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Yadav M, Kumar S, Parsana Y, Chauhan N, Tyagi N, Mondal G, Samanta AK. Non-encapsulated, encapsulated, and lyophilized probiotic Limosilactobacillus reuteri SW23 influenced the growth and gut health in calves. Sci Rep 2024; 14:7657. [PMID: 38561353 PMCID: PMC10984972 DOI: 10.1038/s41598-024-57353-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 03/18/2024] [Indexed: 04/04/2024] Open
Abstract
The present study was conducted to assess the impact of non-encapsulated, air-dried microencapsulated, and lyophilized microencapsulated probiotics in indigenous cattle calves (Bos indicus). Twenty-four (5-7 days old) indigenous cattle calves were selected and assigned into four groups, with six calves in each as follows: control (CON), fed milk and basal diet alone, and treatment groups supplemented with non-encapsulated (NEC), air-dried microencapsulated (AEC) and lyophilized microencapsulated (LEC) probiotic L. reuteri SW23 at 108 CFU/head/day in skim milk as a carrier provided for 60 days. The animals were divided into four groups, adopting a complete randomized design, and the effects were considered significant at p ≤ 0.05. Probiotics supplementation increased (p < 0.05) body weight gain (kg), average daily gain, and structural growth measurements in calves of all treatment groups. Dry matter intake (g/d), feed conversion efficiency, and fecal counts of Lactobacilli and Bifidobacteria were also increased in the treatment groups compared to CON. The fecal consistency index was highest in CON (0.70 ± 0.03), followed by NEC (0.68 ± 0.01), AEC (0.66 ± 0.02), and LEC (0.65 ± 0.02). Fecal pH and ammonia levels were reduced (p < 0.05) in the probiotic-fed groups compared to CON, with a concomitant increase in fecal lactate, acetate, and propionate levels. In addition, cell-mediated and humoral immunity were significantly increased in supplemented groups as compared to CON. Thus, it can be concluded that supplementation of the probiotics in microencapsulated/non-encapsulated forms to neonatal calves had a variety of positive effects on their health, including better performance, improved gut health, and a lower fecal consistency index. Moreover, among all supplemented groups, the lyophilized microencapsulated group outperformed air-dried microencapsulated and non-microencapsulated groups in terms of ADG, DMI, and gut health.
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Affiliation(s)
- Manish Yadav
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, Haryana, 132001, India
| | - Sachin Kumar
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, Haryana, 132001, India.
| | - Yash Parsana
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, Haryana, 132001, India
| | - Nutan Chauhan
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, Haryana, 132001, India
| | - Nitin Tyagi
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, Haryana, 132001, India
| | - Goutam Mondal
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, Haryana, 132001, India
| | - Ashis Kumar Samanta
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, Haryana, 132001, India
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2
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Sun W, Nguyen QD, Süli BK, Alarawi F, Szécsi A, Gupta VK, Friedrich LF, Gere A, Bujna E. Microencapsulation and Application of Probiotic Bacteria Lactiplantibacillus plantarum 299v Strain. Microorganisms 2023; 11:microorganisms11040947. [PMID: 37110370 PMCID: PMC10144244 DOI: 10.3390/microorganisms11040947] [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: 03/13/2023] [Revised: 03/28/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023] Open
Abstract
Microencapsulation is an up-and-coming technology for maintaining the viability of probiotics. However, the effect of core-to-wall ratios and ratios of polysaccharides on the protection of the Lactiplantibacillus plantarum 299v strain has not been deeply discussed. Lyophilization of the Lp. plantarum 299v strain was conducted, and different core-to-wall ratios and ratios of maltodextrin (MD) and resistant starch (RS) were applied. Results demonstrated that the content of MD and RS had an influence on the yield and bulk density in both core-to-wall ratios (1:1 and 1:1.5). In addition, samples coated with a core-to-wall ratio of 1:1.5 had significantly higher viability than those coated with a core-to-wall ratio of 1:1. Moreover, samples coated with core-to-wall ratios of 1:1 and MD:RS 1:1, as well as core-to-wall ratios of 1:1.5 and MD:RS 3:1, had the highest cell number after simulated gastric fluid and simulated intestinal fluid testing, respectively. Furthermore, the optimal formulation for the application of microencapsulated Lp. plantarum 299v in apple juice (serving as a functional beverage) is listed as follows: core-to-wall ratios of 1:1 and MD:RS 1:1, with the fortification method, and stored at 4 °C. After 11 weeks of storage, the cell count was 8.28 log (CFU/mL). This study provided a strategy for Lp. plantarum 299v to achieve high viability in long-term storage and provides an application in functional apple beverages.
