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Tian Y, He Z, He L, Li C, Qiao S, Tao H, Wang X, Zeng X, Tian Y. Effect of freeze-dried protectants on the survival rate and fermentation performance of fermented milk's directed vat set starters. Cryobiology 2024; 114:104811. [PMID: 38061638 DOI: 10.1016/j.cryobiol.2023.104811] [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: 06/08/2023] [Revised: 10/29/2023] [Accepted: 11/27/2023] [Indexed: 03/22/2024]
Abstract
A directed vat set (DVS) starter was proposed to improve the drawbacks of liquid starters in fermented production and enhance the survival rates of B. animalis subsp. lactis BZ11, S. thermophilus Q-1, and Lactiplantibacillus plantarum LB12. The protective agent formula was optimized using the response surface method (RSM), with the survival rate as the benchmark. The best combination of cryoprotectants was determined to be BZ11: 10 % skimmed milk powder, 3 % sodium glutamate, and 15 % trehalose; LB12: 10 % skim milk powder, 5 % glutamate sodium, and 10 % trehalose; Q-1: 10 % skimmed milk powder, 3 % sodium glutamate, and 10 % trehalose. The survival rate of BZ11 significantly increased to 92.87 ± 1.25 %. The DVS fermented milk did not differ significantly from the control group regarding cholesterol removal, live cell counts and pH (p > 0.05). All DVS can be stored for at least 2500 d at -20 °C-this DVS starter for fermented milk benefits from its large-scale and automated commercial production.
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Affiliation(s)
- Yue Tian
- Key Laboratory of Agricultural and Animal Products Store & Processing of Guizhou Province, Guizhou University, Guiyang, 550025, PR China; College of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, PR China.
| | - Zuyan He
- Key Laboratory of Agricultural and Animal Products Store & Processing of Guizhou Province, Guizhou University, Guiyang, 550025, PR China; College of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, PR China.
| | - Laping He
- Key Laboratory of Agricultural and Animal Products Store & Processing of Guizhou Province, Guizhou University, Guiyang, 550025, PR China; College of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, PR China.
| | - Cuiqin Li
- Key Laboratory of Agricultural and Animal Products Store & Processing of Guizhou Province, Guizhou University, Guiyang, 550025, PR China; School of Chemistry and Chemical Engineering, Guizhou University, Guiyang, 550025, PR China.
| | - Shunbin Qiao
- Guizhou Industry Polytechnic College, Guiyang, 550025, PR China.
| | - Han Tao
- Key Laboratory of Agricultural and Animal Products Store & Processing of Guizhou Province, Guizhou University, Guiyang, 550025, PR China; College of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, PR China.
| | - Xiao Wang
- Key Laboratory of Agricultural and Animal Products Store & Processing of Guizhou Province, Guizhou University, Guiyang, 550025, PR China; College of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, PR China.
| | - Xuefeng Zeng
- Key Laboratory of Agricultural and Animal Products Store & Processing of Guizhou Province, Guizhou University, Guiyang, 550025, PR China; College of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, PR China.
| | - Yun Tian
- Changying Township Government of Chaoyang District of Beijing, PR China.
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Dey MK, Devireddy RV. Adult Stem Cells Freezing Processes and Cryopreservation Protocols. Methods Mol Biol 2024; 2783:53-89. [PMID: 38478226 DOI: 10.1007/978-1-0716-3762-3_5] [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] [Indexed: 03/26/2024]
Abstract
The development of simple but effective storage protocols for adult stem cells will greatly enhance their use and utility in tissue-engineering applications. Cryopreservation has shown the most promise but is a fairly complex process, necessitating the use of chemicals called cryoprotective agents (CPAs), freezing equipment, and obviously, storage in liquid nitrogen. The purpose of this chapter is to present a general overview of cryopreservation storage techniques and the optimal protocols/results obtained in our laboratory for long-term storage of adult stem cells using freezing storage.
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Affiliation(s)
- Mohan Kumar Dey
- Bioengineering Laboratory, Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA, USA
| | - Ram V Devireddy
- Bioengineering Laboratory, Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA, USA.
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Wang A, Zhong Q. Drying of probiotics to enhance the viability during preparation, storage, food application, and digestion: A review. Compr Rev Food Sci Food Saf 2024; 23:e13287. [PMID: 38284583 DOI: 10.1111/1541-4337.13287] [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: 07/24/2023] [Revised: 11/18/2023] [Accepted: 12/11/2023] [Indexed: 01/30/2024]
Abstract
Functional food products containing viable probiotics have become increasingly popular and demand for probiotic ingredients that maintain viability and stability during processing, storage, and gastrointestinal digestions. This has resulted in heightened research and development of powdered probiotic ingredients. The aim of this review is to overview the development of dried probiotics from upstream identification to downstream applications in food. Free probiotic bacteria are susceptible to various environmental stresses during food processing, storage, and after ingestion, necessitating additional materials and processes to preserve their activity for delivery to the colon. Various classic and emerging thermal and nonthermal drying technologies are discussed for their efficiency in preparing dehydrated probiotics, and strategies for enhancing probiotic survival after dehydration are highlighted. Both the formulation and drying technology can influence the microbiological and physical properties of powdered probiotics that are to be characterized comprehensively with various techniques. Furthermore, quality control during probiotic manufacturing and strategies of incorporating powdered probiotics into liquid and solid food products are discussed. As emerging technologies, structure-design principles to encapsulate probiotics in engineered structures and protective materials with improved survivability are highlighted. Overall, this review provides insights into formulations and drying technologies required to supplement viable and stable probiotics into functional foods, ensuring the retention of their health benefits upon consumption.
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Affiliation(s)
- Anyi Wang
- Department of Food Science, University of Tennessee, Knoxville, Tennessee, USA
- International Flavors and Fragrances, Palo Alto, California, USA
| | - Qixin Zhong
- Department of Food Science, University of Tennessee, Knoxville, Tennessee, USA
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do Carmo Alves AP, do Carmo Alves A, Ferreira Rodrigues RA, da Silva Cerozi B, Possebon Cyrino JE. Microencapsulation of Bacillus subtilis and oat β-glucan and their application as a synbiotic in fish feed. J Microencapsul 2023; 40:491-501. [PMID: 37254699 DOI: 10.1080/02652048.2023.2220394] [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: 11/26/2022] [Accepted: 05/26/2023] [Indexed: 06/01/2023]
Abstract
To improve survival during storage and exposure to adverse conditions, Bacillus subtilis was microencapsulated with oat β-glucan by spray-drying technology. The characterisation of the microcapsules was designed to compare free and microencapsulated cells through exposure to simulated gastric fluids (SGF) throughout storage for 90 days at different temperatures. The characterisation included analysis of efficiency, morphology, moisture, water activity, hygroscopicity, particle size, and zeta potential. The microcapsules presented a particle size of 1.5 ± 0.34 μm and an encapsulation efficiency of 77.9 ± 3.06%. After SGF, the survival of microencapsulated cells was 8.4 ± 0.07 log CFU mL-1 while that of free cells was 7.6 ± 0.06 log CFU mL-1. After 90 days of storage, only microencapsulated cells remained above 6 log-unit of viability. In conclusion, spray-drying technique combined with the addition of oat β-glucan proved to be an efficient method to protect B. subtilis under storage and SGF with potential application in fish feed.
