernández E, Sone I. Prior thermal and high-pressure processing alters the impact of high intensity ultrasound on reconstituted skim milk. ULTRASONICS SONOCHEMISTRY 2024; 109:107000. [PMID: 39074402 PMCID: PMC11338986 DOI: 10.1016/j.ultsonch.2024.107000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 07/06/2024] [Accepted: 07/19/2024] [Indexed: 07/31/2024]
Abstract
Reconstituted skim milk was subjected to heat treatment at 85 °C for 20 min or high pressure processing (HPP) at 400 or 600 MPa for 15 min with or without subsequent high intensity ultrasound (US) at 68 kHz, 500 W for 15 min at 30 °C. Untreated and treated samples were analyzed for particle size distribution, zeta potential, surface hydrophobicity, and concentration of total and surface sulfhydryl groups in addition to Native- and SDS-PAGE of serum phase upon ultracentrifugation and pH adjustment. Preceding heat- and HPP altered the impact of the subsequent US treatment, demonstrating process- and intensity-dependent exposure and burial of surface reactive sites on milk proteins respectively. US following HPP promoted sedimentation of HPP-dispersed serum casein fractions, while US following heat was directed mainly at the whey proteins originally bound to the micelles. The primary US effect on the untreated and treated milk proteins was at the molecular level.
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Affiliation(s)
- Oluyemi Oriomah
- Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Richard Johnsensgate 4, 4021 Stavanger, Norway
| | - Estefanía Noriega Fernández
- Department of Processing Technology, Nofima AS. Richard Johnsensgate 4, 4021 Stavanger, Norway; European Food Safety Authority, Via Carlo Magno 1A, 43126 Parma, Italy
| | - Izumi Sone
- Department of Processing Technology, Nofima AS. Richard Johnsensgate 4, 4021 Stavanger, Norway.
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2
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Singh MP, Vashisht P, Singh L, Awasti N, Sharma S, Mohan C, Singh TP, Sharma S, Shyam S, Charles APR. Donkey milk as a non-bovine alternative: a review of its nutri-functional properties, applications, and challenges. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2024; 61:1652-1661. [PMID: 39049915 PMCID: PMC11263273 DOI: 10.1007/s13197-024-05939-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 01/12/2024] [Accepted: 01/29/2024] [Indexed: 07/27/2024]
Abstract
Elevation in incidences of cow milk protein allergies warrants the need to investigate the suitability of non-bovine milk alternatives for human consumption. Donkey milk has emerged as a potential alternative attributed to its benefits to human health. Evidently, it is a great option for infants as it closely resembles human milk. Researchers have also investigated its suitability in producing numerous dairy products. This review discusses the various nutri-functional aspects of donkey milk, its applications and challenges in the manufacturing of infant formula, yogurt, cheese, ice cream, kefir, and fermented milk. Research updates on processing techniques (thermal and non-thermal) for donkey milk preservation are also delineated. Despite abundant nutrients and desirable functional properties, the growth of the donkey milk industry is not significant. This is due to the lower yield, scattered population, and lack of regulatory standards for both products and processing. Recommendation on research gaps and obstacles in its commercialization are also addressed. Graphical abstract
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Affiliation(s)
- Manan Preet Singh
- Division of Dairy Technology, National Dairy Research Institute, Karnal, Haryana 132001 India
| | | | - Lovepreet Singh
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, ID USA
| | - Nancy Awasti
- Sensory Scientist, Lactalis, USA, Buffalo, NY 14218 USA
| | | | - Chander Mohan
- Division of Dairy Technology, National Dairy Research Institute, Karnal, Haryana 132001 India
| | - Tejinder Pal Singh
- Department of Dairy Microbiology, College of Dairy Science and Technology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004 India
| | - Sachin Sharma
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, ID USA
| | | | - Anto Pradeep Raja Charles
- Food Ingredients and Biopolymers Lab, Department of Plant Sciences, North Dakota State University, Fargo, ND 58102 USA
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3
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Albayati SH, Nezhad NG, Taki AG, Rahman RNZRA. Efficient and easible biocatalysts: Strategies for enzyme improvement. A review. Int J Biol Macromol 2024; 276:133978. [PMID: 39038570 DOI: 10.1016/j.ijbiomac.2024.133978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/19/2024] [Accepted: 07/16/2024] [Indexed: 07/24/2024]
Abstract
Owing to the environmental friendliness and vast advantages that enzymes offer in the biotechnology and industry fields, biocatalysts are a prolific investigation field. However, the low catalytic activity, stability, and specific selectivity of the enzyme limit the range of the reaction enzymes involved in. A comprehensive understanding of the protein structure and dynamics in terms of molecular details enables us to tackle these limitations effectively and enhance the catalytic activity by enzyme engineering or modifying the supports and solvents. Along with different strategies including computational, enzyme engineering based on DNA recombination, enzyme immobilization, additives, chemical modification, and physicochemical modification approaches can be promising for the wide spread of industrial enzyme usage. This is attributed to the successful application of biocatalysts in industrial and synthetic processes requires a system that exhibits stability, activity, and reusability in a continuous flow process, thereby reducing the production cost. The main goal of this review is to display relevant approaches for improving enzyme characteristics to overcome their industrial application.
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Affiliation(s)
- Samah Hashim Albayati
- Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Nima Ghahremani Nezhad
- Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Anmar Ghanim Taki
- Department of Radiology Techniques, Health and Medical Techniques College, Alnoor University, Mosul, Iraq
| | - Raja Noor Zaliha Raja Abd Rahman
- Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; Institute Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia.
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Cunha JS, Pacheco FC, Martins CCN, Pacheco AFC, Tribst AAL, Leite Júnior BRDC. Use of ultrasound to improve the activity of cyclodextrin glycosyltransferase in the producing of β-cyclodextrins: Impact on enzyme activity, stability and insights into changes on enzyme macrostructure. Food Res Int 2024; 191:114662. [PMID: 39059935 DOI: 10.1016/j.foodres.2024.114662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/22/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024]
Abstract
This work explored the impact of ultrasound (US) on the activity, stability, and macrostructural conformation of cyclodextrin glycosyltransferase (CGTase) and how these changes could maximize the production of β-cyclodextrins (β-CDs). The results showed that ultrasonic pretreatment (20 kHz and 38 W/L) at pH 6.0 promoted increased enzymatic activity. Specifically, after sonication at 25 °C/30 min, there was a maximum activity increase of 93 % and 68 % when biocatalysis was carried out at 25 and 55 °C, respectively. For activity measured at 80 °C, maximum increase (31 %) was observed after sonication at 25 °C/60 min. Comparatively, US pretreatment at low pH (pH = 4.0) resulted in a lower activity increase (max. 28 %). These activation levels were maintained after 24 h of storage at 8 °C, suggesting that changes on CGTase after ultrasonic pretreatment were not transitory. These pretreatments altered the conformational structure of CGTase, revealed by an up to 11 % increase in intrinsic fluorescence intensity, and resulted in macrostructural modifications, such as a decrease in particle size and polydispersion index (up to 85 % and 45.8 %, respectively). Therefore, the sonication of CGTase under specific conditions of pH, time, and temperature (especially at pH 6.0/ 30 min/ 25 °C) promotes macrostructural changes in CGTase that induce enzyme activation and, consequently, higher production of β-CDs.
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Affiliation(s)
- Jeferson Silva Cunha
- Department of Food Technology, Federal University of Viçosa, Av. Peter Henry Rolfs, S/n, University Campus, 36570-900 Viçosa, MG, Brazil
| | - Flaviana Coelho Pacheco
- Department of Food Technology, Federal University of Viçosa, Av. Peter Henry Rolfs, S/n, University Campus, 36570-900 Viçosa, MG, Brazil
| | - Caio Cesar Nemer Martins
- Department of Forest Science, Federal University of Viçosa, Av. Peter Henry Rolfs, S/n, University Campus, 36570-900 Viçosa, MG, Brazil
| | - Ana Flávia Coelho Pacheco
- Cândido Tostes Dairy Institute, Agricultural Company of Minas Gerais (EPAMIG), 11 Lieutenant Luiz de Freitas, 116, 36045-560 Juiz de Fora, MG, Brazil
| | - Alline Artigiani Lima Tribst
- Núcleo de Estudos e Pesquisas em Alimentação (NEPA), Coordenadoria de Centros e Núcleos Interdisciplinares de Pesquisa (COCEN), Universidade Estadual de Campinas (UNICAMP), Albert Einstein, 291, 13083-852 Campinas, SP, Brazil
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Wang Y, Xiao R, Liu S, Wang P, Zhu Y, Niu T, Chen H. The Impact of Thermal Treatment Intensity on Proteins, Fatty Acids, Macro/Micro-Nutrients, Flavor, and Heating Markers of Milk-A Comprehensive Review. Int J Mol Sci 2024; 25:8670. [PMID: 39201356 PMCID: PMC11354856 DOI: 10.3390/ijms25168670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 08/02/2024] [Accepted: 08/07/2024] [Indexed: 09/02/2024] Open
Abstract
Milk thermal treatment, such as pasteurization, high-temperature short-time processing, and the emerging ultra-short-time processing (<0.5 s), are crucial for ensuring milk safety and extending its shelf life. Milk is a nutritive food matrix with various macro/micro-nutrients and other constituents that are possibly affected by thermal treatment for reasons associated with processing strength. Therefore, understanding the relationship between heating strength and milk quality is vital for the dairy industry. This review summarizes the impact of thermal treatment strength on milk's nutritional and sensory properties, the synthesizing of the structural integrity and bioavailability of milk proteins, the profile and stability of fatty acids, the retention of macro/micro-nutrients, as well as the overall flavor profile. Additionally, it examines the formation of heat-induced markers, such as Maillard reaction products, lactulose, furosine, and alkaline phosphatase activity, which serve as indicators of heating intensity. Flavor and heating markers are commonly used to assess the quality of pasteurized milk. By examining former studies, we conclude that ultra-short-time-processing-treated milk is comparable to pasteurized milk in terms of specific parameters (such as whey protein behavior, furosine, and ALP contents). This review aims to better summarize how thermal treatments influence the milk matrix, guiding the dairy industry's development and balancing milk products' safety and nutritional value.