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Affiliation(s)
- Weizhe Sun
- Department of Bioengineering and Alcoholic Drink Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 45, H-1118 Budapest, Hungary
| | - Quang D Nguyen
- Department of Bioengineering and Alcoholic Drink Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 45, H-1118 Budapest, Hungary
| | - Botond Kálmán Süli
- Department of Bioengineering and Alcoholic Drink Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 45, H-1118 Budapest, Hungary
| | - Firas Alarawi
- Department of Bioengineering and Alcoholic Drink Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 45, H-1118 Budapest, Hungary
| | - Anett Szécsi
- Department of Bioengineering and Alcoholic Drink Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 45, H-1118 Budapest, Hungary
| | - Vijai Kumar Gupta
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh EH9 3JG, UK
| | - László Ferenc Friedrich
- Department of Livestock and Food Preservation Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 45, H-1118 Budapest, Hungary
| | - Attila Gere
- Department of Post-Harvest Technology, Trade, Supply Chain and Sensory Evaluation, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Villányi út 29-43, H-1118 Budapest, Hungary
| | - Erika Bujna
- Department of Bioengineering and Alcoholic Drink Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 45, H-1118 Budapest, Hungary
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3
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Hu R, Dong D, Hu J, Liu H. Improved viability of probiotics encapsulated in soybean protein isolate matrix microcapsules by coacervation and cross-linking modification. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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4
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Üçok G, Sert D. Trial productions of freeze-dried Lactobacillus plantarum culture using dairy by-products as cryoprotectants: Viability and characterization of cultures. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2021.101541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Differences in Acid Stress Response of Lacticaseibacillus paracasei Zhang Cultured from Solid-State Fermentation and Liquid-State Fermentation. Microorganisms 2021; 9:microorganisms9091951. [PMID: 34576848 PMCID: PMC8465097 DOI: 10.3390/microorganisms9091951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/06/2021] [Accepted: 09/07/2021] [Indexed: 12/20/2022] Open
Abstract
Liquid-state fermentation (LSF) and solid-state fermentation (SSF) are two forms of industrial production of lactic acid bacteria (LAB). The choice of two fermentations for LAB production has drawn wide concern. In this study, the tolerance of bacteria produced by the two fermentation methods to acid stress was compared, and the reasons for the tolerance differences were analyzed at the physiological and transcriptional levels. The survival rate of the bacterial agent obtained from solid-state fermentation was significantly higher than that of bacteria obtained from liquid-state fermentation after spray drying and cold air drying. However, the tolerance of bacterial cells obtained from liquid-state fermentation to acid stress was significantly higher than that from solid-state fermentation. The analysis at physiological level indicated that under acid stress, cells from liquid-state fermentation displayed a more solid and complete membrane structure, higher cell membrane saturated fatty acid, more stable intracellular pH, and more stable activity of ATPase and glutathione reductase, compared with cells from solid-state fermentation, and these physiological differences led to better tolerance to acid stress. In addition, transcriptomic analysis showed that in the cells cultured from liquid-state fermentation, the genes related to glycolysis, inositol phosphate metabolism, and carbohydrate transport were down-regulated, whereas the genes related to fatty acid synthesis and glutamate metabolism were upregulated, compared with those in cells from solid-state fermentation. In addition, some genes related to acid stress response such as cspA, rimP, rbfA, mazF, and nagB were up-regulated. These findings provide a new perspective for the study of acid stress tolerance of L. paracasei Zhang and offer a reference for the selection of fermentation methods of LAB production.
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Novel approaches for co-encapsulation of probiotic bacteria with bioactive compounds, their health benefits and functional food product development: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.01.039] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Impact of Media Heat Treatment on Cell Morphology and Stability of L. acidophilus, L. johnsonii and L. delbrueckii subsp. delbrueckii during Fermentation and Processing. FERMENTATION 2020. [DOI: 10.3390/fermentation6040094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Manufacturers of starter cultures and probiotics aim to provide preparations with the highest possible amount of living cells and assurance of long-term storage stability. Thereby the industrial economy and thus an efficient outcome of the processes is of utmost importance. Earlier research has shown that the sterilization procedure of the microbial culture medium tremendously impacts growth performance of heating product-sensitive Lactobacillus strains. Thus, three different strains, i.e., L. acidophilus NCFM, L. johnsonii La-2801 and L. delbrueckii subsp. delbrueckii La-0704, were investigated for the influence of media heat pretreatment on cell morphology and stability during fermentation and further freeze drying and storage. The data indicate a relationship between the heating time of the culture medium, which is associated with an increase in browning reactions, and the cultural characteristics of the three strains. The resulting characteristic cell sizes of the cultures could be a major reason for the different stability properties during processing and storage that were observed. Besides the obvious relevance of the results for the production of starter cultures and probiotics, the pleomorphic phenomenon described here could also be a subject for other biotechnological processes, where heat-mediated media conversions, and thereby related cellular effects, could be a topic. Future studies have to show if further functional properties are influenced by the cell morphology and which cellular mechanisms lead to the observed pleomorphism.