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Affiliation(s)
- Angélica Priscila do Carmo Alves
- Departamento de Zootecnia, Escola Superior de Agricultura Luiz de Queiroz [ESALQ], Universidade de São Paulo [USP], Piracicaba, São Paulo, Brazil
| | - Amanda do Carmo Alves
- Departamento de Biotecnologia Vegetal, Universidade Federal de Lavras [UFLA], Lavras, Minas Gerais, Brazil
| | - Rodney Alexandre Ferreira Rodrigues
- Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas [CPQBA], Universidade Estadual de Campinas [UNICAMP], Campinas, São Paulo, Brazil
| | - Brunno da Silva Cerozi
- Departamento de Zootecnia, Escola Superior de Agricultura Luiz de Queiroz [ESALQ], Universidade de São Paulo [USP], Piracicaba, São Paulo, Brazil
| | - José Eurico Possebon Cyrino
- Departamento de Zootecnia, Escola Superior de Agricultura Luiz de Queiroz [ESALQ], Universidade de São Paulo [USP], Piracicaba, São Paulo, Brazil
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Nogueira MB, Massaut KB, Vitola HRS, Siqueira MFF, da Silva WP, Fiorentini ÂM. Antagonistic activity of Lactobacillus spp. and Bifidobacterium spp. against cariogenic Streptococcus mutans in vitro and viability when added to chewing gum during storage. Braz J Microbiol 2023; 54:2197-2204. [PMID: 37261620 PMCID: PMC10484890 DOI: 10.1007/s42770-023-01021-2] [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: 01/05/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023] Open
Abstract
The aim of the work was to evaluate antagonistic activity of Lactobacillus spp. and Bifidobacterium spp. in vitro against cariogenic Streptococcus mutans UA 159 and viability in chewing gum, during storage. Antagonistic activity was evaluated in vitro by the "spot on the lawn" test. Two bacteria were chosen and subjected to lyophilization and microencapsulation using the atomization method, containing polyvinylpyrrolidone polymer and lactose as encapsulating agents. For application in food matrices, four treatments were elaborated: chewing gum containing lyophilized B. lactis B94 (BLL), microencapsulated B. lactis B94 (BLE), lyophilized L. brevis (LBL), and microencapsulated L. brevis (LBE). Both microorganisms demonstrated a high capacity for inhibition against S. mutans, when compared to oral antiseptic chlorhexidine 0.2% in vitro, and according to the test of sensitivity profile to proteolytic enzymes, all the bacteria tested are producers of antimicrobial peptides, resulting in the inhibitory activity of the cariogenic bacterium. Furthermore, the viability of B. lactis B94 and L. brevis was maintained after microencapsulation, indicating that the process was efficient, with no significant difference (p < 0.05) between the results. And, in the chewing gum containing the bacteria during the storage period (33 days), it was found that cell immobilization did not significantly influence (p < 0.05) the counts of L. brevis but benefited the viability of B. lactis B94. Therefore, both probiotic bacteria are producers of antimicrobial substances with the ability to inhibit S. mutans, in vitro. The microencapsulation was considered efficient since it influenced the viability of B. lactis B94 (> 8 log CFU/g); however, the microencapsulation did not influence the viability of L. brevis since in both lyophilized and encapsulated form; the concentration of the bacteria remained above 8 log CFU/g during the storage period of the chewing gum.
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Affiliation(s)
| | - Khadija Bezerra Massaut
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Helena Reissig Soares Vitola
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Maria Fernanda Fernandes Siqueira
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Wladimir Padilha da Silva
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Ângela Maria Fiorentini
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil.
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Guerrero Sanchez M, Passot S, Ghorbal S, Campoy S, Olivares M, Fonseca F. Insights into the mechanisms of L. salivarius CECT5713 resistance to freeze-dried storage. Cryobiology 2023; 112:104556. [PMID: 37437859 DOI: 10.1016/j.cryobiol.2023.104556] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/18/2023] [Accepted: 07/09/2023] [Indexed: 07/14/2023]
Abstract
Ligilactobacillus salivarius is a lactic acid bacterium exhibiting several health benefits. However, it is sensitive to freeze-drying and storage in the dried state, thus limiting its commercial exploitation. Our objective was to identify markers of cell resistance by applying multiscale characterization to L. salivarius CECT5713 cell populations exhibiting different resistance to freeze-dried storage. Cells were produced under two different sets of production conditions differing in the culture parameters (temperature, neutralizing solution, and harvesting time) and the protective formulation composition. The culturability, membrane integrity, and cell biochemical composition assessed by Fourier transform infrared (FTIR) micro-spectroscopy were evaluated after freezing, freeze-drying, and subsequent storage at 37 °C. Membrane properties (fatty acid composition, membrane fluidity, and phospholipid organization), as well as matrix physical properties (glass transition temperature and water activity), were determined. The most resistant cells to freeze-dried storage exhibited the highest cyclic fatty acid content and the most rigid membrane. Freeze-drying and storage induced damage to membrane integrity, proteins, nucleic acids, and constituents of the peptidoglycan cell wall. From the FTIR spectra analysis, we propose the minimization of the variations of the 1058 and 1714 cm-1 vibration bands (that arise mainly from symmetric C-O-C stretching and CO stretching, respectively) induced by the freeze-drying process as a marker of storage stability. We confirmed that a matrix with a glass transition temperature at least 50 °C higher than the storage temperature is crucial for L. salivarius CECT5713 storage stability. In addition, this work explored promising FTIR methods for a better understanding of the protection mechanisms involved.
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Affiliation(s)
| | - Stéphanie Passot
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, F-91120, Palaiseau, France
| | - Sarrah Ghorbal
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, F-91120, Palaiseau, France
| | - Sonia Campoy
- Biosearch S.A.U (a Kerry® Company), R&D Department, 18004, Granada, Spain
| | - Monica Olivares
- Biosearch S.A.U (a Kerry® Company), R&D Department, 18004, Granada, Spain
| | - Fernanda Fonseca
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, F-91120, Palaiseau, France.
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7
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Jayaprakash P, Gaiani C, Edorh JM, Borges F, Beaupeux E, Maudhuit A, Desobry S. Comparison of Electrostatic Spray Drying, Spray Drying, and Freeze Drying for Lacticaseibacillus rhamnosus GG Dehydration. Foods 2023; 12:3117. [PMID: 37628116 PMCID: PMC10453923 DOI: 10.3390/foods12163117] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
Spray drying (SD) is extensively used to encapsulate lactic acid bacteria in large-scale industrial applications; however, bacteria combat several harms that reduce their viability. In this study, a novel technique called electrostatic spray drying (ESD) was used to explore the benefits and disadvantages of using electrostatic charge and lower temperatures in the system. Freeze drying (FD) was used as a reference. The effect of different encapsulation agents, like maltodextrin, arabic gum, and skim milk, on the viability of Lacticaseibacillus rhamnosus GG (LGG) was investigated. The initial cell concentration, particle size distribution, aspect ratio, sphericity, scanning-electron-microscopy images, moisture content, water activity, glass transition, rehydration abilities, and survival during storage were compared. Skim milk was proven to be the best protectant for LGG, regardless of the drying process or storage time. A huge reduction in cell numbers (4.49 ± 0.06 log CFU/g) was observed with maltodextrin using SD; meanwhile, it was protected with minimum loss (8.64 ± 0.62 log CFU/g) with ESD. In general, ESD preserved more LGG cells during processing compared to SD, and provided better stability than FD and SD during storage, regardless of the applied voltage. The ESD product analysis demonstrated an efficient LGG preservation, close to FD; therefore, ESD presented to be a promising and scalable substitute for SD and FD.
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Affiliation(s)
- Preethi Jayaprakash
- Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA-Université de Lorraine, 2 Avenue de la Forêt de Haye, BP 20163, 54505 Vandœuvre-lès-Nancy, France; (C.G.)
- Fluid Air, ZA du Ragon, 28 Rue Louis Pasteur, 44119 Treillières, France; (J.-M.E.); (A.M.)
| | - Claire Gaiani
- Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA-Université de Lorraine, 2 Avenue de la Forêt de Haye, BP 20163, 54505 Vandœuvre-lès-Nancy, France; (C.G.)
| | - Jean-Maxime Edorh
- Fluid Air, ZA du Ragon, 28 Rue Louis Pasteur, 44119 Treillières, France; (J.-M.E.); (A.M.)
| | - Frédéric Borges
- Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA-Université de Lorraine, 2 Avenue de la Forêt de Haye, BP 20163, 54505 Vandœuvre-lès-Nancy, France; (C.G.)
| | - Elodie Beaupeux
- Fluid Air, ZA du Ragon, 28 Rue Louis Pasteur, 44119 Treillières, France; (J.-M.E.); (A.M.)
| | - Audrey Maudhuit
- Fluid Air, ZA du Ragon, 28 Rue Louis Pasteur, 44119 Treillières, France; (J.-M.E.); (A.M.)
| | - Stéphane Desobry
- Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA-Université de Lorraine, 2 Avenue de la Forêt de Haye, BP 20163, 54505 Vandœuvre-lès-Nancy, France; (C.G.)
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Chen Y, Wang W, Zhang W, Lan D, Wang Y. Co-encapsulation of probiotics with acylglycerols in gelatin-gum arabic complex coacervates: Stability evaluation under adverse conditions. Int J Biol Macromol 2023; 242:124913. [PMID: 37217064 DOI: 10.1016/j.ijbiomac.2023.124913] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 04/21/2023] [Accepted: 05/13/2023] [Indexed: 05/24/2023]
Abstract
Co-encapsulation of acylglycerols and probiotics may improve the resistance of probiotics to adverse conditions. In this study, three probiotic microcapsule models were constructed using gelatin (GE)-gum arabic (GA) complex coacervate as wall material: microcapsules containing only probiotics (GE-GA), microcapsules containing triacylglycerol (TAG) oil and probiotics (GE-T-GA) and microcapsules containing diacylglycerol (DAG) oil and probiotics (GE-D-GA). The protective effects of three microcapsules on probiotic cells under environmental stresses (freeze-drying, heat treatment, simulated digestive fluid and storage) were evaluated. The results of cell membrane fatty acid composition and Fourier transform infrared (FTIR) spectroscopy revealed that GE-D-GA could improve the fluidity of cell membrane, maintain the stability of protein and nucleic acid structure, and decrease the damage of cell membrane. These characteristics supported the high freeze-dried survival rate (96.24 %) of GE-D-GA. Furthermore, regardless of thermotolerance or storage, GE-D-GA showed the best cell viability retention. More importantly, GE-D-GA provided the best protection for probiotics under simulated gastrointestinal conditions, as the presence of DAG reduced cell damage during freeze-drying and the degree of contact between probiotics and digestive fluids. Therefore, co-microencapsulation of DAG oil and probiotics is a promising strategy to resist adverse conditions.
