1
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Haririzadeh Jouriani F, Torfeh M, Torkamaneh M, Sepehr A, Rohani M, Aghamohammad S. The preventive and therapeutic role of Lactobacillus spp. in in vitro model of inflammation via affecting autophagy signaling pathway. Immun Inflamm Dis 2024; 12:e1336. [PMID: 39189796 PMCID: PMC11348509 DOI: 10.1002/iid3.1336] [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: 07/08/2023] [Revised: 06/19/2024] [Accepted: 06/23/2024] [Indexed: 08/28/2024] Open
Abstract
BACKGROUND Intestinal inflammation has various causes and leads to some inflammatory diseases, of which autophagy pathway dysfunction could be considered as one of them. Probiotics could have a positive effect on reducing inflammation by activating the autophagy pathway. To evaluate the precise effects of probiotics as preventive and therapeutic agents to control the symptoms of inflammatory diseases, we aimed to investigate the efficacy of Lactobacillus spp. in regulating the autophagy signaling pathway. METHODS A quantitative real-time polymerase chain reaction assay was used to analyze the expression of autophagy genes involved in the formation of phagophores, autophagosomes, and autolysosomes after exposing the HT-29 cell line to sonicated pathogens and adding Lactobacillus spp. before, after, and simultaneously with inflammation. A cytokine assay was also accomplished to evaluate the interleukin (IL)-6 and IL-1β level following the probiotic treatment. RESULTS Lactobacillus spp. generally increased autophagy gene expression and consumption of Lactobacillus spp. before, simultaneously, and after inflammation, ultimately leading to activate autophagy pathways. The proinflammatory cytokines including IL-6 and IL-1β decreased after probiotic treatment. CONCLUSIONS Our native probiotic Lactobacillus spp. showed beneficial effects on HT-29 cells by increasing autophagy gene expression and decreasing the proinflammatory cytokines production in all treatments. Therefore, this novel probiotic cocktail Lactobacillus spp. can prevent and treat inflammation-related diseases.
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Affiliation(s)
| | - Mahnaz Torfeh
- Department of BacteriologyPasteur Institute of IranTehranIran
| | | | - Amin Sepehr
- Department of BacteriologyPasteur Institute of IranTehranIran
| | - Mahdi Rohani
- Department of BacteriologyPasteur Institute of IranTehranIran
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2
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Liang J, Deng L, Li Z, Fei Y, Bai W, Zhao W, He S, Cao R. Metagenomic analysis of core differential microbes between traditional starter and Round-Koji-mechanical starter of Chi-flavor Baijiu. Front Microbiol 2024; 15:1390899. [PMID: 38952453 PMCID: PMC11215056 DOI: 10.3389/fmicb.2024.1390899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 06/05/2024] [Indexed: 07/03/2024] Open
Abstract
Xiaoqu starter serves as the saccharifying and fermenting agent in the production of Cantonese soybean-flavor (Chi-flavor) Baijiu, and the complex microbial communities determine the flavor and quality of the product. Round-Koji-mechanical starter (produced by using an automated starter-making disk machine) is advantageous as it decreases operator influence, labor costs, and fermentation time, but the product quality is lower compared to traditional starter. Thus, two types of starters (traditional and Round-Koji-mechanical starter) from a Cantonese Baijiu factory were compared in a metagenomic analysis to investigate the differences in microbial community composition and core microbes. The results showed that several core microbes related to carbohydrate metabolism, amino acid metabolism and lipid metabolism, were differentially enriched in the traditional starter. Mucor lusitanicus and Rhizopus delemar were significantly positively correlated with the three key metabolic pathways. Saccharomyces cerevisiae, Cyberlindnera fabianii, Kluyveromyces marxianus, Lactobacillus fermentum, Mucor ambiguous, Rhizopus microspores, Rhizopus azygosporus, Mucor circinelloides, and Ascoidea rubescens were significantly positively correlated with two of the three key metabolic pathways. The results of this study provide a basis for understanding the differential core microbes in traditional and Round-Koji-mechanical starters of Chi-flavor Baijiu, and they also provide guidance for improving Round-Koji-mechanical starter.
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Affiliation(s)
- Jinglong Liang
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Lichuan Deng
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Zhipu Li
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Yongtao Fei
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Weidong Bai
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Wenhong Zhao
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Songgui He
- Guangdong Jiujiang Distillery Co. Ltd., Foshan, China
| | - Rongbing Cao
- Guangdong Jiujiang Distillery Co. Ltd., Foshan, China
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3
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D'Amico V, Lopalco A, Iacobazzi RM, Vacca M, Siragusa S, De Angelis M, Lopedota AA, Denora N. Multistimuli responsive microcapsules produced by the prilling/vibration technique for targeted colonic delivery of probiotics. Int J Pharm 2024; 658:124223. [PMID: 38744413 DOI: 10.1016/j.ijpharm.2024.124223] [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: 02/27/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024]
Abstract
This study aimed to microencapsulate the probiotic strain Lactiplantibacillus plantarum 4S6R (basonym Lactobacillus plantarum) in both microcapsules and microspheres by prilling/vibration technique. A specific polymeric mixture, selected for its responsiveness to parallel colonic stimuli, was individuated as a carrier of microparticles. Although the microspheres were consistent with some critical quality parameters, they showed a low encapsulation efficiency and were discarded. The microcapsules produced demonstrated high yields (97.52%) and encapsulation efficiencies (90.06%), with dimensional analysis and SEM studies confirming the desired size morphology and structure. The results of thermal stress tests indicate the ability of the microcapsules to protect the probiotic. Stability studies showed a significant advantage of the microcapsules over non-encapsulated probiotics, with greater stability over time. The release study under simulated gastrointestinal conditions demonstrated the ability of the microcapsules to protect the probiotics from gastric acid and bile salts, ensuring their viability. Examination in a simulated faecal medium revealed the ability of the microcapsules to release the bacteria into the colon, enhancing their beneficial impact on gut health. This research suggests that the selected mixture of reactive polymers holds promise for improving the survival and efficacy of probiotics in the gastrointestinal tract, paving the way for the development of advanced probiotic products.
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Affiliation(s)
- Vita D'Amico
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
| | - Antonio Lopalco
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
| | - Rosa Maria Iacobazzi
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
| | - Mirco Vacca
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", 165/A, G. Amendola Street, 70126 Bari, Italy
| | - Sonya Siragusa
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", 165/A, G. Amendola Street, 70126 Bari, Italy
| | - Maria De Angelis
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", 165/A, G. Amendola Street, 70126 Bari, Italy
| | - Angela Assunta Lopedota
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy.
| | - Nunzio Denora
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
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4
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Huijboom L, Rashtchi P, Tempelaars M, Boeren S, van der Linden E, Habibi M, Abee T. Phenotypic and proteomic differences in biofilm formation of two Lactiplantibacillus plantarum strains in static and dynamic flow environments. Biofilm 2024; 7:100197. [PMID: 38706985 PMCID: PMC11066574 DOI: 10.1016/j.bioflm.2024.100197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 05/07/2024] Open
Abstract
Lactiplantibacillus plantarum is a Gram-positive non-motile bacterium capable of producing biofilms that contribute to the colonization of surfaces in a range of different environments. In this study, we compared two strains, WCFS1 and CIP104448, in their ability to produce biofilms in static and dynamic (flow) environments using an in-house designed flow setup. This flow setup enables us to impose a non-uniform flow velocity profile across the well. Biofilm formation occurred at the bottom of the well for both strains, under static and flow conditions, where in the latter condition, CIP104448 also showed increased biofilm formation at the walls of the well in line with the higher hydrophobicity of the cells and the increased initial attachment efficacy compared to WCFS1. Fluorescence and scanning electron microscopy showed open 3D structured biofilms formed under flow conditions, containing live cells and ∼30 % damaged/dead cells for CIP104448, whereas the WCFS1 biofilm showed live cells closely packed together. Comparative proteome analysis revealed minimal changes between planktonic and static biofilm cells of the respective strains suggesting that biofilm formation within 24 h is merely a passive process. Notably, observed proteome changes in WCFS1 and CIP104448 flow biofilm cells indicated similar and unique responses including changes in metabolic activity, redox/electron transfer and cell division proteins for both strains, and myo-inositol production for WCFS1 and oxidative stress response and DNA damage repair for CIP104448 uniquely. Exposure to DNase and protease treatments as well as lethal concentrations of peracetic acid showed highest resistance of flow biofilms. For the latter, CIP104448 flow biofilm even maintained its high disinfectant resistance after dispersal from the bottom and from the walls of the well. Combining all results highlights that L. plantarum biofilm structure and matrix, and physiological state and stress resistance of cells is strain dependent and strongly affected under flow conditions. It is concluded that consideration of effects of flow on biofilm formation is essential to better understand biofilm formation in different settings, including food processing environments.