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Nasran HS, Mohd Yusof H, Halim M, Abdul Rahman N. Optimization of Protective Agents for The Freeze-Drying of Paenibacillus polymyxa Kp10 as a Potential Biofungicide. Molecules 2020; 25:molecules25112618. [PMID: 32512825 PMCID: PMC7321406 DOI: 10.3390/molecules25112618] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/06/2020] [Accepted: 04/14/2020] [Indexed: 11/16/2022] Open
Abstract
Anthracnose is a fungal disease causing major losses in crop production. Chemical fungicides widely used in crop plantations to combat fungal infections can be a threat to the environment and humans in the long term. Recently, biofungicides have gained much interest as an alternative to chemical fungicides due to their environmentally friendly nature. Biofungicide products in powder form can be formulated using the freeze-drying technique to provide convenient storage. Protective agent formulation is needed in maintaining the optimal viable cells of biofungicide products. In this study, 8.10 log colony-forming unit (CFU)/mL was the highest cell viability of Paenibacillus polymyxa Kp10 at 22 h during incubation. The effects of several selected protective agents on the viability of P. polymyxa Kp10 after freeze-drying were studied. Response surface methodology (RSM) was used for optimizing formulation for the protective agents. The combination of lactose (10% w/v), skim milk (20% w/v), and sucrose (27.5% w/v) was found to be suitable for preserving P. polymyxa Kp10 during freeze-drying. Further, P. polymyxa Kp10 demonstrated the ability to inhibit fungal pathogens, Colletotrichum truncatum and C. gloeosporioides, at 60.18% and 66.52% of inhibition of radial growth, respectively.
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Affiliation(s)
- Hayatun Syamila Nasran
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia; (H.S.N.); (H.M.Y.); (M.H.)
| | - Hidayat Mohd Yusof
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia; (H.S.N.); (H.M.Y.); (M.H.)
| | - Murni Halim
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia; (H.S.N.); (H.M.Y.); (M.H.)
- Bioprocessing and Biomanufacturing Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia
| | - Nor’Aini Abdul Rahman
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia; (H.S.N.); (H.M.Y.); (M.H.)
- Bioprocessing and Biomanufacturing Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia
- Correspondence:
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Gul LB, Gul O, Yilmaz MT, Dertli E, Con AH. Optimization of cryoprotectant formulation to enhance the viability of
Lactobacillus brevis
ED25: Determination of storage stability and acidification kinetics in sourdough. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14400] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Latife Betul Gul
- Department of Food Engineering Faculty of Engineering Ondokuz Mayis University Samsun Turkey
| | - Osman Gul
- Department of Food Engineering Faculty of Engineering and Architecture Kastamonu University Kastamonu Turkey
| | - Mustafa Tahsin Yilmaz
- Department of Industrial Engineering Faculty of Engineering King Abdulaziz University Jeddah Saudi Arabia
- Department of Food Engineering Faculty of Chemical and Metallurgical Engineering Yıldız Technical University İstanbul Turkey
| | - Enes Dertli
- Department of Food Engineering Faculty of Engineering Bayburt University Bayburt Turkey
| | - Ahmet Hilmi Con
- Department of Food Engineering Faculty of Engineering Ondokuz Mayis University Samsun Turkey
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10
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Statistical modelling for optimized lyophilization of Lactobacillus acidophilus strains for improved viability and stability using response surface methodology. AMB Express 2018; 8:129. [PMID: 30097787 PMCID: PMC6086920 DOI: 10.1186/s13568-018-0659-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 08/02/2018] [Indexed: 12/04/2022] Open
Abstract
The awareness regarding use of probiotics for health benefits has created a huge market worldwide. The use of probiotic cultures and its success in commercial scale is relying on the techniques employed to ensure that the potential cultures with desired functional activity are stable and viable for longer period. The present study was undertaken to statistically evaluate the effect of lyoprotectant in the suspension media containing sucrose and reconstituted skim milk on the viability of Lactobacillus acidophilus strains. The central composite rotatable design of response surface methodology was used in evaluating the survival rate and viability even after 24 months’ storage of three different lyophilized strains of L. acidophilus. We also determined the exclusive use of lyoprotectant on the survival of the lyophilized strains throughout the study period without altering any of the culture conditions. The most conspicuous result to emerge from the data is that the suspension medium composed of minimal amount of sucrose (~ 1.2%) in the reconstituted skim milk (6%) was evident in maintaining a higher survival rate of lyophilized culture during 2-year storage. From this investigation, the optimized suspension media used to obtain the lyophilized concentrate of L. acidophilus could be recommended in designing dietary supplement with minimal modification for industrial application. This might reduce the manufacturing cost as well as storage loss occurring both in pharma and food sector.