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Affiliation(s)
- Yi Wang
- Food Laboratory of Zhongyuan, China Agricultural University, Beijing 100083, China;
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.X.); (S.L.); (P.W.); (Y.Z.)
| | - Ran Xiao
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.X.); (S.L.); (P.W.); (Y.Z.)
| | - Shiqi Liu
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.X.); (S.L.); (P.W.); (Y.Z.)
| | - Pengjie Wang
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.X.); (S.L.); (P.W.); (Y.Z.)
| | - Yinhua Zhu
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.X.); (S.L.); (P.W.); (Y.Z.)
| | - Tianjiao Niu
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.X.); (S.L.); (P.W.); (Y.Z.)
| | - Han Chen
- Food Laboratory of Zhongyuan, China Agricultural University, Beijing 100083, China;
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.X.); (S.L.); (P.W.); (Y.Z.)
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Graikini D, García L, Abad I, Lavilla M, Puértolas E, Pérez MD, Sánchez L. Antirotaviral activity of dairy byproducts enriched in fractions from hyperimmune bovine colostrum: the effect of thermal and high hydrostatic pressure treatments. Food Funct 2024; 15:2265-2281. [PMID: 38319687 DOI: 10.1039/d3fo05250h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Nowadays, rotaviruses remain a major health burden, especially in developing countries, and strategies complementary to vaccination are needed. In this view, dairy fractions have attracted great scientific interest, due to their high content of bioactive compounds. The objective of this study was to evaluate the antiviral activity of whey and buttermilk enriched in proteins from hyperimmune bovine colostrum (HBC) against rotavirus. The enriched fractions were spray-dried and subsequently tested for their neutralizing activity against the bovine rotavirus WC3 strain in vitro, using differentiated Caco-2/TC7 cells. The highest antirotaviral activity was observed when whey and buttermilk were enriched in purified immunoglobulin G (IgG), showing complete rotavirus neutralization at concentrations of 3 and 6 mg mL-1 for whey and buttermilk, respectively. Additionally, the use of a crude immunoglobulin fraction also gave satisfactory results. The inhibitory activities of all samples significantly decreased after the application of heat, except for the IgG-enriched buttermilk which showed a slight increase of activity following the application of short-time treatments (75 or 85 °C for 20 s). This sample also showed a significant increase of activity (13%) after the application of low-intensity high hydrostatic pressure treatment (400 MPa for 5 min). The maximum loss of bioactivity was observed at 600 MPa for 10 min (31 and 20% for whey- and buttermilk-based formulas, respectively). This study provides relevant information on the potential of whey, buttermilk, and HBC to be part of functional products as complementary strategies to combat rotavirus infections.
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Affiliation(s)
- Dimitra Graikini
- Departmento de Producción Animal y Ciencia de los Alimentos, Universidad de Zaragoza, Zaragoza, Spain.
- Instituto Agroalimentario de Aragon (IA2), Zaragoza, Spain
| | - Laura García
- Departmento de Producción Animal y Ciencia de los Alimentos, Universidad de Zaragoza, Zaragoza, Spain.
| | - Inés Abad
- Departmento de Producción Animal y Ciencia de los Alimentos, Universidad de Zaragoza, Zaragoza, Spain.
- Instituto Agroalimentario de Aragon (IA2), Zaragoza, Spain
| | - María Lavilla
- AZTI-BRTA, Food Research-Parque Tecnológico de Bizkaia, Astondo Bidea, edificio 609, 48160 Derio, Spain
| | - Eduardo Puértolas
- AZTI-BRTA, Food Research-Parque Tecnológico de Bizkaia, Astondo Bidea, edificio 609, 48160 Derio, Spain
| | - María Dolores Pérez
- Departmento de Producción Animal y Ciencia de los Alimentos, Universidad de Zaragoza, Zaragoza, Spain.
- Instituto Agroalimentario de Aragon (IA2), Zaragoza, Spain
| | - Lourdes Sánchez
- Departmento de Producción Animal y Ciencia de los Alimentos, Universidad de Zaragoza, Zaragoza, Spain.
- Instituto Agroalimentario de Aragon (IA2), Zaragoza, Spain
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Huang Y, Liu H, Zhou Y, Lu Z, Pu Y, Zhang H. Cloning and functional characterization of the oxidative squalene cyclase gene in the deep-sea holothurian Chiridota sp. Gene 2024; 894:147971. [PMID: 37949417 DOI: 10.1016/j.gene.2023.147971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 09/10/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
Saponins derived from holothurians have high potential medicinal value. However, the de novo synthesis of the derivatization of triterpenes is still unclear. Oxidative squalene cyclase (OSC) can catalyze 2,3-Oxidosqualene into diverse products that serve as important precursors for triterpene synthesis. However, the function of theOSCgene in Chiridotasp. hasnot been elucidated. In this study, an OSCgenederived from the deep-sea holothurianChiridota sp. was cloned and characterized functionally in a yeast system. The open reading frame of the OSC gene was 2086 bp, which encoded 695 amino acids. The Chiridota sp. OSC gene has a similarity of 66.89 % to the OSC of other holothurian species and 63.51 % to that of Acanthaster planci. The phylogenetic tree showed that the echinozoan OSCsclustered together, and then they formeda sister group to fungi and plant homologs. Chiridota sp. OSC catalyzed 2,3-Oxidosqualene into parkeol.Under high pressure, the relative enzymatic activity and stability of cyclase inChiridota sp. was higher than that in the shallow-sea holothurianStichopus horrens. The newly cloned OSC of Chiridota sp.provideskey information for the interpretation of the saponin synthesis pathway in deep-sea holothurians.
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Affiliation(s)
- Yanan Huang
- Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Helu Liu
- Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China
| | - Yang Zhou
- Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China
| | - Zaiqing Lu
- Ocean University of China, Qingdao 266100, China
| | - Yujin Pu
- Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Haibin Zhang
- Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China.
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Mirarab Razi S, Mohebbi M, Mirzababaee SM, Hesarinejad MA, Khalilian Movahed M. The effect of high hydrostatic pressure on the structure of whey proteins-guar gum mixture. Heliyon 2024; 10:e24140. [PMID: 38234892 PMCID: PMC10792572 DOI: 10.1016/j.heliyon.2024.e24140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/19/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024] Open
Abstract
The effect of high hydrostatic pressure (HHP) on the structural properties of whey protein concentrate (WPC) and guar gum mixture has been investigated at pH 5. WPC (6 % w/v) and guar gum (0.25 % w/v) mixture was freeze dried after adjusting pH and treated at different pressure levels (0-600 MPa) for 0-30 min. The solubility of treated powders decreased significantly (p < 0.05) as treatment time and pressure levels increased. Thermal analysis showed an increase in denaturation temperature after HHP treatment at 600 MPa. A more crystalline structure was observed in samples treated with 600 MPa for 20 and 30 min. With increasing pressure and time, particle size of the samples increased and the highest particle size was belonged to sample treated at 600 MPa for 30 min (759.66 nm). SEM results exhibited that by applying the pressure, irregularity of shapes and particle size increased while the apparent cracks decreased. FTIR results indicated that HHP treatment changed shift in bond and peak intensity. As reported in the current study, the application of HHP treatment as a green physical technology on protein-polysaccharide mixture could be used to improve interaction of protein and polysaccharide.
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Affiliation(s)
- Saeed Mirarab Razi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
| | - Mohebbat Mohebbi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
| | - Seyyed Mahdi Mirzababaee
- Department of Food Industry Machineries, Research Institute of Food Science and Technology, Mashhad, Iran
| | | | - Mohammad Khalilian Movahed
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
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Cauduro VH, Cui J, Flores EMM, Ashokkumar M. Ultrasound-Assisted Encapsulation of Phytochemicals for Food Applications: A Review. Foods 2023; 12:3859. [PMID: 37893751 PMCID: PMC10606579 DOI: 10.3390/foods12203859] [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: 09/23/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
The use of phytochemicals as natural food additives is a topic of interest for both academic and food industry communities. However, many of these substances are sensitive to environmental conditions. For this reason, encapsulation is usually performed prior to incorporation into food products. In this sense, ultrasound-assisted encapsulation is an emerging technique that has been gaining attention in this field, bringing important advantages for the production of functional food products. This review article covered applications published in the last five years (from 2019 to 2023) on the use of ultrasound to encapsulate phytochemicals for further incorporation into food. The ultrasound mechanisms for encapsulation, its parameters, such as reactor configuration, frequency, and power, and the use of ultrasound technology, along with conventional encapsulation techniques, were all discussed. Additionally, the main challenges of existing methods and future possibilities were discussed. In general, ultrasound-assisted encapsulation has been considered a great tool for the production of smaller capsules with a lower polydispersity index. Encapsulated materials also present a higher bioavailability. However, there is still room for further developments regarding process scale-up for industrial applications. Future studies should also focus on incorporating produced capsules in model food products to further assess their stability and sensory properties.