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Affiliation(s)
- Linda Huijboom
- Food Microbiology, Wageningen University, Wageningen, 6708WG, the Netherlands
| | - Parisa Rashtchi
- Physics and Physical Chemistry of Foods, Wageningen University, Wageningen, 6708WG, the Netherlands
| | - Marcel Tempelaars
- Food Microbiology, Wageningen University, Wageningen, 6708WG, the Netherlands
| | - Sjef Boeren
- Biochemistry, Wageningen University, Wageningen, 6708WG, the Netherlands
| | - Erik van der Linden
- Physics and Physical Chemistry of Foods, Wageningen University, Wageningen, 6708WG, the Netherlands
| | - Mehdi Habibi
- Physics and Physical Chemistry of Foods, Wageningen University, Wageningen, 6708WG, the Netherlands
| | - Tjakko Abee
- Food Microbiology, Wageningen University, Wageningen, 6708WG, the Netherlands
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Zhang T, Hong S, Zhang JR, Liu PH, Li S, Wen Z, Xiao J, Zhang G, Habimana O, Shah NP, Sui Z, Corke H. The effect of lactic acid bacteria fermentation on physicochemical properties of starch from fermented proso millet flour. Food Chem 2024; 437:137764. [PMID: 37976787 DOI: 10.1016/j.foodchem.2023.137764] [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: 02/01/2023] [Revised: 10/06/2023] [Accepted: 10/13/2023] [Indexed: 11/19/2023]
Abstract
A waxy and a non-waxy proso millet flour were each fermented by Lactobacillus amylovorus, Lactobacillus fermentum, and Lactobacillus plantarum. The samples were fermented for one to five days, and starch was isolated from the fermented flours. The pH of fermented proso millet flour ranged from 3.27 to 3.6. The starch morphology of fermented samples differed from that of raw starches, with surface indentations and small pores leading to granule channels observed on the granule. The gelatinization temperatures were significantly decreased, whereas the enthalpies were not affected by fermentation. Peak and final viscosities were decreased after fermentation. The hardness of Lb. fermentum and Lb. plantarum fermented waxy starch gels was decreased, but the non-waxy samples fermented by Lb. amylovorus had significantly increased hardness. The adhesiveness of the starch gels from fermented samples was significantly increased. Lactic acid fermentation had significant effects on the morphology and physicochemical properties of proso millet starch.
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Affiliation(s)
- Tongze Zhang
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China; School of Biological Science, The University of Hong Kong, Pokfulam Road, Hong Kong Special Administrative Region
| | - Siqi Hong
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China
| | - Jia-Rong Zhang
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China
| | - Pin-He Liu
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China
| | - Siyi Li
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China
| | - Zixian Wen
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China
| | - Jianwei Xiao
- Guangdong United Food Co., Ltd, Shantou 515021, People's Republic of China
| | - Guirong Zhang
- Guangdong United Food Co., Ltd, Shantou 515021, People's Republic of China
| | - Olivier Habimana
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China
| | - Nagendra P Shah
- School of Biological Science, The University of Hong Kong, Pokfulam Road, Hong Kong Special Administrative Region
| | - Zhongquan Sui
- Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
| | - Harold Corke
- Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou 515063, People's Republic of China; Faculty of Biotechnology and Food Engineering, Technion-Israel Institute of Technology, Haifa, Israel.
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6
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Huang F, Zhao Y, Hou Y, Yang Y, Yue B, Zhang X. Unraveling the antimicrobial potential of Lactiplantibacillus plantarum strains TE0907 and TE1809 sourced from Bufo gargarizans: advancing the frontier of probiotic-based therapeutics. Front Microbiol 2024; 15:1347830. [PMID: 38419633 PMCID: PMC10899456 DOI: 10.3389/fmicb.2024.1347830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 01/29/2024] [Indexed: 03/02/2024] Open
Abstract
Introduction In an era increasingly defined by the challenge of antibiotic resistance, this study offers groundbreaking insights into the antibacterial properties of two distinct Lactiplantibacillus plantarum strains, TE0907 and TE1809, hailing from the unique ecosystem of Bufo gargarizans. It uniquely focuses on elucidating the intricate components and mechanisms that empower these strains with their notable antibacterial capabilities. Methods The research employs a multi-omics approach, including agar diffusion tests to assess antibacterial efficacy and adhesion assays with HT-29 cells to understand the preliminary mechanisms. Additionally, gas chromatography-mass spectrometry (GC-MS) is employed to analyze the production of organic acids, notably acetic acid, and whole-genome sequencing is utilized to identify genes linked to the biosynthesis of antibiotics and bacteriocin-coding domains. Results The comparative analysis highlighted the exceptional antibacterial efficacy of strains TE0907 and TE1809, with mean inhibitory zones measured at 14.97 and 15.98 mm, respectively. A pivotal discovery was the significant synthesis of acetic acid in both strains, demonstrated by a robust correlation coefficient (cor ≥ 0.943), linking its abundance to their antimicrobial efficiency. Genomic exploration uncovered a diverse range of elements involved in the biosynthesis of antibiotics similar to tetracycline and vancomycin and potential regions encoding bacteriocins, including Enterolysin and Plantaricin. Conclusion This research illuminates the remarkable antibacterial efficacy and mechanisms intrinsic to L. plantarum strains TE0907 and TE1809, sourced from B. gargarizans. The findings underscore the strains' extensive biochemical and enzymatic armamentarium, offering valuable insights into their role in antagonizing enteric pathogens. These results lay down a comprehensive analytical foundation for the potential clinical deployment of these strains in safeguarding animal gut health, thereby enriching our understanding of the role of probiotic bacteria in the realm of antimicrobial interventions.
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Affiliation(s)
- Feiyun Huang
- Key Laboratory of Bio-Resources and Eco-Environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu, China
| | - Yanni Zhao
- Key Laboratory of Bio-Resources and Eco-Environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu, China
| | - Yusen Hou
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yu Yang
- Key Laboratory of Bio-Resources and Eco-Environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu, China
| | - Bisong Yue
- Key Laboratory of Bio-Resources and Eco-Environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu, China
| | - Xiuyue Zhang
- Sichuan Key Laboratory of Conservation Biology on Endangered Wildlife, College of Life Sciences, Sichuan University, Chengdu, China
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7
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Ge S, Zhang B. Analysis of the effect of pulsed light on the protein of Lactobacillus plantarum based on liquid mass spectrometry. Food Sci Biotechnol 2024; 33:617-624. [PMID: 38274179 PMCID: PMC10805731 DOI: 10.1007/s10068-023-01365-3] [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: 03/07/2023] [Revised: 05/02/2023] [Accepted: 06/06/2023] [Indexed: 01/27/2024] Open
Abstract
Studying the mutagenesis mechanism is crucial for pulsed light use in the food processing industry. After being exposed to pulsed light, the original strain Y Lactobacillus Plantarum CICC6048 was transformed into the high acid-producing mutant G10. The differing levels of protein expression between the two strains were compared using the LC-MS/MS analysis. The bacterium displayed a distinct differential protein composition after pulsed light treatment, according to GO analysis. A KEGG analysis revealed that the pathways for cofactor biosynthesis, starch, sucrose metabolism, and phosphate transfer systems were considerably different in the proteins of high acid-producing strains (PTS). In the protein interaction network, A0A0R2G2S1 showed the highest level of enhanced connectivity among the differentially expressed proteins. These pathways improve the efficiency of crucial metabolism and lessen DNA repair. They may be a key mechanism for increasing the growth rate and acid production of Lactobacillus Plantarum by pulsed light.
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Affiliation(s)
- Shanying Ge
- College of Food Science, Shenyang Agricultural University, Shenyang, China
| | - Baiqing Zhang
- College of Food Science, Shenyang Agricultural University, Shenyang, China
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8
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Sato K, Ikagawa Y, Niwa R, Nishioka H, Horie M, Iwahashi H. Genome Sequencing Unveils Nomadic Traits of Lactiplantibacillus plantarum in Japanese Post-Fermented Tea. Curr Microbiol 2023; 81:52. [PMID: 38155273 DOI: 10.1007/s00284-023-03566-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/17/2023] [Indexed: 12/30/2023]
Abstract
Post-fermented tea production involving microbial fermentation is limited to a few regions, such as Southeast Asia and Japan, with Japan's Shikoku island being particularly prominent. Lactiplantibacillus plantarum was the dominant species found in tea leaves after anaerobic fermentation of Awa-bancha in Miyoshi City, Tokushima, and Ishizuchi-kurocha in Ehime. Although the draft genome of L. plantarum from Japanese post-fermented tea has been previously reported, its genetic diversity requires further exploration. In this study, whole-genome sequencing was conducted on four L. plantarum strains isolated from Japanese post-fermented tea using nanopore sequencing. These isolates were then compared with other sources to examine their genetic diversity revealing that L. plantarum isolated from Japanese post-fermented tea contained several highly variable gene regions associated with sugar metabolism and transportation. However, no source-specific genes or clusters were identified within accessory or core gene regions. This study indicates that L. plantarum possesses high genetic diversity and that the unique environment of Japanese post-fermented tea does not appear to exert selective pressure on L. plantarum growth.
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Affiliation(s)
- Kyoka Sato
- Department of Life Science and Chemistry, Graduate School of Natural Science and Technology, Gifu University, Gifu, 501-1193, Japan.
| | - Yuichiro Ikagawa
- Department of Life Science and Chemistry, Graduate School of Natural Science and Technology, Gifu University, Gifu, 501-1193, Japan
| | - Ryo Niwa
- Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan
| | - Hiroki Nishioka
- Food and Biotechnology Division, Tokushima Prefectural Industrial Technology Center, Tokushima, 770-8021, Japan
| | - Masanori Horie
- Health and Medical Research Institute (HMRI), National Institute of Advanced Industrial Science and Technology (AIST), Kagawa, 761-0395, Japan
| | - Hitoshi Iwahashi
- Department of Life Science and Chemistry, Graduate School of Natural Science and Technology, Gifu University, Gifu, 501-1193, Japan.
