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Jung S, Hwang IM, Lee JH. Temperature impact on microbial and metabolic profiles in kimchi fermentation. Heliyon 2024; 10:e27174. [PMID: 38468946 PMCID: PMC10926072 DOI: 10.1016/j.heliyon.2024.e27174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/21/2024] [Accepted: 02/26/2024] [Indexed: 03/13/2024] Open
Abstract
Kimchi is a traditional Korean fermented food and harbors diverse bacteria. Therefore, proper temperature management contributes to the fermentation and preservation of kimchi. In this study, we explored fermentation temperature influences the bacterial composition and metabolite variations in kimchi, employing pyrosequencing for bacterial community analysis and mass spectrometry for metabolite profiling. Elevated temperatures within the range of 10-15 °C had a significant impact on the community of lactic acid bacteria (LAB) compared to 4 °C, leading to increased bacterial diversity and richness. We observed a significant increase in Lactiplantibacillus plantarum and Latilactobacillus sakei, alongside a reduction in Lactococcus lactis, during fermentation at 10-15 °C. These changes occurred within a similar pH range across different kimchi fermentation periods. We performed a liquid extraction via the acetonitrile method, which involved the collection of kimchi samples, and performed LC-MS analysis. Our analysis revealed approximately 5000 metabolites. Notably, we observed a significant increase in metabolite counts, with 3048 metabolites increasing at 10 °C and 2853 metabolites exhibiting a similar trend at 15 °C. Metabolite analysis showed an increase in lactic and succinic acid with increased glucose and sucrose consumption at 10 and 15 °C. These results indicated that elevated temperatures significantly influenced the glycolysis and tricarboxylic acid cycle, leading to increased acidity during the fermentation process. These findings show the crucial role played by temperature in controlling the fermentation process, thereby influencing the bacterial succession and the resulting flavor and taste of the product. Therefore, proper temperature management can effectively control kimchi fermentation and yield the desired sensory properties.
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Affiliation(s)
- Sera Jung
- Fermentation Regulation Research Group, Technology Innovation Research Division, World Institute of Kimchi, Gwangju, 61755, Republic of Korea
| | - In Min Hwang
- Fermentation Regulation Research Group, Technology Innovation Research Division, World Institute of Kimchi, Gwangju, 61755, Republic of Korea
| | - Jong-Hee Lee
- Fermentation Regulation Research Group, Technology Innovation Research Division, World Institute of Kimchi, Gwangju, 61755, Republic of Korea
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Medeiros D, McMurry K, Pfeiffer M, Newsome K, Testerman T, Graf J, Silver AC, Sacchetti P. Slowing Alzheimer's disease progression through probiotic supplementation. Front Neurosci 2024; 18:1309075. [PMID: 38510467 PMCID: PMC10950931 DOI: 10.3389/fnins.2024.1309075] [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: 10/07/2023] [Accepted: 01/30/2024] [Indexed: 03/22/2024] Open
Abstract
The lack of affordable and effective therapeutics against cognitive impairment has promoted research toward alternative approaches to the treatment of neurodegeneration. In recent years, a bidirectional pathway that allows the gut to communicate with the central nervous system has been recognized as the gut-brain axis. Alterations in the gut microbiota, a dynamic population of trillions of microorganisms residing in the gastrointestinal tract, have been implicated in a variety of pathological states, including neurodegenerative disorders such as Alzheimer's disease (AD). However, probiotic treatment as an affordable and accessible adjuvant therapy for the correction of dysbiosis in AD has not been thoroughly explored. Here, we sought to correct the dysbiosis in an AD mouse model with probiotic supplementation, with the intent of exploring its effects on disease progression. Transgenic 3xTg-AD mice were fed a control or a probiotic diet (Lactobacillus plantarum KY1032 and Lactobacillus curvatus HY7601) for 12 weeks, with the latter leading to a significant increase in the relative abundance of Bacteroidetes. Cognitive functions were evaluated via Barnes Maze trials and improvements in memory performance were detected in probiotic-fed AD mice. Neural tissue analysis of the entorhinal cortex and hippocampus of 10-month-old 3xTg-AD mice demonstrated that astrocytic and microglial densities were reduced in AD mice supplemented with a probiotic diet, with changes more pronounced in probiotic-fed female mice. In addition, elevated numbers of neurons in the hippocampus of probiotic-fed 3xTg-AD mice suggested neuroprotection induced by probiotic supplementation. Our results suggest that probiotic supplementation could be effective in delaying or mitigating early stages of neurodegeneration in the 3xTg-AD animal model. It is vital to explore new possibilities for palliative care for neurodegeneration, and probiotic supplementation could provide an inexpensive and easily implemented adjuvant clinical treatment for AD.
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Affiliation(s)
- Destynie Medeiros
- Department of Biology, University of Hartford, West Hartford, CT, United States
| | - Kristina McMurry
- Neuroscience Program, Department of Biology, University of Hartford, West Hartford, CT, United States
| | - Melissa Pfeiffer
- Neuroscience Program, Department of Biology, University of Hartford, West Hartford, CT, United States
| | - Kayla Newsome
- Department of Biology, University of Hartford, West Hartford, CT, United States
| | - Todd Testerman
- Department of Molecular Cellular Biology, UConn, Storrs, CT, United States
| | - Joerg Graf
- Department of Molecular Cellular Biology, UConn, Storrs, CT, United States
| | - Adam C. Silver
- Department of Biology, University of Hartford, West Hartford, CT, United States
| | - Paola Sacchetti
- Department of Biology, University of Hartford, West Hartford, CT, United States
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3
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Hati S, Ramanuj K, Basaiawmoit B, Sreeja V, Maurya R, Bishnoi M, Kondepudi KK, Mishra B. Safety aspects, probiotic potentials of yeast and lactobacillus isolated from fermented foods in North-Eastern India, and its anti-inflammatory activity. Braz J Microbiol 2023; 54:2073-2091. [PMID: 37612545 PMCID: PMC10485210 DOI: 10.1007/s42770-023-01093-0] [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: 03/08/2023] [Accepted: 08/03/2023] [Indexed: 08/25/2023] Open
Abstract
Lactobacillus and yeast obtained from fermented foods in North-East India were tested for safety and probiotic properties. All the lactobacilli and yeast tested negative for the catalase, indole, urease, phenylalanine, hemolysis, gelatin hydrolysis, and biogenic amine production tests, indicating that they are safe to use as probiotics in food supplements. Lactiplantibacillus plantarum KGL3A (accession no. MG722814) was capable of resisting the replicated gastric fluid (pH 2) till 2 h of exposure, whereas both KGL3A and Lacticaseibacillus rhamnosus K4E (accession no. KX950834.1) strains were able to resist pH 3 till 2 h of exposure with a reduction in overall viable cell count from 7.48 log CFU/mL to 1.09 log CFU/mL and 7.77 log CFU/mL to 0.83 log CFU/mL, respectively. In vitro gastric juice simulation conditions were tolerated by the yeast Saccharomyces cerevisiae WBS2A. The cell surface hydrophobicity (CSH) towards hydrocarbons (n-hexadecane) was seen highest in L. plantarum KGL3A (77.16± 0.84%) and Limosilactobacillus fermentum KGL4 accession no. MF951099 (72.60 ± 2.33%). The percentage auto-aggregation ranged from 8.70 to 25.53 after 2 h, which significantly increased to 10.50 to 26.94 during the fifth hour for cultures. Also, a higher percentage of co-aggregation was found for the culture L. rhamnosus K4E with S. typhi (34.18 ± 0.03%), E. coli (32.97 ± 0.02 %) and S. aureus (26.33 ± 0.06 %) and for the yeast S. cerevisiae WBS2A, a higher percentage of co-aggregation was found with Listeria monocytogenes (25.77 ± 0.22%). The antioxidant activity and proteolytic activity were found to be higher for Lactobacillus helveticus K14 and L. rhamnosus K4E. The proportion of decreased cholesterol was noticeably higher in KGL4 (29.65 ± 4.30%). β glucosidase activity was significantly higher in the L. fermentum KGL4 strain (0.359 ± 0.002), and α galactosidase activity was significantly higher in the L. rhamnosus K4E strain (0.415 ± 0.016). MTT assays suggested that KGL4 and WBS2A at a lower dose did not exhibit cytotoxicity.
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Affiliation(s)
- Subrota Hati
- Dairy Microbiology Department, SMC College of Dairy Science, Kamdhenu University, Anand, Gujarat, India
| | - Krupali Ramanuj
- Dairy Microbiology Department, SMC College of Dairy Science, Kamdhenu University, Anand, Gujarat, India
| | - Bethsheba Basaiawmoit
- Department of Rural Development and Agricultural Production, North-Eastern Hill University, Tura Campus, Tura, Meghalaya, India
| | - V Sreeja
- Dairy Microbiology Department, SMC College of Dairy Science, Kamdhenu University, Anand, Gujarat, India
| | - Ruchika Maurya
- Regional Center for Biotechnology, Faridabad, Haryana, India
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, Knowledge City, Punjab, India
| | - Mahendra Bishnoi
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, Knowledge City, Punjab, India
| | - Kanthi Kiran Kondepudi
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, Knowledge City, Punjab, India
| | - Birendrakumar Mishra
- Department of Rural Development and Agricultural Production, North-Eastern Hill University, Tura Campus, Tura, Meghalaya, India.
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Cha J, Kim YB, Park SE, Lee SH, Roh SW, Son HS, Whon TW. Does kimchi deserve the status of a probiotic food? Crit Rev Food Sci Nutr 2023; 64:6512-6525. [PMID: 36718547 DOI: 10.1080/10408398.2023.2170319] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Kimchi is a traditional fermented vegetable side dish in Korea and has become a global health food. Kimchi undergoes spontaneous fermentation, mainly by lactic acid bacteria (LAB) originating from its raw ingredients. Numerous LAB, including the genera Leuconostoc, Weissella, and Lactobacillus, participate in kimchi fermentation, reaching approximately 9-10 log colony forming units per gram or milliliter of food. The several health benefits of LAB (e.g., antioxidant and anti-inflammatory properties) combined with their probiotic potential in complex diseases including obesity, cancer, atopic dermatitis, and immunomodulatory effect have generated an interest in the health effects of LAB present in kimchi. In order to estimate the potential of kimchi as a probiotic food, we comprehensively surveyed the health functionalities of kimchi and kimchi LAB, and their effects on human gut environment, highlighting the probiotics function.