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Affiliation(s)
- Vitoria Hagemann Cauduro
- Department of Chemistry, Federal University of Santa Maria, Santa Maria 97105-900, RS, Brazil; (V.H.C.); (E.M.M.F.)
| | - Jiwei Cui
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;
| | - Erico Marlon Moraes Flores
- Department of Chemistry, Federal University of Santa Maria, Santa Maria 97105-900, RS, Brazil; (V.H.C.); (E.M.M.F.)
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Taha A, Casanova F, Talaikis M, Stankevič V, Žurauskienė N, Šimonis P, Pakštas V, Jurkūnas M, Gomaa MAE, Stirkė A. Effects of Pulsed Electric Field on the Physicochemical and Structural Properties of Micellar Casein. Polymers (Basel) 2023; 15:3311. [PMID: 37571205 PMCID: PMC10422647 DOI: 10.3390/polym15153311] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
Pulsed electric field (PEF) as a green processing technology is drawing greater attention due to its eco-friendliness and potential to promote sustainable development goals. In this study, the effects of different electric field strengths (EFS, 0-30 kV/cm) on the structure and physicochemical features of casein micelles (CSMs) were investigated. It was found that the particle sizes of CSMs increased at low EFS (10 kV/cm) but decreased at high EFS (30 kV/cm). The absolute ζ-potential at 30 kV/cm increased from -26.6 (native CSMs) to -29.5 mV. Moreover, it was noticed that PEF treatment leads to changes in the surface hydrophobicity; it slightly increased at low EFS (10 kV/cm) but decreased at EFS > 10 kV/cm. PEF enhanced the protein solubility from 84.9 (native CSMs) to 87.1% (at 10 kV/cm). PEF at low EFS (10 kV/cm) intensified the emission fluorescence spectrum of CSMs, while higher EFS reduced the fluorescence intensity compared to native CSMs. Moreover, the analysis of the Amide Ι region showed that PEF-treated CSMs reduced the α-helix and increased the β-sheet content. Raman spectra confirmed that PEF treatment > 10 kV/cm buried tyrosine (Tyr) residues in a hydrophobic environment. It was also found that PEF treatment mainly induced changes in the disulfide linkages. In conclusion, PEF technology can be employed as an eco-friendly technology to change the structure and physiochemical properties of CSMs; this could improve their techno-functional properties.
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Affiliation(s)
- Ahmed Taha
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
| | - Federico Casanova
- Food Production Engineering, National Food Institute, Technical University of Denmark, 2800 Lyngby, Denmark;
| | - Martynas Talaikis
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
| | - Voitech Stankevič
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
| | - Nerija Žurauskienė
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
| | - Povilas Šimonis
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
| | - Vidas Pakštas
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
| | - Marijus Jurkūnas
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
| | - Mohamed A. E. Gomaa
- Department of Food Science, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria 21531, Egypt
| | - Arūnas Stirkė
- State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania (A.S.)
- Micro and Nanodevices Laboratory, Institute of Solid State Physics, University of Latvia, Kengaraga Str. 8, LV-1063 Riga, Latvia
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11
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Li J, Huang Y, Peng X, Luo W, Gantumur MA, Jiang Z, Hou J. Physical treatment synergized with natural surfactant for improving gas-water interfacial behavior and foam characteristics of α-lactalbumin. ULTRASONICS SONOCHEMISTRY 2023; 95:106369. [PMID: 36965313 PMCID: PMC10060377 DOI: 10.1016/j.ultsonch.2023.106369] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/23/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
The purpose of this study was to investigate effect of physical treatment (ultrasound, U/high pressure homogenization, H/combined treatment, UH or HU) and surfactant (Mogroside V, Mog) on air/water interface adsorption and foaming properties of α-lactalbumin (ALa). Firstly, the binding of Mog and all physical-treated ALa was a static quenching process. Mog had the greatest binding affinity for HU-ALa among all treated samples. U or H treatment could change surface hydrophobicity of ALa/Mog complex. Secondly, at the molar ratio (ALa:Mog) of 1:50, foaming ability (FA) of all ALa samples got the maximum. The sequence of FA in ALa and ALa/Mog complex was listed as follow: HU > U > H > UH. Moreover, foaming stability (FS) of HU-ALa was the highest, followed by H-ALa, U-ALa and UH-ALa. Meanwhile, low concentration Mog increased FS of ALa or UH-ALa, but it reduced FS of H-ALa, U-ALa and HU-ALa. Quartz crystal microbalance with dissipation monitoring (QCM-D) experiment indicated that ALa/Mog complex after U or H treatment was quickly absorbed at air/water interface, compared with the treated ALa, and HU-ALa/Mog had the largest frequency shift. In addition, HU-ALa had the thickest bubble membrane and the highest dissipation shift in all samples, indicating that the absorbed membrane thickness and viscoelasticity of samples was correlated with foam stability. Therefore, U and H treatment synergism with Mog was an effective approach to enhance foam properties of ALa, which indicated that HU-treated ALa/Mog complex could be viewed as the safe and efficient foaming agent applied in food processing.
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Affiliation(s)
- Jinzhe Li
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Yuxuan Huang
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Xinhui Peng
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Wenwen Luo
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Munkh-Amgalan Gantumur
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Zhanmei Jiang
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China.
| | - Juncai Hou
- Key Laboratory of Dairy Science (Northeast Agricultural University), Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China.
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12
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Rathnakumar K, Kalaivendan RGT, Eazhumalai G, Raja Charles AP, Verma P, Rustagi S, Bharti S, Kothakota A, Siddiqui SA, Manuel Lorenzo J, Pandiselvam R. Applications of ultrasonication on food enzyme inactivation- recent review report (2017-2022). ULTRASONICS SONOCHEMISTRY 2023; 96:106407. [PMID: 37121169 PMCID: PMC10173006 DOI: 10.1016/j.ultsonch.2023.106407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/31/2023] [Accepted: 04/13/2023] [Indexed: 05/14/2023]
Abstract
Ultrasound processing has been widely applied in food sector for various applications such as decontamination and structural and functional components modifications in food. Enzymes are proteinaceous in nature and are widely used due to its catalytic activity. To mitigate the undesirable effects caused by the enzymes various technologies have been utilized to inactive the enzymes and improve the enzyme efficiency. Ultrasound is an emerging technology that produces acoustic waves which causes rapid formation and collapse of bubbles. It has the capacity to break the hydrogen bonds and interact with the polypeptide chains due to Vander Waals forces leading to the alteration of the secondary and tertiary structure of the enzymes thereby leading to loss in their biological activity. US effectively inactivates various dairy-related enzymes, including alkaline phosphatase (ALP), lactoperoxidase (LPO), and γ-glutamyl transpeptidase (GGTP) with increased US intensity and time without affecting the natural dairy flavors. The review also demonstrates that inactivation of enzymes presents in fruit and vegetables such as polyphenol oxidase (PPO), polygalacturonase (PG), Pectin methyl esterase (PME), and peroxidase. The presence of the enzymes causes detrimental effects causes off-flavors, off-colors, cloudiness, reduction in viscosity of juices, therefore the formation of high-energy free molecules during sonication affects the catalytic function of enzymes and thereby causing inactivation. Therefore this manuscript elucidates the recent advances made in the inactivation of common, enzymes infruits, vegetables and dairy products by the application of ultrasound and also explains the enzyme inactivation kinetics associated. Further this manuscript also discusses the ultrasound with other combined technologies, mechanisms, and its effects on the enzyme inactivation.
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Affiliation(s)
- Kaavya Rathnakumar
- Department of Food Science, University of Wisconsin, Madison 53707, WI, the United States of America
| | - Ranjitha Gracy T Kalaivendan
- Department of Food Engineering and Technology, Institute of Chemical Technology, Mumbai, Maharashtra 400019, India
| | - Gunaseelan Eazhumalai
- Department of Food Engineering and Technology, Institute of Chemical Technology, Mumbai, Maharashtra 400019, India
| | - Anto Pradeep Raja Charles
- Food Ingredients and Biopolymer Laboratory, Department of Plant Sciences, North Dakota State University, Fargo, ND 58102, the United States of America
| | - Pratishtha Verma
- Department of Dairy and Food Science, South Dakota State University, Brookings - 57007, SD, the United States of America
| | - Sarvesh Rustagi
- School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - Sweety Bharti
- School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - Anjineyulu Kothakota
- Agro-Processing & Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (NIIST), Trivandrum 695 019, Kerala, India
| | - Shahida Anusha Siddiqui
- Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Essigberg 3, 94315 Straubing, Germany; German Institute of Food Technologies (DIL e.V.), Prof.-von-Klitzing-Straβe 7, 49610 Quakenbrück, Germany
| | - Jose Manuel Lorenzo
- Centro Tecnológico de la Carne de Galicia, Parque Tecnológico de Galicia, San Cibrao das Viñas, Avd. Galicia N° 4, 32900 Ourense, Spain; Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidade de Vigo, 32004 Ourense, Spain.
| | - R Pandiselvam
- Physiology, Biochemistry and Post-Harvest Technology Division, ICAR-Central Plantation Crops Research Institute, Kasaragod 671124, Kerala, India.
