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Ghayoomi H, Edalatian Dovom MR, Habibi Najafi MB, Pourfarzad A. The principal component analysis of key and significant features of the safety and nutritional value of Mahyaveh sauce. Food Sci Nutr 2024; 12:2896-2907. [PMID: 38628227 PMCID: PMC11016446 DOI: 10.1002/fsn3.3970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 01/02/2024] [Accepted: 01/05/2024] [Indexed: 04/19/2024] Open
Abstract
The objective of present research is to evaluate the changes in the chemical, microbial, and biogenic amines in Persian fish sauce (Mahyaveh) during 40 days of fermentation. In the current survey, the parameters of salt percentage, pH, total nitrogen concentration, amino nitrogen concentration, Brix, color features, cadaverine, and histamine concentration were measured in the fish sauce. The amino nitrogen content, total protein, Brix, and salt were increased along with the progression of fermentation process. The microbial population of Mahyaveh sauce demonstrated that lactic acid bacteria (LAB), total bacterial count, and Enterobacteriaceae decreased during fermentation. The population of lactic acid bacteria and the total count of bacteria were around one logarithmic cycle lower in the presence of 10% salt than under low salt conditions. Histamine and cadaverine concentrations increased to 43.49 and 42.76 mg/kg during the fermentation period, respectively. As a result, the population density of histamine-producing bacteria rose from 3.00 log CFU/mL at the beginning to 4.58 log CFU/mL at the end of process. The population density of cadaverine-producing bacteria was 3.43 and 5.24 log CFU/mL on the 20th and 40th days of fermentation, respectively. Sensory evaluation results indicated that our sample of fish sauce had an overall acceptability score of 5.1 (good). On the other hand, Principal Component Analysis (PCA) demonstrated a positive correlation between the most of chemical parameters and the fermentation period. The concentration of cadaverine and histamine has a positive association with the pH and type of bacteria producing the biogenic amines.
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Affiliation(s)
- Hoda Ghayoomi
- Department of Food Science and Technology, Faculty of AgricultureFerdowsi University of MashhadMashhadIran
| | | | | | - Amir Pourfarzad
- Department of Food Science and Technology, Faculty of Agricultural SciencesUniversity of GuilanRashtIran
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Gizachew S, Van Beeck W, Spacova I, Dekeukeleire M, Alemu A, Mihret W, Lebeer S, Engidawork E. Characterization of potential probiotic starter cultures of lactic acid bacteria isolated from Ethiopian fermented cereal beverages, Naaqe, and Cheka. J Appl Microbiol 2023; 134:lxad237. [PMID: 37858306 DOI: 10.1093/jambio/lxad237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/21/2023] [Accepted: 10/18/2023] [Indexed: 10/21/2023]
Abstract
AIMS To test the in vitro probiotic potential and starter culture capacity of lactic acid bacteria (LAB) isolated from Naaqe and Cheka, cereal-based Ethiopian traditional fermented beverages. METHODS AND RESULTS A total of 44 strains were isolated from spontaneously fermented Ethiopian cereal-based beverages, Naaqe and Cheka with 24 putatively identified as LAB and 14 identified up to the species level. The species Limosilactobacillus fermentum (6/12; 50%) and Weissella confusa (5/12, 41.67%) were the predominant species identified from Naaqe, while the two Cheka isolates were L. fermentum and Pediococcus pentosaceus. Six LAB strains inhibited eight of the nine gastrointestinal indicator key pathogens in Ethiopia, including Escherichia coli, Salmonella enterica subsp. enterica var. Typhimurium, Staphylococcus aureus, Shigella flexneri, and Listeria monocytogenes. Three of the LAB isolates exhibited strain-specific immunostimulation in human monocytes. Based on these probiotic properties and growth, six strains were selected for in situ evaluation in a mock fermentation of Naaqe and Cheka. During primary fermentations, L. fermentum 73B, P. pentosaceus 74D, L. fermentum 44B, W. confusa 44D, L. fermentum 82C, and Weissella cibaria 83E and their combinations demonstrated higher pH-lowering properties and colony-forming unit counts compared to the control spontaneous fermentation. The same pattern was also observed in the secondary mock fermentation by the Naaqe LAB isolates. CONCLUSIONS In this study, we selected six LAB strains with antipathogenic, immunostimulatory, and starter culture potentials that can be used as autochthonous probiotic starters for Naaqe and Cheka fermentations once their health benefit is ascertained in a clinical trial as a next step.