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11
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Zhou H, Li S, Chen Y, Zhang Q, Bai X, Zhu C, Liu H, Wang L, Wu C, Pan X, Wu C. Evaluation of Streptococcus thermophilus IFFI 6038 Microcapsules Prepared Using an Ultra-fine Particle Processing System. AAPS PharmSciTech 2018; 19:1020-1028. [PMID: 29110293 DOI: 10.1208/s12249-017-0907-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 10/13/2017] [Indexed: 11/30/2022] Open
Abstract
Microencapsulation technology has the potential to protect probiotics and to deliver them to the gut, and extrusion is one of the most commonly used methods. However, the rather large diameters of 1~5 mm produced tend to cause oral grittiness and result in low compliance. In this article, Streptococcus thermophilus IFFI 6038 (IFFI 6038) microcapsules were prepared using an ultra-fine particle processing system (UPPS) previously developed by this research group. IFFI 6038 suspension was pumped by a peristaltic pump to the feeding inlet nozzle and then dispersed into micro-droplets by a rotating disk, followed by solidification. Trehalose (16%) was used as a cryoprotectant to protect IFFI 6038 from damage by lyophilization used in the process. Alginate (3%) resulted in IFFI 6038 microcapsules with a median particle diameter (d 50) of 29.32 ± 0.12 μm and a span value of 1.00 ± 0.02, indicating uniform particle size distribution. To evaluate the potential of microencapsulation in protecting IFFI 6038 from the gastric conditions, the viable counts of IFFI 6038 following incubation of IFFI 6038 microcapsules in simulated gastric juices for 120 min were determined and compared with those of free IFFI 6038. The stability of microencapsulated IFFI 6038 upon storage for 3 months at 4°C and 25°C, respectively, was also determined. The results showed that microcapsules prepared by UPPS protected IFFI 6038 from gastric conditions. The results from a rat diarrhea model showed that microcapsules prepared by the UPPS method were able to effectively improve the diarrhea conditions in rats.
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12
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Shu G, Wang Z, Chen L, Wan H, Chen H. Characterization of freeze-dried Lactobacillus acidophilus in goat milk powder and tablet: Optimization of the composite cryoprotectants and evaluation of storage stability at different temperature. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2017.12.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Zhou HB, Chen J, Li S, Zhang J, Zhu CE, Ran H, Luo M, Pan X, Hu H, Wu C. Preparation of Acid-Resistant Microcapsules with Shell-Matrix Structure to Enhance Stability of Streptococcus Thermophilus IFFI 6038. J Food Sci 2017; 82:1978-1984. [PMID: 28696506 DOI: 10.1111/1750-3841.13774] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 04/26/2017] [Accepted: 05/07/2017] [Indexed: 12/22/2022]
Abstract
Microencapsulation is an effective technology used to protect probiotics against harsh conditions. Extrusion is a commonly used microencapsulation method utilized to prepare probiotics microcapsules that is regarded as economical and simple to operate. This research aims to prepare acid-resistant probiotic microcapsules with high viability after freeze-drying and optimized storage stability. Streptococcus thermophilus IFFI 6038 (IFFI 6038) cells were mixed with trehalose and alginate to fabricate microcapsules using extrusion. These capsules were subsequently coated with chitosan to obtain chitosan-trehalose-alginate microcapsules with shell-matrix structure. Chitosan-alginate microcapsules (without trehalose) were also prepared using the same method. The characteristics of the microcapsules were observed by measuring the freeze-dried viability, acid resistance, and long-term storage stability of the cells. The viable count of IFFI 6038 in the chitosan-trehalose-alginate microcapsules was 8.34 ± 0.30 log CFU g-1 after freeze-drying (lyophilization), which was nearly 1 log units g-1 greater than the chitosan-alginate microcapsules. The viability of IFFI 6038 in the chitosan-trehalose-alginate microcapsules was 6.45 ± 0.09 log CFU g-1 after 120 min of treatment in simulated gastric juices, while the chitosan-alginate microcapsules only measured 4.82 ± 0.22 log CFU g-1 . The results of the long-term storage stability assay indicated that the viability of IFFI 6038 in chitosan-trehalose-alginate microcapsules was higher than in chitosan-alginate microcapsules after storage at 25 °C. Trehalose played an important role in the stability of IFFI 6038 during storage. The novel shell-matrix chitosan-trehalose-alginate microcapsules showed optimal stability and acid resistance, demonstrating their potential as a delivery vehicle to transport probiotics.