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Affiliation(s)
- Ying Chen
- Department of Food Science and Engineering, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Weifei Wang
- Sericultural and Agrifood Res Inst, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, China
| | - Weiqian Zhang
- Department of Food Science and Engineering, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Dongming Lan
- Department of Food Science and Engineering, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Yonghua Wang
- Department of Food Science and Engineering, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; Guangdong Youmei Institute of Intelligent Bio-manufacturing, Foshan 528225, China.
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Rosas-Val P, Adhami M, Brotons-Canto A, Gamazo C, Irache JM, Larrañeta E. 3D printing of microencapsulated Lactobacillus rhamnosus for oral delivery. Int J Pharm 2023; 641:123058. [PMID: 37207858 DOI: 10.1016/j.ijpharm.2023.123058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 05/21/2023]
Abstract
3D Printing is an innovative technology within the pharma and food industries that allows the design and manufacturing of novel delivery systems. Orally safe delivery of probiotics to the gastrointestinal tract faces several challenges regarding bacterial viability, in addition to comply with commercial and regulatory standpoints. Lactobacillus rhamnosus CNCM I-4036 (Lr) was microencapsulated in generally recognised as safe (GRAS) proteins, and then assessed for robocasting 3D printing. Microparticles (MP-Lr) were developed and characterised, prior to being 3D printed with pharmaceutical excipients. MP-Lr showed a size of 12.3 ± 4.1 µm and a non-uniform wrinkled surface determined by Scanning Electron Microscopy (SEM). Bacterial quantification by plate counting accounted for 8.68 ±0.6 CFU/g of live bacteria encapsulated within. Formulations were able to keep the bacterial dose constant upon contact with gastric and intestinal pH. Printlets consisted in oval-shape formulations (15 mm × 8 mm × 3.2 mm) of ca. 370 mg of total weight, with a uniform surface. After the 3D printing process, bacterial viability remained even as MP-Lr protected bacteria alongside the process (log reduction of 0.52, p>0.05) in comparison with non-encapsulated probiotic (log reduction of 3.05). Moreover, microparticle size was not altered during the 3D printing process. We confirmed the success of this technology for developing an orally safe formulation, GRAS category, of microencapsulated Lr for gastrointestinal vehiculation.
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Affiliation(s)
- Pablo Rosas-Val
- Nucaps Nanotechnology S.L., Spain; Department of Microbiology & Parasitology, University of Navarra, Spain
| | | | | | - Carlos Gamazo
- Department of Microbiology & Parasitology, University of Navarra, Spain
| | - Juan M Irache
- Department of Technology & Pharmaceutical Chemistry, University of Navarra, Spain
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Influence of encapsulated Lactobacillus plantarum and eugenol on the physicochemical properties and microbial community of fresh-cut apples. Food Chem X 2023; 17:100563. [PMID: 36845503 PMCID: PMC9943851 DOI: 10.1016/j.fochx.2023.100563] [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: 07/04/2022] [Revised: 12/08/2022] [Accepted: 01/05/2023] [Indexed: 01/09/2023] Open
Abstract
This study aimed to evaluate the application of encapsulated L. plantarum and eugenol as potential biocontrol agents in sliced apples. The combined encapsulated L. plantarum and eugenol treatment was more effective than separate encapsulated L. plantarum and eugenol treatments, with regards to browning inhibition and consumers panel test. The application of encapsulated L. plantarum and eugenol reduced the decline of the physicochemical qualities of the samples, and improved the ability of antioxidant enzymes to scavenge reactive oxygen species. Furthermore, reductions in the growth of L. plantarum of only 1.72 log CFU/g were observed after 15 days of storage at 4 °C for samples treated with encapsulated L. plantarum and eugenol. Results suggest the combined encapsulated L. plantarum and eugenol appears to be a promising method to protect fresh-cut apples from food-borne pathogens while maintaining the visual appearance.
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Effects of different pre-freezing temperatures on the freeze-drying survival rate and stability during room temperature storage of Lactiplantibacillus plantarum LIP-1. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Bioaccessibility and Microencapsulation of Lactobacillus sp. to Enhance Nham Protein Hydrolysates in Thai Fermented Sausage. Foods 2022; 11:foods11233846. [PMID: 36496654 PMCID: PMC9736178 DOI: 10.3390/foods11233846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 10/31/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
The development of functional food products is increasingly gaining lots of interest and popularity among stakeholders. The aim of this study was to evaluate the bioaccessibility of three Lactobacillus sp. starter cultures, including Lacticaseibacillus casei KKU-KK1, Lactiplantibacillus pentosus KKU-KK2, and Lactobacillus acidophilus KKU-KK3, in order to enhance the performance of the probiotic potential of Nham protein hydrolysates in Thai fermented sausage using microencapsulation technology. Probiotic microcapsules were created from a novel wall material made up of a combination of glutinous rice flour and inulin through a freeze-drying process. Accordingly, the results of three formulations of Nham probiotic and spontaneous fermentation (control) characterized by their physicochemical and microbiological characteristics displayed a correlation between an increase in the amount of total acidity, the population of lactic acid bacteria, and the generated TCA-soluble peptides, while the pH and total soluble protein gradually decreased under proteolysis during the fermentation time. The fractionation of Nham protein hydrolysates (NPHs) was prepared using a microwave extraction process: NPH-nham1, NPH-nham2, and NPH-nham3 (10 mg/mL with fermentation time 114 h), exhibited the highest DPPH radical-scavenging activity and FRAP-reducing power capacity as well, compared to NPH-nhamcontrol at p < 0.05. Moreover, those NPHs peptides showed dose-dependent inhibiting of selected pathogenic bacteria (E. coli TISTR 073, S. aureus TISTR 029, and Ent. aerogenes TISTR 1540). Anti-microbial properties of NPHs peptides against gram-negative bacteria were higher than against gram-positive bacteria. In conclusion, the bioaccessibility of NPHs peptides was significantly enhanced by micro-encapsulation and showed a potential bioactive characteristic for developing into a probiotic agent.
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Guerrero Sanchez M, Passot S, Campoy S, Olivares M, Fonseca F. Effect of protective agents on the storage stability of freeze-dried Ligilactobacillus salivarius CECT5713. Appl Microbiol Biotechnol 2022; 106:7235-7249. [PMID: 36192613 DOI: 10.1007/s00253-022-12201-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/12/2022] [Accepted: 09/21/2022] [Indexed: 11/25/2022]
Abstract
Ligilactobacillus salivarius is a lactic acid bacterium exhibiting several health benefits but remains commercially underexploited due to its inability to survive during long-term storage in the dried state. Our objective was to study the effect of various protective molecules (maltodextrin, trehalose, antioxidants, and fructooligosaccharides), being efficient on other bacteria, on the freeze-dried stability of L. salivarius CECT5713. The culturability was evaluated after freezing, freeze-drying, and subsequent storage at 37 °C, as well as the biochemical composition of cells in an aqueous environment using Fourier transform infrared (FTIR) micro-spectroscopy. The assignment of principal absorption bands to cellular components was performed using data from the literature on bacteria. The membrane fatty acid composition was determined after freeze-drying and storage. Glass transition temperature of the liquid and freeze-dried bacterial suspensions and water activity of the freeze-dried samples were measured. The best storage stability was observed for the formulations involving maltodextrin and antioxidants. The analysis of the FTIR spectra of freeze-thawed cells and rehydrated cells after freeze-drying and storage revealed that freeze-drying induced damage to proteins, peptidoglycans of the cell wall and nucleic acids. Storage stability appeared to be dependent on the ability of the protective molecules to limit damage during freeze-drying. The inactivation rates of bacteria during storage were analyzed as a function of the temperature difference between the product temperature during sublimation or during storage and the glass transition temperature, allowing a better insight into the stabilization mechanisms of freeze-dried bacteria. Maintaining during the process a product temperature well below the glass transition temperature, especially during storage, appeared essential for L. salivarius CECT5713 storage stability. KEY POINTS: • L. salivarius CECT5713 highly resisted freezing but was sensitive to freeze-drying and storage. • Freeze-drying and storage mainly altered cell proteins, peptidoglycans, and nucleic acids. • A glassy matrix containing maltodextrin and an antioxidant ensured the highest storage stability.