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Affiliation(s)
- Jeongmin Cha
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
| | - Yeon Bee Kim
- Kimchi Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
| | - Seong-Eun Park
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
| | - Se Hee Lee
- Kimchi Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
| | - Seong Woon Roh
- Kimchi Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
| | - Hong-Seok Son
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
| | - Tae Woong Whon
- Kimchi Functionality Research Group, World Institute of Kimchi, Gwangju, Republic of Korea
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Dias MAM, Nitschke M. Bacterial-derived surfactants: an update on general aspects and forthcoming applications. Braz J Microbiol 2023; 54:103-123. [PMID: 36662441 PMCID: PMC9857925 DOI: 10.1007/s42770-023-00905-7] [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: 03/08/2022] [Accepted: 01/10/2023] [Indexed: 01/21/2023] Open
Abstract
The search for sustainable alternatives to the production of chemicals using renewable substrates and natural processes has been widely encouraged. Microbial surfactants or biosurfactants are surface-active compounds synthesized by fungi, yeasts, and bacteria. Due to their great metabolic versatility, bacteria are the most traditional and well-known microbial surfactant producers, being Bacillus and Pseudomonas species their typical representatives. To be successfully applied in industry, surfactants need to maintain stability under the harsh environmental conditions present in manufacturing processes; thus, the prospection of biosurfactants derived from extremophiles is a promising strategy to the discovery of novel and useful molecules. Bacterial surfactants show interesting properties suitable for a range of applications in the oil industry, food, agriculture, pharmaceuticals, cosmetics, bioremediation, and more recently, nanotechnology. In addition, they can be synthesized using renewable resources as substrates, contributing to the circular economy and sustainability. The article presents a general and updated review of bacterial-derived biosurfactants, focusing on the potential of some groups that are still underexploited, as well as, recent trends and contributions of these versatile biomolecules to circular bioeconomy and nanotechnology.
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Affiliation(s)
- Marcos André Moura Dias
- grid.11899.380000 0004 1937 0722Departamento de Físico-Química, Instituto de Química de São Carlos, Universidade de São Paulo-USP, Av Trabalhador São Carlense 400, CP 780, CEP 13560-970 São Carlos, SP Brasil
| | - Marcia Nitschke
- Departamento de Físico-Química, Instituto de Química de São Carlos, Universidade de São Paulo-USP, Av Trabalhador São Carlense 400, CP 780, CEP 13560-970, São Carlos, SP, Brasil.
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Prazdnova EV, Mazanko MS, Chistyakov VA, Bogdanova AA, Refeld AG, Kharchenko EY, Chikindas ML. Antimutagenic Activity as a Criterion of Potential Probiotic Properties. Probiotics Antimicrob Proteins 2022; 14:1094-1109. [PMID: 35028920 DOI: 10.1007/s12602-021-09870-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2021] [Indexed: 12/25/2022]
Abstract
The antimutagenic activity of probiotic strains has been reported over several decades of studying the effects of probiotics. However, this activity is rarely considered an important criterion when choosing strains to produce probiotic preparations and functional food. Meanwhile, the association of antimutagenic activity with the prevention of oncological diseases, as well as with a decrease in the spread of resistant forms in the microbiota, indicates its importance for the selection of probiotics. Besides, an antimutagenic activity can be associated with probiotics' broader systemic effects, such as geroprotective activity. The main mechanisms of such effects are considered to be the binding of mutagens, the transformation of mutagens, and inhibition of the transformation of promutagens into antimutagens. Besides, we should consider the possibility of interaction of the microbiota with regulatory processes in eukaryotic cells, in particular, through the effect on mitochondria. This work aims to systematize data on the antimutagenic activity of probiotics and emphasize antimutagenic activity as a significant criterion for the selection of probiotic strains.
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Affiliation(s)
- Evgeniya V Prazdnova
- Academy of Biology and Biotechnologies, Southern Federal University, Prospect Stachki, 194/1, Rostov-on-Don, Russia. .,Center for Agrobiotechnology, Don State Technical University, Rostov-on-Don, Russia.
| | - Maria S Mazanko
- Academy of Biology and Biotechnologies, Southern Federal University, Prospect Stachki, 194/1, Rostov-on-Don, Russia.,Center for Agrobiotechnology, Don State Technical University, Rostov-on-Don, Russia
| | - Vladimir A Chistyakov
- Academy of Biology and Biotechnologies, Southern Federal University, Prospect Stachki, 194/1, Rostov-on-Don, Russia.,Center for Agrobiotechnology, Don State Technical University, Rostov-on-Don, Russia
| | - Anna A Bogdanova
- Evolutionary Biomedicine Laboratory, SCAMT Institute, ITMO University, Saint Petersburg, Russia
| | - Aleksandr G Refeld
- Cell Biophysics Laboratory, SCAMT Institute, ITMO University, Saint Petersburg, Russia
| | - Evgeniya Y Kharchenko
- Academy of Biology and Biotechnologies, Southern Federal University, Prospect Stachki, 194/1, Rostov-on-Don, Russia
| | - Michael L Chikindas
- Center for Agrobiotechnology, Don State Technical University, Rostov-on-Don, Russia.,Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ, USA.,I.M. Sechenov First Moscow State Medical University, Moscow, Russia
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Anti-Influenza Virus Potential of Probiotic Strain Lactoplantibacillus plantarum YML015 Isolated from Korean Fermented Vegetable. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8110572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Lactic acid bacteria are one of the potential natural remedies used worldwide, commonly known as probiotics. Here, the aim of this research investigation was to isolate a probiotic Lactobacilli strain, YLM015, from the popular Korean fermented vegetable “Kimchi” and to evaluate its anti-viral potential against influenza virus A (IFVA) H1N1 using the MDCK cell line in vitro, and in embryonated eggs in ovo. The YML015 strain was selected from among the 1200 Lactobacilli isolates for further studies based on its potent anti-viral efficacy. YML015 was identified and characterized as Lactoplantibacillus plantarum YML015 based on the 16S rRNA gene sequencing and biochemically with an API 50 CHL Kit. In ovo assay experienced with embryonated eggs and the hemagglutination inhibition method, as well as cytopathogenic reduction assay, was performed individually to observe anti-influenza viral activity of YML015 against influenza virus A H1N1. Additionally, YML015 was classified for its non-resistance nature as safe for humans and animals as confirmed by the antibiotic susceptibility (MIC) test, cell viability, and hemolysis assay. The heat stability test was also experienced by using different heat-treated cell-free supernatant (CFS) samples of YML015. As a result, YML015 showed highly potent anti-viral activity against influenza virus A H1N1 in vitro in the MDCK cell line. Overall findings suggest that anti-influenza viral activity of L. plantarum YML015 makes it a potential candidate of choice for use as an influential probiotic in pharmacological preparations to protect humans and animals from flu and viral infection.
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Yasir M, Al-Zahrani IA, Bibi F, Abd El Ghany M, Azhar EI. New insights of bacterial communities in fermented vegetables from shotgun metagenomics and identification of antibiotic resistance genes and probiotic bacteria. Food Res Int 2022; 157:111190. [DOI: 10.1016/j.foodres.2022.111190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 11/04/2022]
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Christa P, Dunkel A, Krauss A, Stark TD, Dawid C, Hofmann T. Discovery and Identification of Tastants and Taste-Modulating N-Acyl Amino Acid Derivatives in Traditional Korean Fermented Dish Kimchi Using a Sensomics Approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7500-7514. [PMID: 35674110 DOI: 10.1021/acs.jafc.2c02623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Sensory-guided fractionation by means of ultrafiltration and gel permeation chromatography followed by high-performance liquid chromatography, synthesis, liquid chromatography-tandem mass spectrometry (LC-MS/MS) quantitation, and taste re-engineering experiments revealed taste-active and taste-enhancing compounds contributing to the umami, mouthful and complex taste profile of the fermented Korean dish, kimchi. Besides basic taste-active compounds, in particular, various N-acylated amino acids deriving from succinic acid and lactic acid imparted taste-modulating properties in food matrices. Taste threshold concentrations were determined to evaluate intrinsic and modulating effects. Quantitation of N-acylated amino acids in kimchi following synthesis revealed the presence of numerous derivatives showing taste-active properties. Sensory evaluation including recombination and partial addition experiments highlighted that both the N-lactoyl- and the N-succinoyl amino acid derivatives contribute to increasing the fullness, volume, and complexity of food matrices, whereas the latter directly contributes to the overall taste of kimchi in natural concentrations.
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Affiliation(s)
- Peter Christa
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Andreas Dunkel
- Leibniz-Institute for Food Systems Biology at the Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Alin Krauss
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Timo D Stark
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Corinna Dawid
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Thomas Hofmann
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
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Flavour Generation during Lactic Acid Fermentation of Brassica Vegetables—Literature Review. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12115598] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Fermentation is a method of food preservation that has been used for centuries. Lactic acid fermentation, apart from extending the shelf-life of vegetables, affects significantly the flavour of food products. In this review, the formation of flavour, including both taste and aroma, in fermented Brassica vegetables is summarized. The flavour-active compounds are generated in various metabolic pathways from many precursors present in raw materials used for fermentation. In Brassica vegetables, a unique group of chemicals, namely glucosinolates, is present, which significantly influence the flavour of fermented products. In this summary, we took a closer look at the flavour of two of the most commonly eaten worldwide fermented Brassica products, which are sauerkraut and kimchi. Finally, the needs and directions for future studies were addressed.
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Pino A, Benkaddour B, Inturri R, Amico P, Vaccaro SC, Russo N, Vaccalluzzo A, Agolino G, Caggia C, Miloud H, Randazzo CL. Characterization of Bifidobacterium asteroides Isolates. Microorganisms 2022; 10:655. [PMID: 35336230 PMCID: PMC8950671 DOI: 10.3390/microorganisms10030655] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/04/2022] [Accepted: 03/11/2022] [Indexed: 11/16/2022] Open
Abstract
Bifidobacteria have long been recognized as bacteria with probiotic and therapeutic features. The aim of this work is to characterize the Bifidobacterium asteroides BA15 and BA17 strains, isolated from honeybee gut, to evaluate its safety for human use. An in-depth assessment was carried out on safety properties (antibiotic resistance profiling, β-hemolytic, DNase and gelatinase activities and virulence factor presence) and other properties (antimicrobial activity, auto-aggregation, co-aggregation and hydrophobicity). Based on phenotypic and genotypic characterization, both strains satisfied all the safety requirements. More specifically, genome analysis showed the absence of genes encoding for glycopeptide (vanA, vanB, vanC-1, vanC-2, vanD, vanE, vanG), resistance to tetracycline (tetM, tetL and tetO) and virulence genes (asa1, gelE, cylA, esp, hyl).
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Affiliation(s)
- Alessandra Pino
- Department of Agricultural, Food and Environment, University of Catania, 95123 Catania, Italy; (A.P.); (N.R.); (A.V.); (G.A.); (C.C.)
- ProBioEtna S.r.l., Spin-Off of University of Catania, 95123 Catania, Italy
| | - Bachir Benkaddour
- Department of Biology, Faculty of Natural Sciences and Life, University of Oran1, Oran 31000, Algeria; (B.B.); (H.M.)
| | - Rosanna Inturri
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
- Department of R&D, Local Noto Unit, Fidia Farmaceutici S.p.A., 96017 Noto, Italy; (P.A.); (S.C.V.)
| | - Pietro Amico
- Department of R&D, Local Noto Unit, Fidia Farmaceutici S.p.A., 96017 Noto, Italy; (P.A.); (S.C.V.)
| | - Susanna C. Vaccaro
- Department of R&D, Local Noto Unit, Fidia Farmaceutici S.p.A., 96017 Noto, Italy; (P.A.); (S.C.V.)
| | - Nunziatina Russo
- Department of Agricultural, Food and Environment, University of Catania, 95123 Catania, Italy; (A.P.); (N.R.); (A.V.); (G.A.); (C.C.)