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Pazos-Rojas LA, Cuellar-Sánchez A, Romero-Cerón AL, Rivera-Urbalejo A, Van Dillewijn P, Luna-Vital DA, Muñoz-Rojas J, Morales-García YE, Bustillos-Cristales MDR. The Viable but Non-Culturable (VBNC) State, a Poorly Explored Aspect of Beneficial Bacteria. Microorganisms 2023; 12:39. [PMID: 38257865 PMCID: PMC10818521 DOI: 10.3390/microorganisms12010039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Many bacteria have the ability to survive in challenging environments; however, they cannot all grow on standard culture media, a phenomenon known as the viable but non-culturable (VBNC) state. Bacteria commonly enter the VBNC state under nutrient-poor environments or under stressful conditions. This review explores the concept of the VBNC state, providing insights into the beneficial bacteria known to employ this strategy. The investigation covers different chemical and physical factors that can induce the latency state, cell features, and gene expression observed in cells in the VBNC state. The review also covers the significance and applications of beneficial bacteria, methods of evaluating bacterial viability, the ability of bacteria to persist in environments associated with higher organisms, and the factors that facilitate the return to the culturable state. Knowledge about beneficial bacteria capable of entering the VBNC state remains limited; however, beneficial bacteria in this state could face adverse environmental conditions and return to a culturable state when the conditions become suitable and continue to exert their beneficial effects. Likewise, this unique feature positions them as potential candidates for healthcare applications, such as the use of probiotic bacteria to enhance human health, applications in industrial microbiology for the production of prebiotics and functional foods, and in the beer and wine industry. Moreover, their use in formulations to increase crop yields and for bacterial bioremediation offers an alternative pathway to harness their beneficial attributes.
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Affiliation(s)
- Laura Abisaí Pazos-Rojas
- Faculty of Stomatology, Meritorious Autonomous University of Puebla (BUAP), Puebla 72570, Mexico; (L.A.P.-R.); (A.R.-U.)
- Monterrey Institute of Technology, School of Engineering and Sciences, Monterrey 64700, Mexico; (A.C.-S.); (A.L.R.-C.); (D.A.L.-V.)
| | - Alma Cuellar-Sánchez
- Monterrey Institute of Technology, School of Engineering and Sciences, Monterrey 64700, Mexico; (A.C.-S.); (A.L.R.-C.); (D.A.L.-V.)
| | - Ana Laura Romero-Cerón
- Monterrey Institute of Technology, School of Engineering and Sciences, Monterrey 64700, Mexico; (A.C.-S.); (A.L.R.-C.); (D.A.L.-V.)
| | - América Rivera-Urbalejo
- Faculty of Stomatology, Meritorious Autonomous University of Puebla (BUAP), Puebla 72570, Mexico; (L.A.P.-R.); (A.R.-U.)
| | - Pieter Van Dillewijn
- Department of Environmental Protection, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, 18008 Granada, Spain;
| | - Diego Armando Luna-Vital
- Monterrey Institute of Technology, School of Engineering and Sciences, Monterrey 64700, Mexico; (A.C.-S.); (A.L.R.-C.); (D.A.L.-V.)
| | - Jesús Muñoz-Rojas
- Ecology and Survival of Microorganisms Group, Laboratory of Microbial Molecular Ecology (LEMM), Center for Research in Microbiological Sciences, Institute of Sciences, Meritorious Autonomous University of Puebla (BUAP), Puebla 72570, Mexico;
| | - Yolanda Elizabeth Morales-García
- Ecology and Survival of Microorganisms Group, Laboratory of Microbial Molecular Ecology (LEMM), Center for Research in Microbiological Sciences, Institute of Sciences, Meritorious Autonomous University of Puebla (BUAP), Puebla 72570, Mexico;
- Faculty of Biological Sciences, Meritorious Autonomous University of Puebla (BUAP), Puebla 72570, Mexico
| | - María del Rocío Bustillos-Cristales
- Ecology and Survival of Microorganisms Group, Laboratory of Microbial Molecular Ecology (LEMM), Center for Research in Microbiological Sciences, Institute of Sciences, Meritorious Autonomous University of Puebla (BUAP), Puebla 72570, Mexico;
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10
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Zheng Z, Wei L, Zhu M, Qian Z, Liu J, Zhang L, Xu Y. Effect of lactic acid bacteria co-fermentation on antioxidant activity and metabolomic profiles of a juice made from wolfberry and longan. Food Res Int 2023; 174:113547. [PMID: 37986427 DOI: 10.1016/j.foodres.2023.113547] [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: 07/28/2023] [Revised: 09/29/2023] [Accepted: 10/01/2023] [Indexed: 11/22/2023]
Abstract
Lactic acid bacteria (LAB) fermentation is frequently employed to improve the nutritional, functional, and sensory characteristics of foods. Our study explored the effects of co-fermentation with Lacticaseibacillus paracasei ZH8 and Lactococcus lactis subsp. lactis YM313 on the physicochemical properties, antioxidant activity, and metabolomic profiles of wolfberry-longan juice (WLJ). Fermentation was carried out at 35 °C for 15 h. The results suggest that WLJ is a favorable substrate for LAB growth, reaching a total viable count exceeding 8 log CFU/mL after fermentation. LAB fermentation increased acidity, reduced the sugar content, and significantly impacted the juice color. The total phenolic and flavonoid contents of the WLJ and the antioxidant capacities based on 2,2-diphenyl-1-picrylhydrazyl (DPPH), ABTS radical scavenging abilities and FRAP were significantly improved by LAB fermentation. Nontargeted metabolomics analysis suggested that the contents of small molecule substances in WLJ were considerably affected by LAB fermentation. A total of 374 differential metabolites were identified in the juice before and after fermentation, with 193 significantly upregulated metabolites and 181 siginificantly downregulated metabolites. The regulation of metabolites is important for improving the flavor and functions of juices, such as L-eucylproline, Isovitexin, Netivudine, 3-Phenyllactic acid, vanillin, and ethyl maltol, ect. This study provides a theoretical foundation for developing plant-based foods fermented with LAB.
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Affiliation(s)
- Zhenjie Zheng
- College of Food and Health, Jinzhou Medical University, Jinzhou 121000, China.
| | - Linya Wei
- College of Food and Health, Jinzhou Medical University, Jinzhou 121000, China.
| | - Manli Zhu
- College of Food and Health, Jinzhou Medical University, Jinzhou 121000, China.
| | - Zhenning Qian
- College of Food and Health, Jinzhou Medical University, Jinzhou 121000, China.
| | - Jiao Liu
- College of Food and Health, Jinzhou Medical University, Jinzhou 121000, China.
| | - Lili Zhang
- College of Food and Health, Jinzhou Medical University, Jinzhou 121000, China.
| | - Yunhe Xu
- College of Food and Health, Jinzhou Medical University, Jinzhou 121000, China.
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11
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Ortega-Hernández E, Martinez-Alvarado L, Acosta-Estrada BA, Antunes-Ricardo M. Solid-State Fermented Pineapple Peel: A Novel Food Ingredient with Antioxidant and Anti-Inflammatory Properties. Foods 2023; 12:4162. [PMID: 38002219 PMCID: PMC10670571 DOI: 10.3390/foods12224162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/02/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
It has been reported that pineapple (Ananas comosus) contains healthy nutrients and phytochemicals associated with antioxidant and anti-inflammatory capacities. However, a substantial amount of pineapple residue is produced due to a lack of valorization applications at the industrial scale, resulting in the loss of valuable nutrients. Solid-state fermentation (SSF) is proposed as an innovative strategy to enhance the release of bound phenolics from pineapple residues. In this work, the effects of SSF of pineapple peels with Lactobacillus plantarum, Lactobacillus rhamnosus, and Aspergillus oryzae on the release of phenolic compounds and their antioxidant and anti-inflammatory activities were evaluated, respectively. Pineapple peel extracts after SSF showed an increase in the release of phenolic compounds (248.11% with L. plantarum, 182% with A. oryzae, and 180.10% with L. rhamnosus), which led to an increase in the cellular antioxidant (81.94% with L. rhamnosus) and anti-inflammatory potential (nitric oxide inhibition of 62% with L. rhamnosus) compared to non-fermented extracts. Therefore, SSF of pineapple peels with L. plantarum, L. rhamnosus, and A. oryzae thrives as a new approach for the production of secondary metabolites with remarkable biological benefits, which can be the precursors for novel biofortified and nutraceutical-enriched foods that meet the needs of the most demanding and health-conscious consumers.
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Affiliation(s)
- Erika Ortega-Hernández
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Ave. Eugenio Garza Sada 2501 Sur, Monterrey CP 64849, Mexico
- Tecnologico de Monterrey, Institute for Obesity Research, Ave. Eugenio Garza Sada 2501 Sur, Monterrey CP 64849, Mexico
| | - Lucio Martinez-Alvarado
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Ave. Eugenio Garza Sada 2501 Sur, Monterrey CP 64849, Mexico
| | - Beatriz A. Acosta-Estrada
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Ave. Eugenio Garza Sada 2501 Sur, Monterrey CP 64849, Mexico
| | - Marilena Antunes-Ricardo
- Tecnologico de Monterrey, Institute for Obesity Research, Ave. Eugenio Garza Sada 2501 Sur, Monterrey CP 64849, Mexico
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12
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Li G, Yan N, Li G, Wang J. Optimization of the Process for Green Jujube Vinegar and Organic Acid and Volatile Compound Analysis during Brewing. Foods 2023; 12:3168. [PMID: 37685101 PMCID: PMC10486836 DOI: 10.3390/foods12173168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023] Open
Abstract
Healthy fruit vinegar has become very popular recently in China. This study aimed to produce fruit vinegar with a good taste, high nutritional value, and strong functional properties from green jujube. This study investigated the optimization of the process for green jujube vinegar using response surface methodology. The optimum fermentation parameters for green jujube vinegar were determined as follows: initial alcoholicity 6%, acetobacter 8%, fermentation temperature 32 °C, and time 7 d. The organic acids of the optimized sample were evaluated by HPLC, and the volatile substances were identified and analyzed by HS-SPME and GC-MS during the fermentation and aging of the green jujube vinegar. The results showed that the variation trends of the different organic acids during the making of the green jujube vinegar were significantly different. Organic acids are the key flavor compounds of green jujube vinegar, and their changes were mainly attributed to microbial metabolism. In particular, the green jujube vinegar stood out in terms of volatile aroma compounds, including a total of 61 volatile compounds whose major components were acetic acid, isoamyl acetate, ethyl acetate, 3-hydroxy-2-butanone, methyl palmitate, and ethanol. The results can provide theoretical support for the production of green jujube vinegar.