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Affiliation(s)
- Seyoum Gizachew
- Department of Pharmacology and Clinical Pharmacy, School of Pharmacy, College of Health Sciences, Addis Ababa University, P.O. Box 9086, Addis Ababa, Ethiopia
- Department of Bioscience Engineering, Faculty of Sciences, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Wannes Van Beeck
- Department of Bioscience Engineering, Faculty of Sciences, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Irina Spacova
- Department of Bioscience Engineering, Faculty of Sciences, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Max Dekeukeleire
- Department of Bioscience Engineering, Faculty of Sciences, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Ashenafi Alemu
- Bacterial and Viral Diseases Research Directorate, Armauer Hansen Research Institute, P.O. Box 1005, Addis Ababa, Ethiopia
| | - Wude Mihret
- Bacterial and Viral Diseases Research Directorate, Armauer Hansen Research Institute, P.O. Box 1005, Addis Ababa, Ethiopia
| | - Sarah Lebeer
- Department of Bioscience Engineering, Faculty of Sciences, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Ephrem Engidawork
- Department of Pharmacology and Clinical Pharmacy, School of Pharmacy, College of Health Sciences, Addis Ababa University, P.O. Box 9086, Addis Ababa, Ethiopia
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Olaniran AF, Osemwegie O, Taiwo EA, Okonkwo CE, Ojo OA, Abalaka M, Malomo AA, Iranloye YM, Akpor OB, Bamidele OP, Michael T. Application and Acceptability of Microbiomes in the Production Process of Nigerian Indigenous Foods: Drive towards Responsible Production and Consumption. Prev Nutr Food Sci 2023; 28:108-120. [PMID: 37416797 PMCID: PMC10321447 DOI: 10.3746/pnf.2023.28.2.108] [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: 02/14/2023] [Accepted: 03/15/2023] [Indexed: 07/08/2023] Open
Abstract
In Nigeria, the use of microorganisms for food product modulation, development, and commercialization through biotechnological innovations remains unexplored and unaccepted. The microbiome-based sustainable innovation in the production process of Nigerian indigenous food requires a vigorous drive toward responsible consumption and production. The production process of locally fermented beverages and foods culturally varies in terms of fermentation techniques and is characterized by the distinctiveness of the microbiomes used for food and beverage production. This review was conducted to present the use of microbiome, its benefits, and utility as well as the perspectives toward and mediatory roles of biotechnology on the processing of locally fermented foods and their production in Nigeria. With the current concerns on global food insecurity, the utilization of modern molecular and genetic sciences to improve various rural food processing technologies to acceptable foreign exchange and socioeconomic scales has been gaining attention. Thus, further research on the various types of processing techniques for locally fermented foods using microbiomes in Nigeria is needed, with a focus on yield optimization using advanced techniques. This study demonstrates the adaptability of processed foods locally produced in Nigeria for the beneficial control of microbial dynamics, optimal nutrition, therapeutic, and organoleptic characteristics.
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Affiliation(s)
- Abiola Folakemi Olaniran
- Department of Food Science and Microbiology, College of Pure and Applied Sciences, Landmark University, Omu-Aran, Kwara State 251103, Nigeria
| | - Osarenkhoe Osemwegie
- Department of Food Science and Microbiology, College of Pure and Applied Sciences, Landmark University, Omu-Aran, Kwara State 251103, Nigeria
| | - Ezekiel Abiola Taiwo
- Faculty of Engineering, Mangosuthu University of Technology, Durban 4031, South Africa
| | - Clinton Emeka Okonkwo
- Department of Food Science, College of Food and Agriculture, United Arab Emirates (UAE) University, Al Ain 15551, UAE
| | | | - Moses Abalaka
- Department of Microbiology, Federal University of Technology, Minna, Niger State 920101, Nigeria
| | - Adekunbi Adetola Malomo
- Department of Food Science and Technology, Faculty of Technology, Obafemi Awolowo University, Ile-Ife, Osun State 220101, Nigeria
| | - Yetunde Mary Iranloye
- Department of Food Science and Microbiology, College of Pure and Applied Sciences, Landmark University, Omu-Aran, Kwara State 251103, Nigeria
| | | | | | - Towobola Michael
- Department of Food Science and Microbiology, College of Pure and Applied Sciences, Landmark University, Omu-Aran, Kwara State 251103, Nigeria
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Kocabay S. Evaluation of probiotic properties of Levilactobacillus brevis isolated from hawthorn vinegar. Arch Microbiol 2023; 205:258. [PMID: 37286902 DOI: 10.1007/s00203-023-03599-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/09/2023]
Abstract
Probiotic microorganisms are increasing their interest today due to the benefits they provide to humans. Vinegar is the process of processing foods containing carbohydrates that can be fermented by acetic acid bacteria and yeasts. Hawthorn vinegar is also important in terms of amino acids, aromatic compounds, organic acids, vitamins and minerals it contains. Depending on the variety of microorganisms in it, the content of hawthorn vinegar changes, especially its biological activity. Bacteria were isolated from handmade hawthorn vinegar obtained in this study. After performing its genotypic characterization, it has been tested that it can grow in low pH environment, survive in artificial gastric and small intestinal fluid, survive against bile acids, surface adhesion characteristics, antibiotic susceptibility, adhesion, and degrade various cholesterol precursors. According to the results obtained, the studied isolate is Levilactobacillus brevis, it can reproduce best at pH 6.3, survives 72.22% in simulated gastric juice, 69.59% in small intestinal fluid, and 97% adhesion to HTC-116. Partially reproduces even in the presence of 2% ox-bile, surface hydrophobicity is 46.29% for n-hexadecane. It has been determined that it can degrade 4 different cholesterol precursors except for Sodium thioglycolate and is generally resistant to antibiotics except for CN30 and N30. Considering the experimental findings of Levilactobacillus brevis isolated from hawthorn vinegar for the first time, it can be said that Levilactobacillus brevis has probiotic properties.
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Affiliation(s)
- Samet Kocabay
- Department of Molecular Biology and Genetics, Faculty of Science and Art, Inonu University , Malatya, Turkey.