- ProBioEtna S.r.l., Spin-Off of University of Catania, 95123 Catania, Italy
| | - Amanda Vaccalluzzo
- Department of Agricultural, Food and Environment, University of Catania, 95123 Catania, Italy; (A.P.); (N.R.); (A.V.); (G.A.); (C.C.)
| | - Gianluigi Agolino
- Department of Agricultural, Food and Environment, University of Catania, 95123 Catania, Italy; (A.P.); (N.R.); (A.V.); (G.A.); (C.C.)
| | - Cinzia Caggia
- Department of Agricultural, Food and Environment, University of Catania, 95123 Catania, Italy; (A.P.); (N.R.); (A.V.); (G.A.); (C.C.)
- ProBioEtna S.r.l., Spin-Off of University of Catania, 95123 Catania, Italy
| | - Hadadji Miloud
- Department of Biology, Faculty of Natural Sciences and Life, University of Oran1, Oran 31000, Algeria; (B.B.); (H.M.)
| | - Cinzia L. Randazzo
- Department of Agricultural, Food and Environment, University of Catania, 95123 Catania, Italy; (A.P.); (N.R.); (A.V.); (G.A.); (C.C.)
- ProBioEtna S.r.l., Spin-Off of University of Catania, 95123 Catania, Italy
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12
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Probiotic Effects and Metabolic Products of Enterococcus faecalis LD33 with Respiration Capacity. Foods 2022; 11:foods11040606. [PMID: 35206082 PMCID: PMC8871233 DOI: 10.3390/foods11040606] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/11/2022] [Accepted: 02/17/2022] [Indexed: 02/04/2023] Open
Abstract
Respiration metabolism could improve the long-term survival of lactic acid bacteria (LAB); however, its effect on potential probiotic traits of LAB was not reported. The difference made by Enterococcus faecalis LD33 that was cultured under respiration-permissive and fermentation conditions, such as the biomass, metabolites, antimicrobial activity, tolerance to acid and bile salt, adhesion capabilities, and the ability to inhibit the proliferation of cancer cells were studied. Under a respiration-permissive condition, the final biomass of the culture was about twice as compared to that of fermentation condition. When the metabolites were measured, glucose was exhausted within 8 h. Two-folds of acetic acid, triple of both acetoin and diacetyl, and less than half of lactic acid, were accumulated under the respiratory-permissive condition. No discrimination of growth inhibition on Salmonella enterica serovar Typhimurium ATCC 14028 and Shigella sonnei ATCC 25931 was observed when Enterococcus faecalis LD33 was cultured under both conditions; however, under respiration-permissive condition, the strain presented significant antimicrobial activities to Listeria monocytogenes ATCC19111 and Staphylococcus aureus ATCC6538P. Enterococcus faecalis LD33 displayed relatively strong bile salt tolerance and adherence capability but weaker acid tolerance when undergoing respiration metabolism. There was no significant difference in the anti-cancer effect of the viable bacterial cells on both growth modes; however, the supernatant showed a higher inhibition effect on HT-29 cells than the live bacteria, and there was no significant difference between the supernatant and the 5-Fluorouracil (7 μg/mL). Consequently, the Enterococcus faecalis LD33 undergoing respiration metabolism could bring higher biomass, more flavor metabolites, and better antimicrobial and anti-cancer activities. This study extends our knowledge of respiratory metabolism in LAB and its impact on probiotic traits. E. faecalis LD33 qualifies as a suitable strain against foodborne pathogens, cancer therapy, and eventual application in the food and pharmaceutical industries.
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In-Vitro Characterization of Growth Inhibition against the Gut Pathogen of Potentially Probiotic Lactic Acid Bacteria Strains Isolated from Fermented Products. Microorganisms 2021; 9:microorganisms9102141. [PMID: 34683462 PMCID: PMC8537437 DOI: 10.3390/microorganisms9102141] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/03/2021] [Accepted: 10/05/2021] [Indexed: 12/19/2022] Open
Abstract
Lactic acid bacteria (LAB) are probiotic candidates that may restore the balance of microbiota populations in intestinal microbial ecosystems by controlling pathogens and thereby promoting host health. The goal of this study was to isolate potential probiotic LAB strains and characterize their antimicrobial abilities against pathogens in intestinal microbiota. Among 54 LAB strains isolated from fermented products, five LAB strains (NSMJ15, NSMJ16, NSMJ23, NSMJ42, and NFFJ04) were selected as potential probiotic candidates based on in vitro assays of acid and bile salt tolerance, cell surface hydrophobicity, adhesion to the intestinal epithelium, and antagonistic activity. Phylogenetic analysis based on 16S rRNA genes showed that they have high similarities of 99.58-100% to Lacticaseibacillus paracasei strains NSMJ15 and NFFJ04, Lentilactobacillus parabuchneri NSMJ16, Levilactobacillus brevis NSMJ23, and Schleiferilactobacillus harbinensis NSMJ42. To characterize their antimicrobial abilities against pathogens in intestinal microbiota, the impact of cell-free supernatant (CFS) treatment in 10% (v/v) fecal suspensions prepared using pooled cattle feces was investigated using in vitro batch cultures. Bacterial community analysis using rRNA amplicon sequencing for control and CFS-treated fecal samples at 8 and 16 h incubation showed the compositional change after CFS treatment for all five LAB strains. The changed compositions were similar among them, but there were few variable increases or decreases in some bacterial groups. Interestingly, as major genera that could exhibit pathogenicity and antibiotic resistance, the members of Bacillus, Escherichia, Leclercia, Morganella, and Vagococcus were decreased at 16 h in all CFS-treated samples. Species-level classification suggested that the five LAB strains are antagonistic to gut pathogens. This study showed the probiotic potential of the five selected LAB strains; in particular, their antimicrobial properties against pathogens present in the intestinal microbiota. These strains would therefore seem to play an important role in modulating the intestinal microbiome of the host.
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Effects of the main ingredients of the fermented food, kimchi, on bacterial composition and metabolite profile. Food Res Int 2021; 149:110668. [PMID: 34600670 DOI: 10.1016/j.foodres.2021.110668] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 08/05/2021] [Accepted: 08/24/2021] [Indexed: 12/26/2022]
Abstract
Kimchi is a fermented food prepared via spontaneous fermentation by lactic acid bacteria originating from raw ingredients. To investigate the effect of these ingredients on food fermentation, four types of food that differed only in their main raw ingredients (kimchi cabbage, green onion, leaf mustard, and young radish) were evaluated. The major microorganisms were Leuconostoc gelidum, Weissella kandleri, and Lactobacillus sakei groups. The distribution of these species depended on the sample type. All three species were primarily distributed in the food prepared from kimchi cabbage and young radish; however, the Lac. sakei group was hardly found in the food prepared using green onion and leaf mustard. Metabolite analysis results showed that the free sugar, organic acid, ethanol, and amino acid profiles differed with the sample type. This study indicates that the main ingredients could be an important factor in determining the composition of the microbial community and the metabolite composition.
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15
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Jeong CH, Sohn H, Hwang H, Lee HJ, Kim TW, Kim DS, Kim CS, Han SG, Hong SW. Comparison of the Probiotic Potential between Lactiplantibacillus plantarum Isolated from Kimchi and Standard Probiotic Strains Isolated from Different Sources. Foods 2021; 10:foods10092125. [PMID: 34574235 PMCID: PMC8470237 DOI: 10.3390/foods10092125] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/06/2021] [Accepted: 09/06/2021] [Indexed: 12/13/2022] Open
Abstract
In the present study, the properties of the Lactiplantibacillus (Lpb.) plantarum WiKim0112 isolated from kimchi were evaluated by comparing its probiotic properties to those of Lpb. plantarum WCFS1 and KACC 11451 isolated from different sources. In both pH 2 and 3, media containing pepsin, Wikim0112, and WCFS1 showed higher cell viability than KACC11451. Viability of all Lpb. plantarum strains in a medium containing pancreatin and bile salt oxgall was significantly decreased compared to the control. WCFS1 showed the highest thermotolerance, followed by Wikim0112 and KACC11451. Wikim0112 showed a similar level of antibacterial activity to WCFS1 and exhibited an overall higher antibacterial activity than KACC11451 against six pathogens. All Lpb. plantatum strains showed high antioxidant activities in SOD, DPPH, and ABTS assays, especially Wikim0112 and WCFS1 exhibited a higher antioxidant activity than KACC11451. All Lpb. plantarum strains showed approximately 60–62% adhesion rates to Caco-2 cells. Moreover, in LPS-stimulated Caco-2 cells, all Lpb. plantarum strains significantly decreased the mRNA expression of pro-inflammatory cytokines (i.e., IL-1β, IL-6, and TNF-α); Wikim0112 significantly increased the mRNA expression of IL-4 and IFN-γ. Wikim0112 was resistant to streptomycin and vancomycin, whereas WCFS1 and KACC11451 were resistant to four (clindamycin, ciprofloxacin, tetracycline, and vancomycin) and three (ciprofloxacin, tetracycline, and vancomycin) antibiotics, respectively. These results, taken together, indicated that compared to Lpb. plantarum strains isolated from different sources, Wikim0112 showed desirable probiotic properties, suggesting its potential applications in the food and pharmaceutical industries.
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Affiliation(s)
- Chang-Hee Jeong
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju 61755, Korea; (C.-H.J.); (H.H.); (H.-J.L.); (T.-W.K.)
| | - Hyejin Sohn
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea; (H.S.); (S.-G.H.)
| | - Hyelyeon Hwang
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju 61755, Korea; (C.-H.J.); (H.H.); (H.-J.L.); (T.-W.K.)
| | - Ho-Jae Lee
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju 61755, Korea; (C.-H.J.); (H.H.); (H.-J.L.); (T.-W.K.)
| | - Tae-Woon Kim
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju 61755, Korea; (C.-H.J.); (H.H.); (H.-J.L.); (T.-W.K.)
| | - Dong-Sub Kim
- Research Institute, Korea Prime Pharm. Co., Ltd., Gwangju 61473, Korea;
| | - Chun-Sung Kim
- Department of Oral Biochemistry, College of Dentistry, Chosun University, Gwangju 61452, Korea;
| | - Sung-Gu Han
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea; (H.S.); (S.-G.H.)
| | - Sung-Wook Hong
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju 61755, Korea; (C.-H.J.); (H.H.); (H.-J.L.); (T.-W.K.)
- Correspondence:
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16
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Choi KR, Yu HE, Lee SY. Microbial food: microorganisms repurposed for our food. Microb Biotechnol 2021; 15:18-25. [PMID: 34387915 PMCID: PMC8719801 DOI: 10.1111/1751-7915.13911] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 07/31/2021] [Indexed: 01/10/2023] Open
Abstract
Sustainable food production is a key to solve complicated and intertwined issues of overpopulation, climate change, environment and sustainability. Microorganisms, which have been routinely consumed as a part of fermented foods and more recently as probiotic dietary supplements, can be repurposed for our food to present a sustainable solution to current food production system. This paper begins with three snapshots of our future life with microbial foods. Next, the importance, possible forms, and raw materials (i.e. microorganisms and their carbon and energy sources) of microbial foods are discussed. In addition, the production strategies, further applications and current limitations of microbial foods are discussed.