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Affiliation(s)
- Guifeng Li
- College of Food Science, Shanxi Normal University, Taiyuan 030031, China
| | - Ni Yan
- College of Food Science, Shanxi Normal University, Taiyuan 030031, China
| | - Guoqin Li
- College of Food Science, Shanxi Normal University, Taiyuan 030031, China
| | - Jing Wang
- Modern College of Humanities and Sciences, Shanxi Normal University, Linfen 041000, China
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13
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Sodré MTC, Ferraz FA, Alencar AKV, Silva KF, Silva DHDS, Silva LDS, Araújo Carneiro JSDS, Monteiro CA, Silva LCN, Monteiro ADS. The Potential of Lactiplantibacillus plantarum ATCC 14917 in the Development of Alginate-Based Gel Formulations with Anti- Staphylococcus aureus Properties. Pharmaceuticals (Basel) 2023; 16:1112. [PMID: 37631027 PMCID: PMC10458396 DOI: 10.3390/ph16081112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 06/04/2023] [Accepted: 06/15/2023] [Indexed: 08/27/2023] Open
Abstract
This study aimed to evaluate the potential of lactic acid bacteria (LAB) in developing alginate-based gel formulations to inhibit Staphylococcus aureus. Initially, the antagonistic actions of three lactic acid bacteria (LAB) (Lacticaseibacillus rhamnosus ATCC 10863, Lactiplantibacillus plantarum ATCC 14917, Limosilactobacillus fermentum ATCC 23271) were evaluated against S. aureus ATCC 25923. All tested LAB inhibited S. aureus, but the highest activity was observed for L. plantarum ATCC 14917 (p < 0.05). The antimicrobial effects of L. plantarum ATCC 14917 cell suspensions, sonicate cells extract, and cell-free supernatants (pH 5 or 7) were analyzed using a broth-based assay. The cell suspensions inhibited S. aureus at concentrations ≥ 10%, and these effects were confirmed by a time-kill assay. Alginate-based gels were formulated with cell suspensions, sonicate cells extract, and cell-free supernatant (pH 5). These formulations inhibited S. aureus growth. Based on the results, the alginate gel with cell suspensions at 10% was selected for further characterization. L. plantarum ATCC 14917 survived in the alginate-based gel, especially when stored at 5 °C. At this temperature, the L. plantarum-containing alginate gel was stable, and it was in compliance with microbiological standards. These findings suggest it can be a promising agent for the topical treatment of infections induced by S. aureus.
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Affiliation(s)
| | | | | | - Karinny Farias Silva
- Laboratory of Applied Microbiology, CEUMA University, São Luís 65075-120, MA, Brazil
| | | | | | | | - Cristina Andrade Monteiro
- Laboratory of Microbiology Research, Federal Institute of Education, Science and Technology of Maranhão (IFMA), São Luís 65030-005, MA, Brazil
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14
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Butrungrod W, Chaiyasut C, Makhamrueang N, Peerajan S, Chaiyana W, Sirilun S. Postbiotic Metabolite of Lactiplantibacillus plantarum PD18 against Periodontal Pathogens and Their Virulence Markers in Biofilm Formation. Pharmaceutics 2023; 15:pharmaceutics15051419. [PMID: 37242661 DOI: 10.3390/pharmaceutics15051419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/27/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
Alternative methods to reduce infectious diseases caused by bacterial pathogens and their virulence factors, biofilm formations, have arisen to reduce the pressure on existing or currently developed disinfectants and antimicrobial agents. The current strategies for reducing the severity of periodontal pathogen-caused disease by using beneficial bacteria and their metabolites are highly desirable. Probiotic strains of lactobacilli related to foods from Thai-fermented foods were selected and their postbiotic metabolites (PM) were isolated with inhibitory activity on periodontal pathogens and their biofilm formation. The PM from Lactiplantibacillus plantarum PD18 (PD18 PM) with the highest antagonistic effect against Streptococcus mutans, Porphyromonas gingivalis, Tannerella forsythia and Prevotella loescheii was selected from 139 Lactobacillus isolates. The minimal inhibitory concentration (MIC) and minimum biofilm inhibitory concentration (MBIC) values of PD18 PM against the pathogens ranged from 1:2 to 1:4. The PD18 PM demonstrated the ability to prevent the biofilm formation of S. mutans and P. gingivalis by showing a significant reduction in viable cells, high percentages of biofilm inhibition at 92.95 and 89.68%, and the highest effective contact times at 5 and 0.5 min, respectively. L. plantarum PD18 PM showed potential as a promising natural adjunctive agent to inhibit periodontal pathogens and their biofilms.
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Affiliation(s)
- Widawal Butrungrod
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Chaiyavat Chaiyasut
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Netnapa Makhamrueang
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | | | - Wantida Chaiyana
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Sasithorn Sirilun
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
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15
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Xiong J, Liu DM, Huang YY. Exopolysaccharides from Lactiplantibacillus plantarum: isolation, purification, structure–function relationship, and application. Eur Food Res Technol 2023. [DOI: 10.1007/s00217-023-04237-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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16
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Pereira N, Farrokhi M, Vida M, Lageiro M, Ramos AC, Vieira MC, Alegria C, Gonçalves EM, Abreu M. Valorisation of Wasted Immature Tomato to Innovative Fermented Functional Foods. Foods 2023; 12:foods12071532. [PMID: 37048352 PMCID: PMC10094284 DOI: 10.3390/foods12071532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/28/2023] [Accepted: 04/03/2023] [Indexed: 04/09/2023] Open
Abstract
In this study, the lactic fermentation of immature tomatoes as a tool for food ingredient production was evaluated as a circular economy-oriented alternative for valorising industrial tomatoes that are unsuitable for processing and which have wasted away in large quantities in the field. Two lactic acid bacteria (LAB) were assessed as starter cultures in an immature tomato pulp fermentation to produce functional food ingredients with probiotic potential. The first trial evaluated the probiotic character of Lactiplantibacillus plantarum (LAB97, isolated from immature tomato microbiota) and Weissella paramesenteroides (C1090, from the INIAV collection) through in vitro gastrointestinal digestion simulation. The results showed that LAB97 and C1090 met the probiotic potential viability criterion by maintaining 6 log10 CFU/mL counts after in vitro simulation. The second trial assessed the LAB starters’ fermentative ability. Partially decontaminated (110 °C/2 min) immature tomato pulp was used to prepare the individually inoculated samples (Id: LAB97 and C1090). Non-inoculated samples, both with and without thermal treatment (Id: CTR-TT and CTR-NTT, respectively), were prepared as the controls. Fermentation was undertaken (25 °C, 100 rpm) for 14 days. Throughout storage (0, 24, 48, 72 h, 7, and 14 days), all the samples were tested for LAB and Y&M counts, titratable acidity (TA), solid soluble content (SSC), total phenolic content (TPC), antioxidant capacity (AOx), as well as for organic acids and phenolic profiles, and CIELab colour and sensory evaluation (14th day). The LAB growth reached ca. 9 log10 CFU/mL for all samples after 72 h. The LAB97 samples had an earlier and higher acidification rate than the remaining ones, and they were highly correlated to lactic acid increments. The inoculated samples showed a faster and higher decrease rate in their SSC levels when compared to the controls. A nearly two-fold increase (p < 0.05) during the fermentation, over time, was observed in all samples’ AOx and TPC (p < 0.05, r = 0.93; similar pattern). The LAB97 samples obtained the best sensory acceptance for flavour and overall appreciation scores when compared to the others. In conclusion, the L. plantarum LAB97 starter culture was selected as a novel probiotic candidate to obtain a potential probiotic ingredient from immature tomato fruits.
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Affiliation(s)
- Nelson Pereira
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Unidade de Tecnologia e Inovação, 2780-157 Oeiras, Portugal
| | - Mahsa Farrokhi
- Instituto Superior de Engenharia, Universidade do Algarve, 8005-139 Faro, Portugal
- MED—Mediterranean Institute for Agriculture, Environment and Development, CHANGE—Global and Sustainability Institute, Faculty of Science and Technology, Universidade do Algarve, Campus de Gambelas, 8005-310 Faro, Portugal
| | - Manuela Vida
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Unidade de Tecnologia e Inovação, 2780-157 Oeiras, Portugal
| | - Manuela Lageiro
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Unidade de Tecnologia e Inovação, 2780-157 Oeiras, Portugal
- GeoBioTec—Geobiociências, Geoengenharias e Geotecnologias, FCT-UNL, 2829-516 Caparica, Portugal
| | - Ana Cristina Ramos
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Unidade de Tecnologia e Inovação, 2780-157 Oeiras, Portugal
- GeoBioTec—Geobiociências, Geoengenharias e Geotecnologias, FCT-UNL, 2829-516 Caparica, Portugal
| | - Margarida C. Vieira
- Instituto Superior de Engenharia, Universidade do Algarve, 8005-139 Faro, Portugal
- MED—Mediterranean Institute for Agriculture, Environment and Development, CHANGE—Global and Sustainability Institute, Faculty of Science and Technology, Universidade do Algarve, Campus de Gambelas, 8005-310 Faro, Portugal
| | - Carla Alegria
- cE3c—Centre for Ecology, Evolution and Environmental Changes, CHANGE—Global Change and Sustainability Institute, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisbon, Portugal
| | - Elsa M. Gonçalves
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Unidade de Tecnologia e Inovação, 2780-157 Oeiras, Portugal
- GeoBioTec—Geobiociências, Geoengenharias e Geotecnologias, FCT-UNL, 2829-516 Caparica, Portugal
| | - Marta Abreu
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Unidade de Tecnologia e Inovação, 2780-157 Oeiras, Portugal
- LEAF—Linking Landscape, Environment, Agriculture and Food Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
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17
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Holzapfel WH, Todorov SD. Special Issue: Beneficial Properties and Safety of Lactic Acid Bacteria. Microorganisms 2023; 11:microorganisms11040871. [PMID: 37110294 PMCID: PMC10145511 DOI: 10.3390/microorganisms11040871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
The application of LAB in various sectors, including in the biotechnical and food industry, in human and veterinary practice, and in health-promoting practices and cosmetics, has been the subject of intensive research across the globe, with a range of traditional and innovative methods currently being explored [...]