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13
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Astráin-Redín L, Skipnes D, Cebrián G, Álvarez-Lanzarote I, Rode TM. Effect of the Application of Ultrasound to Homogenize Milk and the Subsequent Pasteurization by Pulsed Electric Field, High Hydrostatic Pressure, and Microwaves. Foods 2023; 12:foods12071457. [PMID: 37048276 PMCID: PMC10093751 DOI: 10.3390/foods12071457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
The efficacy of applying ultrasound (US) as a system to homogenize emulsions has been widely demonstrated. However, research has not yet shown whether the effect achieved by homogenizing milk with US is modified by subsequent pasteurization treatments that use new processing technologies such as pulsed electric fields (PEF), microwaves (MW), and high hydrostatic pressure (HPP). The aim of this study was, therefore, to optimize the application of US for milk homogenization and to evaluate the effect of PEF, HPP, and MW pasteurization treatments on the sensorial, rheological, and microbiological properties of milk throughout its shelf life. To homogenize whole milk, a continuous US system (20 kHz, 0.204 kJ/mL, 100%, 40 °C) was used, and different ultrasonic intensities (0.25, 0.5, and 1.0 kJ/mL) were evaluated. The optimal ultrasonic treatment was selected on the basis of fat globule size distribution and pasteurization treatments by MW (5800 W, 1.8 L/min), PEF (120 kJ/kg, 20 kV/cm) and HPP (600 MPa, 2 min, 10 °C) was applied. The ultrasound intensity that achieved the highest reduction in fat globule size (0.22 ± 0.02 µm) and the most homogeneous distribution was 1.0 kJ/mL. Fat globule size was smaller than in commercial milk (82% of volume < 0.5 µm for US milk versus 97% of volume < 1.2 µm for commercial milk). That size was maintained after the application of the different pasteurization treatments, and the resulting milk had better emulsion stability than commercial milk. After 28 days of storage, no differences in viscosity (4.4–4.9 mPa s) were observed. HPP pasteurization had the greatest impact on color, leading to higher yellowness values than commercial milk. Microbial counts did not vary significantly after 28 days of storage, with counts below 102 CFU/mL for samples incubated at 15 °C and at 37 °C. In summary, the homogenization of milk obtained by US was not affected by subsequent pasteurization processes, regardless of the technology applied (MW, PEF, or HPP). Further research is needed to evaluate these procedures’ effect on milk’s nutritional and functional properties.
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Affiliation(s)
- Leire Astráin-Redín
- Departamento de Producción Animal y Ciencia de los Alimentos, Tecnología de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón—IA2—(Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Dagbjørn Skipnes
- NOFIMA Norwegian Institute of Food, Fisheries and Aquaculture Research, 4021 Stavanger, Norway
| | - Guillermo Cebrián
- Departamento de Producción Animal y Ciencia de los Alimentos, Tecnología de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón—IA2—(Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Ignacio Álvarez-Lanzarote
- Departamento de Producción Animal y Ciencia de los Alimentos, Tecnología de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón—IA2—(Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
- Correspondence:
| | - Tone Mari Rode
- NOFIMA Norwegian Institute of Food, Fisheries and Aquaculture Research, 4021 Stavanger, Norway
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Babu KS, Amamcharla JK. Influence of Bulk Nanobubbles Generated by Acoustic Cavitation on Powder Microstructure and Rehydration Characteristics of Spray-Dried Milk Protein Concentrate Powders. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1093. [PMID: 36985987 PMCID: PMC10054697 DOI: 10.3390/nano13061093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/11/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Bulk nanobubbles (BNBs) have widespread applications in various fields of science due to numerous peculiar characteristics. Despite significant applications, only limited investigations are available on the application of BNBs in food processing. In the present study, a continuous acoustic cavitation technique was used to generate bulk nanobubbles (BNBs). The aim of this study was to evaluate the influence of BNB incorporation on the processability and spray drying of milk protein concentrate (MPC) dispersions. MPC powders were reconstituted to the desired total solids and incorporated with BNBs using acoustic cavitation as per the experimental design. The control MPC (C-MPC) and BNB-incorporated MPC (BNB-MPC) dispersions were analyzed for rheological, functional, and microstructural properties. The viscosity significantly decreased (p < 0.05) at all the amplitudes studied. The microscopic observations of BNB-MPC dispersions showed less aggregated microstructures and greater structural differences compared with C-MPC dispersions, therefore lowering the viscosity. The viscosity of BNB incorporated (90% amplitude) MPC dispersions at 19% total solids at a shear rate of 100 s-1 significantly decreased to 15.43 mPa·s (C-MPC: 201 mPa·s), a net decrease in viscosity by ~90% with the BNB treatment. The control and BNB incorporated MPC dispersions were spray-dried, and the resultant powders were characterized in terms of powder microstructure and rehydration characteristics. Focused beam reflectance measurement of the BNB-MPC powders indicated higher counts of fine particles (<10 μm) during dissolution, signifying that BNB-MPC powders exhibited better rehydration properties than the C-MPC powders. The enhanced powder rehydration with the BNB incorporation was attributed to the powder microstructure. Overall, reducing the viscosity of feed by BNB incorporation can enhance the performance of the evaporator. This study, therefore, recommends the possibility of using BNB treatment for more efficient drying while improving the functional properties of the resultant MPC powders.
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15
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Song B, Zhu P, Zhang Y, Ju N, Si X, Pang X, Lv J, Zhang S. Preparation and quality assessment of processed cream cheese by high hydrostatic pressure combined thermal processing and spore-induced germination. J FOOD ENG 2023. [DOI: 10.1016/j.jfoodeng.2022.111319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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16
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Chymosin pretreatment accelerated papain catalysed hydrolysis for decreasing casein antigenicity by exposing the cleavage site at tyrosine residues. Food Chem 2023; 404:134777. [DOI: 10.1016/j.foodchem.2022.134777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 10/25/2022] [Accepted: 10/25/2022] [Indexed: 11/21/2022]
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17
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Yılmaz E, Kurban M, Erbay Z. Assessment and optimisation of ultrasound as a pretreatment in the production of enzyme-modified cheese. Int Dairy J 2023. [DOI: 10.1016/j.idairyj.2023.105639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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18
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Effects of Microwave Treatment on the Physicochemical Properties and Edible Qualities of Germ-Remaining Rice. FOOD BIOPHYS 2023. [DOI: 10.1007/s11483-023-09779-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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19
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Evaluation of dry microwave and hot water blanching on physicochemical, textural, functional and organoleptic properties of Indian gooseberry ( Phyllanthus emblica). JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2023. [PMCID: PMC9898692 DOI: 10.1007/s11694-023-01833-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Indian gooseberry (Phyllanthus emblica) is a seasonal and highly nutritious fruit with shorter shelf-life and astringent taste limiting its utilization. The enzymatic browning and flavor loss are major concerns which makes pre-processing a crucial step for further processing. In this context, dry microwave blanching (MWB) was explored as an alternative to hot-water (HW) blanching to reduce its nutrition losses particularly ascorbic acid (AA) and makes it easier for removal of seed kernel. This study focused on the effect of MW power level (200–500 W) and blanching time (50–100 s) on AA content, color attributes (L*, a*, b*), and enzymatic inhibition in Indian gooseberry. The optimized MWB conditions were 294 W MW power with 70 s blanching time providing satisfactory enzymatic inhibition (75.47%), and retention of AA (417.70 mg/100 g pulp) and color attributes (L*: 58.42, a*: 4.57, b*: 26.23). As compared to HWB (80 °C, 5 min), MWB showed least AA degradation, higher total phenolic content and softening percent with less total color difference owing to its shorter processing time and dry blanching. Quantitative descriptive analysis (QDA) demonstrated that raw and MW blanched Indian gooseberries are the most accepted, followed by HW blanched samples. MWB showed better nutrient retention than HWB with easier seed removal showed the application of MW radiation for blanching of other fruits.
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20
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Moreira TCP, Cunha RLD. Ultrasonic process affecting interactions between sodium caseinate and whey proteins. Food Res Int 2023; 164:112356. [PMID: 36737944 DOI: 10.1016/j.foodres.2022.112356] [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: 07/19/2022] [Revised: 12/19/2022] [Accepted: 12/23/2022] [Indexed: 12/26/2022]
Abstract
Ultrasound has been widely explored for several applications, such as emulsification or structural modification of food materials such as proteins. In this work, the effect of ultrasound on the control of whey proteins (WPI) aggregation was evaluated in the presence of sodium caseinate (NaCas). Solutions of NaCas, WPI and both (1:1) were treated with ultrasound under different power and time conditions and were initially evaluated in terms of particle size distribution, charge density, pH and polyacrylamide gel electrophoresis. Three pairs of conditions were adopted to provide the same energy density - A1 (450 W / 300 s, 6750 MJ/m3), A2 (150 W / 900 s, 6750 MJ/m3), A3 (600 W / 300 s, 900 MJ/m3), A4 (202.5 W / 900 s, 9112.5 MJ/m3), A5 (742.5 W / 300 s, 11137.5 MJ/m3) and A6 (247.5 W / 900 s, 11137.5 MJ/m3). Best conditions of transmitted energy - A1, A3 and A5 - were studied for surface hydrophobicity, circular dichroism and infrared spectroscopy. The decrease of surface hydrophobicity of NaCas:WPI mixtures pointed to a protective effect of NaCas against WPI denaturation, confirmed by the presence of more ordered structures by FTIR analysis that were not observed in the absence of NaCas. Finally, the effect of these structural changes on the gelation capacity of the ultrasound-treated proteins was assessed. Ultrasound was able to reduce the stress at rupture from 1988.59 Pa (control) to 1655.31 Pa (A3) and 1871.24 Pa (A5), and more markedly increase the Young modulus from 113.69 kPa (control) to 243.30 kPa (A3) and 392.44 kPa (A5). This study identified that higher power values with shorter times were able to provide greater protein changes that affected gelation properties, showing that the modulation of ultrasound conditions can produce ingredients with different techno-functional properties.