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Affiliation(s)
- Kyeong Rok Choi
- Metabolic and Biomolecular Engineering National Research Laboratory, Systems Metabolic Engineering and Systems Healthcare Cross Generation Collaborative Laboratory, Department of Chemical and Biomolecular Engineering (BK21 Plus Program), Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea.,BioProcess Engineering Research Center, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea
| | - Hye Eun Yu
- Metabolic and Biomolecular Engineering National Research Laboratory, Systems Metabolic Engineering and Systems Healthcare Cross Generation Collaborative Laboratory, Department of Chemical and Biomolecular Engineering (BK21 Plus Program), Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea
| | - Sang Yup Lee
- Metabolic and Biomolecular Engineering National Research Laboratory, Systems Metabolic Engineering and Systems Healthcare Cross Generation Collaborative Laboratory, Department of Chemical and Biomolecular Engineering (BK21 Plus Program), Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea.,BioProcess Engineering Research Center, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea.,BioInformatics Research Center, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea
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17
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Safety Evaluation and In vivo Strain-Specific Functionality of Bacillus Strains Isolated from Korean Traditional Fermented Foods. Probiotics Antimicrob Proteins 2021; 13:60-71. [PMID: 32607730 DOI: 10.1007/s12602-020-09672-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Unveiling and understanding differences in physiological features below the species level may serve as an essential fast-screening tool for selecting strains that can promote a specific probiotic effect. To study the intra-species diversity of Bacillus, a genus with a wide range of enzyme activities and specificity, 190 Bacillus strains were isolated from traditional Korean fermented food products. Altogether, in the preliminary safety screening, 8 of these strains were found negative for lecithinase and hemolysis activity and were selected for further investigations. On the basis of different levels of enzyme functionalities (high or low proteolytic, amylolytic, and lipolytic (PAL) activities), two Bacillus subtilis strains were selected for an in vivo study. Each of the two strains was separately administered at a level of 1 × 108 CFU per day to C57BL/6 mice that were fed 60% high-fat diet ad libitum for 8 weeks, while Xenical, an anti-obesity drug, was used as a positive control in the experimental setup. B. subtilis M34 and B. subtilis GS40a with low and high amylolytic activities, respectively, induced significantly different and contrasting physiological effects. The production of short-chain fatty acids appeared to be closely associated with a shift in the gut microbiota.
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18
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Roh H, Kim DH. Genotypic and Phenotypic Characterization of Highly Alkaline-Resistant Carnobacterium maltaromaticum V-Type ATPase from the Dairy Product Based on Comparative Genomics. Microorganisms 2021; 9:microorganisms9061233. [PMID: 34204143 PMCID: PMC8229585 DOI: 10.3390/microorganisms9061233] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/29/2021] [Accepted: 06/01/2021] [Indexed: 11/16/2022] Open
Abstract
Although Carnobacterium maltaromaticum derived from dairy products has been used as a lactic acid bacterium industrially, several studies have reported potential pathogenicity and disease outbreaks. Because strains derived from diseased fish and dairy products are considered potentially virulent and beneficial, respectively, their genotypic and phenotypic characteristics have attracted considerable attention. A genome-wide comparison of 30 genome sequences (13, 3, and 14 strains from diseased aquatic animals, dairy products, and processed food, respectively) was carried out. Additionally, one dairy and two nondairy strains were incubated in nutrient-rich (diluted liquid media) and nutrient-deficient environments (PBS) at pH 10 to compare their alkaline resistance in accordance with different nutritional environments by measuring their optical density and viable bacterial cell counts. Interestingly, only dairy strains carried 11 shared accessory genes, and 8 genes were strongly involved in the V-type ATPase gene cluster. Given that V-type ATPase contributes to resistance to alkaline pH and salts using proton motive force generated via sodium translocation across the membrane, C. maltaromaticum with a V-type ATPase might use nutrients in food under high pH. Indeed, the dairy strain carrying the V-type ATPase exhibited the highest alkaline resistance only in the nutrient-rich environment with significant upregulation of V-type ATPase expression. These results suggest that the gene cluster of V-type ATPase and increased alkaline resistance of dairy strains facilitate adaptation in the long-term ripening of alkaline dairy products.
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19
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Gao J, Li X, Zhang G, Sadiq FA, Simal-Gandara J, Xiao J, Sang Y. Probiotics in the dairy industry-Advances and opportunities. Compr Rev Food Sci Food Saf 2021; 20:3937-3982. [PMID: 33938124 DOI: 10.1111/1541-4337.12755] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/09/2021] [Accepted: 03/22/2021] [Indexed: 02/06/2023]
Abstract
The past two decades have witnessed a global surge in the application of probiotics as functional ingredients in food, animal feed, and pharmaceutical products. Among food industries, the dairy industry is the largest sector where probiotics are employed in a number of dairy products including sour/fermented milk, yogurt, cheese, butter/cream, ice cream, and infant formula. These probiotics are either used as starter culture alone or in combination with traditional starters, or incorporated into dairy products following fermentation, where their presence imparts many functional characteristics to the product (for instance, improved aroma, taste, and textural characteristics), in addition to conferring many health-promoting properties. However, there are still many challenges related to the stability and functionality of probiotics in dairy products. This review highlights the advances, opportunities, and challenges of application of probiotics in dairy industries. Benefits imparted by probiotics to dairy products including their role in physicochemical characteristics and nutritional properties (clinical and functional perspective) are also discussed. We transcend the traditional concept of the application of probiotics in dairy products and discuss paraprobiotics and postbiotics as a newly emerged concept in the field of probiotics in a particular relation to the dairy industry. Some potential applications of paraprobiotics and postbiotics in dairy products as functional ingredients for the development of functional dairy products with health-promoting properties are briefly elucidated.
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Affiliation(s)
- Jie Gao
- College of Food Science and Technology, Hebei Agricultural University, Baoding, China
| | - Xiyu Li
- College of Food Science and Technology, Hebei Agricultural University, Baoding, China
| | - Guohua Zhang
- School of Life Science, Shanxi University, Taiyuan, China
| | | | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Jianbo Xiao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Taipa, China
| | - Yaxin Sang
- College of Food Science and Technology, Hebei Agricultural University, Baoding, China
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20
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Pressure-resistant acclimation of lactic acid bacteria from a natural fermentation product using high pressure. INNOV FOOD SCI EMERG 2021. [DOI: 10.1016/j.ifset.2021.102660] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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21
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Al-Sadi R, Nighot P, Nighot M, Haque M, Rawat M, Ma TY. Lactobacillus acidophilus Induces a Strain-specific and Toll-Like Receptor 2-Dependent Enhancement of Intestinal Epithelial Tight Junction Barrier and Protection Against Intestinal Inflammation. THE AMERICAN JOURNAL OF PATHOLOGY 2021; 191:872-884. [PMID: 33607043 DOI: 10.1016/j.ajpath.2021.02.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/20/2021] [Accepted: 02/04/2021] [Indexed: 12/21/2022]
Abstract
Defective intestinal tight junction (TJ) barrier is an important pathogenic factor of inflammatory bowel disease. To date, no effective therapies that specifically target the intestinal TJ barrier are available. The purpose of this study was to identify probiotic bacterial species or strains that induce a rapid and sustained enhancement of intestinal TJ barrier and protect against the development of intestinal inflammation by targeting the TJ barrier. After high-throughput screening of >20 Lactobacillus and other probiotic bacterial species or strains, a specific strain of Lactobacillus acidophilus, referred to as LA1, uniquely produced a marked enhancement of the intestinal TJ barrier. LA1 attached to the apical membrane surface of intestinal epithelial cells in a Toll-like receptor (TLR)-2-dependent manner and caused a rapid increase in enterocyte TLR-2 membrane expression and TLR-2/TLR-1 and TLR-2/TLR-6 hetero-complex-dependent enhancement in intestinal TJ barrier function. Oral administration of LA1 caused a rapid enhancement in mouse intestinal TJ barrier, protected against a dextran sodium sulfate (DSS) increase in intestinal permeability, and prevented the DSS-induced colitis in a TLR-2- and intestinal TJ barrier-dependent manner. In conclusion, we report for the first time that a specific strain of LA causes a strain-specific enhancement of intestinal TJ barrier through a novel mechanism that involves the TLR-2 receptor complex and protects against the DSS-induced colitis by targeting the intestinal TJ barrier.
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Affiliation(s)
- Rana Al-Sadi
- Penn State College of Medicine, Hershey Medical Center, Hershey, Pennsylvania.
| | - Prashant Nighot
- Penn State College of Medicine, Hershey Medical Center, Hershey, Pennsylvania
| | - Meghali Nighot
- Penn State College of Medicine, Hershey Medical Center, Hershey, Pennsylvania
| | - Mohammad Haque
- Penn State College of Medicine, Hershey Medical Center, Hershey, Pennsylvania
| | - Manmeet Rawat
- Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico
| | - Thomas Y Ma
- Penn State College of Medicine, Hershey Medical Center, Hershey, Pennsylvania.
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22
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Glendinning JI. What Does the Taste System Tell Us About the Nutritional Composition and Toxicity of Foods? Handb Exp Pharmacol 2021; 275:321-351. [PMID: 33782771 DOI: 10.1007/164_2021_451] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
One of the distinctive features of the human taste system is that it categorizes food into a few taste qualities - e.g., sweet, salty, sour, bitter, and umami. Here, I examined the functional significance of these taste qualities by asking what they tell us about the nutritional composition and toxicity of foods. I collected published data on the composition of raw and unprocessed foods - i.e., fruits, endosperm tissues, starchy foods, mushrooms, and meats. Sweet taste is thought to help identify foods with a high caloric or micronutrient density. However, the sweetest foods (fruits) had a relatively modest caloric density and low micronutrient density, whereas the blandest foods (endosperm tissues and meats) had a relatively high caloric and high micronutrient density. Salty taste is thought to be a proxy for foods high in sodium. Sodium levels were higher in meats than in most plant materials, but raw meats lack a salient salty taste. Sour taste (a measure of acidity) is thought to signify dangerous or spoiled foods. While this may be the case, it is notable that most ripe fruits are acidic. Umami taste is thought to reflect the protein content of food. I found that free L-glutamate (the prototypical umami tastant) concentration varies independently of protein content in foods. Bitter taste is thought to help identify poisonous foods, but many nutritious plant materials taste bitter. Fat taste is thought to help identify triglyceride-rich foods, but the role of taste versus mouthfeel in the attraction to fatty foods is unresolved. These findings indicate that the taste system provides incomplete or, in some cases, misleading information about the nutritional content and toxicity of foods. This may explain why inputs from the taste system are merged with inputs from the other cephalic senses and intestinal nutrient-sensing systems. By doing so, we create a more complete sensory representation and nutritional evaluation of foods.
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Affiliation(s)
- John I Glendinning
- Departments of Biology and Neuroscience and Behavior, Barnard College, Columbia University, New York, NY, USA.