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Sylvere N, Mustopa AZ, Budiarti S, Meilina L, Hertati A, Handayani I. Whole-genome sequence analysis and probiotic characteristics of Lactococcus lactis Subsp. lactis strain Lac3 isolated from traditional fermented buffalo milk (Dadih). J Genet Eng Biotechnol 2023; 21:49. [PMID: 37127774 PMCID: PMC10151293 DOI: 10.1186/s43141-023-00503-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 04/20/2023] [Indexed: 05/03/2023]
Abstract
BACKGROUND Probiotics are live microorganisms that provide beneficial effects on the host's health when exploited in adequate amounts. This study aimed at carrying out whole-genome sequence analysis and in vitro potential probiotic characteristics of Lactococcus lactis subsp. lactis strain Lac3 isolated from the spontaneously fermented buffalo milk named Dadih. RESULTS The results from de novo assembly indicated that the assembled genome consisted of 55 contigs with a genome size of 2,441,808 bp ~ (2.44 Mb), and GC % content of 34.85%. The evolution history result showed that the strain Lac3 was closely related to Lactococcus lactis species deposited in NCBI with a sequence similarity ≥ 99.93%. L. lactis subsp. lactis Lac3 was non-pathogenic with a probability of 0.21 out of 1 and had a pathogenicity score of zero (0), and neither harbored virulence factors nor acquired antibiotic resistance phenotypes. L. lactis subsp. lactis Lac3 exhibited the potential probiotic characteristics to tolerate acid at pH (2.0 and 5.0), salinity (1-5% NaCl), bile salt of (0.3-1.0%) and had auto-aggregation capacity increased from 6.0 to 13.1%. CONCLUSION This study described a novel strain of Lactococcus lactis subsp. lactis called Lac3, which exhibits probiotic properties that could be beneficial in the development of probiotics.
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Affiliation(s)
| | - Apon Zaenal Mustopa
- Research Center for Genetic Engineering, National Research and Innovation Agency (BRIN), Bogor, 16911, Indonesia.
| | - Sri Budiarti
- School of Biotechnology, IPB University, Bogor, Indonesia
- Indonesia Research Center for Bioresources and Biotechnology, IPB University, Bogor, Indonesia
| | - Lita Meilina
- Research Center for Genetic Engineering, National Research and Innovation Agency (BRIN), Bogor, 16911, Indonesia
| | - Ai Hertati
- Research Center for Genetic Engineering, National Research and Innovation Agency (BRIN), Bogor, 16911, Indonesia
| | - Ira Handayani
- Research Center for Applied Microbiology, National Research and Innovation Agency (BRIN), Bogor, 16911, Indonesia
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Chioma Mgbodile F, Nwagu TNT. Probiotic therapy, African fermented foods and food-derived bioactive peptides in the management of SARS-CoV-2 cases and other viral infections. BIOTECHNOLOGY REPORTS 2023; 38:e00795. [PMID: 37041970 PMCID: PMC10066861 DOI: 10.1016/j.btre.2023.e00795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 03/20/2023] [Accepted: 03/27/2023] [Indexed: 04/04/2023]
Abstract
The current paper focuses on the impact of probiotics, African fermented foods and bioactive peptides on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection severity and related viral infections. Using probiotics or bioactive peptides as therapeutic adjuncts appears superior to standard care alone. Probiotics play critical roles in innate and adaptive immune modulation by balancing the gut microbiota to combat viral infections, secondary bacterial infections and microbial dysbiosis. African fermented foods contain abundant potential probiotic microorganisms such as the lactic acid bacteria (LAB), Saccharomyces, and Bacillus. More so, fermented food-derived bioactive peptides play vital roles in preventing cardiovascular diseases, hypertension, lung injury, diabetes, and other COVID-19 comorbidities. Regularly incorporating potential probiotics and bioactive peptides into diets should enable a build-up of the benefits in the body system that may result in a better prognosis, especially in COVID-19 patients with underlying complexities. Despite the reported therapeutic potentials of probiotics and fermented foods, numerous setbacks exist regarding their application in disease management. These shortfalls underscore an evident need for more studies to evaluate the specific potentials of probiotics and traditional fermented foods in ameliorating SARS-CoV-2 and other viral infections.
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7
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Rapoo SM, Budeli P, Thaoge ML. Recovery of Potential Starter Cultures and Probiotics from Fermented Sorghum (Ting) Slurries. Microorganisms 2023; 11:microorganisms11030715. [PMID: 36985287 PMCID: PMC10054160 DOI: 10.3390/microorganisms11030715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/20/2023] [Accepted: 03/01/2023] [Indexed: 03/12/2023] Open
Abstract
Fermented foods are thought to provide a source of probiotics that promote gut health. Consequently, isolation and characterization of fermented food strains and their applications in a controlled fermentation process or as probiotics present a new facet in this area of research. Therefore, the current study sought to identify dominant strains in sorghum-fermented foods (ting) and characterize their probiotic potential in vitro. Recovered isolates were identified as Lactobacillus helveticus, Lactobacillus amylolyticus, Lacticaseibacillus paracasei, Lacticaseibacillus paracasei subsp paracasei, Lactiplantibacillus plantarum, Levilactobacillus brevis, Loigolactobacillus coryniformis and Loigolactobacillus coryniformis subsp torquens based on the their 16S rRNA sequences. Increased biomass was noted in seven out of nine under a low pH of 3 and a high bile concentration of 2% in vitro. Bactericidal activities of isolated LABs presented varying degrees of resistance against selected pathogenic bacteria ranging between (1.57 to 41 mm), (10 to 41 mm), and (11.26 to 42 mm) for Salmonella typhimurium ATTC 14028, Staphylococcus aureus ATTC 6538 and Escherichia coli ATTC8739, respectively. Ampicillin, erythromycin, mupirocin, tetracycline and chloramphenicol were able to inhibit growth of all selected LABs. Thus, isolates recovered from ting partially satisfy the potential candidacy for probiotics by virtue of being more tolerant to acid and bile, antibacterial activity and antibiotic resistance.