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Affiliation(s)
- Thais Caldas Paiva Moreira
- Department of Food Engineering and Technology (DETA), School of Food Engineering, University of Campinas (UNICAMP), Rua Monteiro Lobato, 80, Campinas-SP, CEP 13083-862, Brazil.
| | - Rosiane Lopes da Cunha
- Department of Food Engineering and Technology (DETA), School of Food Engineering, University of Campinas (UNICAMP), Rua Monteiro Lobato, 80, Campinas-SP, CEP 13083-862, Brazil
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21
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ZHAO F, LIU X, LIAN M, YANG Y, LI C, XU H, CAO W, ZHENG L, DONG H, WANG W. Effects of high hydrostatic pressure on physicochemical and functional properties of soybean protein isolate. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.95422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Fei ZHAO
- Weifang University of Science and Technology, China; Weifang University of Science and Technology, China
| | - Xuemei LIU
- All-China Federation of Supply and Marketing Co-operatives, China
| | - Meng LIAN
- Weifang University of Science and Technology, China
| | - Yongqi YANG
- Weifang University of Science and Technology, China
| | - Chunlei LI
- Weifang University of Science and Technology, China
| | - Haicheng XU
- Weifang University of Science and Technology, China
| | - Wenchao CAO
- Weifang University of Science and Technology, China
| | - Limin ZHENG
- Weifang University of Science and Technology, China; Weifang University of Science and Technology, China
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22
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Liu Z, Suolang Q, Wang J, Li L, Luo Z, Shang P, Chen XD, Wu P. Formation of structured clots, gastric emptying and hydrolysis kinetics of yak milk during in vitro dynamic gastrointestinal digestion: Impact of different heat treatments. Food Res Int 2022; 162:111958. [DOI: 10.1016/j.foodres.2022.111958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 07/29/2022] [Accepted: 09/18/2022] [Indexed: 11/04/2022]
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23
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Khosroshahi ED, Razavi SH. Wheat germ valorization by fermentation: A novel insight into the stabilization, nutritional/functional values and therapeutic potentials with emphasis on anti-cancer effects. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.12.001] [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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24
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Soltani Firouz M, Sardari H, Soofiabadi M, Hosseinpour S. Ultrasound assisted processing of milk: Advances and challenges. J FOOD PROCESS ENG 2022. [DOI: 10.1111/jfpe.14173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Mahmoud Soltani Firouz
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
| | - Hamed Sardari
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
| | - Mahsa Soofiabadi
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
| | - Soleiman Hosseinpour
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
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25
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Power ultrasound affect on physicochemical, rheological and sensory characteristics of probiotic yoghurts. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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26
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Comparison of the Effects of High Hydrostatic Pressure and Pasteurization on Quality of Milk during Storage. Foods 2022; 11:foods11182837. [PMID: 36140965 PMCID: PMC9498420 DOI: 10.3390/foods11182837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/01/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
High hydrostatic pressure (HHP, 600 MPa/15 min), pasteurization (72 °C/15 s) and pasteurization-HHP (72 °C/15 s + 600 MPa/15 min) processing of milk were comparatively evaluated by examining their effects on microorganisms and quality during 30 days of storage at 4 °C. The counts of total aerobic bacteria in HHP-treated milk were less than 2.22 lgCFU/mL during storage, while they exceeded 5.00 lgCFU/mL in other treated milk. Although HHP changed the color, it had more advantages in maintaining the nutrient (fat, calcium and β-lactoglobulin) properties of milk during storage. Moreover, the viscosity and particle size of HHP-treated milk were more similar to the untreated milk during storage. However, consumer habits towards heat-treated milk have led to poor acceptance of HHP-treated milk, resulting in a low sensory score. In sum, compared with pasteurization- and pasteurization-HHP-treated milk, HHP-treated milk showed longer shelf life and better nutritional quality, but lower sensory acceptance.
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Liang J, Bin Zulkifli MY, Yong J, Du Z, Ao Z, Rawal A, Scott JA, Harmer JR, Wang J, Liang K. Locking the Ultrasound-Induced Active Conformation of Metalloenzymes in Metal-Organic Frameworks. J Am Chem Soc 2022; 144:17865-17875. [PMID: 36075889 DOI: 10.1021/jacs.2c06471] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enhancing the enzymatic activity inside metal-organic frameworks (MOFs) is a critical challenge in chemical technology and bio-technology, which, if addressed, will broaden their scope in energy, food, environmental, and pharmaceutical industries. Here, we report a simple yet versatile and effective strategy to optimize biocatalytic activity by using MOFs to rapidly "lock" the ultrasound (US)-activated but more fragile conformation of metalloenzymes. The results demonstrate that up to 5.3-fold and 9.3-fold biocatalytic activity enhancement of the free and MOF-immobilized enzymes could be achieved compared to those without US pretreatment, respectively. Using horseradish peroxidase as a model, molecular dynamics simulation demonstrates that the improved activity of the enzyme is driven by an opened gate conformation of the heme active site, which allows more efficient substrate binding to the enzyme. The intact heme active site is confirmed by solid-state UV-vis and electron paramagnetic resonance, while the US-induced enzyme conformation change is confirmed by circular dichroism spectroscopy and Fourier-transform infrared spectroscopy. In addition, the improved activity of the biocomposites does not compromise their stability upon heating or exposure to organic solvent and a digestion cocktail. This rapid locking and immobilization strategy of the US-induced active enzyme conformation in MOFs gives rise to new possibilities for the exploitation of highly efficient biocatalysts for diverse applications.
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Affiliation(s)
- Jieying Liang
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Sydney 2052, New South Wale, Australia
| | - Muhammad Yazid Bin Zulkifli
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Sydney 2052, New South Wale, Australia
| | - Joel Yong
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Sydney 2052, New South Wale, Australia.,Graduate School of Biomedical Engineering, The University of New South Wales, Sydney 2052, New South Wale, Australia
| | - Zeping Du
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Sydney 2052, New South Wale, Australia
| | - Zhimin Ao
- Advanced Interdisciplinary Institute of Environment and Ecology, Beijing Normal University, Zhuhai, 519087, China
| | - Aditya Rawal
- Nuclear Magnetic Resonance Facility, Mark Wainwright Analytical Centre, University of New South Wales, Sydney 2052, New South Wale Australia
| | - Jason A Scott
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Sydney 2052, New South Wale, Australia
| | - Jeffrey R Harmer
- Centre for Advanced Imaging, The University of Queensland, Brisbane 4072, Queensland Australia
| | - Joseph Wang
- Department of Nanoengineering, University of California San Diego, La Jolla 92093, California, United States
| | - Kang Liang
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Sydney 2052, New South Wale, Australia.,Graduate School of Biomedical Engineering, The University of New South Wales, Sydney 2052, New South Wale, Australia
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28
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Stability of acidified milk drinks: Comparison of high hydrostatic pressure (HHP) and thermal treatments. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105512] [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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Gharbi N, Marciniak A, Doyen A. Factors affecting the modification of bovine milk proteins in high hydrostatic pressure processing: An updated review. Compr Rev Food Sci Food Saf 2022; 21:4274-4293. [PMID: 35904187 DOI: 10.1111/1541-4337.13012] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/17/2022] [Accepted: 07/03/2022] [Indexed: 01/28/2023]
Abstract
High hydrostatic pressure (HHP) treatment induces structural changes in bovine milk proteins depending on factors such as the temperature, pH, concentration, decompression rate, cycling, composition of the medium and pressure level and duration. An in-depth understanding of the impact of these factors is important for controlling HHP-induced modification of milk proteins and the interactions within or between them, which can be applied to prevent undesired aggregation, gelation, and precipitation during HHP processing or to obtain specific milk protein modifications to attain specific protein properties. In this regard, understanding the influences of these factors can provide insight into the modulation and optimization of HHP conditions to attain specific milk protein structures. In recent years, there has been a great research attention on HHP-induced changes in milk proteins influenced by factors such as pH, temperature, concentration, cycling, decompression condition, and medium composition. Hence, to provide insight into how these factors control milk protein structures under HHP treatment and to understand if their effects depend on HHP parameters and environmental conditions, this review discusses recent findings on how various factors (pH, temperature, cycling, decompression rate, medium composition, and concentration) affect HHP-induced bovine milk protein modification. Practical Application: The information provided in this review will be very useful to anticipate the challenges related to the formulation and development of pressure-treated milk and dairy products.