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Affiliation(s)
- Huan Bin Zhou
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Jiashu Chen
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Shunyi Li
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Jianpan Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Chun E Zhu
- Inst. for Biomedical and Pharmaceutical Sciences, Guangdong Univ. of Technology, Guangzhou, 510006, PR, China
| | - Hao Ran
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Meihua Luo
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China.,Research and Development Center of Pharmaceutical Engineering, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Haiyan Hu
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China.,Research and Development Center of Pharmaceutical Engineering, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
| | - Chuanbin Wu
- School of Pharmaceutical Sciences, Sun Yat-sen Univ., Guangzhou, 510006, PR, China.,Research and Development Center of Pharmaceutical Engineering, Sun Yat-sen Univ., Guangzhou, 510006, PR, China
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Gomaa EZ. Cryoprotection of probiotic bacteria with poly-γ-glutamic acid produced by Bacillus subtilis and Bacillus licheniformis. J Genet Eng Biotechnol 2016; 14:269-279. [PMID: 30647625 PMCID: PMC6299871 DOI: 10.1016/j.jgeb.2016.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Revised: 09/20/2016] [Accepted: 10/17/2016] [Indexed: 11/24/2022]
Abstract
Poly-γ-glutamic acid (γ-PGA) is a naturally occurring biopolymer made up of repeating units of glutamic acid and can be potentially used for multiple applications. This study compared the production of γ-PGA by Bacillus subtilis and Bacillus licheniformis in GS and E media. The highest γ-PGA production was achieved using initial glycerol concentration of 40 and 80 g/l, ammonium chloride as the nitrogen source, 20 g/l glutamic acid at pH 6.5 for 72 h using E medium. On characterization, it was observed that glutamic acid was the sole component of the purified material. It contained a mixture of Na-γ-PGA and H+-γ-PGA. The survival of probiotics during freeze drying was improved by combining them with γ-PGA polymer. For Lactobacilli, 10% γ-PGA protected the cells significantly than 10% sucrose during freeze drying. γ-PGA protection was shown to improve the viability of probiotic bacteria in orange juice for 40 days. No considerable change was observed in the concentrations of citric acid, malic acid and ascorbic acid when probiotic bacteria and γ-PGA were introduced into orange juice and hence, it could be used as a non-dairy delivery platform for these bacteria.
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Affiliation(s)
- Eman Zakaria Gomaa
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo, Egypt
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15
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Kaewiad K, Kaewnopparat N, Faroongsarng D, Wungsintaweekul J, Kaewnopparat S. Optimisation of bambara groundnut water extract and skim milk composition as cryoprotectant for increasing cell viability ofLactobacillusspp. using response surface methodology. Int J Food Sci Technol 2016. [DOI: 10.1111/ijfs.13249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Kanyanat Kaewiad
- Department of Pharmaceutical Technology; Faculty of Pharmaceutical Sciences; Prince of Songkla University; Hat Yai Songkhla 90112 Thailand
| | - Nattha Kaewnopparat
- Department of Pharmaceutical Technology; Faculty of Pharmaceutical Sciences; Prince of Songkla University; Hat Yai Songkhla 90112 Thailand
| | - Damrongsak Faroongsarng
- Department of Pharmaceutical Technology; Faculty of Pharmaceutical Sciences; Prince of Songkla University; Hat Yai Songkhla 90112 Thailand
| | - Juraithip Wungsintaweekul
- Department of Pharmacognosy and Pharmaceutical Botany; Faculty of Pharmaceutical Sciences; Prince of Songkla University; Hat Yai Songkhla 90112 Thailand
| | - Sanae Kaewnopparat
- Department of Pharmaceutical Technology; Faculty of Pharmaceutical Sciences; Prince of Songkla University; Hat Yai Songkhla 90112 Thailand
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16
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Broeckx G, Vandenheuvel D, Claes IJ, Lebeer S, Kiekens F. Drying techniques of probiotic bacteria as an important step towards the development of novel pharmabiotics. Int J Pharm 2016; 505:303-18. [DOI: 10.1016/j.ijpharm.2016.04.002] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 04/01/2016] [Accepted: 04/01/2016] [Indexed: 02/07/2023]
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17
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Alonso S. Novel Preservation Techniques for Microbial Cultures. NOVEL FOOD FERMENTATION TECHNOLOGIES 2016. [DOI: 10.1007/978-3-319-42457-6_2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Gwak HJ, Lee JH, Kim TW, Choi HJ, Jang JY, Lee SI, Park HW. Protective effect of soy powder and microencapsulation on freeze-dried Lactobacillus brevis WK12 and Lactococcus lactis WK11 during storage. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0287-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Keivani Nahr F, Mokarram RR, Hejazi MA, Ghanbarzadeh B, Sowti Khiyabani M, Zoroufchi Benis K. Optimization of the nanocellulose based cryoprotective medium to enhance the viability of freeze dried Lactobacillus plantarum using response surface methodology. Lebensm Wiss Technol 2015. [DOI: 10.1016/j.lwt.2015.06.