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23
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Feng T, Wang J. Oxidative stress tolerance and antioxidant capacity of lactic acid bacteria as probiotic: a systematic review. Gut Microbes 2020; 12:1801944. [PMID: 32795116 PMCID: PMC7524341 DOI: 10.1080/19490976.2020.1801944] [Citation(s) in RCA: 191] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 07/15/2020] [Indexed: 02/03/2023] Open
Abstract
Lactic acid bacteria (LAB) are the most frequently used probiotics in fermented foods and beverages and as food supplements for humans or animals, owing to their multiple beneficial features, which appear to be partially associated with their antioxidant properties. LAB can help improve food quality and flavor and prevent numerous disorders caused by oxidation in the host. In this review, we discuss the oxidative stress tolerance, the antioxidant capacity related herewith, and the underlying mechanisms and signaling pathways in probiotic LAB. In addition, we discuss appropriate methods used to evaluate the antioxidant capacity of probiotic LAB. The aim of the present review is to provide an overview of the current state of the research associated with the oxidative stress tolerance and antioxidant capacity of LAB.
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Affiliation(s)
- Tao Feng
- Institute of Animal Husbandry and Veterinary Medicine (IAHVM), Beijing Academy of Agriculture and Forestry Sciences (BAAFS), Beijing, China
- Sino-US Joint Laboratory of Animal Science, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Jing Wang
- Institute of Animal Husbandry and Veterinary Medicine (IAHVM), Beijing Academy of Agriculture and Forestry Sciences (BAAFS), Beijing, China
- Sino-US Joint Laboratory of Animal Science, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
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24
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The Microbial Diversity of Non-Korean Kimchi as Revealed by Viable Counting and Metataxonomic Sequencing. Foods 2020; 9:foods9111568. [PMID: 33137924 PMCID: PMC7693646 DOI: 10.3390/foods9111568] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 10/21/2020] [Accepted: 10/26/2020] [Indexed: 11/22/2022] Open
Abstract
Kimchi is recognized worldwide as the flagship food of Korea. To date, most of the currently available microbiological studies on kimchi deal with Korean manufactures. Moreover, there is a lack of knowledge on the occurrence of eumycetes in kimchi. Given these premises, the present study was aimed at investigating the bacterial and fungal dynamics occurring during the natural fermentation of an artisan non-Korean kimchi manufacture. Lactic acid bacteria were dominant, while Enterobacteriaceae, Pseudomonadaceae, and yeasts progressively decreased during fermentation. Erwinia spp., Pseudomonasveronii, Pseudomonasviridiflava, Rahnellaaquatilis, and Sphingomonas spp. were detected during the first 15 days of fermentation, whereas the last fermentation phase was dominated by Leuconostoc kimchi, together with Weissellasoli. For the mycobiota at the beginning of the fermentation process, Rhizoplaca and Pichia orientalis were the dominant Operational Taxonomic Units (OTUs) in batch 1, whereas in batch 2 Protomyces inundatus prevailed. In the last stage of fermentation, Saccharomyces cerevisiae, Candida sake,Penicillium, and Malassezia were the most abundant taxa in both analyzed batches. The knowledge gained in the present study represents a step forward in the description of the microbial dynamics of kimchi produced outside the region of origin using local ingredients. It will also serve as a starting point for further isolation of kimchi-adapted microorganisms to be assayed as potential starters for the manufacturing of novel vegetable preserves with high quality and functional traits.
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Vergalito F, Testa B, Cozzolino A, Letizia F, Succi M, Lombardi SJ, Tremonte P, Pannella G, Di Marco R, Sorrentino E, Coppola R, Iorizzo M. Potential Application of Apilactobacillus kunkeei for Human Use: Evaluation of Probiotic and Functional Properties. Foods 2020; 9:E1535. [PMID: 33113800 PMCID: PMC7693146 DOI: 10.3390/foods9111535] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 12/11/2022] Open
Abstract
Apilactobacillus kunkeei is an insect symbiont with documented beneficial effects on the health of honeybees. It belongs to fructophilic lactic acid bacteria (FLAB), a subgroup of lactic acid bacteria (LAB) notably recognized for their safe status. This fact, together with its recurrent isolation from hive products that are traditionally part of the human diet, suggests its possible safe use as human probiotic. Our data concerning three strains of A. kunkeei isolated from bee bread and honeybee gut highlighted several interesting features, such as the presence of beneficial enzymes (β-glucosidase, β-galactosidase and leucine arylamidase), the low antibiotic resistance, the ability to inhibit P. aeruginosa and, for one tested strain, E. faecalis, and an excellent viability in presence of high sugar concentrations, especially for one strain tested in sugar syrup stored at 4 °C for 30 d. This datum is particularly stimulating, since it demonstrates that selected strains of A. kunkeei can be used for the probiotication of fruit preparations, which are often used in the diet of hospitalized and immunocompromised patients. Finally, we tested for the first time the survival of strains belonging to the species A. kunkeei during simulated gastrointestinal transit, detecting a similar if not a better performance than that showed by Lacticaseibacillus rhamnosus GG, used as probiotic control in each trial.
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Affiliation(s)
- Franca Vergalito
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Bruno Testa
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Autilia Cozzolino
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Francesco Letizia
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Mariantonietta Succi
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Silvia Jane Lombardi
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Patrizio Tremonte
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Gianfranco Pannella
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Roberto Di Marco
- Department of Medicine and Health Sciences “Vincenzo Tiberio”, University of Molise, via De Sanctis snc, 86100 Campobasso, Italy;
| | - Elena Sorrentino
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Raffaele Coppola
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
| | - Massimo Iorizzo
- Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise, via De Sanctis snc, 86100 Campobasso, Italy; (F.V.); (B.T.); (A.C.); (F.L.); (S.J.L.); (P.T.); (G.P.); (E.S.); (R.C.); (M.I.)
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Desrouillères K, Millette M, Bagheri L, Maherani B, Jamshidian M, Lacroix M. The synergistic effect of cell wall extracted from probiotic biomass containing Lactobacillus acidophilus CL1285, L. casei LBC80R, and L. rhamnosus CLR2 on the anticancer activity of cranberry juice-HPLC fractions. J Food Biochem 2020; 44:e13195. [PMID: 32185816 DOI: 10.1111/jfbc.13195] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/24/2020] [Accepted: 01/24/2020] [Indexed: 12/21/2022]
Abstract
Anticancer effects were evaluated on three HPLC fractions obtained from a concentrated cranberry juice and cell wall constituents extracted from a probiotic biomass containing Lactobacillus acidophilus CL1285, Lactobacillus casei LBC80R, and Lactobacillus rhamnosus CLR2. The samples were tested at increasing concentrations for the antiproliferative assay using HT-29 cells' line and for the quinone reductase (QR) assay using Hepa-1c1c7 murine hepatoma cells. Fraction 1 (F1) which is highly concentrated with phenolic acids inhibited the growth of the HT-29 cells' line with IC50 values of 14.80 µg Gallic acid equivalent (GAE)/ml. The fraction 3 (F3) which is highly concentrated in flavonols had potency as QR inducer. Furthermore, the results showed that all cranberry fractions combined with cell wall constituents extracted from the probiotic biomass were more effective in inhibiting the growth of HT-29 as compared to the cranberry fractions tested alone, indicating a possible synergy effect between these bio-functional compounds. PRACTICAL APPLICATIONS: This study strongly evidenced that cranberry juice fractions combined with cell wall constituents extracted from the probiotic biomass can be used as a potent preventive functional compound against colorectal cancer. Therefore, this research proposes a natural dietary compound to prevent mutagenesis and carcinogenesis of colorectal cancer. Furthermore, the industry can formulae products containing probiotic and phenolic compounds as colon cancer cell growth preventive and anticancer products.
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Affiliation(s)
- Kerlynn Desrouillères
- Research Laboratories in Sciences Applied to Food, Canadian Irradiation Center, INRS, Armand-Frappier, Health and Biotechnology Center, Institute of Nutraceutical and Functional Foods, Laval, QC, Canada
| | | | - Leila Bagheri
- Research Laboratories in Sciences Applied to Food, Canadian Irradiation Center, INRS, Armand-Frappier, Health and Biotechnology Center, Institute of Nutraceutical and Functional Foods, Laval, QC, Canada
| | - Behnoush Maherani
- Research Laboratories in Sciences Applied to Food, Canadian Irradiation Center, INRS, Armand-Frappier, Health and Biotechnology Center, Institute of Nutraceutical and Functional Foods, Laval, QC, Canada
| | - Majid Jamshidian
- Research Laboratories in Sciences Applied to Food, Canadian Irradiation Center, INRS, Armand-Frappier, Health and Biotechnology Center, Institute of Nutraceutical and Functional Foods, Laval, QC, Canada
| | - Monique Lacroix
- Research Laboratories in Sciences Applied to Food, Canadian Irradiation Center, INRS, Armand-Frappier, Health and Biotechnology Center, Institute of Nutraceutical and Functional Foods, Laval, QC, Canada
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27
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Zhang T, Pan D, Yang Y, Jiang X, Zhang J, Zeng X, Wu Z, Sun Y, Guo Y. Effect of Lactobacillus acidophilus CICC 6074 S-Layer Protein on Colon Cancer HT-29 Cell Proliferation and Apoptosis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:2639-2647. [PMID: 32000489 DOI: 10.1021/acs.jafc.9b06909] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The objective of this research was to investigate the effects of Lactobacillus acidophilus CICC 6074 S-layer protein on the viability, adhesion, cell cycle, and apoptosis of human colon cancer HT-29 cells and to explore their molecular mechanism of tumor suppression. The S-layer protein at doses of 0, 25, 50, and 100 mg/L significantly suppressed the proliferation of HT-29 cells. The S-layer protein exerts its cytotoxic activities against colon cancer HT-29 cells by arresting the cell cycle in the G1 phase through upregulating the expression of p53, p21, and p16 and downregulating the expression of CDK1 (cyclin-dependent kinases) and cyclin B. Morphological changes were further observed by transmission electron microscopy, and the cells treated with the S-layer protein showed obvious characteristic changes of apoptosis including chromatin condensation, nuclear fragmentation, vacuoles, and so on. Furthermore, our mechanism studies indicated that the S-layer protein may induce HT-29 cell apoptosis through the death receptor apoptotic pathway and mitochondrial pathway and impede cell invasion by inhibiting the synthesis of the PI3K/AKT pathway and FasL. These results demonstrated that the L. acidophilus CICC 6074 S-layer protein may be a potential anticarcinogenic agent.