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Affiliation(s)
- Wilhelm Heinrich Holzapfel
- Human Effective Microbes Laboratory, Department of Advanced Convergence, Handong Global University, Pohang 37554, Republic of Korea;
| | - Svetoslav Dimitrov Todorov
- ProBacLab, Department of Advanced Convergence, Handong Global University, Pohang 37554, Republic of Korea
- ProBacLab, Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Sao Paulo 05508-000, SP, Brazil
- Food Research Center (FoRC), Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo 05508-000, SP, Brazil
- Correspondence: ; Tel.: +55-11-9-6306-2012
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18
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Pagnini C, Sampietro G, Santini G, Biondi N, Rodolfi L. Tisochrysis lutea as a Substrate for Lactic Acid Fermentation: Biochemical Composition, Digestibility, and Functional Properties. Foods 2023; 12:foods12061128. [PMID: 36981055 PMCID: PMC10048537 DOI: 10.3390/foods12061128] [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: 01/31/2023] [Revised: 02/25/2023] [Accepted: 03/02/2023] [Indexed: 03/30/2023] Open
Abstract
Microalgae, because of their high nutritional value and bioactive molecule content, are interesting candidates for functional foods, including fermented foods, in which the beneficial effects of probiotic bacteria combine with those of biomolecules lying in microalgal biomass. The aim of this work was to evaluate the potential of Tisochrysis lutea F&M-M36 as a substrate for Lactiplantibacillus plantarum ATCC 8014 and to verify fermentation effects on functionality. Bacterium selection among three lactobacilli was based on growth and resistance to in vitro digestion. Microalgal raw biomass and its digested residue were fermented in two matrixes, water and diluted organic medium, and analysed for biochemical composition and antioxidant activity along with their unfermented counterparts. Bacterial survivability to digestion and raw biomass digestibility after fermentation were also evaluated. Fucoxanthin was strongly reduced (>90%) in post-digestion residue, suggesting high bioavailability. Raw biomass in diluted organic medium gave the highest bacterial growth (8.5 logCFU mL-1) and organic acid production (5 mg L-1), while bacterial survivability to digestion (<3%) did not improve. After fermentation, the antioxidant activity of lipophilic extracts increased (>90%). Fermentation appears an interesting process to obtain T. lutea-based functional foods, although further investigations are needed to optimize bacterial growth and fully evaluate its effects on functionality and organoleptic features.
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Affiliation(s)
- Caterina Pagnini
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Piazzale delle Cascine 18, 50144 Florence, Italy
| | - Giacomo Sampietro
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Piazzale delle Cascine 18, 50144 Florence, Italy
| | - Gaia Santini
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Piazzale delle Cascine 18, 50144 Florence, Italy
| | - Natascia Biondi
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Piazzale delle Cascine 18, 50144 Florence, Italy
| | - Liliana Rodolfi
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Piazzale delle Cascine 18, 50144 Florence, Italy
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19
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A novel cyclic dipeptide from Lactiplantibacillus plantarum MC39 inhibits proliferation of multidrug-resistant Klebsiella pneumoniae W8 and Enterobacter hormaechei U25. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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20
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Characterisation of the probiotic potential of Lactiplantibacillus plantarum K16 and its ability to produce the postbiotic metabolite γ-aminobutyric acid. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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21
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Changes on some quality characteristics of jujube juice with enzymatic hydrolysis prior to Lactobacillus plantarum fermentation. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01426-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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22
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He L, Chen Y, Zhang H, Wang H, Chen S, Liu S, Liu A, Li Q, Ao X, Liu Y. Isolation and identification of Lactobacillus and yeast species and their effect on the quality of fermented rice cakes. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.102984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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23
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Safety Assessment of Lactiplantibacillus plantarum TWK10 Based on Whole-Genome Sequencing, Phenotypic, and Oral Toxicity Analysis. Microorganisms 2022; 10:microorganisms10040784. [PMID: 35456834 PMCID: PMC9031848 DOI: 10.3390/microorganisms10040784] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/03/2022] [Accepted: 04/05/2022] [Indexed: 12/04/2022] Open
Abstract
Lactiplantibacillus plantarum TWK10 (TWK10), isolated from Taiwanese pickled cabbage, has been demonstrated to exert beneficial probiotic effects in both mice and humans. Here, we comprehensively assessed the safety of TWK10 using both in vivo and in vitro approaches, including whole-genome sequence analysis, an assessment of hemolytic activity, and performing an antimicrobial susceptibility test, the Ames bacterial reverse mutation assay, the chromosomal aberration test, a rodent peripheral blood micronucleus test, and the 28-day subacute oral toxicity assay. The results showed that there was no significant increase in the incidence of reverse mutations or chromosomal aberrations following exposure to TWK10. Moreover, no significant changes were detected either in the number of reticulocytes or the incidence of micronuclei in ICR mice, and no subacute toxicity was recorded in SD rats at the oral TWK10 dosage of 2000 mg/kg body weight/day repeated for 28 days. Additionally, TWK10 exhibited no hemolytic activity and was susceptible to all the antibiotics tested, except kanamycin. However, no antimicrobial resistance genes, virulence factors, or genes involved in biogenic amine synthesis were found in the genome of TWK10. Our findings demonstrated that TWK10 has high potential of being safe for human consumption as a probiotic.
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24
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Liu Y, Sheng J, Li J, Zhang P, Tang F, Shan C. Influence of lactic acid bacteria on physicochemical indexes, sensory and flavor characteristics of fermented sea buckthorn juice. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2021.101519] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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25
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Moraffah F, Kiani M, Abdollahi M, Yoosefi S, Vatanara A, Samadi N. In Vitro-In Vivo Correlation for the Antibacterial Effect of Lactiplantibacillus plantarum as a Topical Healer for Infected Burn Wound. Probiotics Antimicrob Proteins 2022; 14:675-689. [PMID: 35349102 DOI: 10.1007/s12602-022-09934-4] [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] [Accepted: 03/14/2022] [Indexed: 01/20/2023]
Abstract
Difficulties in delivering antimicrobial agents to wound areas and emersion of multiple drug resistant organisms (MDROs) have converted managing burn infections into a complicated task in medicine. Probiotics emerged not only as a probable solution for burn infections but also as an accelerator in the healing process. The probability of in vitro-in vivo correlation (IVIVC) in probiotic activity leads to lower costs in finding new therapeutic options. Simulated wound fluid (SWF) was used to evaluate the antibacterial function of Lactiplantibacillus plantarum in wounds. The growth parameters in SWF were evaluated using a logistic model to predict growth behavior in the wound area. In addition, probiotic antimicrobial activity and secretion of antibacterial substances in SWF were also studied. Data were used to select the initial dose and apply frequency for in vivo study. The wound models were infected by two main pathogens (Pseudomonas aeruginosa or Staphylococcus aureus). In vitro results showed less lag time associated with considerable acid production in SWF. In the following, secretion of antimicrobial substances and co-aggregation with pathogens became more important. The susceptibility of pathogens to these factors was different, and culture medium affected the yield of each factor involved in eliminating pathogens. Histological analysis and macroscopic examination of wounds revealed probiotics as effective as positive control or more. There were some differences in the antibacterial functions of probiotics in simulated and real wound environments. The in vitro effect of probiotics on removal of pathogens was not the same as the trend seen in vivo.
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Affiliation(s)
- Fatemeh Moraffah
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Melika Kiani
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Sepideh Yoosefi
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Vatanara
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
| | - Nasrin Samadi
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
- Pharmaceutical Quality Assurance Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran.
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26
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Xu Z, Li C, Ye Y, Wang T, Zhang S, Liu X. The β-galactosidase LacLM plays the major role in lactose utilization of Lactiplantibacillus plantarum. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112481] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Chen Y, Wu C, Xu W, Lu Z, Fu R, He X, Ma Z, Zhang H. Evaluation of degradation capability of nitrite and biogenic amines of lactic acid bacteria isolated from pickles and potential in sausage fermentation. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Yingqi Chen
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
| | - Changli Wu
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
| | - Weiying Xu
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
| | - Ziying Lu
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
| | - Rong Fu
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
| | - Xinyi He
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
| | - Zhuolin Ma
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
| | - Hongmei Zhang
- College of Biological and Pharmaceutical Science Guangdong University of Technology Guangzhou China
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Advancements in the Use of Fermented Fruit Juices by Lactic Acid Bacteria as Functional Foods: Prospects and Challenges of Lactiplantibacillus (Lpb.) plantarum subsp. plantarum Application. FERMENTATION 2021. [DOI: 10.3390/fermentation8010006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Lactic acid fermentation of fresh fruit juices is a low-cost and sustainable process, that aims to preserve and even enhance the organoleptic and nutritional features of the raw matrices and extend their shelf life. Selected Lactic Acid Bacteria (LAB) were evaluated in the fermentation of various fruit juices, leading in some cases to fruit beverages, with enhanced nutritional and sensorial characteristics. Among LAB, Lactiplantibacillus (Lpb.) plantarum subsp. plantarum strains are quite interesting, regarding their application in the fermentation of a broad range of plant-derived substrates, such as vegetables and fruit juices, since they have genome plasticity and high versatility and flexibility. L. plantarum exhibits a remarkable portfolio of enzymes that make it very important and multi-functional in fruit juice fermentations. Therefore, L. plantarum has the potential for the production of various bioactive compounds, which enhance the nutritional value and the shelf life of the final product. In addition, L. plantarum can positively modify the flavor of fruit juices, leading to higher content of desirable volatile compounds. All these features are sought in the frame of this review, aiming at the potential and challenges of L. plantarum applications in the fermentation of fruit juices.