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Affiliation(s)
| | - Stéphanie Passot
- UMR SayFood, Université Paris-Saclay, INRAE, AgroParisTech, 91120, Palaiseau, France
| | - Sonia Campoy
- R&D Department, Biosearch S.A.U (a Kerry® Company), 18004, Granada, Spain
| | - Monica Olivares
- R&D Department, Biosearch S.A.U (a Kerry® Company), 18004, Granada, Spain
| | - Fernanda Fonseca
- UMR SayFood, Université Paris-Saclay, INRAE, AgroParisTech, 91120, Palaiseau, France.
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14
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Singh S, Gupta R, Chawla S, Gauba P, Singh M, Tiwari RK, Upadhyay S, Sharma S, Chanda S, Gaur S. Natural sources and encapsulating materials for probiotics delivery systems: Recent applications and challenges in functional food development. Front Nutr 2022; 9:971784. [PMID: 36211518 PMCID: PMC9534265 DOI: 10.3389/fnut.2022.971784] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
Probiotics are known as the live microorganisms which upon adequate administration elicit a health beneficial response inside the host by decreasing the luminal pH, eliminating the pathogenic bacteria in the gut as well as producing short chain fatty acids (SCFA). With advancements in research; probiotics have been explored as potential ingredients in foods. However, their use and applications in food industry have been limited due to restrictions of maintaining the viability of probiotic cells and targeting the successful delivery to gut. Encapsulation techniques have significant influence on increasing the viability rates of probiotic cells with the successful delivery of cells to the target site. Moreover, encapsulating techniques also prevent the live cells from harsh physiological conditions of gut. This review discusses several encapsulating techniques as well as materials derived from natural sources and nutraceutical compounds. In addition to this, this paper also comprehensively discusses the factors affecting the probiotics viability and evaluation of successful release and survival of probiotics under simulated gastric, intestinal conditions as well as bile, acid tolerant conditions. Lastly applications and challenges of using encapsulated bacteria in food industry for the development of novel functional foods have also been discussed in detail too. Future studies must include investigating the use of encapsulated bacterial formulations in in-vivo models for effective health beneficial properties as well as exploring the mechanisms behind the successful release of these formulations in gut, hence helping us to understand the encapsulation of probiotic cells in a meticulous manner.
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Affiliation(s)
- Shubhi Singh
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India
| | - Rishibha Gupta
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India
| | - Sonam Chawla
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India
| | - Pammi Gauba
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India
| | - Manisha Singh
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India
| | - Raj Kumar Tiwari
- School of Health Sciences, Pharmaceutical Sciences, The University of Petroleum & Energy Studies (UPES), Dehradun, India
| | - Shuchi Upadhyay
- Department of Allied Health Sciences, School of Health Sciences and Technology, The University of Petroleum & Energy Studies (UPES), Dehradun, India
| | | | - Silpi Chanda
- Department of Pharmacognosy, Parmarth College of Pharmacy, Hapur, India
| | - Smriti Gaur
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India
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15
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Kiepś J, Dembczyński R. Current Trends in the Production of Probiotic Formulations. Foods 2022; 11:foods11152330. [PMID: 35954096 PMCID: PMC9368262 DOI: 10.3390/foods11152330] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 02/01/2023] Open
Abstract
Preparations containing probiotic strains of bacteria have a beneficial effect on human and animal health. The benefits of probiotics translate into an increased interest in techniques for the preservation of microorganisms. This review compares different drying methods and their improvements, with specific reference to processing conditions, microorganisms, and protective substances. It also highlights some factors that may influence the quality and stability of the final probiotic preparations, including thermal, osmotic, oxidative, and acidic stresses, as well as dehydration and shear forces. Processing and storage result in the loss of viability and stability in probiotic formulations. Herein, the addition of protective substances, the optimization of process parameters, and the adaptation of cells to stress factors before drying are described as countermeasures to these challenges. The latest trends and developments in the fields of drying technologies and probiotic production are also discussed. These developments include novel application methods, controlled release, the use of food matrices, and the use of analytical methods to determine the viability of probiotic bacteria.
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16
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Wang H, Huang T, Liu K, Yu J, Yao G, Zhang W, Zhang H, Sun T. Protective effects of whey protein hydrolysate on Bifidobacterium animalis ssp. lactis Probio-M8 during freeze-drying and storage. J Dairy Sci 2022; 105:7308-7321. [PMID: 35931487 DOI: 10.3168/jds.2021-21546] [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: 11/08/2021] [Accepted: 04/20/2022] [Indexed: 11/19/2022]
Abstract
We evaluated the potential of whey protein hydrolysate as a lyoprotectant for maintaining the cell viability of Bifidobacterium animalis ssp. lactis Probio-M8 during freeze-drying and subsequent storage. The moisture content and water activity of the lyophilized samples treated by different concentrations of whey protein hydrolysate were ≤5.23 ± 0.33 g/100 g and ≤0.102 ± 0.003, respectively. During storage at 25°C and 30°C, whey protein hydrolysate had a stronger protective effect on B. lactis Probio-M8 than the same concentration of whey protein. Using the Excel tool GinaFit, we estimated the microbial inactivation kinetics during storage. Whey protein hydrolysate reduced cell damage caused by an increase in temperature. Whey protein hydrolysate could protect cells by increasing the osmotic pressure as a compatible solute. Whey protein hydrolysate improved cell membrane integrity and reduced the amounts of reactive oxygen species and malondialdehyde produced. The findings indicated that whey protein hydrolysate was a novel antioxidant lyoprotectant that could protect probiotics during freeze-drying and storage.
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Affiliation(s)
- Haoqian Wang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Tian Huang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Kailong Liu
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Jie Yu
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Guoqiang Yao
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Wenyi Zhang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Heping Zhang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Tiansong Sun
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010018, China; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot, 010018, China.
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17
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Rodklongtan A, Nitisinprasert S, Chitprasert P. Antioxidant activity and the survival-enhancing effect of ascorbic acid on Limosilactobacillus reuteri KUB-AC5 microencapsulated with lactose by spray drying. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Optimization of Ultrasonic-Assisted Bioactive Compound Extraction from Green Soybean ( Glycine max L.) and the Effect of Drying Methods and Storage Conditions on Procyanidin Extract. Foods 2022; 11:foods11121775. [PMID: 35741973 PMCID: PMC9222272 DOI: 10.3390/foods11121775] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 06/14/2022] [Accepted: 06/14/2022] [Indexed: 11/17/2022] Open
Abstract
Green soybean (Glycine max L.) seeds (GSS) are rich in various antioxidants and phytonutrients that are linked to various health benefits. Ultrasound-assisted extraction (UAE) technology was used for extracting the effective components from GSS. A response surface method (RSM) was used to examine the influence of liquid-to-solid ratio and extraction temperature on the bioactive compounds and antioxidant characteristics. The optimal conditions were a liquid-to-solid ratio of 25:1 and a UAE temperature of 40 °C. The observed values coincided well with the predicted values under optimal conditions. Additionally, the effects of drying methods on the procyanidins and antioxidant activities of GSS extract were evaluated. The spray-dried GSS extract contained the highest levels of procyanidins (21.4 ± 0.37 mg PC/g), DPPH (199 ± 0.85 µM Trolox eq/g), and FRAP (243 ± 0.26 µM Trolox eq/g). Spray drying could be the most time- and energy-efficient technique for drying the GSS extract. The present study also assessed the effects of storage temperature and time on procyanidins and antioxidant activities in GSS extract powder. Procyanidins were found to degrade more rapidly at 45 °C than at 25 °C and 35 °C. Storage under 25 °C was appropriate for maintaining the procyanidin contents, DPPH, and FRAP activities in the GSS extract powder. This study contributed to the body of knowledge by explaining the preparation of procyanidin extract powder from GSS, which might be employed as a low-cost supply of nutraceutical compounds for the functional food industry and pharmaceutical sector.
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19
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Hiremath S, Viswanathan P. Oxalobacter formigenes: A new hope as a live biotherapeutic agent in the management of calcium oxalate renal stones. Anaerobe 2022; 75:102572. [PMID: 35443224 DOI: 10.1016/j.anaerobe.2022.102572] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 02/05/2023]
Abstract
Recent advances in understanding the association of gut microbiota with the host have shown evidence of certain bacterial therapeutic potentiality in preventing and treating metabolic diseases. Hyperoxaluria is a severe challenge in nephrology and has led to the novel gut eubiosis as current therapy. The human gut commensal, obligate anaerobic, and intestinal oxalate-degrading strains of Oxalobacter formigenes have drawn a promising significant interest for the next-generation probiotics (NGPs). This nonpathogenic, potential probiotic, and specialist oxalotrophic properties of O. formigenes give a new hope as a live biotherapeutic agent for calcium oxalate renal therapy. Numerous satisfactory outcomes of in vitro and in vivo studies were achieved on evaluating O. formigenes functionality, but the commercial production of this bacterium is yet to be achieved. This bacterium finds diverse application in dietary and endogenous oxalate degradation and the improvement of gut health, on which we concentrated our attention in this review. The relationship between good anaerobic gut bacterial dysbiosis and renal complications is comprehensively discussed to address the need for the development probiotic formulation. However, the commercial production of this bacteria on a broad scale is complex, with numerous obstacles, mainly because they are oxygen-sensitive and difficult to culture. This review will coherently present the current and available methodologies in producing, stabilizing, and delivering these NGPs to treat calcium stones. Moreover, the study presents the extensive work and key milestones achieved in the research on O. formigenes from tale to the truth.