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Affiliation(s)
- Tao Zhang
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, P. R. China
| | - Daodong Pan
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
| | - Yujie Yang
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, P. R. China
| | - Xiaoxiao Jiang
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, P. R. China
| | - Jiaxin Zhang
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, P. R. China
| | - Xiaoqun Zeng
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
| | - Zhen Wu
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
| | - Yangying Sun
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, P. R. China
| | - Yuxing Guo
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, P. R. China
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28
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Lee M, Song JH, Park JM, Chang JY. Bacterial diversity in Korean temple kimchi fermentation. Food Res Int 2019; 126:108592. [DOI: 10.1016/j.foodres.2019.108592] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 07/23/2019] [Accepted: 07/26/2019] [Indexed: 01/02/2023]
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29
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Kwon MS, Shin MY, Lim SK, Lee J, Park HK, Kim N, Yun M, Jo HE, Oh YJ, Choi HJ. Leuconostoc citreum isolated from kimchi suppresses the development of collagen-induced arthritis in DBA/1 mice. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.103579] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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30
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Kim SH, Kim WJ, Kang SS. Inhibitory effect of bacteriocin-producing Lactobacillus brevis DF01 and Pediococcus acidilactici K10 isolated from kimchi on enteropathogenic bacterial adhesion. FOOD BIOSCI 2019. [DOI: 10.1016/j.fbio.2019.100425] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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31
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Formation of Biogenic Amines in Pa (Green Onion) Kimchi and Gat (Mustard Leaf) Kimchi. Foods 2019; 8:foods8030109. [PMID: 30909649 PMCID: PMC6462971 DOI: 10.3390/foods8030109] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 03/18/2019] [Accepted: 03/21/2019] [Indexed: 12/03/2022] Open
Abstract
In this study, biogenic amine content in Pa (green onion) kimchi and Gat (mustard leaf) kimchi, Korean specialty kimchi types, was determined by high-performance liquid chromatography (HPLC). Many kimchi samples contained low levels of biogenic amines, but some samples had histamine and tyramine content over the safe levels. Based on the comparative analysis between the ingredient information on food labels and biogenic amine content of kimchi samples, Myeolchi-aekjeot appeared to be an important source of biogenic amines in both kimchi. Besides, through the 16s rRNA sequence analysis, Lactobacillus brevis appeared to be responsible for the formation of biogenic amines (tyramine, β-phenylethylamine, putrescine, and cadaverine) in both kimchi, in a strain-dependent manner. During fermentation, a higher accumulation of tyramine, β-phenylethylamine, and putrescine was observed in both or one (for putrescine) of kimchi types when L. brevis strains served as inocula. The addition of Myeolchi-aekjeot affected the initial concentrations of most biogenic amines (except for spermidine in Gat kimchi) in both kimchi. Therefore, this study suggests that using appropriately salted and fermented seafood products for kimchi preparation and using biogenic amine-negative and/or biogenic amine-degrading starter cultures would be effective in reducing biogenic amine content in Pa kimchi and Gat kimchi.
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32
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de Melo Pereira GV, de Oliveira Coelho B, Magalhães Júnior AI, Thomaz-Soccol V, Soccol CR. How to select a probiotic? A review and update of methods and criteria. Biotechnol Adv 2018; 36:2060-2076. [PMID: 30266342 DOI: 10.1016/j.biotechadv.2018.09.003] [Citation(s) in RCA: 233] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 09/18/2018] [Accepted: 09/24/2018] [Indexed: 02/07/2023]
Abstract
International competition within the dairy market and increasing public awareness about the importance of functional food consumption are providing new challenges for innovation in the probiotic sector. In this context, countless references are currently dedicated to the selection and characterization of new species and more specific strains of probiotic bacteria. In general, these studies adopt basic selection criteria established by the World Health Organization (WHO), including host-associated stress resistance, epithelium adhesion ability, and antimicrobial activity. These aspects are applied to ensure that the candidate probiotic could withstand the stressful conditions of the human digestive system and exert functional proprieties. However, it cannot be assumed that these novel microbial strains are capable of offering several biological benefits attributed to probiotics. Additionally, safety-associated selection criteria, such as plasmid-associated antibiotic resistance spreading and enterotoxin production, are often neglected. This article reviews the recent developments in the processes, strategies, and methods, such as anticarcinogenic, antidepression, antianxiety, antiobesity, antidiabetic, immunostimulatory, and cholesterol-lowering assessments, to select probiotic strains with the ultimate objective of assisting future probiotic microbe evaluation studies.
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Affiliation(s)
| | - Bruna de Oliveira Coelho
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | | | - Vanete Thomaz-Soccol
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Carlos Ricardo Soccol
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, PR, Brazil.
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Touret T, Oliveira M, Semedo-Lemsaddek T. Putative probiotic lactic acid bacteria isolated from sauerkraut fermentations. PLoS One 2018; 13:e0203501. [PMID: 30192827 PMCID: PMC6128568 DOI: 10.1371/journal.pone.0203501] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 08/21/2018] [Indexed: 12/19/2022] Open
Abstract
Probiotics are live microorganisms which confer health benefits to the host, and may be isolated from several sources, such as vegetable foodstuffs. Sauerkraut is a cabbage product resulting from fermentation by a lactic acid bacteria microbial succession, and is a potential source for probiotics. The aim of the present study was the isolation and characterization of probiotic microorganisms from sauerkraut fermentations. Four distinct fermentations were performed, from which lactic acid bacteria were recovered. Overall, 114 isolates were obtained, phenotypically and genotypically characterized, identified to the genus level and evaluated regarding safety and probiotic potential. Representative bacteria were selected for further analysis, 52% being Lactobacillus spp. and 33% belonging to Leuconostoc spp. genus. One isolate revealed to be β-hemolytic, 42% possessed potentially mobile antimicrobial resistance, 88% were resistant to bile and 20% to low pH. The six most promising candidates were further characterized and presented antimicrobial activity against Listeria monocytogenes, three being resistant to lower pH values. Thus, global analysis of data gathered during this study highlighted the identification of three Lactobacillus strains with putative probiotic potential, suggesting the applicability of sauerkraut fermentations as a source for probiotic isolation. Due to their origin these strains should be suited for future application in the food industry, namely vegetable products such as sauerkraut itself.
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Affiliation(s)
- Tiago Touret
- CIISA – Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - Manuela Oliveira
- CIISA – Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- * E-mail:
| | - Teresa Semedo-Lemsaddek
- CIISA – Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
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34
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Song CE, Shim HH, Kuppusamy P, Jeong YIL, Lee KD. Potential Sustainable Properties of Microencapsulated Endophytic Lactic Acid Bacteria (KCC-42) in In-Vitro Simulated Gastrointestinal Juices and Their Fermentation Quality of Radish Kimchi. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6015243. [PMID: 30255096 PMCID: PMC6140276 DOI: 10.1155/2018/6015243] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 07/17/2018] [Accepted: 07/29/2018] [Indexed: 11/17/2022]
Abstract
The objective of this study was to investigate alginate microencapsulated lactic acid bacteria (LAB) fermentation quality of radish kimchi sample and its potential survivability in different acidic and alkaline environments. Initially, we isolated 45 LAB strains. One of them showed fast growth pattern with potential probiotic and antifungal activities against Aspergillus flavus with a zone of inhibition calculated with 10, 8, 4mm for the 4th, 5th, and 6th day, respectively. Therefore, this strain (KCC-42) was chosen for microencapsulation with alginate biopolymer. It showed potential survivability in in-vitro simulated gastrointestinal fluid and radish kimchi fermentation medium. The survival rate of this free and encapsulated LAB KCC-42 was 6.85 × 105 and 7.48× 105 CFU/ml, respectively; the viability count was significantly higher than nonencapsulated LAB in simulated gastrointestinal juices (acid, bile, and pancreatin) and under radish kimchi fermentation environment. Kimchi sample added with this encapsulated LAB showed increased production of organic acids compared to nonencapsulated LAB sample. Also, the organic acids such as lactic acid, acetic acid, propionic acid, and succinic acid production in fermented kimchi were measured 59mM, 26mM, 14mM, and 0.6mM of g/DW, respectively. The production of metabolites such as lactic acid, acetic acid, and succinic acid and the bacteria population was high in microencapsulated LAB samples compared with free bacteria added kimchi sample. Results of this study indicate that microencapsulated LAB KCC-42 might be a useful strategy to develop products for food and healthcare industries.
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Affiliation(s)
- Chae Eun Song
- Lifelong Education Center, Chonnam National University, Kwangju 500-757, Republic of Korea
| | - Han Hyo Shim
- Department of Biotechnology, Sunchon National University, Suncheon, Jeonnam 540-742, Republic of Korea
| | - Palaniselvam Kuppusamy
- Grassland and Forage Division, National Institute of Animal Science, Rural Development Administration, Cheonan 330-801, Republic of Korea
| | - Young-IL Jeong
- Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Kyung Dong Lee
- Department of Oriental Medicine Materials, Dongsin University, Naju 520-714, Republic of Korea
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35
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Kim K, Lee G, Thanh HD, Kim JH, Konkit M, Yoon S, Park M, Yang S, Park E, Kim W. Exopolysaccharide from Lactobacillus plantarum LRCC5310 offers protection against rotavirus-induced diarrhea and regulates inflammatory response. J Dairy Sci 2018; 101:5702-5712. [DOI: 10.3168/jds.2017-14151] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 02/23/2018] [Indexed: 01/03/2023]
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36
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Maldonado NC, Ficoseco CA, Mansilla FI, Melián C, Hébert EM, Vignolo GM, Nader-Macías MEF. Identification, characterization and selection of autochthonous lactic acid bacteria as probiotic for feedlot cattle. Livest Sci 2018. [DOI: 10.1016/j.livsci.2018.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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37
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Jeong SE, Chun BH, Kim KH, Park D, Roh SW, Lee SH, Jeon CO. Genomic and metatranscriptomic analyses of Weissella koreensis reveal its metabolic and fermentative features during kimchi fermentation. Food Microbiol 2018; 76:1-10. [PMID: 30166128 DOI: 10.1016/j.fm.2018.04.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 03/02/2018] [Accepted: 04/09/2018] [Indexed: 11/17/2022]
Abstract
The genomic and metabolic features of Weissella koreensis, one of the major lactic acid bacteria in kimchi, were investigated through genomic, metabolic, and transcriptomic analyses for the genomes of strains KCTC 3621T, KACC 15510, and WiKim0080. W. koreensis strains were intrinsically vancomycin-resistant and harbored potential hemolysin genes that were actively transcribed although no hemolysin activity was detected. KEGG and reconstructed fermentative metabolic pathways displayed that W. koreensis strains commonly employ the heterolactic pathway to produce d-lactate, ethanol, acetate, CO2, d-sorbitol, thiamine, and folate from various carbohydrates including d-glucose, d-mannose, d-lactose, l-malate, d-xylose, l-arabinose, d-ribose, N-acetyl-glucosamine, and gluconate, and strains KCTC 3621T and WiKim0080 additionally have metabolic pathways of d-galacturonate and d-glucoronate. Phenotypic analyses showed that all strains did not ferment d-galactose, probably due to the lack of d-galactose transporting system, and strains KCTC 3621T and WiKim0080 fermented d-fructose, indicating the presence of d-fructose transporting system. Fermentative features of W. koreensis were investigated through kimchi transcriptional analysis, suggesting that W. koreensis is mainly responsible for kimchi fermentation with the production of various fermentative metabolites during late fermentation period. This was the first study to investigate the genomic and metabolic features of W. koreensis, which may provide better understandings on kimchi fermentation.
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Affiliation(s)
- Sang Eun Jeong
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Byung Hee Chun
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Kyung Hyun Kim
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Dongbin Park
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Seong Woon Roh
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju, 61755, Republic of Korea
| | - Se Hee Lee
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju, 61755, Republic of Korea.
| | - Che Ok Jeon
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea.