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Pyar H, Peh KK. Cost effectiveness of cryoprotective agents and modified De-man Rogosa Sharpe medium on growth of Lactobacillus acidophilus. Pak J Biol Sci 2015; 17:462-71. [PMID: 25911832 DOI: 10.3923/pjbs.2014.462.471] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The effect of cryoprotective agents (namely, sodium chloride, sucrose, dextran, sorbitol, monosodium glutamate, glycerol, skim milk and skim milk with malt extract) and modified De-Man Rogosa Sharpe (MRS) medium, on the viability and stability of L. acidophilus ATCC 4962, was investigated. The modified MRS medium was not only economical, but it gave a relatively higher yield of L. acidophilus ATCC 4962 than the commercial MRS. Monosodium glutamate, skim milk and skim milk with malt extract provided significantly higher viable counts, with optimum concentration at 0.3%. Nevertheless, at concentration above 0.5%, there was a reduction in cell viability, which could be attributed to cell shrinkage associated with osmotic pressure changes inside the cells. It was also found that L. acidophilus ATCC 4962 was stable at 28 degrees C for eight weeks. Skim milk demonstrated a significant growth of probiotics. Skim milk was the preferred cryoprotective agent, as it is of low cost, easily available and demonstrated a significant growth of probiotics. In conclusion, modified MRS medium with skim milk is suggested for the remarkable growth and yield of L. acidophilus.
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Hongpattarakere T, Uraipan S. Bifidogenic characteristic and protective effect of saba starch on survival of Lactobacillus plantarum CIF17AN2 during vacuum-drying and storage. Carbohydr Polym 2015; 117:255-261. [DOI: 10.1016/j.carbpol.2014.09.065] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 06/02/2014] [Accepted: 09/18/2014] [Indexed: 10/24/2022]
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22
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Yang S, Li H. Optimization of pine pollen fermentation conditions using Lactobacillus paracasei. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0021-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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23
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Tian W, Song J, Wang Y, Yue L, Wang J, Dan T, Menghe B, Zhang H. Effect of different calcium salts and methods for triggering gelation on the characteristics of microencapsulated Lactobacillus plantarum LIP-1. RSC Adv 2015. [DOI: 10.1039/c5ra13354h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Probiotic Lactobacillus plantarum isolate LIP-1 was microencapsulated in milk protein matrices by means of rennet-induced gelation combined with an emulsification technique.
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Affiliation(s)
- Wenjing Tian
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
| | - Jiaojiao Song
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
| | - Yali Wang
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
| | - Linfang Yue
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
| | - Junguo Wang
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
| | - Tong Dan
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
| | - Bilige Menghe
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
| | - Heping Zhang
- Key Laboratory of Dairy Biotechnology and Engineering
- Ministry of Education
- Inner Mongolia Agricultural University
- Hohhot
- China
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Chen H, Chen S, Li C, Shu G. Response Surface Optimization of Lyoprotectant forLactobacillus bulgaricusDuring Vacuum Freeze-Drying. Prep Biochem Biotechnol 2014; 45:463-75. [DOI: 10.1080/10826068.2014.923451] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Improved probiotic viability in stress environments with post-culture of alginate–chitosan microencapsulated low density cells. Carbohydr Polym 2014; 108:10-6. [DOI: 10.1016/j.carbpol.2014.02.084] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 02/19/2014] [Accepted: 02/27/2014] [Indexed: 11/19/2022]
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26
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Vera Pingitore E, Juárez Tomás MS, Wiese B, Nader-Macías MEF. Design of novel urogenital pharmabiotic formulations containing lactobacilli, salivaricin CRL 1328 and non-microbial compounds with different functionalities. Drug Dev Ind Pharm 2014; 41:942-52. [DOI: 10.3109/03639045.2014.917092] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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27
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Montel Mendoza G, Pasteris SE, Otero MC, Fatima Nader-Macías ME. Survival and beneficial properties of lactic acid bacteria from raniculture subjected to freeze-drying and storage. J Appl Microbiol 2013; 116:157-66. [PMID: 24118924 DOI: 10.1111/jam.12359] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Revised: 09/17/2013] [Accepted: 09/30/2013] [Indexed: 11/30/2022]
Abstract
AIM To evaluate the effect of freeze-drying and storage conditions on the viability and beneficial properties of lactic acid bacteria (LAB) for raniculture. METHODS AND RESULTS Lactococcus lactis CRL 1584, L. lactis CRL 1827, Lactococcus garvieae CRL 1828 and Lactobacillus plantarum CRL 1606 viability under different conditions was studied. 10% lactose and 5% skim milk + 5% lactose were excellent lyoprotectants, but 5% skim milk + 5% lactose and whey protein concentrated (WPC) or WPC + sugars were the lower cost lyoprotective options. The effect of temperature depended on both lyoprotectants and storage time. Thus, for Lactococcus, skim milk, skim milk + sucrose and WPC + sucrose were selected for lyophilization and storage at 4°C and skim milk + lactose for 25°C. For Lact. plantarum CRL 1606, the best lyoprotectants for lyophilization and storage at 4°C were milk + sugars and WPS + sucrose and, at 25°C, skim milk + sucrose. CONCLUSIONS Lactic acid bacteria viability after freeze-drying was strain-specific and depended on the lyoprotectant used. Highest viability was obtained when stored at 4°C, and the beneficial properties remained stable for 18 months independently of storage temperature. SIGNIFICANCE AND IMPACT OF THE STUDY The studies reported for the first time in this work are of primary interest to obtain dried bacteria to be included in beneficial products for raniculture.