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Wang B, Zhou Y, Mao Y, Gong L, Li X, Xu S, Wang F, Guo Q, Zhang H, Li W. Dietary Supplementation With Lactobacillus plantarum Ameliorates Compromise of Growth Performance by Modulating Short-Chain Fatty Acids and Intestinal Dysbiosis in Broilers Under Clostridium perfringens Challenge. Front Nutr 2021; 8:706148. [PMID: 34722602 PMCID: PMC8551491 DOI: 10.3389/fnut.2021.706148] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 09/17/2021] [Indexed: 12/12/2022] Open
Abstract
Clostridium perfringens is an important zoonotic pathogen associated with food contamination and poisoning, gas gangrene, necrotizing enterocolitis or necrotic enteritis in humans and animals. Dysbacteriosis is supposedly associated with the development of C. perfringens infection induced necrotic enteritis, but the detailed relationship between intestinal health, microbiome, and C. perfringens infection-induced necrotic enteritis remains poorly understood. This research investigated the effect of probiotics on the growth performance and intestinal health of broilers, and the involved roles of intestinal microbiota and microbial metabolic functions under C. perfringens infection. Results showed that subclinical necrotic enteritis was successfully induced as evidenced by the significant lower body weight (BW), suppressed feed conversion ratio (FCR), decreased ileal villus height and mucosal barrier function, and increased ileal histopathological score and bursal weight index. Lactobacillus plantarum or Paenibacillus polymyxa significantly attenuated C. perfringens-induced compromise of growth performance (BW, FCR) and ileal mucosa damage as illustrated by the increased ileal villus height and villus/crypt ratio, the decreased ileal histopathological score and the enhanced ileal mucosal barrier function. L. plantarum also significantly alleviated C. perfringens-induced enlarged bursa of fabricius and the decreased levels of ileal total SCFAs, acetate, lactate, and butyrate. Furthermore, dietary L. plantarum improved C. perfringens infection-induced intestinal dysbiosis as evidenced by significantly enriched short-chain fatty acids-producing bacteria (Lachnospiraceae, Ruminococcaceae, Oscillospira, Faecalibacterium, Blautia), reduced drug-resistant bacteria (Bacteroides, Alistipes) and enteric pathogens (Escherichia coli, Bacteroides fragilis) and bacterial metabolic dysfunctions as illustrated by significantly increased bacterial fatty acid biosynthesis, decreased bacterial lipopolysaccharide biosynthesis, and antibiotic biosynthesis (streptomycin and vancomycin). Additionally, the BW and intestinal SCFAs were the principal factors affecting the bacterial communities and microbial metabolic functions. The above findings indicate that dietary with L. plantarum attenuates C. perfringens-induced compromise of growth performance and intestinal dysbiosis by increasing SCFAs and improving intestinal health in broilers.
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Affiliation(s)
- Baikui Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Yuanhao Zhou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Yulong Mao
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Li Gong
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China.,School of Life Science and Engineering, Foshan University, Foshan, China
| | - Xiang Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Shujie Xu
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Fei Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Qianpeng Guo
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Huihua Zhang
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Weifen Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
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The Influence of Environmental Conditions on the Antagonistic Activity of Lactic Acid Bacteria Isolated from Fermented Meat Products. Foods 2021; 10:foods10102267. [PMID: 34681316 PMCID: PMC8534964 DOI: 10.3390/foods10102267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/17/2021] [Accepted: 09/22/2021] [Indexed: 02/01/2023] Open
Abstract
The aim of this study was to determine the impact of environmental conditions on the antimicrobial properties of 21 lactic acid bacteria strains in the selected indicator bacteria. To assess the antimicrobial activity of the whole bacteria culture (WBC), the agar well diffusion method was used. The interference of LAB strains with the growth of the selected indicator bacteria was evaluated by incubating co-cultures in the food matrix. Based on the conducted research, it was found that environmental conditions have a significant impact on the antimicrobial activity of lactic acid bacteria strains. The highest antimicrobial activity was recorded under optimal conditions for the development of LAB, the incubation time being different depending on the indicator strain used. The tested LAB strains were characterized by a high ability to inhibit indicator strains, especially in the food matrix. These results led us to further characterize and purify the antimicrobial compound produced by lactic acid bacteria taking into account changing environmental conditions.
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Singhal N, Singh NS, Mohanty S, Kumar M, Virdi JS. Rhizospheric Lactobacillus plantarum (Lactiplantibacillus plantarum) strains exhibit bile salt hydrolysis, hypocholestrolemic and probiotic capabilities in vitro. Sci Rep 2021; 11:15288. [PMID: 34315963 DOI: 10.21203/rs.3.rs-806530/v1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 07/16/2021] [Indexed: 05/27/2023] Open
Abstract
Lactobacillus plantarum (renamed as Lactiplantibacillus plantarum) has been isolated from many sources but very rarely from rhizospheric soil. This is the first report on isolation and assessment of probiotic capabilities of L. plantarum strains isolated from rhizospheric soil. The isolates were confirmed by 16S rRNA gene sequencing and named as NS14, NS16 and NGG. All the isolates were evaluated for bile salt hydrolysis, hypocholestrolemic potential and probiotic attributes. Our results indicated that all the strains harboured bsh and showed in vitro cholesterol assimilation capabilities which increased when bile salts were also present in the culture medium. Also, all the strains remained viable at high temperatures and in the presence of NaCl, lysozyme, simulated gastric juice, bile salts and, exhibited auto- and co-aggregation capabilities. Additionally, L. plantarum strain NS14 survived in the presence of phenols, acidic environment (pH 2-3) and was resistant to many clinically relevant antibiotics. Since, L. plantarum NS14 exhibited most of the desirable and essential characteristics of a probiotic it should be further investigated as a potent probiotic with an additional benefit as a hypocholesterolemic biotherapeutic. Moreover, rhizosphere can be explored as a useful ecological niche for isolating microorganisms with biotechnological and probiotic potential.
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Affiliation(s)
- Neelja Singhal
- Department of Biophysics, University of Delhi South Campus, New Delhi, India.
| | | | - Shilpa Mohanty
- Department of Microbiology, University of Delhi South Campus, New Delhi, India
| | - Manish Kumar
- Department of Biophysics, University of Delhi South Campus, New Delhi, India
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Rhizospheric Lactobacillus plantarum (Lactiplantibacillus plantarum) strains exhibit bile salt hydrolysis, hypocholestrolemic and probiotic capabilities in vitro. Sci Rep 2021; 11:15288. [PMID: 34315963 PMCID: PMC8316525 DOI: 10.1038/s41598-021-94776-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 07/16/2021] [Indexed: 11/26/2022] Open
Abstract
Lactobacillus plantarum (renamed as Lactiplantibacillus plantarum) has been isolated from many sources but very rarely from rhizospheric soil. This is the first report on isolation and assessment of probiotic capabilities of L. plantarum strains isolated from rhizospheric soil. The isolates were confirmed by 16S rRNA gene sequencing and named as NS14, NS16 and NGG. All the isolates were evaluated for bile salt hydrolysis, hypocholestrolemic potential and probiotic attributes. Our results indicated that all the strains harboured bsh and showed in vitro cholesterol assimilation capabilities which increased when bile salts were also present in the culture medium. Also, all the strains remained viable at high temperatures and in the presence of NaCl, lysozyme, simulated gastric juice, bile salts and, exhibited auto- and co-aggregation capabilities. Additionally, L. plantarum strain NS14 survived in the presence of phenols, acidic environment (pH 2–3) and was resistant to many clinically relevant antibiotics. Since, L. plantarum NS14 exhibited most of the desirable and essential characteristics of a probiotic it should be further investigated as a potent probiotic with an additional benefit as a hypocholesterolemic biotherapeutic. Moreover, rhizosphere can be explored as a useful ecological niche for isolating microorganisms with biotechnological and probiotic potential.
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Arellano K, Vazquez J, Park H, Lim J, Ji Y, Kang HJ, Cho D, Jeong HW, Holzapfel WH. Safety Evaluation and Whole-Genome Annotation of Lactobacillus plantarum Strains from Different Sources with Special Focus on Isolates from Green Tea. Probiotics Antimicrob Proteins 2021; 12:1057-1070. [PMID: 31786735 DOI: 10.1007/s12602-019-09620-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Lactobacillus plantarum shows high intraspecies diversity species, and has one of the largest genome sizes among the lactobacilli. It is adapted to diverse environments and provides a promising potential for various applications. The aim of the study was to investigate the safety and probiotic properties of 18 L. plantarum strains isolated from fermented food products, green tea, and insects. For preliminary safety evaluation the L. plantarum strains were tested for their ability to produce hemolysin and biogenic amines and for their antibiotic resistance. Based on preliminary safety screening, four strains isolated from green tea showed antibiotic resistance below the cut-off MIC values suggested by EFSA, and were selected out of the 18 strains for more detailed studies. Initial selection of strains with putative probiotic potential was determined by their capacity to survive in the human GIT using an in vitro simulation model, and for their adhesion to human Caco-2/TC-7 cell line. Under simulated GIT conditions, all four L. plantarum strains isolated from green tea showed higher survival rates than the control (L. plantarum subsp. plantarum ATCC 14917). All studied strains were genetically identified by 16S rRNA gene sequencing and confirmed to be L. plantarum. In addition, whole-genome sequence analysis of L. plantarum strains APsulloc 331261 and APsulloc 331263 from green tea was performed, and the outcome was compared with the genome of L. plantarum strain WCFS1. The genome was also annotated, and genes related to virulence factors were searched for. The results suggest that L. plantarum strains APsulloc 331261 and APsulloc 331263 can be considered as potential beneficial strains for human and animal applications.