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8
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Wang D, Fan H, Wang B, Liu L, Shi Y, Zhang N. Effects of lactic acid bacteria fermentation on the physicochemical and structural characteristics of starch in blends of glutinous and japonica rice. J Food Sci 2023; 88:1623-1639. [PMID: 36880577 DOI: 10.1111/1750-3841.16524] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 01/19/2023] [Accepted: 02/20/2023] [Indexed: 03/08/2023]
Abstract
In this study, the effects of lactic acid bacteria (LAB) fermentation on the physicochemical and structural characteristics of mixed starches in blends of glutinous and japonica rice were investigated. Five starter cultures improved in varying degrees the hydration ability, transparency, and freeze-thaw stability of the mixed starches. Mixed starch I, prepared by fermentation of Lactobacillus acidophilus HSP001, exhibited optimal water-holding capacity, solubility, and swelling power. In comparison, mixed starches V and III involved fermentation of L. acidophilus HSP001 and Latilactobacillus sakei HSP002, using ratios of 2:1 and 1:1 to achieve higher transparency and freeze-thaw stability, respectively. The LAB-fermented, mixed starches exhibited excellent pasting properties due to their high peak viscosities and low setback values. Moreover, the viscoelasticity of mixed starches III-V, prepared by compound fermentation of L. acidophilus HSP001 and L. sakei HSP002 in ratios of 1:1, 1:2, and 2:1, respectively, proved superior to their single strain fermentation counterparts. Meanwhile, LAB fermentation resulted in reduced gelatinization enthalpy, relative crystallinity, and short-range ordered degree. Thus, the effects of five LAB starter cultures on mixed starches were inconsistent, but these results provide a theoretical basis for the application of mixed starches. PRACTICAL APPLICATION: Lactic acid bacteria was used to ferment blends of glutinous and japonica rice. Fermented mixed starch had better hydration, transparency, and freeze-thaw stability. Fermented mixed starch exhibited nice pasting properties and viscoelasticity. LAB fermentation corroded starch granules, leading to the decrease of ΔH. Relative crystallinity and short-range order of fermented mixed starch decreased.
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Affiliation(s)
- Dengyu Wang
- College of Food Engineering, Key Laboratory of Food Science and Engineering of Heilongjiang Ordinary Higher Colleges, Harbin University of Commerce, Harbin, China.,College of Food Engineering, Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang Province, Harbin University of Commerce, Harbin, China
| | - Hongchen Fan
- College of Food Engineering, Key Laboratory of Food Science and Engineering of Heilongjiang Ordinary Higher Colleges, Harbin University of Commerce, Harbin, China.,College of Food Engineering, Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang Province, Harbin University of Commerce, Harbin, China
| | - Bing Wang
- College of Food Engineering, Key Laboratory of Food Science and Engineering of Heilongjiang Ordinary Higher Colleges, Harbin University of Commerce, Harbin, China.,College of Food Engineering, Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang Province, Harbin University of Commerce, Harbin, China
| | - Linlin Liu
- College of Food Engineering, Key Laboratory of Food Science and Engineering of Heilongjiang Ordinary Higher Colleges, Harbin University of Commerce, Harbin, China.,College of Food Engineering, Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang Province, Harbin University of Commerce, Harbin, China
| | - Yanguo Shi
- College of Food Engineering, Key Laboratory of Food Science and Engineering of Heilongjiang Ordinary Higher Colleges, Harbin University of Commerce, Harbin, China.,College of Food Engineering, Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang Province, Harbin University of Commerce, Harbin, China
| | - Na Zhang
- College of Food Engineering, Key Laboratory of Food Science and Engineering of Heilongjiang Ordinary Higher Colleges, Harbin University of Commerce, Harbin, China.,College of Food Engineering, Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang Province, Harbin University of Commerce, Harbin, China
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Aworh OC. African traditional foods and sustainable food security. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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10
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Olayanju A, Mellor D, Khatri Y, Pickles N. The efficacy of fermented foods in the treatment and management of diarrhoeal diseases: A systematic review and meta-analysis. Nutr Health 2023; 29:71-83. [PMID: 35484792 PMCID: PMC10009476 DOI: 10.1177/02601060221095678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background: Diarrhoeal disease is a major cause of global infant mortality, and compromises the ability of many countries with respect to achieving sustainable development goals. The WHO's recommendation of Oral Rehydration Solution (ORS) and zinc in the management of this disease, may not be readily available. Consideration and assessment of cultural practices in its management has been an area of increased interest over the last decade. Aim: This study aims to systematically evaluate efficacy of the consumption of traditional fermented foods as functional products for the treatment and management of diarrhoea. Methods: Following PRISMA guidelines, a systematic review was conducted of electronic databases (Cochrane Library, Ovid Medline and Pubmed) databases with no restrictions on language and publication date for RCTs that investigated the effect of consumption of fermented foods on the treatment of diarrhoea in children under five years of age. Results: Seven RCTs were included. Meta-analysis showed that compared to control, consumption of fermented foods significantly reduced mean duration of diarrhoea, -0.61 days; (95% CI, -1.04, -0.18); length of hospitalization, -0.35 days (95% CI, -0.69, -0.02); but not mean daily frequency of stool -2.00 (95% CI,-7.03, 3.04). Conclusion: Limited available evidence suggests that consumption of fermented foods may help reduce duration and severity of symptoms as a treatment of diarrhoea. More high quality research needs to be undertaken to investigate the efficacy of fermented food as an effective alternative to ORS as a potential WHO recommendation for management of diarrhoeal disease.