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Affiliation(s)
- G Montel Mendoza
- Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Instituto Superior de Investigaciones Biológicas (INSIBIO-CONICET), Instituto de Biología "Dr. Francisco D. Barbieri", San Miguel de Tucumán, Argentina
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Bhat AR, Irorere VU, Bartlett T, Hill D, Kedia G, Morris MR, Charalampopoulos D, Radecka I. Bacillus subtilis natto: a non-toxic source of poly-γ-glutamic acid that could be used as a cryoprotectant for probiotic bacteria. AMB Express 2013; 3:36. [PMID: 23829836 PMCID: PMC3720193 DOI: 10.1186/2191-0855-3-36] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 07/03/2013] [Indexed: 11/19/2022] Open
Abstract
It is common practice to freeze dry probiotic bacteria to improve their shelf life. However, the freeze drying process itself can be detrimental to their viability. The viability of probiotics could be maintained if they are administered within a microbially produced biodegradable polymer - poly-γ-glutamic acid (γ-PGA) - matrix. Although the antifreeze activity of γ-PGA is well known, it has not been used for maintaining the viability of probiotic bacteria during freeze drying. The aim of this study was to test the effect of γ-PGA (produced by B. subtilis natto ATCC 15245) on the viability of probiotic bacteria during freeze drying and to test the toxigenic potential of B. subtilis natto. 10% γ-PGA was found to protect Lactobacillus paracasei significantly better than 10% sucrose, whereas it showed comparable cryoprotectant activity to sucrose when it was used to protect Bifidobacterium breve and Bifidobacterium longum. Although γ-PGA is known to be non-toxic, it is crucial to ascertain the toxigenic potential of its source, B. subtilis natto. Presence of six genes that are known to encode for toxins were investigated: three component hemolysin (hbl D/A), three component non-haemolytic enterotoxin (nheB), B. cereus enterotoxin T (bceT), enterotoxin FM (entFM), sphingomyelinase (sph) and phosphatidylcholine-specific phospholipase (piplc). From our investigations, none of these six genes were present in B. subtilis natto. Moreover, haemolytic and lecithinase activities were found to be absent. Our work contributes a biodegradable polymer from a non-toxic source for the cryoprotection of probiotic bacteria, thus improving their survival during the manufacturing process.
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Enhanced viability of Lactobacillus reuteri for probiotics production in mixed solid-state fermentation in the presence of Bacillus subtilis. Folia Microbiol (Praha) 2013; 59:31-6. [DOI: 10.1007/s12223-013-0264-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Accepted: 06/07/2013] [Indexed: 10/26/2022]
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Hongpattarakere T, Rattanaubon P, Buntin N. Improvement of Freeze-Dried Lactobacillus Plantarum Survival Using Water Extracts and Crude Fibers from Food Crops. FOOD BIOPROCESS TECH 2012. [DOI: 10.1007/s11947-012-1018-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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31
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Cell viability of microencapsulated Bifidobacterium animalis subsp. lactis under freeze-drying, storage and gastrointestinal tract simulation conditions. Folia Microbiol (Praha) 2012; 58:91-101. [DOI: 10.1007/s12223-012-0183-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2011] [Accepted: 07/10/2012] [Indexed: 10/28/2022]
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32
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PYAR HASSAN, PEH KOKKHIANG. Effect of cryoprotective agents on survival and stability of Lactobacillus acidophilus cultured in food-grade medium. INT J DAIRY TECHNOL 2011. [DOI: 10.1111/j.1471-0307.2011.00715.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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33
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Shamekhi F, Shuhaimi M, Ariff AB, Yazid AM. Optimization of a cryoprotective medium for infant formula probiotic applications using response surface methodology. ANN MICROBIOL 2011. [DOI: 10.1007/s13213-011-0328-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
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34
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SILVA JOANA, FREIXO RICARDO, GIBBS PAUL, TEIXEIRA PAULA. Spray-drying for the production of dried cultures. INT J DAIRY TECHNOL 2011. [DOI: 10.1111/j.1471-0307.2011.00677.x] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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35
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Comparative evaluation of bacterial cellulose (nata) as a cryoprotectant and carrier support during the freeze drying process of probiotic lactic acid bacteria. Lebensm Wiss Technol 2010. [DOI: 10.1016/j.lwt.2010.03.009] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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36