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Affiliation(s)
- Negar Gharbi
- Departement of Food Sciences, Institute of Nutrition and Functional Foods (INAF) and Dairy Science and Technology Research Centre (STELA), Laval University, Quebec City, Canada
| | - Alice Marciniak
- Department of Food Science, University of Guelph, Guelph, Canada
| | - Alain Doyen
- Departement of Food Sciences, Institute of Nutrition and Functional Foods (INAF) and Dairy Science and Technology Research Centre (STELA), Laval University, Quebec City, Canada
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30
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Wang M, Wang L, Lyu X, Hua X, Goddard JM, Yang R. Lactulose production from lactose isomerization by chemo-catalysts and enzymes: Current status and future perspectives. Biotechnol Adv 2022; 60:108021. [PMID: 35901861 DOI: 10.1016/j.biotechadv.2022.108021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/02/2022] [Accepted: 07/17/2022] [Indexed: 11/29/2022]
Abstract
Lactulose, a semisynthetic nondigestive disaccharide with versatile applications in the food and pharmaceutical industries, has received increasing interest due to its significant health-promoting effects. Currently, industrial lactulose production is exclusively carried out by chemical isomerization of lactose via the Lobry de Bruyn-Alberda van Ekenstein (LA) rearrangement, and much work has been directed toward improving the conversion efficiency in terms of lactulose yield and purity by using new chemo-catalysts and integrated catalytic-purification systems. Lactulose can also be produced by an enzymatic route offering a potentially greener alternative to chemo-catalysis with fewer side products. Compared to the controlled trans-galactosylation by β-galactosidase, directed isomerization of lactose with high isomerization efficiency catalyzed by the most efficient lactulose-producing enzyme, cellobiose 2-epimerase (CE), has gained much attention in recent decades. To further facilitate the industrial translation of CE-based lactulose biotransformation, numerous studies have been reported on improving biocatalytic performance through enzyme mediated molecular modification. This review summarizes recent developments in the chemical and enzymatic production of lactulose. Related catalytic mechanisms are also highlighted and described in detail. Emerging techniques that aimed at advancing lactulose production, such as the boronate affinity-based technique and molecular biological techniques, are reviewed. Finally, perspectives on challenges and opportunities in lactulose production and purification are also discussed.
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Affiliation(s)
- Mingming Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China; College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China; Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Lu Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China
| | - Xiaomei Lyu
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China
| | - Xiao Hua
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China
| | - Julie M Goddard
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA.
| | - Ruijin Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China.
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31
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Mudgil P, Alkaabi A, Maqsood S. Ultrasonication as a novel processing alternative to pasteurization for camel milk: Effects on microbial load, protein profile, and bioactive properties. J Dairy Sci 2022; 105:6548-6562. [PMID: 35691745 DOI: 10.3168/jds.2021-20979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 04/05/2022] [Indexed: 01/24/2023]
Abstract
Ultrasonic technology presents a promising novel tool in the food industry for the processing of milk and dairy products. In this study, we investigated the effects of ultrasonication (US) as an alternative to thermal pasteurization for stabilization of the bioactive properties of camel milk. Camel and bovine milk samples were subjected to US at 6 different power levels (US1-US6), and 1 set of each type of milk was concurrently subjected to flash heat pasteurization (FHP) for comparative analysis (100 mL; n = 4). The microbiological and bioactive parameters of the samples were analyzed during 7 d of storage at 4°C. In both milk types subjected to US ≥ 140 W (US3), the bacterial load was reduced by almost 4 log cycles and complete reduction of microbial load was achieved with US = 170 W and US = 210 W (US5 and US6 treatments, respectively). No significant changes in protein patterns were observed with either FHP or US treatment. In addition, bioactive properties (cholesteryl esterase and pancreatic lipase inhibition) were either enhanced or retained at US3 or higher. 2,2'-Azino-bis-3-ethylbenzthiazoline-6-sulfonic acid and ferric reducing antioxidant power activities in camel milk were decreased after FHP treatment but increased or retained upon US, particularly at US3 and US4 (160 W). Overall, under our experimental conditions, US4 was effective in completely reducing the microbial count, while concomitantly retaining different bioactive properties of both camel and bovine milk. These outcomes highlight the potential of US at 160 W as an efficient nonthermal alternative processing method for milk.
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Affiliation(s)
- Priti Mudgil
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Amani Alkaabi
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Sajid Maqsood
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, 15551, United Arab Emirates; Zayed Centre of Health Sciences, United Arab Emirates University, Al Ain, 15551, United Arab Emirates.
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32
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Song B, Yao P, Zhang Y, Pang X, Zhang S, Lv J. Ultrasound pretreatment prior to spray drying improve the flowability and water sorption properties of micellar casein concentrate. ULTRASONICS SONOCHEMISTRY 2022; 87:106049. [PMID: 35636155 PMCID: PMC9156992 DOI: 10.1016/j.ultsonch.2022.106049] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/16/2022] [Accepted: 05/23/2022] [Indexed: 05/21/2023]
Abstract
This research investigated the effect of ultrasound (US) pretreatment prior to spray drying on the powder flow and moisture sorption behaviour of micellar casein concentrate (MCC). MCC produced from skim milk microfiltration was sonicated at energy intensity of 0 (control), 47 J/mL (S-2000), 62 J/mL (S-3000) and 76 J/mL (S-4000). The results revealed that US pretreatment significantly increased the average particle size (D50) from 82.46 μm to 100.73 μm and reduced the surface fat content from 19.2% to 13.8%, resulting in decreased basic flow energy, cake energy and cohesion. Besides, the US treated samples showed relatively poor ability to acquire the moisture from the atmosphere than the control. Protein structure analysis showed that α-helix decreased with enhanced US power, while β-sheet and surface hydrophobicity increased, implying hydrophobic groups were exposed and water sorption rate was impeded. As a result, US pretreatment can improve the powder flow and potentially reduce the negative effect of cake formation at high humidity.
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Affiliation(s)
- Bo Song
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Ping Yao
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yumeng Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaoyang Pang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Shuwen Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Jiaping Lv
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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33
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Design and efficiency evaluation of a mid-size serpentine Dean flow UV-C system for the processing of whole milk using computational fluid dynamics and biodosimetry. J FOOD ENG 2022. [DOI: 10.1016/j.jfoodeng.2022.111168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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34
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Meriles SP, Steffolani ME, Penci MC, Curet S, Boillereaux L, Ribotta PD. Effects of low-temperature microwave treatment of wheat germ. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:2538-2544. [PMID: 34687455 DOI: 10.1002/jsfa.11595] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/13/2021] [Accepted: 10/23/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Wheat germ has a great potential byproduct in food formulations for its outstanding nutritional value. To allow valorization, there is a need to inactivate endogenous enzymes such as lipases to avoid lipid oxidation. In the present study, the effects of microwaves on enzyme activity, as well as on functional and physical properties of wheat germ, were evaluated. Microwave treatments were performed at 50, 60 and 70 °C for 5-20 min. RESULTS Lipase activity was severely affected at 60 and 70 °C in contrast to lipoxygenase. Microwave treatment did not cause changes in germ moisture content or color parameters. No significant changes were observed in equilibrium moisture content when comparing the adsorption and desorption processes of raw and microwave-treated wheat germ. The best model to describe sorption process was the Guggenheim-Anderson-De Boer equation. According to the dielectric properties of raw wheat germ, it could be considered as transparent to energy (ε' < 1.87 and ε'' < 0.35). Thermal analysis of proteins showed a low denaturation degree (below 35% to raw material). In addition, some functional properties were enhanced such as oil retention capacity. Conformational changes as a result of microwave treatment were associated with the slight decline observed on the monolayer moisture content. CONCLUSION Microwave treatments of wheat germ at 60 and 70 °C were effective for lipase inactivation. Physical properties did not change drastically after the treatments. Microwave-treated wheat germ could be a good source of high-protein ingredient in food product development. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Silvina P Meriles
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC CONICET), Córdoba, Argentina
| | - Maria E Steffolani
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC CONICET), Córdoba, Argentina
- Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Maria C Penci
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC CONICET), Córdoba, Argentina
- Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
| | | | | | - Pablo D Ribotta
- Instituto de Ciencia y Tecnología de los Alimentos Córdoba (ICYTAC CONICET), Córdoba, Argentina
- Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
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35
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Lemos ÁT, Goodfellow BJ, Delgadillo I, Saraiva JA. NMR metabolic composition profiling of high pressure pasteurized milk preserved by hyperbaric storage at room temperature. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108660] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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36
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Wu N, Zhao Y, Wang Y, Shuang Q. Effects of ultra-high pressure treatment on angiotensin-converting enzyme (ACE) inhibitory activity, antioxidant activity, and physicochemical properties of milk fermented with Lactobacillus delbrueckii QS306. J Dairy Sci 2022; 105:1837-1847. [PMID: 35094856 DOI: 10.3168/jds.2021-20990] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 11/21/2021] [Indexed: 11/19/2022]
Abstract
The present study investigated the influence of ultra-high pressure (UHP) treatment on angiotensin-converting enzyme inhibitory (ACEI) activity and quality of milk fermented with Lactobacillus delbrueckii QS306 after storage. By varying treatment pressure, duration of pressure treatment, and duration of fermentation, optimal process parameters for the UHP treatment of milk fermented with QS306 to enhance ACEI activity were found to be 400 MPa, 10 min, and 48 h, respectively. The degree of ACE inhibition of the fermented milk was 91.63 ± 0.02%. After UHP treatment, ACEI activity, apparent viscosity, concentrations of polypeptides and volatile aromatic substances, umami, and richness had increased significantly, bitterness and astringency were significantly reduced, and antioxidant properties were maintained. In addition, UHP fermented milk maintained a high level of ACEI activity and good quality during storage. Thus, the data represent a valuable reference for improving the storage quality of fermented milk and research for the future development of dairy products with high ACEI activity.
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Affiliation(s)
- Nan Wu
- Department of College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Yue Zhao
- Department of College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Yurong Wang
- Department of College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Quan Shuang
- Department of College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China.