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Affiliation(s)
- Adetokunbo Olayanju
- School of Health Sciences, 151625Liverpool Hope University, Hope Park, L16 9JD
| | - Duane Mellor
- College of Health and Life Sciences, 1722Aston University, Aston Triangle, Birmingham, B4 7ET, UK
| | - Yunus Khatri
- Department of Food Science and Nutrition, 4468University of Leeds, Leeds, LS2 1JT
| | - Neil Pickles
- Faculty of Arts, Science and Technology, 282385Wrexham Glyndŵr University, Mold Road, Wrexham, Wales, LL11 2AW, UK
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Probiotic Potential of the Marine Isolate Enterococcus faecium EA9 and In Vivo Evaluation of Its Antisepsis Action in Rats. Mar Drugs 2023; 21:md21010045. [PMID: 36662218 PMCID: PMC9860781 DOI: 10.3390/md21010045] [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: 11/04/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
This study aims to obtain a novel probiotic strain adapted to marine habitats and to assess its antisepsis properties using a cecal ligation and puncture (CLP) model in rodents. The marine Enterococcus faecium EA9 was isolated from marine shrimp samples and evaluated for probiotic potential after phenotypical and molecular identification. In septic animals, hepatic and renal tissues were histologically and biochemically evaluated for inflammation and oxidative stress following the probiotic treatment. Moreover, gene expressions of multiple signaling cascades were determined using RT-PCR. EA9 was identified and genotyped as Enterococcus faecium with a 99.88% identity. EA9 did not exhibit any signs of hemolysis and survived at low pH and elevated concentrations of bile salts. Moreover, EA9 isolate had antibacterial activity against different pathogenic bacteria and could thrive in 6.5% NaCl. Septic animals treated with EA9 had improved liver and kidney functions, lower inflammatory and lipid peroxidation biomarkers, and enhanced antioxidant enzymes. The CLP-induced necrotic histological changes and altered gene expressions of IL-10, IL-1β, INF-γ, COX-2, SOD-1, SOD-2, HO-1, AKT, mTOR, iNOS, and STAT-3 were abolished by the EA9 probiotic in septic animals. The isolate Enterococcus faecium EA9 represents a promising marine probiotic. The in vivo antisepsis testing of EA9 highlighted its potential and effective therapeutic approach.
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Identification, Purification, Characterization and Biopreservation Potential of Antimicrobial Peptide of Pediococcus acidilactici NCDC 252. Int J Pept Res Ther 2023. [DOI: 10.1007/s10989-022-10485-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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13
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Immune System and Epidemics: The Role of African Indigenous Bioactive Substances. Nutrients 2023; 15:nu15020273. [PMID: 36678143 PMCID: PMC9864875 DOI: 10.3390/nu15020273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023] Open
Abstract
With over 6 million coronavirus pandemic deaths, the African continent reported the lowest death rate despite having a high disease burden. The African community's resilience to the pandemic has been attributed to climate and weather conditions, herd immunity, repeated exposure to infectious organisms that help stimulate the immune system, and a disproportionately large youth population. In addition, functional foods, herbal remedies, and dietary supplements contain micronutrients and bioactive compounds that can help boost the immune system. This review identified significant traditional fermented foods and herbal remedies available within the African continent with the potential to boost the immune system in epidemics and pandemics. Methodology: Databases, such as PubMed, the Web of Science, and Scopus, were searched using relevant search terms to identify traditional African fermented foods and medicinal plants with immune-boosting or antiviral capabilities. Cereal-based fermented foods, meat-, and fish-based fermented foods, and dairy-based fermented foods containing antioxidants, immunomodulatory effects, probiotics, vitamins, and peptides were identified and discussed. In addition, nine herbal remedies and spices belonging to eight plant families have antioxidant, immunomodulatory, anti-inflammatory, neuroprotective, hepatoprotective, cardioprotective, and antiviral properties. Peptides, flavonoids, alkaloids, sterols, ascorbic acid, minerals, vitamins, and saponins are some of the bioactive compounds in the remedies. Bioactive compounds in food and plants significantly support the immune system and help increase resistance against infectious diseases. The variety of food and medicinal plants found on the African continent could play an essential role in providing community resilience against infectious diseases during epidemics and pandemics. The African continent should investigate nutritional, herbal, and environmental factors that support healthy living and longevity.