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Affiliation(s)
- Shridhar Hiremath
- Renal Research Laboratory, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, 632 014, Tamil Nadu, India.
| | - Pragasam Viswanathan
- Renal Research Laboratory, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, 632 014, Tamil Nadu, India.
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20
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Yao C, He Z, Li J, E J, Wang R, Zhang Q, Wang J. Effect of glutathione on Lactiplantibacillus plantarum stability during room temperature storage and the underlying mechanism of action. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Obradović N, Volić M, Nedović V, Rakin M, Bugarski B. Microencapsulation of probiotic starter culture in protein–carbohydrate carriers using spray and freeze-drying processes: Implementation in whey-based beverages. J FOOD ENG 2022. [DOI: 10.1016/j.jfoodeng.2022.110948] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Rajam R, Subramanian P. Encapsulation of probiotics: past, present and future. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2022. [DOI: 10.1186/s43088-022-00228-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Abstract
Background
Probiotics are live microbial supplements known for its health benefits. Consumption of probiotics reported to improve several health benefits including intestinal flora composition, resistance against pathogens. In the recent years, there is an increasing trend of probiotic-based food products in the market.
Main body
Probiotics cells are targeted to reach the large intestine, and the probiotics must survive through the acidic conditions of the gastric environment. It is recommended to formulate the probiotic bacteria in the range of 108–109 cfu/g for consumption and maintain the therapeutic efficacy of 106–107 cfu/g in the large intestine. During the gastrointestinal transit, the probiotics will drastically lose its viability in the gastric environment (pH 2). Maintaining cell viability until it reaches the large intestine remains challenging task. Encapsulating the probiotics cells with suitable wall material helps to sustain the survival of probiotics during industrial processing and in gastrointestinal transit. In the encapsulation process, cells are completely enclosed in the wall material, through different techniques including spray drying, freeze drying, extrusion, spray freeze drying, emulsification, etc. However, spray-drying and freeze-drying techniques are successfully used for the commercial formulation; thus, we limited to review those encapsulation techniques.
Short conclusions
The survival rate of spray-dried probiotics during simulated digestion mainly depends on the inlet air temperature, wall material and exposure in the GI condition. And fermentation, pH and freeze-drying time are the important process parameters for maintaining the viability of bacterial cells in the gastric condition. Improving the viability of probiotic cells during industrial processing and extending the cell viability during storage and digestion will be the main concern for successful commercialization.
Graphical abstract
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23
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Insight into a Successful Development of Biocontrol Agents: Production, Formulation, Packaging, and Shelf Life as Key Aspects. HORTICULTURAE 2022. [DOI: 10.3390/horticulturae8040305] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
Biocontrol agents (BCAs) have been proposed and studied over recent decades as a suitable alternative to diminish or substitute synthetic fungicides used to control pre- and postharvest diseases. However, the development of BCAs has many constraints and obstacles that would have to be overcome before they could be successfully implemented in the market. For the BCA commercial development, the microorganism should be mass-produced on a large-scale, and, independently of the method used for the production, a particular plan regarding the formulation of BCAs by multidisciplinary approaches (liquid or solid) is required to optimize the yield, efficacy, and shelf life of the developed product. Unfortunately, not all BCAs can survive the conditions imposed during the formulation process. Improved stability can be achieved by either using special conditions during growing or by adding protective substances to the formulation medium. Finally, BCAs should be formulated in such a way as to guarantee long-term stability and ease of application of the product. Therefore, an accurate range of the packaging conditions should be considered to extend the shelf life of the formulated product, preferably up to two years. Herein, we discussed the main aspects regarding the production, formulation, packaging, and shelf life of BCAs.
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24
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He BL, Xiong Y, Hu TG, Zong MH, Wu H. Bifidobacterium spp. as functional foods: A review of current status, challenges, and strategies. Crit Rev Food Sci Nutr 2022; 63:8048-8065. [PMID: 35319324 DOI: 10.1080/10408398.2022.2054934] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Members of Bifidobacterium are among the first microbes to colonize the human intestine naturally, their abundance and diversity in the colon are closely related to host health. Recently, the gut microbiota has been gradually proven to be crucial mediators of various metabolic processes between the external environment and the host. Therefore, the health-promoting benefits of Bifidobacterium spp. and their applications in food have gradually been widely concerned. The main purpose of this review is to comprehensively introduce general features, colonization methods, and safety of Bifidobacterium spp. in the human gut, highlighting its health benefits and industrial applications. On this basis, the existing limitations and scope for future research are also discussed. Bifidobacteria have beneficial effects on the host's digestive system, immune system, and nervous system. However, the first prerequisite for functioning is to have enough live bacteria before consumption and successfully colonize the colon after ingestion. At present, strain breeding, optimization (e.g., selecting acid and bile resistant strains, adaptive evolution, high cell density culture), and external protection technology (e.g., microencapsulation and protectants) are the main strategies to address these challenges in food application.
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Affiliation(s)
- Bao-Lin He
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou, China
| | - Yong Xiong
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou, China
| | - Teng-Gen Hu
- Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Guangzhou, China
| | - Min-Hua Zong
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou, China
| | - Hong Wu
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou, China
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25
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Nuylert A, Jampaphaeng K, Tani A, Maneerat S. Survival and stability of
Lactobacillus plantarum
KJ03
as a freeze‐dried autochthonous starter culture for application in stink bean fermentation (
Sataw‐Dong
). J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Aem Nuylert
- Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
| | - Krittanon Jampaphaeng
- Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
| | - Akio Tani
- Institute of Plant Science and Resources Okayama University Kurashiki Japan
| | - Suppasil Maneerat
- Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
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26
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Wendel U. Assessing Viability and Stress Tolerance of Probiotics—A Review. Front Microbiol 2022; 12:818468. [PMID: 35154042 PMCID: PMC8829321 DOI: 10.3389/fmicb.2021.818468] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 12/27/2021] [Indexed: 11/26/2022] Open
Abstract
The interest in probiotics has increased rapidly the latest years together with the global market for probiotic products. Consequently, establishing reliable microbiological methods for assuring the presence of a certain number of viable microorganisms in probiotic products has become increasingly important. To assure adequate numbers of viable cells, authorities are enquiring for information on viability rates within a certain shelf-life in colony forming units (CFU). This information is obtained from plate count enumeration, a method that enables detection of bacterial cells based on their ability to replicate. Although performing plate count enumeration is one manner of assessing viability, cells can still be viable without possessing the ability to replicate. Thus, to properly assess probiotic viability, further analysis of a broader group of characteristics using several types of methods is proposed. In addition to viability, it is crucial to identify how well the cells in a probiotic product can survive in the gastrointestinal tract (GIT) and thus be able to mediate the desired health benefit while passing through the human body. A broad spectrum of different assay designs for assessing probiotic gastric tolerance have been used in research and quality control. However, the absence of any consensus on how to assess these qualities makes it difficult to compare between laboratories and to translate the results into in vivo tolerance. This review presents and discusses the complexity of assuring that a probiotic is suitable for beneficial consumption. It summarizes the information that can be subtracted from the currently available methods for assessment of viability and stress tolerance of a probiotic, hereby altogether defined as “activity.” Strengths and limitations of the different methods are presented together with favorable method combinations. Finally, the importance of choosing a set of analyses that reveals the necessary aspects of probiotic activity for a certain product or application is emphasized.
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27
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Majidzadeh Heravi R, Ghiasvand M, Rezaei E, Kargar F. Assessing the viability of three Lactobacillus bacterial species protected in the cryoprotectants containing whey and maltodextrin during freeze-drying process. Lett Appl Microbiol 2021; 74:505-512. [PMID: 34904273 DOI: 10.1111/lam.13631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 12/29/2022]
Abstract
Freeze-drying of bacteria associates with different stresses such as osmotic pressure, temperature and oxidation, and decreases bacterial viability, which seem to reduce by applying cryoprotectants. The present study evaluated the effect of four cryoprotectants on decreasing the stress caused by freeze-drying process among three Lactobacillus species. Additionally, it highlighted the use of whey and maltodextrin as a substitute for peptone and sucrose in cryoprotectants respectively. The viability of lactobacilli was measured after freeze-drying, 1 month of storage at 25 and 4°C. Based on the results, the viability rate of bacteria in protectants during freeze-drying stage was dependent on their strains. The best viability of Lacticaseibacillus rhamnosus GG and Ligilactobacillus salivarius 20687 was, respectively, observed in the protectants containing sucrose and whey, while Lactiplantibacillus plantarum NRRL B-14768 viability was equal in all protectants. The number of live bacteria reduced significantly by storing bacteria for 1 month at 25°C compared to the 4°C storage. During the storage period, the viability of L. salivarius improved by adding sucrose in protectant. Due to the positive effect of whey and sucrose in the drying and storage stage, on bacterial viability, the protectant consisting of whey and sucrose is suggested for all of the species under study.