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37
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Can ultrasound treatment replace conventional high temperature short time pasteurization of milk? A critical review. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105375] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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38
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Masotti F, Cattaneo S, Stuknytė M, De Noni I. Current insights into non-thermal preservation technologies alternative to conventional high-temperature short-time pasteurization of drinking milk. Crit Rev Food Sci Nutr 2021; 63:5643-5660. [PMID: 34969340 DOI: 10.1080/10408398.2021.2022596] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Milk is an important nutritional food source characterized by a perishable nature and conventionally thermally treated to guarantee its safety. In recent years, an increasing focus on competing non-thermal food processing technologies has been driven mainly by consumers' expectations for minimally processed products. Due to the heat sensitivity of milk, much research interest has been addressed to mild non-thermal pasteurization processing to keep safety, 'fresh-like' taste and to maintain the organoleptic qualities of raw milk. This review provides an overview of the current literature on non-thermal treatments as standalone alternative technologies to high-temperature short-time (HTST) pasteurization of drinking milk. Results of lab-scale experimentations suggest the feasibility of most emerging non-thermal processing technologies, including high hydrostatic pressure, pulsed electric field, cold plasma, cavitation and light-based technologies, as alternative to thermal treatment of drinking milk with premium in shelf life duration. Nevertheless, a series of regulatory, technological and economical hurdles hinder the industrial scaling-up for most of these substitutes. To date, only high hydrostatic pressure treatments are applied as alone alternative to HTSH pasteurization for processing of "cold pasteurized" drinking milk. Milk submitted to HTST treatment combined to ultraviolet light is currently accepted in EU countries as novel food.
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Affiliation(s)
- Fabio Masotti
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, Milan, Italy
| | - Stefano Cattaneo
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, Milan, Italy
| | - Milda Stuknytė
- Unitech COSPECT - University Technological Platforms Office, Università degli Studi di Milano, Milan, Italy
| | - Ivano De Noni
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, Milan, Italy
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39
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The Effect of Electromagnetic Microwave Radiation on Methane Fermentation of Selected Energy Crop Species. Processes (Basel) 2021. [DOI: 10.3390/pr10010045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The aim of the present study was to determine how thermal stimulation via electromagnetic microwave radiation impacts the yields of biogas and methane produced by methane fermentation of five selected energy crop species in anaerobic reactors. The resultant performance was compared with that of reactors with conventional temperature control. The highest biogas production capacity was achieved for maize silage and Virginia mallow silage (i.e., 680 ± 28 dm3N/kgVS and 506 ± 16 dm3N/kgVS, respectively). Microwave radiation as a method of heating anaerobic reactors provided a statistically-significantly boost in methane production from maize silage (18% increase). Biomethane production from maize silage rose from 361 ± 12 dm3N/kgVS to 426 ± 14 dm3N/kgVS. In the other experimental variants, the differences between methane concentrations in the biogas were non-significant.
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40
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Yun C, Wang S, Gao Y, Zhao Z, Miao N, Shi Y, Ri I, Wang W, Wang H. Optimization of ultrasound-assisted enzymatic pretreatment for enhanced extraction of baicalein and wogonin from Scutellaria baicalensis roots. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1188:123077. [PMID: 34894479 DOI: 10.1016/j.jchromb.2021.123077] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 11/08/2021] [Accepted: 11/30/2021] [Indexed: 01/17/2023]
Abstract
It is of great theoretical interest and industrial significance to improve the extraction efficiency of baicalein and wogonin from Scutellaria baicalensis roots because of their high pharmacological activities. The present study was aimed to establish the optimized ultrasound-assisted enzymatic pretreatment (UAEP) process by which ultrasound irradiation and the exogenous enzyme were simultaneously applied to efficiently transform baicalin and wogonoside into baicalein and wogonin, enhancing their extraction efficiency. Single-factor experiment and Box-Behnken design were used to optimize the main UAEP conditions to maximize the total extraction yield of baicalein and wogonin. The optimized UAEP conditions were cellulase concentration of 1.1%, pH of 5.5, UAEP temperature of 56.5 °C, UAEP time of 39.4 min, and ultrasonic power of 200 W with the total extraction yield of 82.51 ± 0.85 mg/g DW. The comparison of the established technique with the reference method based on the enzymatic pretreatment revealed that the productive efficiency was significantly improved with the transformation rates nearly doubled. These results suggest that the optimized UAEP process has the potential to be applied for the green, simple, and efficient extraction of baicalein and wogonin in the pharmaceutical and food industry.
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Affiliation(s)
- Cholil Yun
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China; College of Forest Science, Kim Il Sung University, Pyongyang 999093, Democratic People's Republic of Korea
| | - Shengfang Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Yuan Gao
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Zhuowen Zhao
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Na Miao
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Yutong Shi
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Ilbong Ri
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China; College of Life Science, Kim Il Sung University, Pyongyang 999093, Democratic People's Republic of Korea
| | - Wenjie Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
| | - Huimei Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
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41
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Bhat ZF, Morton JD, El-Din A. Bekhit A, Kumar S, Bhat HF. Processing technologies for improved digestibility of milk proteins. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.09.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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42
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Zhang X, Chen X, Gong Y, Li Z, Guo Y, Yu D, Pan M. Emulsion gels stabilized by soybean protein isolate and pectin: Effects of high intensity ultrasound on the gel properties, stability and β-carotene digestive characteristics. ULTRASONICS SONOCHEMISTRY 2021; 79:105756. [PMID: 34562736 PMCID: PMC8473777 DOI: 10.1016/j.ultsonch.2021.105756] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/04/2021] [Accepted: 09/13/2021] [Indexed: 05/07/2023]
Abstract
In this study, soybean protein isolate (SPI) and pectin emulsion gels were prepared by thermal induction, and the effects of high intensity ultrasound (HIU) at various powers (0, 150, 300, 450 and 600 W) on the structure, gel properties and stability of emulsion gels were investigated. Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) showed that the interaction between SPI and pectin was enhanced and the crystallinity of the emulsion gels was changed due to the HIU treatment. Confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM) observations revealed that the particle size of the emulsion gels was decreased significantly by HIU treatment. The emulsion gel structure became more uniform and denser, which was conducive to storage stability. In addition, according to the low field nuclear magnetic resonance (LF-NMR) analysis, HIU treatment had no obvious impact on the content of bound water as the power increased to 450 W, while the content of free water decreased gradually and became immobilized water, which indicated that the water holding capacity of the emulsion gels was enhanced. Compared with untreated emulsion gel, differential scanning calorimetry (DSC) analysis showed that the denaturation temperature reached 131.9 ℃ from 128.2 ℃ when treated at 450 W. The chemical stability and bioaccessibility of β-carotene in the emulsion gels were improved significantly after HIU treatment during simulated in vitro digestion.
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Affiliation(s)
- Xin Zhang
- School of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Xing Chen
- School of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Yuhang Gong
- School of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Ziyue Li
- School of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Yanfei Guo
- School of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Dianyu Yu
- School of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Mingzhe Pan
- School of Food Science, Northeast Agricultural University, Harbin, 150030, China.
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43
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Scudino H, Guimarães JT, Cabral L, Centurion VB, Gomes A, Orsi AS, Cunha RL, Sant’Ana AS, Cruz AG. Raw milk processing by high‐intensity ultrasound and conventional heat treatments: Microbial profile by amplicon sequencing and physical stability during storage. INT J DAIRY TECHNOL 2021. [DOI: 10.1111/1471-0307.12819] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Hugo Scudino
- Department of Food Technology Faculty of Veterinary Fluminense Federal University Niterói RJ Brazil
| | - Jonas T Guimarães
- Department of Food Technology Faculty of Veterinary Fluminense Federal University Niterói RJ Brazil
| | - Lucélia Cabral
- Department of General and Applied Biology Institute of Biosciences São Paulo State University (UNESP) Rio Claro SP Brazil
| | - Victor Borin Centurion
- Microbial Resources Division (DRM), Research Center for Chemistry Biology and Agriculture (CPQBA) University of Campinas Campinas SP Brazil
| | - Andresa Gomes
- Department of Food Engineering and Technology Faculty of Food Engineering University of Campinas Campinas SP Brazil
| | - Arthur S Orsi
- Department of Food Technology Faculty of Veterinary Fluminense Federal University Niterói RJ Brazil
- Department of Food Science and Nutrition Faculty of Food Engineering University of Campinas Campinas SP Brazil
| | - Rosiane L Cunha
- Department of Food Engineering and Technology Faculty of Food Engineering University of Campinas Campinas SP Brazil
| | - Anderson S Sant’Ana
- Department of Food Science and Nutrition Faculty of Food Engineering University of Campinas Campinas SP Brazil
| | - Adriano G Cruz
- Department of Food Federal Institute of Science and Technology of Rio de Janeiro Rio de Janeiro RJ Brazil
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44
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Moschopoulou E. Novel Processing Technology of Dairy Products. Foods 2021; 10:foods10102407. [PMID: 34681454 PMCID: PMC8536141 DOI: 10.3390/foods10102407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 10/09/2021] [Indexed: 11/16/2022] Open
Abstract
Milk has been processed into dairy products using traditional methods for hundreds of years [...].