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14
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Zeng Y, Dai X, Chen Q, Liu Y, Gifty ZB, Sun W, Tang Z. Effect of Dietary Pomelo Peel Powder on Growth Performance, Diarrhea, Immune Function, Antioxidant Function, Ileum Morphology, and Colonic Microflora of Weaned Piglets. Animals (Basel) 2022; 12:ani12223216. [PMID: 36428442 PMCID: PMC9687033 DOI: 10.3390/ani12223216] [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: 09/21/2022] [Revised: 10/31/2022] [Accepted: 11/14/2022] [Indexed: 11/22/2022] Open
Abstract
This trial evaluated how dietary-accommodated pomelo peel powder (PPP) affected average daily feed intake (ADFI) and average daily gain (ADG), diarrhea, antioxidation, and colonic microbial in weaned piglets. Thirty piglets weaned at 28 d were divided into three groups: a basal diet (CON); a CON containing 75 mg/kg chlortetracycline (CTC); and a CON containing 8 g/kg (PPP). This trial had a period of 28 days. Piglets supplemented with PPP had higher ADFI and ADG than piglets in CTC and CON (p < 0.05). The diarrhea rate in PPP and CTC was lower than in CON in the 3rd and 4th weeks (p < 0.05). Serum superoxide dismutase and glutathione peroxidase enzyme activities, and total antioxidant capacity in PPP were higher than those in CON (p < 0.05). Serum interleukin (IL)-4, insulin-like growth factor-I, immunoglobulin (Ig)A, and IgG concentrations in the PPP and CTC groups were higher than those in the CON group (p < 0.05). Serum IL-1β, IL-8, IL-17, and interferon (IFN)-γ concentrations and the cecal pH in PPP were lower than those in CON (p < 0.05). Serum IL-1β, IFN-γ, and IgA concentrations of piglets in PPP were lower than in CTC (p < 0.05). The villus height and villus height/crypt depth of the ileum of piglets in PPP and CTC were higher than those in CON (p < 0.05), but there was no difference between PPP and CTC (p > 0.05). The Firmicutes and Cyanobacteria relative abundances in PPP and CTC (p < 0.05) were lower than those in CON, whereas the Bacteroidetes relative abundances in PPP and CTC were higher than those in CON. The Prevotellaceae relative abundance in CTC was higher than in CON (p < 0.05), whereas the Lactobacillaceae relative abundance in CTC was lower than in CON (p < 0.05). The Ruminococcaceae relative abundance in PPP was higher than in CON (p < 0.05), whereas the Veillonellaceae relative abundance in PPP was lower than in CON (p < 0.05). PPP can improve ADFI and ADG, relieve diarrhea, and enhance the colonic microflora of weaned piglets. Therefore, PPP is expected to replace CTC as a feed additive to alleviate weaning stress and ensure normal growth and development of piglets.
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Affiliation(s)
- Yan Zeng
- Hunan Institute of Microbiology, Changsha 410009, China
| | - Xinrui Dai
- Hunan Institute of Microbiology, Changsha 410009, China
- Laboratory of Bio-Feed and Animal Nutrition, Southwest University, Chongqing 400715, China
| | - Qingju Chen
- Hunan Institute of Microbiology, Changsha 410009, China
- Laboratory of Bio-Feed and Animal Nutrition, Southwest University, Chongqing 400715, China
| | - Yubo Liu
- Hunan Institute of Microbiology, Changsha 410009, China
| | - Ziema Bumbie Gifty
- Laboratory of Bio-Feed and Animal Nutrition, Southwest University, Chongqing 400715, China
| | - Weizhong Sun
- Laboratory of Bio-Feed and Animal Nutrition, Southwest University, Chongqing 400715, China
| | - Zhiru Tang
- Hunan Institute of Microbiology, Changsha 410009, China
- Laboratory of Bio-Feed and Animal Nutrition, Southwest University, Chongqing 400715, China
- Correspondence: ; Tel.: +86-1399-6192-900
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Effect of Starters on Quality Characteristics of Hongsuantang, a Chinese Traditional Sour Soup. FERMENTATION 2022. [DOI: 10.3390/fermentation8110589] [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] Open
Abstract
Hongsuantang (HST) is a traditional Chinese and famous sour soup. However, the quality of naturally fermented HST is not controllable. We investigated the effects of different lactic acid bacteria starters on HST acid production, color, antioxidant capacity, total phenols, total carotenoids, organic acids, volatile substances, and sensory properties to determine the most suitable strain for HST production. The results showed that among the seven lactic acid bacteria strains used to inoculate fermented HST, Lactiplantibacillus plantarum SQ-4 exhibited the most excellent fermentation characteristics. SQ-4 rapidly reduced the HST’s pH by 0.77. It significantly increased the HST’s color, organic acids, total phenols, carotenoids, lycopene, and free radical scavenging ability. Lactiplantibacillus plantarum SQ-4 was an excellent starter for preparing HST with good acid production capacity, moderate sourness and spiciness, and good sensory and other characteristics. Each starter produces its distinct flavor components. α-Pinene, myrcene, α-copaene, and guaiol were vital aroma compounds in HST fermentation by the starter. This study laid a foundation for selecting HST starters and potential industrial production.