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Affiliation(s)
- R Majidzadeh Heravi
- Department of Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| | - M Ghiasvand
- Department of Microbiology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - E Rezaei
- Department of Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| | - F Kargar
- Department of Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
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28
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Guerrero Sanchez M, Passot S, Campoy S, Olivares M, Fonseca F. Ligilactobacillus salivarius functionalities, applications, and manufacturing challenges. Appl Microbiol Biotechnol 2021; 106:57-80. [PMID: 34889985 DOI: 10.1007/s00253-021-11694-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 11/25/2022]
Abstract
Ligilactobacillus salivarius is a lactic acid bacteria that has been gaining attention as a promising probiotic. Numerous strains exhibit functional properties with health benefits such as antimicrobial activity, immunological effects, and the ability to modulate the intestinal microbiota. However, just a small number of them are manufactured at an industrial scale and included in commercial products. The under exploitation of L. salivarius strains that remain in the freezer of companies is due to their incapacity to overcome the environmental stresses induced by production and stabilization processes.The present study summarizes the functionalities and applications of L. salivarius reported to date. It aims also at providing a critical evaluation of the literature available on the manufacturing steps of L. salivarius concentrates, the bacterial quality after each step of the process, and the putative degradation and preservation mechanisms. Here, we highlight the principal issues and future research challenges for improving the production and long-term preservation at the industrial scale of this microorganism, and probably of other probiotics.Key points• L. salivarius beneficial properties and commercialized products.• Production conditions and viability of L. salivarius after stabilization processes.• Prospects for identifying preservation mechanisms to improve L. salivarius stability.
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Affiliation(s)
| | - S Passot
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 78850, Thiverval-Grignon, France
| | - S Campoy
- R&D Department, Biosearch Life, 18004, Granada, Spain
| | - M Olivares
- R&D Department, Biosearch Life, 18004, Granada, Spain
| | - F Fonseca
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 78850, Thiverval-Grignon, France.
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29
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Flow cytometric analysis reveals culture condition dependent variations in phenotypic heterogeneity of Limosilactobacillus reuteri. Sci Rep 2021; 11:23567. [PMID: 34876641 PMCID: PMC8651721 DOI: 10.1038/s41598-021-02919-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 11/24/2021] [Indexed: 11/08/2022] Open
Abstract
Optimisation of cultivation conditions in the industrial production of probiotics is crucial to reach a high-quality product with retained probiotic functionality. Flow cytometry-based descriptors of bacterial morphology may be used as markers to estimate physiological fitness during cultivation, and can be applied for online monitoring to avoid suboptimal growth. In the current study, the effects of temperature, initial pH and oxygen levels on cell growth and cell size distributions of Limosilactobacillus reuteri DSM 17938 were measured using multivariate flow cytometry. A pleomorphic behaviour was evident from the measurements of light scatter and pulse width distributions. A pattern of high growth yielding smaller cells and less heterogeneous populations could be observed. Analysis of pulse width distributions revealed significant morphological heterogeneities within the bacterial cell population under non-optimal growth conditions, and pointed towards low temperature, high initial pH, and high oxygen levels all being triggers for changes in morphology towards cell chain formation. However, cell size did not correlate to survivability after freeze-thaw or freeze-drying stress, indicating that it is not a key determinant for physical stress tolerance. The fact that L. reuteri morphology varies depending on cultivation conditions suggests that it can be used as marker for estimating physiological fitness and responses to its environment.
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30
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He Z, Zhang X, Sun R, Chen J, E J, Yao C, Zhang Q, Bao Q, Wang J. Effects of three different gas environments on the storage stability of Lactobacillus plantarum LIP-1 at room temperature. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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31
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Stability of Encapsulated Lactobacillus reuteri during Harsh Conditions, Storage Period, and Simulated In Vitro Conditions. J FOOD QUALITY 2021. [DOI: 10.1155/2021/3872190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Viability of probiotics in the foods and human bodies is important, because a certain minimum count of bacteria is necessary to impose health promoting effects. In the present work, we encapsulated Lactobacillus reuteri within whey protein isolate (WPI), soy protein isolate (SPI), WPI + inulin (WPI4I), and SPI + inulin (SPI4I) through spray drying method and investigated the efficiency of the microcapsules on the protection of the cells under different conditions (heat, salt, bile salt, penicillin, pH, simulated gastrointestinal condition, and storage). The particle size of the samples was in the range of 195.2–358.1 nm. The sensitivity of unencapsulated bacteria to heat was considerably higher than that to the encapsulated bacteria, so that, at 80°C, no growth (of unencapsulated type) was observed. At 60°C and 40°C, the cell count of free bacteria decreased to 5.81 and 8.04 log CFU/mL, respectively. The bacteria encapsulated within SPI4I showed the highest viability at these temperatures. A comparison between the effects of different pH values showed pH 1.5 more lethal than 2.5 and 7. The effect of NaCl at 4% concentration on decreasing the bacterial count was more notable than 2%. However, the used wall materials in all conditions resulted in higher viability of the cells compared to the free cells. Among different types of wall materials, it was observed that WPI4I imposed the best protective effect. The higher viability of cells within WPI4I wall material was also observed during the storage time. The viability of encapsulated cells decreased from 10.35 to 10.40 log CFU/g in the first week and to 8.93–9.23 log CFU/g in the last week of storage.
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32
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RAMA GR, DULLIUS D, AGNOL WD, ESQUERDO VM, LEHN DN, SOUZA CFVD. Ricotta whey supplemented with gelatin and collagen for the encapsulation of probiotic lactic acid bacteria. FOOD SCIENCE AND TECHNOLOGY 2021. [DOI: 10.1590/fst.19720] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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33
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Gao X, Kong J, Zhu H, Mao B, Cui S, Zhao J. Lactobacillus, Bifidobacterium and Lactococcus response to environmental stress: Mechanisms and application of cross-protection to improve resistance against freeze-drying. J Appl Microbiol 2021; 132:802-821. [PMID: 34365708 DOI: 10.1111/jam.15251] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 06/12/2021] [Accepted: 07/07/2021] [Indexed: 01/30/2023]
Abstract
The review deals with lactic acid bacteria in characterizing the stress adaptation with cross-protection effects, mainly associated with Lactobacillus, Bifidobacterium and Lactococcus. It focuses on adaptation and cross-protection in Lactobacillus, Bifidobacterium and Lactococcus, including heat shocking, cold stress, acid stress, osmotic stress, starvation effect, etc. Web of Science, Google Scholar, Science Direct, and PubMed databases were used for the systematic search of literature up to the year 2020. The literature suggests that a lower survival rate during freeze-drying is linked to environmental stress. Protective pretreatment under various mild stresses can be applied to lactic acid bacteria which may enhance resistance in a strain-dependent manner. We investigate the mechanism of damage and adaptation under various stresses including heat, cold, acidic, osmotic, starvation, oxidative and bile stress. Adaptive mechanisms include synthesis of stress-induced proteins, adjusting the composition of cell membrane fatty acids, accumulating compatible substances, etc. Next, we reveal the cross-protective effect of specific stress on the other environmental stresses. Freeze-drying is discussed from three perspectives including the regulation of membrane, accumulation of compatible solutes and the production of chaperones and stress-responsive proteases. The resistance of lactic acid bacteria against technological stress can be enhanced via cross-protection, which improves industrial efficiency concerning the survival of probiotics. However, the adaptive responses and cross-protection are strain-dependent and should be optimized case by case.
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Affiliation(s)
- Xinwei Gao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, P.R. China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Jie Kong
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Hongkang Zhu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Bingyong Mao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, P.R. China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Shumao Cui
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, P.R. China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, P.R. China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
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34
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Moreira MTC, Martins E, Perrone ÍT, de Freitas R, Queiroz LS, de Carvalho AF. Challenges associated with spray drying of lactic acid bacteria: Understanding cell viability loss. Compr Rev Food Sci Food Saf 2021; 20:3267-3283. [PMID: 34146458 DOI: 10.1111/1541-4337.12774] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 04/18/2021] [Accepted: 04/26/2021] [Indexed: 12/26/2022]
Abstract
Lactic acid bacteria (LAB) cultures used in food fermentation are often dried to reduce transportation costs and facilitate handling during use. Dried LAB ferments are generally lyophilized to ensure high cell viability. Spray drying has come to the forefront as a promising technique due to its versatility and lower associated energy costs. Adverse conditions during spray drying, such as mechanical stress, dehydration, heating, and oxygen exposure, can lead to low LAB cell viability. This reduced viability has limited spray drying's industrial applications thus far. This review aims to demonstrate the operations and thermodynamic principles that govern spray drying, then correlate them to the damage suffered by LAB cells during the spray-drying process. The particularities of spray drying that might cause LAB cell death are detailed in this review, and the conclusion may enhance future studies on ways to improve cell viability.