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Affiliation(s)
- Karina Arellano
- Advanced Green Energy and Environment Institute (AGEE), Handong Global University, Handong-ro 558, Pohang-si, Gyungbuk, 37554, South Korea
| | - Jorge Vazquez
- Advanced Green Energy and Environment Institute (AGEE), Handong Global University, Handong-ro 558, Pohang-si, Gyungbuk, 37554, South Korea
| | - Haryung Park
- Advanced Green Energy and Environment Institute (AGEE), Handong Global University, Handong-ro 558, Pohang-si, Gyungbuk, 37554, South Korea
| | - Juhwan Lim
- Advanced Green Energy and Environment Institute (AGEE), Handong Global University, Handong-ro 558, Pohang-si, Gyungbuk, 37554, South Korea
| | - Yosep Ji
- Advanced Green Energy and Environment Institute (AGEE), Handong Global University, Handong-ro 558, Pohang-si, Gyungbuk, 37554, South Korea
- Holzapfel Effective Microbes Inc, Iui-dong 1286, Suwon-si, Gyeonggi-do, 31286, South Korea
| | - Hye-Ji Kang
- Advanced Green Energy and Environment Institute (AGEE), Handong Global University, Handong-ro 558, Pohang-si, Gyungbuk, 37554, South Korea
| | - Donghyun Cho
- Vital Beautie Research Division, Amorepacific R&D Center, Yonggin-si, Gyeonggi-do, 17074, South Korea
| | - Hyun Woo Jeong
- Vital Beautie Research Division, Amorepacific R&D Center, Yonggin-si, Gyeonggi-do, 17074, South Korea
| | - Wilhelm Heinrich Holzapfel
- Advanced Green Energy and Environment Institute (AGEE), Handong Global University, Handong-ro 558, Pohang-si, Gyungbuk, 37554, South Korea.
- Holzapfel Effective Microbes Inc, Iui-dong 1286, Suwon-si, Gyeonggi-do, 31286, South Korea.
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Li T, Jiang T, Liu N, Wu C, Xu H, Lei H. Biotransformation of phenolic profiles and improvement of antioxidant capacities in jujube juice by select lactic acid bacteria. Food Chem 2020; 339:127859. [PMID: 32829244 DOI: 10.1016/j.foodchem.2020.127859] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/29/2020] [Accepted: 08/15/2020] [Indexed: 11/24/2022]
Abstract
The objective of this study was to investigate the effects of four commercial lactic acid bacteria (LAB), namely L. acidophilus, L. casei, L. helveticus and L. plantarum, on the phenolic profiles, antioxidant capacities and flavor profiles of jujube juices prepared from two crop varieties (Ziziphus Jujuba cv. Muzao and Hetian). Results showed that both jujube juices were excellent matrices for LAB growth with more than 11 log CFU/mL of viable counts at the end of fermentation. LAB fermentation dramatically increased total phenolic content, while decreased total flavonoid content of jujube juices. However, antioxidant capacities based on DPPH and FRAP methods were significantly improved by LAB fermentation and positively correlated with caffeic acid and rutin contents. Furthermore, a total of 74 volatile compounds were identified and increased in total content by LAB fermentation, which resulted in 22 and 19 new flavor volatiles formation in Muzao juice and Hetian juice, respectively.
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Affiliation(s)
- Tianlin Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
| | - Tian Jiang
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Ning Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Caiyun Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
| | - Huaide Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Hongjie Lei
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
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Huang D, Yang B, Chen Y, Stanton C, Ross RP, Zhao J, Zhang H, Chen W. Comparative genomic analyses of Lactobacillus rhamnosus isolated from Chinese subjects. FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Gao Y, Liu Y, Sun M, Zhang H, Mu G, Tuo Y. Physiological function analysis of Lactobacillus plantarum Y44 based on genotypic and phenotypic characteristics. J Dairy Sci 2020; 103:5916-5930. [PMID: 32418691 DOI: 10.3168/jds.2019-18047] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 03/05/2020] [Indexed: 12/14/2022]
Abstract
In our previous studies, Lactobacillus plantarum Y44 showed antioxidant activity and favorable gastric and intestinal transit tolerance. In the current study, we investigated the physiological function of L. plantarum Y44 based on an analysis of its genotype and phenotype. The complete genome of L. plantarum Y44 contained a single circular chromosome of 3,255,555 bp, with a GC content of 44.6%, and a single circular plasmid of 51,167 bp, with a GC content of 38.8%. The L. plantarum Y44 genome contained 3,293 genes including 3,112 protein coding sequences, 16 rRNAs, 66 tRNAs, 4 small (s)RNAs, and 95 pseudo genes. Lactobacillus plantarum Y44 could metabolize 24 different carbohydrate sources. Nineteen complete phosphoenolpyruvate-dependent sugar phosphotransferase system complex genes and intact Embden-Meyerhof-Parnas pathway and hexose monophosphate pathway enzyme genes, as well as abundant carbohydrate active enzyme genes, were identified in the L. plantarum Y44 genome. We also identified genes related to the biosynthesis of exopolysaccharide and surface proteins. Surface proteins played an important role in the L. plantarum Y44 adhesion to HT-29 cell monolayers, as evidenced by the removal of cell surface proteins leading to decreased adhesion capacity. The L. plantarum Y44 genome contained genes encoding chaperones, intracellular proteases, and 2-component systems, which were associated with the general stress response. Genes encoding bile salt hydrolase, F0F1-ATPase, Na+/H+-antiporter, H+/Cl- exchange transporter, cyclopropane-fatty acyl-phospholipid synthase, and alkaline shock protein were identified in the L. plantarum Y44 genome, which might explain the strain's favorable gastric and intestinal transit tolerance. Some genes associated with encoding the NADH system, glutathione system, and thioredoxin system were predicted via in silico analysis and might account for the strain's ability to scavenge reactive oxygen species. Lactobacillus plantarum Y44 was susceptive to 7 antibiotics and did not produce biogenic amines, likely due to the absence of acquired antibiotic resistance genes and amino acid decarboxylase genes. The phenotype profile of L. plantarum Y44 was associated with its genetic characteristics, indicating that strains with certain physiological functions can be screened by analyzing their phenotypic and genotypic characteristics. Lactobacillus plantarum Y44 has the potential to be used as a starter culture in fermented dairy products.
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Affiliation(s)
- Yuan Gao
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Dalian Probiotics Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Yujun Liu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Mengying Sun
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Dalian Probiotics Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Heping Zhang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Guangqing Mu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Dalian Probiotics Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, China.
| | - Yanfeng Tuo
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Dalian Probiotics Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, China.
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Zhou XL, Ouyang Z, Zhang XL, Wei YQ, Tang SX, Tan ZL, Wang CJ, He ZX, Teklebrhan T, Han XF. Effects of a high-dose Saccharomyces cerevisiae inoculum alone or in combination with Lactobacillus plantarum on the nutritional composition and fermentation traits of maize silage. ANIMAL PRODUCTION SCIENCE 2020. [DOI: 10.1071/an18701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Context
The inoculation of silage with Saccharomyces cerevisiae to deliver viable yeast cells is a novel concept.
Aims
The effects of a high-dose S. cerevisiae inoculum alone or combined with Lactobacillus plantarum on the nutritional composition, fermentation traits and aerobic stability of maize silage were studied after 30, 60 and 90 days of storage.
Methods
Whole-crop maize (309.3 g dry matter (DM)/kg as fed) was subjected to one of three treatments: deionised water (untreated control); S. cerevisiae at an estimated concentration of 108 CFU/g fresh forage (S); or S. cerevisiae at an estimated concentration of 108 CFU/g and L. plantarum at an estimated concentration of 105 CFU/g of fresh forage (SL).
Key results
Compared with the control, the S and SL groups showed increases (P < 0.001) in average pH (3.98 in S and 4.01 in SL vs 3.65 in the control), crude protein (85 g/kg DM in S and 80 g/kg DM in SL vs 63 g/kg DM in the control) and ammonia nitrogen/total nitrogen (122.2 g/kg in S and 163.9 g/kg in SL vs 52.9 g/kg in the control) but a lower (P < 0.001) average concentration of water-soluble carbohydrate (0.9 g/kg DM in S and 0.7 g/kg DM in SL vs 2.3 g/kg DM in the control). The levels of neutral detergent fibre and acid detergent fibre were greater (P < 0.001) in S silage than in the control and SL silages, and the hemicellulose level was lower (P = 0.004) in the SL group than the control and S groups. Starch and aerobic stability were unaffected by treatment, and the average lactate and ethanol concentrations were higher (P < 0.001) in the S (53.7 g lactate/kg DM and 28.7 g ethanol/kg DM) and SL (56.9 g lactate/kg DM and 21.4 g ethanol/kg DM) groups than the control (40.1 g lactate/kg DM and 5.3 g ethanol/kg DM) over 90 days of ensiling.
Conclusions
Overall, a high-dose inoculum of S. cerevisiae alone or combined with L. plantarum affected the nutritional composition and fermentation traits of maize silage.
Implications
The inoculation of maize silage with a high dose of S. cerevisiae needs to be performed with caution.