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Qin H, Wu H, Shen K, Liu Y, Li M, Wang H, Qiao Z, Mu Z. Fermented Minor Grain Foods: Classification, Functional Components, and Probiotic Potential. Foods 2022; 11:3155. [PMID: 37430904 PMCID: PMC9601907 DOI: 10.3390/foods11203155] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/01/2022] [Accepted: 10/04/2022] [Indexed: 08/05/2023] Open
Abstract
Fermented minor grain (MG) foods often have unique nutritional value and functional characteristics, which are important for developing dietary culture worldwide. As a kind of special raw material in fermented food, minor grains have special functional components, such as trace elements, dietary fiber, and polyphenols. Fermented MG foods have excellent nutrients, phytochemicals, and bioactive compounds and are consumed as a rich source of probiotic microbes. Thus, the purpose of this review is to introduce the latest progress in research related to the fermentation products of MGs. Specific discussion is focused on the classification of fermented MG foods and their nutritional and health implications, including studies of microbial diversity, functional components, and probiotic potential. Furthermore, this review discusses how mixed fermentation of grain mixtures is a better method for developing new functional foods to increase the nutritional value of meals based on cereals and legumes in terms of dietary protein and micronutrients.
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Affiliation(s)
- Huibin Qin
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Key Laboratory of Crop Gene Resources and Germplasm Enhancement on Loess Plateau, Ministry of Agriculture, Shanxi Key Laboratory of Genetic Resources and Genetic Improvement of Minor Crops, Taiyuan 030031, China
| | - Houbin Wu
- Shennong Technology Group Co., Ltd., Jinzhong 030801, China
| | - Ke Shen
- Shennong Technology Group Co., Ltd., Jinzhong 030801, China
| | - Yilin Liu
- Shennong Technology Group Co., Ltd., Jinzhong 030801, China
| | - Meng Li
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Key Laboratory of Crop Gene Resources and Germplasm Enhancement on Loess Plateau, Ministry of Agriculture, Shanxi Key Laboratory of Genetic Resources and Genetic Improvement of Minor Crops, Taiyuan 030031, China
| | - Haigang Wang
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Key Laboratory of Crop Gene Resources and Germplasm Enhancement on Loess Plateau, Ministry of Agriculture, Shanxi Key Laboratory of Genetic Resources and Genetic Improvement of Minor Crops, Taiyuan 030031, China
| | - Zhijun Qiao
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Key Laboratory of Crop Gene Resources and Germplasm Enhancement on Loess Plateau, Ministry of Agriculture, Shanxi Key Laboratory of Genetic Resources and Genetic Improvement of Minor Crops, Taiyuan 030031, China
| | - Zhixin Mu
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Key Laboratory of Crop Gene Resources and Germplasm Enhancement on Loess Plateau, Ministry of Agriculture, Shanxi Key Laboratory of Genetic Resources and Genetic Improvement of Minor Crops, Taiyuan 030031, China
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In Vitro Assessment of Probiotic and Technological Properties of Lactic Acid Bacteria Isolated from Indigenously Fermented Cereal-Based Food Products. FERMENTATION 2022. [DOI: 10.3390/fermentation8100529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The present study concerns the isolation and characterization of potential probiotic bacteria isolated from indigenously fermented cereal-based products commonly produced by tribal people of the Aravali hills region of India and the documentation of their unexplored probiotic attributes. The isolated strains were evaluated for probiotic attributes, such as bile salt and acid tolerance, lysozyme and phenol tolerance, antagonistic and antifungal activity, cell autoaggregation, cell-surface hydrophobicity, simulated gastric and pancreatic digestion, antioxidative potential, bile salt hydrolase activity, and H2O2 production. The safety of isolates was assessed by antibiotic sensitivity, hemolytic activity, DNase activity, and biogenic amine production assays, while technological properties, such as fermenting ability, amylolytic activity, and EPS production, were also evaluated. A total of 70 LAB isolates were screened initially, and 6 strains showed good potential as probiotic candidates in in vitro assessments. The efficient strains were identified using phenotyping and biochemical characterization, which results were further confirmed and recognized at the strain level using phylogenetic analysis and 16S rDNA sequencing. The current study has shown that Lactiplantibacillus plantarum KMUDR7 isolated from “Makka ki Raab” has excellent probiotic attributes and could be a potential probiotic for product preparation. However, other strains, Lactobacillus delbrueckii subsp. bulgaricus KMUDR1 and Lacticaseibacillus rhamnosus KMUDR9, showed good properties, while KMUDR14, -17, and -20 also have comparable probiotic attributes.