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Affiliation(s)
| | - Evandro Martins
- Inovaleite Laboratory, Department of Food Technology, Universidade Federal de Viçosa (UFV), Viçosa, Brazil
| | - Ítalo Tuler Perrone
- Pharmaceutical Sciences Department, Universidade Federal de Juiz de Fora, Minas Gerais, Brazil
| | - Rosângela de Freitas
- Inovaleite Laboratory, Department of Food Technology, Universidade Federal de Viçosa (UFV), Viçosa, Brazil
| | - Lucas Sales Queiroz
- Inovaleite Laboratory, Department of Food Technology, Universidade Federal de Viçosa (UFV), Viçosa, Brazil
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35
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Use of whey protein isolate and gum Arabic for the co-encapsulation of probiotic Lactobacillus plantarum and phytosterols by complex coacervation: Enhanced viability of probiotic in Iranian white cheese. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106496] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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36
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Romano N, Marro M, Marsal M, Loza-Álvarez P, Gomez-Zavaglia A. Fructose derived oligosaccharides prevent lipid membrane destabilization and DNA conformational alterations during vacuum-drying of Lactobacillus delbrueckii subsp. bulgaricus. Food Res Int 2021; 143:110235. [PMID: 33992348 DOI: 10.1016/j.foodres.2021.110235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/08/2021] [Accepted: 02/14/2021] [Indexed: 11/26/2022]
Abstract
Dehydration of lactic acid bacteria for technological purposes conducts to multilevel damage of bacterial cells. The goal of this work was to determine at which molecular level fructose-oligosaccharides (FOS) and sucrose protect Lactobacillus delbrueckii subsp. bulgaricus CIDCA 333 during the vacuum-drying process. To achieve this aim, the cultivability and metabolic activity of vacuum-dried bacteria were firstly determined (plate counting and absorbance kinetics). Then, the membrane integrity and fluidity were assessed using propidium iodide and Laurdan probes (general polarization -GP-), respectively. Finally, bacterial structural alterations were determined using high throughput methods (fluorescence confocal microscopy and Raman spectroscopy coupled to Multivariate Curve Resolution analysis -MCR-). The vacuum-drying process directly affected the microorganism's cultivability and membrane integrity. Non-dehydrated cells and sugar protected bacteria (both with FOS or sucrose) presented high GP values typical from the gel state, as well as phospholipids microdomains laterally organized along the cytoplasmic membrane. On the contrary, bacteria dehydrated without protectants presented low GP values and greater water penetration, associated with membrane destabilization. Raman spectroscopy of vacuum-dried cells revealed DNA conformational changes, B-DNA conformations being associated to non-dehydrated or sugar protected bacteria, and A-DNA conformations being higher in bacteria vacuum-dried without protectants. These results support the role of FOS and sucrose as protective compounds, not only acting at the membrane organizational level but also preventing conformational alterations of intracellular structures, like DNA.
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Affiliation(s)
- Nelson Romano
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata) RA1900, La Plata, Argentina.
| | - Monica Marro
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona, Spain.
| | - Maria Marsal
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona, Spain
| | - Pablo Loza-Álvarez
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona, Spain
| | - Andrea Gomez-Zavaglia
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata) RA1900, La Plata, Argentina
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37
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Dantas A, Verruck S, Liz GR, Hernandez E, Prudencio ES. Lactose‐free skim milk and prebiotics as carrier agents
of Bifidobacterium
BB‐12 microencapsulation: physicochemical properties, survival during storage and
in vitro
gastrointestinal condition behaviour. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14823] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Adriana Dantas
- Postgraduate Program in Food Engineering Technology Center Federal University of Santa Catarina Trindade Florianópolis SC88040‐970Brazil
| | - Silvani Verruck
- Department of Food Science and Technology Agricultural Sciences Center Federal University of Santa Catarina Rod. Admar Gonzaga, 1346, Itacorubi Florianópolis SC88.034‐001Brazil
| | - Gabriela Rodrigues Liz
- Department of Food Science and Technology Agricultural Sciences Center Federal University of Santa Catarina Rod. Admar Gonzaga, 1346, Itacorubi Florianópolis SC88.034‐001Brazil
| | - Eduard Hernandez
- Department of Agri‐Food Engineering and Biotechnology Universitat Politécnica de Catalunya BarcelonaTech 8 Castelldefels08860Spain
| | - Elane Schwinden Prudencio
- Postgraduate Program in Food Engineering Technology Center Federal University of Santa Catarina Trindade Florianópolis SC88040‐970Brazil
- Department of Food Science and Technology Agricultural Sciences Center Federal University of Santa Catarina Rod. Admar Gonzaga, 1346, Itacorubi Florianópolis SC88.034‐001Brazil
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38
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Efficient kefiran production by Lactobacillus kefiranofaciens ATCC 43761 in submerged cultivation: Influence of osmotic stress and nonionic surfactants, and potential bioactivities. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.09.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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39
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Wang G, Chen P, Yu X, Xia Y, Yan LT, Ai L. C18:1 Improves the Freeze-Drying Resistance of Lactobacillus plantarum by Maintaining the Cell Membrane. ACS APPLIED BIO MATERIALS 2020; 3:4933-4940. [PMID: 35021737 DOI: 10.1021/acsabm.0c00444] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Increasing knowledge about lactic acid bacteria as fermentation starters and probiotics to improve health has led to a growing awareness of their application potential. Despite a long history of applying cryoprotectants, the maintenance of probiotic viability is still a major challenge. In this study, we implemented a strategy and explored its mechanisms in detail. We found that the survival rates after freeze-drying were positively correlated with the relative concentration of the octadecenoic acid (C18:1) and with the ratio of unsaturated to saturated FAs (U/S ratio). The addition of C18:1 significantly improved the survival of L. plantarum after freeze-drying. Contrary to the most commonly used cryoprotectants, the addition of C18:1 did not affect the glass transition temperature or collapse temperature. We predicted that the cell membrane characteristics would be significantly degraded during the drying stage, but C18:1 can effectively maintain the cell membrane integrity and fluidity. Our experiments confirmed those predictions, and simultaneously found that the enzyme activities of key enzymes of glucose metabolism were increased compared with the control group. These finding indicate that C18:1 might serve as a lyoprotectant to maintain the cell membrane integrity and fluidity, and thereby increasing the survival rate of L. plantarum after freeze-drying. This study constitutes a strategy to safeguard bacterial viability.
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Affiliation(s)
- Guangqiang Wang
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Pengyu Chen
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Xiaoqing Yu
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yongjun Xia
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Li-Tang Yan
- Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Lianzhong Ai
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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40
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Development of enteric polymer-based microspheres by spray-drying for colonic delivery of Lactobacillus rhamnosus GG. Int J Pharm 2020; 584:119414. [DOI: 10.1016/j.ijpharm.2020.119414] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/05/2020] [Accepted: 05/06/2020] [Indexed: 01/13/2023]
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41
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Tang HW, Abbasiliasi S, Murugan P, Tam YJ, Ng HS, Tan JS. Influence of freeze-drying and spray-drying preservation methods on survivability rate of different types of protectants encapsulated Lactobacillus acidophilus FTDC 3081. Biosci Biotechnol Biochem 2020; 84:1913-1920. [PMID: 32448058 DOI: 10.1080/09168451.2020.1770572] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The aims of this study were to compare the effectiveness of different drying methods and to investigate the effects of adding a series of individual protectant such as skim milk, sucrose, maltodextrin, and corn starch for preserving Lactobacillus acidophilus FTDC 3081 cells during spray and freeze-drying and storage at different temperatures. Results showed a remarkable high survival rate of 70-80% immediately after spray- and freeze-drying in which the cell viability retained at the range of 109 to 1010 CFU/mL. After a month of storage, maltodextrin showed higher protective ability on both spray- and freeze-dried cells as compared to other protective agents at 4°C, 25°C, and 40°C. A complete loss in viability of spray-dried L. acidophilus FTDC 3081 was observed after a month at 40°C in the absence of protective agent.