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Use of Dairy and Plant-Derived Lactobacilli as Starters for Cherry Juice Fermentation. Nutrients 2019; 11:nu11020213. [PMID: 30678152 PMCID: PMC6412669 DOI: 10.3390/nu11020213] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/08/2019] [Accepted: 01/16/2019] [Indexed: 12/28/2022] Open
Abstract
Background: Lactic acid bacteria (LAB) exhibit a great biodiversity that can be exploited for different purposes, such as to enhance flavours or metabolize phenolic compounds. In the present study, the use of dairy and plant-derived LAB strains to perform cherry juice fermentation is reported. Methods: The growth ability of Lactobacillus plantarum, Lactobacillus casei, Lactobacillus paracasei and Lactobacillus rhamnosus was studied in cherry juice. Profiling of sugars, organic acids and volatile compounds was performed by GC-MS (Gas Chromatography-Mass Spectrometry), while the phenolic fraction was characterized using UHPLC (Ultra High Performance Liquid Chromatography) equipped with a linear ion trap-mass spectrometer. Results: Sucrose significantly decreased in all fermented samples as well as malic acid, converted to lactic acid by malolactic fermentation. The total amount of volatile compounds increased. Specifically, propyl acetate, an ester with fruit notes, reached the highest concentration in L. rhamnosus and L. paracasei (dairy strains) fermented juices. Phenolics were extensively metabolized: caffeic acid was converted into dihydrocaffeic acid, p-coumaric acid into 4-ethylphenol and phenyllactic acid was produced. Conclusion: Lactic acid fermentation confer fruit notes to the juice and enhance phenyllactic acids, especially employing dairy strains (L. rhamnosus and L. paracasei). The level of dihydrocaffeic acid, a compound with putative biological activity was also increased (in particular with L. plantarum).
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Isolation, Molecular Characterization and Probiotic Potential of Lactic Acid Bacteria in Saudi Raw and Fermented Milk. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:7970463. [PMID: 30147735 PMCID: PMC6083559 DOI: 10.1155/2018/7970463] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 03/22/2018] [Accepted: 07/12/2018] [Indexed: 01/15/2023]
Abstract
Probiotic bacteria can confer health benefits to the human gastrointestinal tract. Lactic acid bacteria (LAB) are candidate probiotic bacteria that are widely distributed in nature and can be used in the food industry. The objective of this study is to isolate and characterize LAB present in raw and fermented milk in Saudi Arabia. Ninety-three suspected LAB were isolated from thirteen different types of raw and fermented milk from indigenous animals in Saudi Arabia. The identification of forty-six selected LAB strains and their genetic relatedness was performed based on 16S rDNA gene sequence comparisons. None of the strains exhibited resistance to clinically relevant antibiotics or had any undesirable hemolytic activity, but they differed in their other probiotic characteristics, that is, tolerance to acidic pH, resistance to bile, and antibacterial activity. In conclusion, the isolates Lactobacillus casei MSJ1, Lactobacillus casei Dwan5, Lactobacillus plantarum EyLan2, and Enterococcus faecium Gail-BawZir8 are most likely the best with probiotic potentials. We speculate that studying the synergistic effects of bacterial combinations might result in a more effective probiotic potential. We suspect that raw and fermented milk products from animals in Saudi Arabia, especially Laban made from camel milk, are rich in LAB and have promising probiotic potential.
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Parlindungan E, Dekiwadia C, Tran KT, Jones OA, May BK. Morphological and ultrastructural changes in Lactobacillus plantarum B21 as an indicator of nutrient stress. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.02.072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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41
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Shu G, He Y, Wan H, Hui Y, Li H. Effects of Prebiotics on Antioxidant Activity of Goat Milk Fermented by Lactobacillus plantarum L60. ACTA UNIVERSITATIS CIBINIENSIS. SERIES E: FOOD TECHNOLOGY 2017. [DOI: 10.1515/aucft-2017-0010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Abstract
The production of functional fermented goat milk with synbiotic have attracted widespread attention recently with the purpose of promoting health. The aim of present study was to investigate the effects of several prebiotics (inulin, fructo-oligosaccharide, galacto-oligosaccharide and xylo-oligosaccharide) on antioxidant activity and promote the development of functional goat milk. All the prebiotics exhibited the potential of enhancing the antioxidant activity of fermented goat milk, especially inulin and fructo-oligosaccharide showed better promotive effects. The optimum additions of inulin, xylo-oligosaccharide, galacto-oligosaccharide and fructo-oligosaccharide obtained were 0.6%, 0.6%, 0.6% and 0.4%, respectively. The DPPH radical scavenging rates reached to 75.52%, 74.12%, 69.41%, 80.28%, respectively, and the scavenging rates of superoxide radical were 21.09%, 18.20%, 27.61% and 29.92%, respectively, which were all higher than the control. This paper provides theoretical basis for the development of the functional goat milk.
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Affiliation(s)
- Guowei Shu
- School of Food and Biological Engineering , Shaanxi University of Science and Technology , Xi’an , China
| | - Yunxia He
- School of Food and Biological Engineering , Shaanxi University of Science and Technology , Xi’an , China
| | - Hongchang Wan
- Shaanxi Yatai Dairy Co., Ltd. , Xianyang , 713701 , China
| | - Yixin Hui
- School of Food and Biological Engineering , Shaanxi University of Science and Technology , Xi’an , China
| | - Hong Li
- Shaanxi Yatai Dairy Co., Ltd. , Xianyang , 713701 , China
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Fernandes P, Loureiro D, Monteiro V, Ramos C, Nero LA, Todorov SD, Guerreiro JS. Lactobacillus plantarum isolated from cheese: production and partial characterization of bacteriocin B391. ANN MICROBIOL 2017. [DOI: 10.1007/s13213-017-1275-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Ahmadzadeh Nia S, Hanifian S. Survival of Listeria monocytogenes
strains in ultra-filtered white cheese: Effect of Lactobacillus plantarum
and incubation period. J FOOD PROCESS PRES 2017. [DOI: 10.1111/jfpp.13283] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sara Ahmadzadeh Nia
- Department of Food Science and Technology; Tabriz Branch, Islamic Azad University; Tabriz Iran
| | - Shahram Hanifian
- Department of Food Science and Technology; Tabriz Branch, Islamic Azad University; Tabriz Iran
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Lactobacillus plantarum and Its Probiotic and Food Potentialities. Probiotics Antimicrob Proteins 2017; 9:111-122. [DOI: 10.1007/s12602-017-9264-z] [Citation(s) in RCA: 121] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Perin LM, Todorov SD, Nero LA. Investigation of genes involved in nisin production in Enterococcus spp. strains isolated from raw goat milk. Antonie van Leeuwenhoek 2016; 109:1271-80. [PMID: 27255139 DOI: 10.1007/s10482-016-0721-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 05/25/2016] [Indexed: 10/21/2022]
Abstract
Different strains of Lactococcus lactis are capable of producing the bacteriocin nisin. However, genetic transfer mechanisms allow the natural occurrence of genes involved in nisin production in members of other bacterial genera, such as Enterococcus spp. In a previous study, nisA was identified in eight enterococci capable of producing antimicrobial substances. The aim of this study was to verify the presence of genes involved in nisin production in Enterococcus spp. strains, as well as nisin expression. The nisA genes from eight Enterococcus spp. strains were sequenced and the translated amino acid sequences were compared to nisin amino-acid sequences previously described in databases. Although containing nisin structural and maturation related genes, the enterococci strains tested in the present study did not present the immunity related genes (nisFEG and nisI). The translated sequences of nisA showed some point mutations, identical to those presented by Lactococcus strains isolated from goat milk. All enterococci were inhibited by nisin, indicating the absence of immunity and thus that nisin cannot be expressed. This study demonstrated for the first time the natural occurrence of nisin structural genes in Enterococcus strains and highlights the importance of providing evidence of a link between the presence of bacteriocin genes and their expression.
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Affiliation(s)
- Luana Martins Perin
- Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570 900, Brazil
| | | | - Luís Augusto Nero
- Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570 900, Brazil.
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Microbiological and physico-chemical analysis of fermented protein-fortified cassava (Manihot esculenta Crantz) flour. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2015.10.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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47
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Characterization of a novel bacteriocin produced by Lactobacillus plantarum ST8SH and some aspects of its mode of action. ANN MICROBIOL 2015. [DOI: 10.1007/s13213-015-1180-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Abstract
There is increasing evidence that whey protein isolates (WPI), can be utilised to encapsulate and protect bioactive substances, including lactic acid bacteria, due to their physicochemical properties. However, little is known about what happens in the immediate vicinity of the cells. This study examined the protective behaviour of WPI for two strains of Lactobacillus plantarum, A17 and B21, during spray drying. B21 was found to be more hydrophobic than A17 and required 50% of the amount of WPI to provide comparably high survival (∼ 90%). We hypothesise that WPI protects the hydrophobic bacteria by initial attachment to the unfolded whey protein due to hydrophobic interactions followed by adhesion to the proteins, resulting in cells being embedded within the walls of the capsules. The encapsulated strains had a moisture content of approximately 5.5% and during storage trials at 20 °C retained viability for at least eight weeks.
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Shokoohi M, Razavi S, Labbafi M, Vahidinia A, Gharibzahedi S. Wheat sprout flour as an attractive substrate for the producing probiotic fermented beverages: process development and product characterisation. QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2015. [DOI: 10.3920/qas2014.0402] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- M. Shokoohi
- Faculty of Agricultural Engineering and Technology, Department of Food Science, Engineering and Technology, Bioprocess Engineering Laboratory (BPEL), University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran
| | - S.H. Razavi
- Faculty of Agricultural Engineering and Technology, Department of Food Science, Engineering and Technology, Bioprocess Engineering Laboratory (BPEL), University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran
| | - M. Labbafi
- Faculty of Agricultural Engineering and Technology, Department of Food Science, Engineering and Technology, Bioprocess Engineering Laboratory (BPEL), University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran
| | - A. Vahidinia
- Department of Biochemistry and Nutrition, University of Medical Sciences of Hamedan, Hamedan 8678-3-65178, Iran
| | - S.M.T. Gharibzahedi
- Faculty of Agricultural Engineering and Technology, Department of Food Science, Engineering and Technology, Bioprocess Engineering Laboratory (BPEL), University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran
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A large diversity of lactic acid bacteria species is involved in the fermentation of wheat used for the manufacture of lemzeiet. Eur Food Res Technol 2015. [DOI: 10.1007/s00217-015-2442-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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