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Ampatzoglou A, Schurr B, Deepika G, Baipong S, Charalampopoulos D. Influence of fermentation on the acid tolerance and freeze drying survival of Lactobacillus rhamnosus GG. Biochem Eng J 2010. [DOI: 10.1016/j.bej.2010.07.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Effect of freeze-drying on viability andin vitroprobiotic properties of a mixture of lactic acid bacteria and yeasts isolated from kefir. J DAIRY RES 2010; 78:15-22. [DOI: 10.1017/s0022029910000610] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The effect of freeze-drying on viability and probiotic properties of a microbial mixture containing selected bacterial and yeast strains isolated from kefir grains (Lactobacillus kefir,Lactobacillus plantarum,Lactococcus lactis,Saccharomyces cerevisiaeandKluyveromyces marxianus) was studied. The microorganisms were selected according to their potentially probiotic propertiesin vitroalready reported. Two types of formulations were performed, a microbial mixture (MM) suspended in milk and a milk product fermented with MM (FMM). To test the effect of storage on viability of microorganisms, MM and FMM were freeze-dried and maintained at 4°C for six months. After 180 days of storage at 4°C, freeze-dried MM showed better survival rates for each strain than freeze-dried FMM. The addition of sugars (trehalose or sucrose) did not improve the survival rates of any of the microorganisms after freeze-drying. Freeze-drying did not affect the capacity of MM to inhibit growth ofShigella sonnei in vitro, since the co-incubation of this pathogen with freeze-dried MM produced a decrease of 2 log inShigellaviability. The safety of freeze-dried MM was tested in mice and non-translocation of microorganisms to liver or spleen was observed in BALB/c mice feedad libitumduring 7 or 20 days. To our knowledge, this is the first report about the effect of freeze-drying on viability,in vitroprobiotic properties and microbial translocation of a mixture containing different strains of both bacteria and yeasts isolated from kefir.
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Nieto-Arribas P, Poveda J, Seseña S, Palop L, Cabezas L. Technological characterization of Lactobacillus isolates from traditional Manchego cheese for potential use as adjunct starter cultures. Food Control 2009. [DOI: 10.1016/j.foodcont.2009.03.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Siaterlis A, Deepika G, Charalampopoulos D. Effect of culture medium and cryoprotectants on the growth and survival of probiotic lactobacilli during freeze drying. Lett Appl Microbiol 2009; 48:295-301. [DOI: 10.1111/j.1472-765x.2008.02529.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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41
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Seetharam C, Soundarajan S, Udas AC, Rao AS, Apte SK. Lyophilized, non-viable, recombinant E. coli cells for cadmium bioprecipitation and recovery. Process Biochem 2009. [DOI: 10.1016/j.procbio.2008.10.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Advances in the design of probiotic products for the prevention of major diseases in dairy cattle. J Ind Microbiol Biotechnol 2008; 35:1387-95. [PMID: 18758837 DOI: 10.1007/s10295-008-0438-2] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2008] [Accepted: 07/30/2008] [Indexed: 10/21/2022]
Abstract
Probiotics are frequently used for multiple objectives and the majority of applications are performed both in human beings and in different animals. The specificity of species showed by the members of the indigenous microbiotia led us to isolate lactic acid bacteria (LAB) from their natural bovine ecosystems and to select those with probiotic potentiality. The beneficial probiotic LAB were isolated from the vaginal tract and mammary gland of adult heifers, faeces and oral cavity of newborn calves. Bacterial strains and their numbers varied in each tract under study. Their surface properties, evaluated using the MATH test, revealed that the higher number of low hydrophobic strains were isolated from vaginal tract, mammary gland or faeces. The capability of autoaggregation also differed with higher degree in those isolated from vagina, whereas those that originated in the mammary gland or faeces showed low autoaggregation characteristics. The production of antagonistic substances showed that the production of hydrogen peroxide was higher in the strains isolated from the vaginal tract, while those able to produce organic acid were isolated from all the environments. A few strains were able to produce bacteriocins and were isolated only from the mammary gland and faeces, but not from the vaginal tract. Further studies are being performed to complete the functional characterization of the strains in order to evaluate their survival in the environmental conditions of each tract. Finally, the selected strains could be combined for the design of probiotic products to be used both in adult cows and in neonates, based on the host-specificity, due to their autochthonous origin and their potential use in the tract where they were isolated.
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