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Affiliation(s)
- Hock Wei Tang
- Bioprocess Technology, School of Industrial Technology, Universiti Sains Malaysia , Gelugor, Malaysia
| | - Sahar Abbasiliasi
- Halal Products Research Institute, Universiti Putra Malaysia , Selangor, Malaysia
| | - Paramasivam Murugan
- Bioprocess Technology, School of Industrial Technology, Universiti Sains Malaysia , Gelugor, Malaysia
| | - Yew Joon Tam
- Faculty of Health and Life Sciences, INTI International University , Nilai, Malaysia
| | - Hui Suan Ng
- Faculty of Applied Sciences, UCSI University , Kuala Lumpur, Malaysia
| | - Joo Shun Tan
- Bioprocess Technology, School of Industrial Technology, Universiti Sains Malaysia , Gelugor, Malaysia
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42
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Jiang N, Dev Kumar G, Chen J, Mishra A, Mis Solval K. Comparison of concurrent and mixed-flow spray drying on viability, growth kinetics and biofilm formation of Lactobacillus rhamnosus GG microencapsulated with fish gelatin and maltodextrin. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109200] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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43
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Wang GQ, Pu J, Yu XQ, Xia YJ, Ai LZ. Influence of freezing temperature before freeze-drying on the viability of various Lactobacillus plantarum strains. J Dairy Sci 2020; 103:3066-3075. [PMID: 32037182 DOI: 10.3168/jds.2019-17685] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 11/28/2019] [Indexed: 12/23/2022]
Abstract
Although freeze-drying is an excellent method for preserving microorganisms, it inevitably reduces cell activity and function. Moreover, probiotic strains differ in terms of their sensitivity to the freeze-drying process. Therefore, it is necessary to optimize the variables relevant to this process. The pre-freezing temperature is a critical parameter of the freeze-drying process, but it remains unclear whether the optimal pre-freezing temperature differs among strains and protectants. This study explored the effects of 4 different pre-freezing temperatures on the survival rates of different Lactobacillus plantarum strains after freeze-drying in the presence of different protectants. Using phosphate-buffered saline solution and sorbitol as protectants, pre-freezing at -196°C, -40°C, and -20°C ensured the highest survival rates after freeze-drying for AR113, AR307, and WCFS1, respectively. Using trehalose, pre-freezing at -20°C ensured the best survival rate for AR113, and -60°C was the best pre-freezing temperature for AR307 and WCFS1. These results indicate that the pre-freezing temperature can be changed to improve the survival rate of L. plantarum, and that this effect is strain-specific. Further studies have demonstrated that pre-freezing temperature affected viability via changes in cell membrane integrity, membrane permeability, and lactate dehydrogenase activity. In summary, pre-freezing temperature is a crucial factor in L. plantarum survival after freeze-drying, and the choice of pre-freezing temperature depends on the strain and the protectant.
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Affiliation(s)
- Guang-Qiang Wang
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Jing Pu
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Xiao-Qing Yu
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yong-Jun Xia
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Lian-Zhong Ai
- Shanghai Engineering Research Center of Food Microbiology, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
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44
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Zacarías MF, Reinheimer JA, Vinderola G, Kulozik U, Ambros S. Effects of conventional and nonconventional drying on the stability of
Bifidobacterium animalis
subsp.
lactis
INL1. INT J DAIRY TECHNOL 2020. [DOI: 10.1111/1471-0307.12684] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- María Florencia Zacarías
- Instituto de Lactología Industrial (INLAIN, UNL‐CONICET) Facultad de Ingeniería Química Universidad Nacional del Litoral Santiago del Estero 2829 3000 Santa Fe Argentina
| | - Jorge A Reinheimer
- Instituto de Lactología Industrial (INLAIN, UNL‐CONICET) Facultad de Ingeniería Química Universidad Nacional del Litoral Santiago del Estero 2829 3000 Santa Fe Argentina
| | - Gabriel Vinderola
- Instituto de Lactología Industrial (INLAIN, UNL‐CONICET) Facultad de Ingeniería Química Universidad Nacional del Litoral Santiago del Estero 2829 3000 Santa Fe Argentina
| | - Ulrich Kulozik
- Chair of Food and Bioprocess Engineering Technical University of Munich 85354 Freising Germany
| | - Sabine Ambros
- Chair of Food and Bioprocess Engineering Technical University of Munich 85354 Freising Germany
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45
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Li K, Wang B, Wang W, Liu G, Ge W, Zhang M, Yue B, Kong M. Microencapsulation of Lactobacillus casei BNCC 134415 under lyophilization enhances cell viability during cold storage and pasteurization, and in simulated gastrointestinal fluids. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108521] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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46
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Rama GR, Kuhn D, Beux S, Maciel MJ, Volken de Souza CF. Potential applications of dairy whey for the production of lactic acid bacteria cultures. Int Dairy J 2019. [DOI: 10.1016/j.idairyj.2019.06.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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47
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Symbiotic microencapsulation of Lactococcus lactis subsp. lactis R7 using whey and inulin by spray drying. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108411] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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48
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Marcial-Coba MS, Knøchel S, Nielsen DS. Low-moisture food matrices as probiotic carriers. FEMS Microbiol Lett 2019; 366:5281433. [PMID: 30629190 DOI: 10.1093/femsle/fnz006] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 01/06/2019] [Indexed: 12/21/2022] Open
Abstract
To exert a beneficial effect on the host, adequate doses of probiotics must be administered and maintaining their viability until consumption is thus essential. Dehydrated probiotics exhibit enhanced long-term viability and can be incorporated into low-moisture food matrices, which also possess high stability at refrigeration and ambient temperature. However, several factors associated with the desiccation process, the physicochemical properties of the matrix and the storage conditions can affect probiotic survival. In the near future, an increased demand for probiotics based on functionally dominant members of the gut microbiome ('next-generation probiotics', NGP) is expected. NGPs are very sensitive to oxygen and efficient encapsulation protocols are needed. Strategies to improve the viability of traditional probiotics and particularly of NGPs involve the selection of a suitable carrier as well as proper desiccation and protection techniques. Dehydrated probiotic microcapsules may constitute an alternative to improve the microbial viability during not only storage but also upper gastrointestinal tract passage. Here we review the main dehydration techniques that are applied in the industry as well as the potential stresses associated with the desiccation process and storage. Finally, low- or intermediate-moisture food matrices suitable as carriers of traditional as well as NGPs will be discussed.
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Affiliation(s)
- Martín Sebastián Marcial-Coba
- Department of Food Science, Faculty of Science, University of Copenhagen, Copenhagen, Rolighedsvej 26, DK-1958 Frederiksberg, Denmark
| | - Susanne Knøchel
- Department of Food Science, Faculty of Science, University of Copenhagen, Copenhagen, Rolighedsvej 26, DK-1958 Frederiksberg, Denmark
| | - Dennis Sandris Nielsen
- Department of Food Science, Faculty of Science, University of Copenhagen, Copenhagen, Rolighedsvej 26, DK-1958 Frederiksberg, Denmark
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Probiotic survival and in vitro digestion of L. salivarius spp. salivarius encapsulated by high homogenization pressures and incorporated into a fruit matrix. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.05.088] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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50
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Terpou A, Papadaki A, Lappa IK, Kachrimanidou V, Bosnea LA, Kopsahelis N. Probiotics in Food Systems: Significance and Emerging Strategies Towards Improved Viability and Delivery of Enhanced Beneficial Value. Nutrients 2019; 11:E1591. [PMID: 31337060 PMCID: PMC6683253 DOI: 10.3390/nu11071591] [Citation(s) in RCA: 287] [Impact Index Per Article: 57.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/02/2019] [Accepted: 07/10/2019] [Indexed: 12/31/2022] Open
Abstract
Preserving the efficacy of probiotic bacteria exhibits paramount challenges that need to be addressed during the development of functional food products. Several factors have been claimed to be responsible for reducing the viability of probiotics including matrix acidity, level of oxygen in products, presence of other lactic acid bacteria, and sensitivity to metabolites produced by other competing bacteria. Several approaches are undertaken to improve and sustain microbial cell viability, like strain selection, immobilization technologies, synbiotics development etc. Among them, cell immobilization in various carriers, including composite carrier matrix systems has recently attracted interest targeting to protect probiotics from different types of environmental stress (e.g., pH and heat treatments). Likewise, to successfully deliver the probiotics in the large intestine, cells must survive food processing and storage, and withstand the stress conditions encountered in the upper gastrointestinal tract. Hence, the appropriate selection of probiotics and their effective delivery remains a technological challenge with special focus on sustaining the viability of the probiotic culture in the formulated product. Development of synbiotic combinations exhibits another approach of functional food to stimulate the growth of probiotics. The aim of the current review is to summarize the strategies and the novel techniques adopted to enhance the viability of probiotics.
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Affiliation(s)
- Antonia Terpou
- Food Biotechnology Group, Department of Chemistry, University of Patras, GR-26500 Patras, Greece
| | - Aikaterini Papadaki
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece
| | - Iliada K Lappa
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece
| | - Vasiliki Kachrimanidou
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece
| | - Loulouda A Bosnea
- Hellenic Agricultural Organization DEMETER, Institute of Technology of Agricultural Products, Dairy Department, Katsikas, 45221 Ioannina, Greece.
| | - Nikolaos Kopsahelis
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece.
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