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38
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Kim B, Mun EG, Kim D, Kim Y, Park Y, Lee HJ, Cha YS. A survey of research papers on the health benefits of kimchi and kimchi lactic acid bacteria. ACTA ACUST UNITED AC 2018. [DOI: 10.4163/jnh.2018.51.1.1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Bohkyung Kim
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, Jeonbuk 54896, Republic of Korea
| | - Eun-Gyung Mun
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, Jeonbuk 54896, Republic of Korea
| | - Doyeon Kim
- Department of Food and Nutrition, Hanyang University, Seoul 04762, Korea
| | - Young Kim
- National Institute of Agricultural Sciences, Rural Development Administration, Wanju-gun, Jeonbuk 55365, Korea
| | - Yongsoon Park
- Department of Food and Nutrition, Hanyang University, Seoul 04762, Korea
| | - Hae-Jeung Lee
- Department of Food and Nutrition, Gachon University, Seongnam, Gyeonggi 13120, Korea
| | - Youn-Soo Cha
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, Jeonbuk 54896, Republic of Korea
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39
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Jung J, Kim K, Yoo D, Lee C, Kang J, Cho K, Kang DK, Kwak W, Yoon SH, Sohn H, Kim H, Cho S. Comparative genomic analysis of Lactobacillus plantarum GB-LP4 and identification of evolutionarily divergent genes in high-osmolarity environment. Genes Genomics 2017; 40:217-223. [PMID: 29568414 PMCID: PMC5846872 DOI: 10.1007/s13258-017-0555-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 04/27/2017] [Indexed: 12/24/2022]
Abstract
Lactobacillus plantarum is one of the widely-used probiotics and there have been a large number of advanced researches on the effectiveness of this species. However, the difference between previously reported plantarum strains, and the source of genomic variation among the strains were not clearly specified. In order to understand further on the molecular basis of L. plantarum on Korean traditional fermentation, we isolated the L. plantarum GB-LP4 from Korean fermented vegetable and conducted whole genome assembly. With comparative genomics approach, we identified the candidate genes that are expected to have undergone evolutionary acceleration. These genes have been reported to associate with the maintaining homeostasis, which are generally known to overcome instability in external environment including low pH or high osmotic pressure. Here, our results provide an evolutionary relationship between L. plantarum species and elucidate the candidate genes that play a pivotal role in evolutionary acceleration of GB-LP4 in high osmolarity environment. This study may provide guidance for further studies on L. plantarum.
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Affiliation(s)
- Jaehoon Jung
- Department of Agricultural Biotechnology and Research Institute of Population Genomics, Seoul National University, Seoul, 151-742 Republic of Korea
- C&K Genomics, 26 Beobwon-ro 9-gil Bldg. C, #1008 (H business park) Songpa-gu, Seoul, 05836 Republic of Korea
| | - Kwondo Kim
- C&K Genomics, 26 Beobwon-ro 9-gil Bldg. C, #1008 (H business park) Songpa-gu, Seoul, 05836 Republic of Korea
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 151-742 Republic of Korea
| | - DongAhn Yoo
- C&K Genomics, 26 Beobwon-ro 9-gil Bldg. C, #1008 (H business park) Songpa-gu, Seoul, 05836 Republic of Korea
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Chanho Lee
- Genebiotech Co. Ltd., Seocho-Gu, Seoul, 137-787 Republic of Korea
| | - Jungsun Kang
- Genebiotech Co. Ltd., Seocho-Gu, Seoul, 137-787 Republic of Korea
| | - Kyungjin Cho
- Genebiotech Co. Ltd., Seocho-Gu, Seoul, 137-787 Republic of Korea
| | - Dae-Kyung Kang
- Department of Animal Resources Science, Dankook University, Cheonan, Republic of Korea
| | - Woori Kwak
- C&K Genomics, 26 Beobwon-ro 9-gil Bldg. C, #1008 (H business park) Songpa-gu, Seoul, 05836 Republic of Korea
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Sook Hee Yoon
- Department of Agricultural Biotechnology and Research Institute of Population Genomics, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Hawsun Sohn
- Cetacean Research Institute, National Institute of Fisheries Science, Nam-gu, Ulsan, 44780 Republic of Korea
| | - Heebal Kim
- Department of Agricultural Biotechnology and Research Institute of Population Genomics, Seoul National University, Seoul, 151-742 Republic of Korea
- C&K Genomics, 26 Beobwon-ro 9-gil Bldg. C, #1008 (H business park) Songpa-gu, Seoul, 05836 Republic of Korea
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Seoae Cho
- C&K Genomics, 26 Beobwon-ro 9-gil Bldg. C, #1008 (H business park) Songpa-gu, Seoul, 05836 Republic of Korea
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40
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Abriouel H, Pérez Montoro B, Casado Muñoz MDC, Knapp CW, Gálvez A, Benomar N. In silico genomic insights into aspects of food safety and defense mechanisms of a potentially probiotic Lactobacillus pentosus MP-10 isolated from brines of naturally fermented Aloreña green table olives. PLoS One 2017; 12:e0176801. [PMID: 28651019 PMCID: PMC5484467 DOI: 10.1371/journal.pone.0176801] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 04/17/2017] [Indexed: 12/22/2022] Open
Abstract
Lactobacillus pentosus MP-10, isolated from brines of naturally fermented Aloreña green table olives, exhibited high probiotic potential. The genome sequence of L. pentosus MP-10 is currently considered the largest genome among lactobacilli, highlighting the microorganism's ecological flexibility and adaptability. Here, we analyzed the complete genome sequence for the presence of acquired antibiotic resistance and virulence determinants to understand their defense mechanisms and explore its putative safety in food. The annotated genome sequence revealed evidence of diverse mobile genetic elements, such as prophages, transposases and transposons involved in their adaptation to brine-associated niches. In-silico analysis of L. pentosus MP-10 genome sequence identified a CRISPR (clustered regularly interspaced short palindromic repeats)/cas (CRISPR-associated protein genes) as an immune system against foreign genetic elements, which consisted of six arrays (4-12 repeats) and eleven predicted cas genes [CRISPR1 and CRISPR2 consisted of 3 (Type II-C) and 8 (Type I) genes] with high similarity to L. pentosus KCA1. Bioinformatic analyses revealed L. pentosus MP-10 to be absent of acquired antibiotic resistance genes, and most resistance genes were related to efflux mechanisms; no virulence determinants were found in the genome. This suggests that L. pentosus MP-10 could be considered safe and with high-adaptation potential, which could facilitate its application as a starter culture and probiotic in food preparations.
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Affiliation(s)
- Hikmate Abriouel
- Área de Microbiología, Departamento de Ciencias de la Salud, Facultad de Ciencias Experimentales, Universidad de Jaén, Jaén, Spain
| | - Beatriz Pérez Montoro
- Área de Microbiología, Departamento de Ciencias de la Salud, Facultad de Ciencias Experimentales, Universidad de Jaén, Jaén, Spain
| | - María del Carmen Casado Muñoz
- Área de Microbiología, Departamento de Ciencias de la Salud, Facultad de Ciencias Experimentales, Universidad de Jaén, Jaén, Spain
| | - Charles W. Knapp
- Department of Civil and Environmental Engineering, University of Strathclyde, Glasgow, Scotland, United Kingdom
| | - Antonio Gálvez
- Área de Microbiología, Departamento de Ciencias de la Salud, Facultad de Ciencias Experimentales, Universidad de Jaén, Jaén, Spain
| | - Nabil Benomar
- Área de Microbiología, Departamento de Ciencias de la Salud, Facultad de Ciencias Experimentales, Universidad de Jaén, Jaén, Spain
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Comparison of Antibacterial Activity of Lactobacillus plantarum Strains Isolated from Two Different Kinds of Regional Cheeses from Poland: Oscypek and Korycinski Cheese. BIOMED RESEARCH INTERNATIONAL 2017. [PMID: 28626762 PMCID: PMC5463104 DOI: 10.1155/2017/6820369] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Oscypek and korycinski are traditional Polish cheeses, exclusively produced in Tatra and in Podlasie region, respectively, produced from raw, unpasteurized milk. The 29 Lactobacillus plantarum strains were isolated on MRS agar from 12 cheese samples and used as a material for study. The main purpose of the work was to assess the antimicrobial properties and recognition of selected strains for the unique antagonistic activity and preservation role in food. It has been found that the highest antimicrobial activity was observed in the case of L. monocytogenes strains; however, the level of that activity was different depending on the Lb. plantarum strain. Strains from oscypek produced broad spectrum, and a few strains isolated from korycinski cheese produced a narrow spectrum of antimicrobial compounds, other than organic acids and hydrogen peroxide. Moreover, the antagonistic activity shown by Lb. plantarum strains is connected with the source from which a given strain was isolated. Strains isolated from oscypek cheese represented stronger activity against L. monocytogenes, whereas strains isolated from korycinski cheese were more active against E. coli. Strains Lb. plantarum Os13 and Kor14 could be considered as good candidates for protective cultures to extend durability of food products.
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Lee XM, Lee HA, Kweon M, Park ES, Park KY. Probiotic Effects of Lactobacillus plantarum Strains Isolated from Kimchi. ACTA ACUST UNITED AC 2016. [DOI: 10.3746/jkfn.2016.45.12.1717] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Lactobacillus curvatus WiKim38 isolated from kimchi induces IL-10 production in dendritic cells and alleviates DSS-induced colitis in mice. J Microbiol 2016; 54:503-9. [PMID: 27350616 DOI: 10.1007/s12275-016-6160-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 05/26/2016] [Accepted: 05/26/2016] [Indexed: 01/29/2023]
Abstract
Probiotics such as lactobacilli and bifidobacteria have healthpromoting effects by immune modulation. In the present study, we examined the immunomodulatory properties of Lactobacillus curvatus WiKim38, which was newly isolated from baechu (Chinese cabbage) kimchi. The ability of L. curvatus WiKim38 to induce cytokine production in bone marrow-derived dendritic cells (BMDCs) was determined by enzyme-linked immunosorbent assay. To evaluate the molecular mechanisms underlying L. curvatus Wikim38-mediated IL-10 production, Western blot analyses and inhibitor assays were performed. Moreover, the in vivo anti-inflammatory effects of L. curvatus WiKim38 were examined in a dextran sodium sulfate (DSS)-induced colitis mouse model. L. curvatus WiKim38 induced significantly higher levels of IL-10 in BMDCs compared with that induced by LPS. NF-κB and ERK were activated by L. curvatus WiKim38, and an inhibitor assay revealed that these pathways were required for L. curvatus WiKim38-induced production of IL-10 in BMDCs. An in vivo experiment showed that oral administration of L. curvatus WiKim38 increased the survival rate of mice with DSS-induced colitis and improved clinical signs and histopathological severity in colon tissues. Taken together, these results indicate that L. curvatus Wikim38 may have health-promoting effects via immune modulation, and may thus be applicable for therapy of various inflammatory diseases.