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Affiliation(s)
- Ekaterini Moschopoulou
- Laboratory of Dairy Research, Department of Food Science and Human Nutrition, Iera Odos 75, 11855 Athens, Greece
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45
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Microwave Radiation Influence on Dairy Waste Anaerobic Digestion in a Multi-Section Hybrid Anaerobic Reactor (M-SHAR). Processes (Basel) 2021. [DOI: 10.3390/pr9101772] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Whey is a primary by-product of dairy plants, and one that is often difficult to manage. As whey processing units are costly and complicated, only 15–20% of whey is recycled for use in the food industry. The difficulties in managing waste whey are particularly pronounced for small, local dairy plants. One possible solution to this problem is to use advanced and efficient digesters. The aim of this study was to present an innovative multi-section hybrid anaerobic bioreactor (M-SHAR) design and to identify how microwave radiation heating (MRH) affects methane fermentation of liquid dairy waste (LDW) primarily composed of acid whey. The MRH reactor was found to perform better in terms of COD removal and biogas production compared with the convection-heated reactor. The heating method had a significant differentiating effect at higher organic load rates (OLRs). With OLRs ranging from 15 to 25 kgCOD∙m−3∙d−1, the M-SHAR with MRH ensured a 5% higher COD removal efficiency and 12–20% higher biogas yields.
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Ultrasound-Assisted Transglutaminase Catalysis of the Cross-Linking and Microstructure of αs-Casein, β-Casein and κ-Casein. Processes (Basel) 2021. [DOI: 10.3390/pr9091630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The effects of ultrasonic treatment (UT)-assisted transglutaminase (TGase) catalysis on the physicochemical properties of individual αs-casein (αs-CN), β-casein (β-CN), and κ-casein (κ-CN) were investigated. After 60 min of incubation at 30 °C, αs-CN, β-CN, and κ-CN were cross-linked with TGase (6.0 units/mL), and high molecular weight polymers (>200 kDa) were formed. The use of TGase in conjunction with UT (20 kHz, power of 400 W, and amplitude 20%) led to an increase in the rate of αs-CN, β-CN, and κ-CN polymerization compared to the individual casein that contained TGase but did not undergo UT. SDS-PAGE scrutiny showed that the intensities of αs-CN, β-CN, and κ-CN incubation with regard to TGase and UT at 30 °C for 60 min noticeably decreased to 5.66 ± 0.39, 3.97 ± 0.43, and 26.07 ± 1.18%, respectively (p < 0.05). Particle size analysis results indicated that the molecule size appropriation for the cross-linking of αs-CN, β-CN, and κ-CN ranged from 6000 to 10,000 nm after 60 min incubation with TGase and UT. Transmission electron microscopy investigation showed network structures of cross-linking αs-CN, β-CN, and κ-CN were formed from αs-CN, β-CN, and κ-CN, respectively. As our results show, the comprehensive utilization of TGase and UT will be a superior method for the polymerization of αs-CN, β-CN, and κ-CN.
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Zhang W, Liu Y, Li Z, Xu S, Zhang J, Hettinga K, Zhou P. Effects of microfiltration combined with ultrasonication on shelf life and bioactive protein of skim milk. ULTRASONICS SONOCHEMISTRY 2021; 77:105668. [PMID: 34298307 PMCID: PMC8322453 DOI: 10.1016/j.ultsonch.2021.105668] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/07/2021] [Accepted: 07/10/2021] [Indexed: 05/28/2023]
Abstract
To extend the shelf life and retain bioactive proteins in milk, this study utilized microfiltration (MF) combined with ultrasonication to treat skim milk and investigated its efficiency in removing bacteria and retaining bioactive proteins compared with HTST pasteurization and microfiltration alone. Results showed that microfiltration combined with ultrasonication at 1296 J/mL could completely remove the bacteria in skim milk. Ultrasonication further extended the shelf life (4 °C) of microfiltered skim milk, which could reach at least 40 days when MF was combined with ˃1296 J/mL ultrasonication. In addition, ELISA showed that HTST pasteurization significantly decreased the levels of IgG by ~30%, IgA by ~ 50%, IgM by ~60%, and lactoferrin by ~40%, whereas the activity of the enzymes lactoperoxidase and xanthine oxidase were also decreased by ~ 20%. Compared with HTST, MF alone or combined with ultrasonication retained these bioactive proteins to a larger degree. On the other hand, proteomics indicated both damage to casein micelle and fat globule structures in milk when ultrasonication at >1296 J/mL was applied, as shown by increases in caseins and milk fat globular proteins. Simultaneously, this ultrasound intensity also decreased levels of bioactive proteins, such as complement factors. Taken together, this study provided new insights that may help to implement this novel combination of non-thermal technologies for the dairy industry aimed at improving milk quality and functionality.
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Affiliation(s)
- Wenjin Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu Province, China; International Joint Research Laboratory for Functional Dairy Protein Ingredients, Jiangnan University, 214122 Wuxi, Jiangsu Province, China
| | - Yaowei Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu Province, China; International Joint Research Laboratory for Functional Dairy Protein Ingredients, Jiangnan University, 214122 Wuxi, Jiangsu Province, China
| | - Zhibin Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu Province, China; International Joint Research Laboratory for Functional Dairy Protein Ingredients, Jiangnan University, 214122 Wuxi, Jiangsu Province, China
| | - Shu Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu Province, China; International Joint Research Laboratory for Functional Dairy Protein Ingredients, Jiangnan University, 214122 Wuxi, Jiangsu Province, China
| | - Jie Zhang
- School of Agriculture and Food Science, Faculty of Science, The University of Queensland, St Lucia 4072, Australia
| | - Kasper Hettinga
- Dairy Science and Technology, Food Quality and Design Group, Wageningen University and Research, 6700 AA Wageningen, The Netherlands
| | - Peng Zhou
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu Province, China; International Joint Research Laboratory for Functional Dairy Protein Ingredients, Jiangnan University, 214122 Wuxi, Jiangsu Province, China.
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Serna-Hernandez SO, Escobedo-Avellaneda Z, García-García R, Rostro-Alanis MDJ, Welti-Chanes J. High Hydrostatic Pressure Induced Changes in the Physicochemical and Functional Properties of Milk and Dairy Products: A Review. Foods 2021; 10:1867. [PMID: 34441644 PMCID: PMC8391368 DOI: 10.3390/foods10081867] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/31/2021] [Accepted: 08/03/2021] [Indexed: 11/26/2022] Open
Abstract
High-pressure processing (HPP) is a nonthermal technology used for food preservation capable of generating pasteurized milk products. There is much information regarding the inactivation of microorganisms in milk by HPP, and it has been suggested that 600 MPa for 5 min is adequate to reduce the number of log cycles by 5-7, resulting in safe products comparable to traditionally pasteurized ones. However, there are many implications regarding physicochemical and functional properties. This review explores the potential of HPP to preserve milk, focusing on the changes in milk components such as lipids, casein, whey proteins, and minerals, and the impact on their functional and physicochemical properties, including pH, color, turbidity, emulsion stability, rheological behavior, and sensory properties. Additionally, the effects of these changes on the elaboration of dairy products such as cheese, cream, and buttermilk are explored.
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Affiliation(s)
| | | | | | | | - Jorge Welti-Chanes
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Eugenio Garza Sada 2501, Monterrey 64700, NL, Mexico; (S.O.S.-H.); (Z.E.-A.); (R.G.-G.); (M.d.J.R.-A.)
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Novel technologies for extending the shelf life of drinking milk: Concepts, research trends and current applications. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111746] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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50
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Zhang Q, Li H, Cen C, Zhang J, Wang S, Wang Y, Fu L. Ultrasonic pre-treatment modifies the pH-dependent molecular interactions between β-lactoglobulin and dietary phenolics: Conformational structures and interfacial properties. ULTRASONICS SONOCHEMISTRY 2021; 75:105612. [PMID: 34098127 PMCID: PMC8190473 DOI: 10.1016/j.ultsonch.2021.105612] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 05/27/2021] [Indexed: 05/13/2023]
Abstract
There is a need to understand the ultrasound-induced changes in the interactions between proteins and phenolic compounds at different pH. This study systematically explored the role of high-intensity ultrasound pre-treatment on the binding mechanisms of β-lactoglobulin (β-LG) to two common phenolic compounds, i.e., (-)-epigallocatechin-3-gallate (EGCG) and chlorogenic acid (CA) at neutral and acidic pH (pH 7.2 and 2.4). Tryptophan fluorescence revealed that compared to proteins sonicated at 20% and 50% amplitudes, 35%-amplitude ultrasound pre-treatment (ULG-35) strengthened the binding affinities of EGCG/CA to β-LG without altering the main interaction force. After phenolic addition, ULG-35 displayed a similar but a greater extent of protein secondary and tertiary structural changes than the native protein, ascribed to the ultrasound-driven hydrophobic stacking among interacted molecules. The dominant form of β-LG (dimer/monomer) played a crucial role in the conformational and interfacial properties of complexes, which can be explained by the distinct binding sites at different pH as unveiled by molecular docking. Combining pre-ultrasound with EGCG interaction notably increased the foaming and emulsifying properties of β-LG, providing a feasible way for the modification of bovine whey proteins. These results shed light on the understanding of protein-phenolic non-covalent binding under ultrasound and help to develop complex systems with desired functionality and delivery.
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Affiliation(s)
- Qiaozhi Zhang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Huatao Li
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Congnan Cen
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Jie Zhang
- Food Safety Institute, Science and Technology Research Center of China Customs, Beijing 100026, PR China
| | - Shunyu Wang
- Zhejiang Liziyuan Food Co., LTD, Jinhua 321031, PR China
| | - Yanbo Wang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Linglin Fu
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China.
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