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Kim JH, Li J, Han SK, Qin P, Kim J, Park Y, Lee SY, Hong Y, Kim W, Kim HY. Characterization of macrophage-activating lactic acid bacteria isolated from Mukeunji. Food Sci Biotechnol 2016; 25:595-599. [PMID: 30263311 DOI: 10.1007/s10068-016-0083-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 11/30/2015] [Accepted: 11/30/2015] [Indexed: 11/27/2022] Open
Abstract
Lactic acid bacteria (LAB) were reported to comprise the majority of the bacterial population in mukeunji, a long-fermented kimchi. This current study investigated the probiotic abilities of LAB isolated from mukeunji. Forty bacterial strains from mukeunji were identified by SDS-PAGE gel patterns, which were further tested for acid and bile tolerance. An assessment of the immuneboosting effects of these strains in RAW264.7 cells was also carried out by measurement of secreted proinflammatory cytokines. Heat-killed LAB were also tested for their contribution to cytokine production because certain LAB are not durable in the digestive tract. Immune-boosting strains were further characterized by SDS-PAGE of whole-cell protein and 16S rRNA gene sequencing, resulting in the identification of Lactobacillus plantarum, L. sakei, Weissella cibaria, and Pediococcus parvulus. These data and the fact that mukeunji is highly consumed in Korea, together, highlight the need of detailed epidemiological and animal feeding studies.
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Affiliation(s)
- Jae-Hwan Kim
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Jingmei Li
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Seon-Kyeong Han
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Pei Qin
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Jushin Kim
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Yeseul Park
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Shin-Young Lee
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Yeun Hong
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Wooki Kim
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
| | - Hae-Yeong Kim
- Institute of Life Sciences & Resources and Department of Food Sciences & Biotechnology, Kyung Hee University, Yongin, Gyeonggi, 17104 Korea
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Jung S, Lee YJ, Kim M, Kim M, Kwak JH, Lee JW, Ahn YT, Sim JH, Lee JH. Supplementation with two probiotic strains, Lactobacillus curvatus HY7601 and Lactobacillus plantarum KY1032, reduced body adiposity and Lp-PLA2 activity in overweight subjects. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.10.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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46
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Cheon SH, Seo HY, Chung YB, Chun HH. Effects of electron beam irradiation on microbial inactivation and quality of kimchi paste during storage. Int J Food Sci Technol 2015. [DOI: 10.1111/ijfs.12987] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Seon Hwa Cheon
- Research and Development Division; World Institute of Kimchi; Gwangju 503-360 Korea
| | - Hye Young Seo
- Research and Development Division; World Institute of Kimchi; Gwangju 503-360 Korea
| | - Young Bae Chung
- Research and Development Division; World Institute of Kimchi; Gwangju 503-360 Korea
| | - Ho Hyun Chun
- Research and Development Division; World Institute of Kimchi; Gwangju 503-360 Korea
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Li M, Yang D, Mei L, Yuan L, Xie A, Yuan J. Screening and characterization of purine nucleoside degrading lactic acid bacteria isolated from Chinese sauerkraut and evaluation of the serum uric acid lowering effect in hyperuricemic rats. PLoS One 2014; 9:e105577. [PMID: 25184445 PMCID: PMC4153548 DOI: 10.1371/journal.pone.0105577] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 07/16/2014] [Indexed: 02/07/2023] Open
Abstract
Hyperuricemia is well known as the cause of gout. In recent years, it has also been recognized as a risk factor for arteriosclerosis, cerebrovascular and cardiovascular diseases, and nephropathy in diabetic patients. Foods high in purine compounds are more potent in exacerbating hyperuricemia. Therefore, the development of probiotics that efficiently degrade purine compounds is a promising potential therapy for the prevention of hyperuricemia. In this study, fifty-five lactic acid bacteria isolated from Chinese sauerkraut were evaluated for the ability to degrade inosine and guanosine, the two key intermediates in purine metabolism. After a preliminary screening based on HPLC, three candidate strains with the highest nucleoside degrading rates were selected for further characterization. The tested biological characteristics of candidate strains included acid tolerance, bile tolerance, anti-pathogenic bacteria activity, cell adhesion ability, resistance to antibiotics and the ability to produce hydrogen peroxide. Among the selected strains, DM9218 showed the best probiotic potential compared with other strains despite its poor bile resistance. Analysis of 16S rRNA sequences showed that DM9218 has the highest similarity (99%) to Lactobacillus plantarum WCFS1. The acclimated strain DM9218-A showed better resistance to 0.3% bile salt, and its survival in gastrointestinal tract of rats was proven by PCR-DGGE. Furthermore, the effects of DM9218-A in a hyperuricemia rat model were evaluated. The level of serum uric acid in hyperuricemic rat can be efficiently reduced by the intragastric administration of DM9218-A (P<0.05). The preventive treatment of DM9218-A caused a greater reduction in serum uric acid concentration in hyperuricemic rats than the later treatment (P<0.05). Our results suggest that DM9218-A may be a promising candidate as an adjunctive treatment in patients with hyperuricemia during the onset period of disease. DM9218-A also has potential as a probiotic in the prevention of hyperuricemia in the normal population.
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Affiliation(s)
- Ming Li
- Department of Microecology, School of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
| | - Dianbin Yang
- Department of Microecology, School of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
| | - Lu Mei
- Department of Microecology, School of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
- Department of Gastroenterology, the Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lin Yuan
- Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Ao Xie
- Department of Microecology, School of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
| | - Jieli Yuan
- Department of Microecology, School of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
- * E-mail:
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Kim HJ, Kim MJ, Turner TL, Kim BS, Song KM, Yi SH, Lee MK. Pyrosequencing analysis of microbiota reveals that lactic acid bacteria are dominant in Korean flat fish fermented food, gajami-sikhae. Biosci Biotechnol Biochem 2014; 78:1611-8. [DOI: 10.1080/09168451.2014.921560] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Abstract
The gajami-sikhae, traditional Korean cuisine fermented with flat fish, samples were collected from eight different manufacturers (GS1–GS8). We employed pyrosequencing method to analyze the bacterial communities of the gajami-sikhae samples. Family- and genus-level analyses indicated that the bacterial community compositions of GS3 and GS6 were distinct from those of the rest. The species-level structures of bacterial communities of the gajami-sikhae samples except for GS3 and GS6 featured Lactobacillus sakei as the most abundant species. Leuconostoc mesenteroides was revealed as the most dominant species among the bacterial community of GS6 and the bacterial community of GS3 was composed of various lactic acid bacteria. We employed a culture-based method to isolate beneficial strains from the gajami-sikhae samples. However, most of the 47 selected colonies were identified as Bacillus subtilis and Bacillus amyloliquefaciens. This study indicated that gajami-sikhae was mainly composed of many beneficial lactic acid bacteria.
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Affiliation(s)
- Hyo Jin Kim
- Fermentation and Functionality Research Group, Korea Food Research Institute, Sungnam-Si, Republic of Korea
| | - Min-Jeong Kim
- Fermentation and Functionality Research Group, Korea Food Research Institute, Sungnam-Si, Republic of Korea
| | - Timothy Lee Turner
- Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Bong-Soo Kim
- ChunLab, Inc., Seoul National University, Seoul, Republic of Korea
| | - Kyung-Mo Song
- Fermentation and Functionality Research Group, Korea Food Research Institute, Sungnam-Si, Republic of Korea
| | - Sung Hun Yi
- Fermentation and Functionality Research Group, Korea Food Research Institute, Sungnam-Si, Republic of Korea
| | - Myung-Ki Lee
- Fermentation and Functionality Research Group, Korea Food Research Institute, Sungnam-Si, Republic of Korea
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49
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Cheng X, Dong Y, Su P, Xiao X. Improvement of the fermentative activity of lactic acid bacteria starter culture by the addition of Mn²⁺. Appl Biochem Biotechnol 2014; 174:1752-60. [PMID: 25146195 DOI: 10.1007/s12010-014-1156-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Accepted: 08/15/2014] [Indexed: 11/26/2022]
Abstract
Production of lactic acid bacteria (LAB) starter with raw material has received much scientific investigation, but little information is available on the influences of some trace elements on the growth and fermentative activity of LAB. Based on this fact, this paper aimed to investigate the effects of Mn(2+) on the performance of Lactobacillus plantarum CX-15 starter with Jerusalem artichoke (JA) as the main medium substrate. The results showed that Mn(2+) addition had a significant beneficial affect on the fermentative activity of L. plantarum CX-15 starter. In contrast, the lack of Mn(2+) would cause the subsequent fermentation significantly slower, whether the cell density in starter culture was higher or lower. The possible mechanism of these phenomenons was further elucidated by the time course analysis of the specific activities of metabolism key enzymes during the culture processes of L. plantarum CX-15 starter. Compared to the fermentation processes without Mn(2+) addition, it was found that Mn(2+) addition would enhance the lactate dehydrogenase (LDH) activity but reduce the activities of pyruvate dehydrogenase (PDH) and ATPase activity. Therefore, it could be concluded that the improvement of L. plantarum starter fermentative activity was probably a consequence of Mn(2+) acting as "metabolic switch," which regulated the metabolic flux from pyruvic acid to lactic acid and other metabolism pathway.
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Affiliation(s)
- Xin Cheng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
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50
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Wang SM, Zhang LW, Fan RB, Han X, Yi HX, Zhang LL, Xue CH, Li HB, Zhang YH, Shigwedha N. Induction of HT-29 cells apoptosis by lactobacilli isolated from fermented products. Res Microbiol 2014; 165:202-14. [PMID: 24631592 DOI: 10.1016/j.resmic.2014.02.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2013] [Accepted: 02/06/2014] [Indexed: 01/17/2023]
Abstract
A total of 138 lactobacillus strains were obtained from the traditional fermented foods of minority nationalities or infant faeces, respectively. The lactobacillus strains were screened for anticancer effects and probiotic potential. The results showed that 10 strains exerted anti-proliferative activity and higher adhering capability on HT-29 cells. They were then screened for resistance to biological barriers (acid and bile salts), and the four most promising strains were selected. Further analysis revealed that the 4 strains (cell walls and cytoplasm extracts) displayed the high anti-proliferative activity and the large extent of DNA strand breakage in individual cells. Through the selected procedure, cell walls that were extracted from X12, M5 and K14 strains induced apoptosis in HT-29 cells. Further investigation confirmed that apoptosis-inducing ability of cell wall extracts was attributed to the breakdown of mitochondrial membrane potential, which is a known initiation of apoptotic mitochondrial pathway. Cell walls from X12, M5 and K14 strains, were determined to be less harmful to noncancerous Vero cells than to human colon cancer HT-29 cells. These findings suggested that X12, M5 and K14 strains opposing the ability to induce HT-29 cells apoptosis, and cell wall extracts were involved in this apoptosis induction.
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Affiliation(s)
- Shu-Mei Wang
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China; Harbin University, Harbin 150080, Heilongjiang, China.
| | - Lan-Wei Zhang
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Rong-Bo Fan
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China; College of Food Science & Engineering, Qingdao Agricultural University, Qingdao 266109, China.
| | - Xue Han
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Hua-Xi Yi
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Li-Li Zhang
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Chao-Hui Xue
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Hong-Bo Li
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Yan-He Zhang
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Nditange Shigwedha
- School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, China; University of Namibia, Department of Food Science and Technology, Windhoek, Namibia.
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