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18
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Afzaal M, Saeed F, Hanif H, Islam F, Hussain M, Shah YA, Ikram A. Nutritional composition and functional properties of fermented product (Koozh): A review. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Muhammad Afzaal
- Department of Food Sciences Government College University Faisalabad‐ Pakistan
| | - Farhan Saeed
- Department of Food Sciences Government College University Faisalabad‐ Pakistan
| | - Hafsa Hanif
- Department of Food Sciences Government College University Faisalabad‐ Pakistan
| | - Fakhar Islam
- Department of Food Sciences Government College University Faisalabad‐ Pakistan
| | - Muzzamal Hussain
- Department of Food Sciences Government College University Faisalabad‐ Pakistan
| | - Yasir Abbas Shah
- Department of Food Sciences Government College University Faisalabad‐ Pakistan
| | - Ali Ikram
- Department of Food Sciences Government College University Faisalabad‐ Pakistan
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Dindhoria K, Kumar S, Baliyan N, Raphel S, Halami PM, Kumar R. Bacillus licheniformis MCC 2514 genome sequencing and functional annotation for providing genetic evidence for probiotic gut adhesion properties and its applicability as a bio-preservative agent. Gene 2022; 840:146744. [PMID: 35863717 DOI: 10.1016/j.gene.2022.146744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 06/04/2022] [Accepted: 07/14/2022] [Indexed: 11/04/2022]
Abstract
Bacillus licheniformis is a well-known probiotic that can be found in a variety of foods. The strain Bacillus licheniformis MCC 2514 was previously characterized by our group for its bio-physiological capabilities establishing it as a promising probiotic, but information on the genetic evidence for its attributes was lacking. In the current study, whole genome analysis identified the underlying molecular determinants responsible for its probiotic potential. The circular genome of MCC 2514 was 4,230,480 bp with 46.2% GC content, 24 rRNA, and 83 tRNA genes. The pangenome analysis between B. licheniformis MCC 2514 and 12 other B. licheniformis strains revealed a pangenome of 6008 genes and core genome of 3775 genes. Genome mining revealed NRPS and bacteriocins producing gene clusters indicating its biocontrol properties. Several genes encoding carbohydrate degrading enzymes, which aid in proper food degradation in the intestine, were also observed. Stress tolerance, vitamin, and essential amino acids biosynthesis related genes were found, which are important characteristics of a probiotic strain. Additionally, vital genes responsible for gut adhesion and biofilm formation were observed in its genome. The bacterium has been shown to improve the shelf life of idli batter by preventing whey separation, CO2, and odour production while maintaining the pH of 3.96-4.29, especially at cold temperatures. It has significantly reduced coliform contamination at both room and low temperatures, demonstrating its bio-preservative ability, which is also corroborated by the presence of the NRPS and bacteriocin gene clusters in its genome. The present study helped to understand both, the ability of B. licheniformis MCC 2514 to adapt the intestinal gut environment and its probiotic functionality for food preservation.
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Affiliation(s)
- Kiran Dindhoria
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh 176061, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre, Ghaziabad, Uttar Pradesh 201 002, India
| | - Sanjeet Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh 176061, India
| | - Neha Baliyan
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh 176061, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre, Ghaziabad, Uttar Pradesh 201 002, India
| | - Steji Raphel
- Department of Microbiology & Fermentation Technology, CSIR- Central Food Technological Research Institute, Mysore 570 020, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre, Ghaziabad, Uttar Pradesh 201 002, India
| | - Prakash M Halami
- Department of Microbiology & Fermentation Technology, CSIR- Central Food Technological Research Institute, Mysore 570 020, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre, Ghaziabad, Uttar Pradesh 201 002, India.
| | - Rakshak Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh 176061, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre, Ghaziabad, Uttar Pradesh 201 002, India.
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20
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Amini E, Salimi F, Imanparast S, Mansour FN. Isolation and characterization of exopolysaccharide derived from Lacticaseibacillus paracasei AS20(1) with probiotic potential and evaluation of its antibacterial activity. Lett Appl Microbiol 2022; 75:967-981. [PMID: 35716384 DOI: 10.1111/lam.13771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/12/2022] [Accepted: 06/13/2022] [Indexed: 11/26/2022]
Abstract
This study was done to find exopolysaccharide (EPS)-producing lactic acid bacteria (LAB) against foodborne pathogens. Isolated LAB were screened to find the ones with the ability to produce antibacterial EPS against foodborne pathogens. Among tested EPSs, EPS of AS20(1) isolate showed inhibitory effects on the growth of Listeria monocytogenes (MIC = 0·935 mg ml-1 , MBC = 0·935 mg ml-1 ), Yersinia enterocolitica (MIC = 12·5 mg ml-1 , MBC = 50 mg ml-1 ) and Bacillus cereus (MIC = 6·25 mg ml-1 , MBC = 12·5 mg ml-1 ). According to 16S rRNA sequencing, AS20(1) showed the closest similarity to Lacticaseibacillus paracasei (100%). This antibacterial EPS showed negligible toxicity (4·4%-5·2%) against red blood cells. Lacticaseibacillus paracasei AS20(1) showed probiotic properties, including high acid resistance, hydrophobicity (47·5%), autoaggregation and coaggregation with foodborne pathogens. Also, L. paracasei AS20(1) showed no haemolysis activity and antibiotic resistance. Characterization of antibacterial EPS revealed that it is a heteropolysaccharide with various functional groups, amorphous structure, and smooth surface, sheet and compact structure, which can be suitable for food packaging. L. paracasei AS20(1) and its antimicrobial EPS can be used to make functional food.
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Affiliation(s)
- E Amini
- Faculty of Advanced Sciences and Technology, Department of Biotechnology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - F Salimi
- Department of Cellular and Molecular Biology, School of Biology, Damghan University, Damghan, Iran
| | - S Imanparast
- Department of Biotechnology, Iranian Research Organization for Science and Technology, Tehran, Iran
| | - F N Mansour
- Faculty of Advanced Sciences and Technology, Department of Biotechnology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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21
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Traditional Fermented Foods and Beverages from around the World and Their Health Benefits. Microorganisms 2022; 10:microorganisms10061151. [PMID: 35744669 PMCID: PMC9227559 DOI: 10.3390/microorganisms10061151] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 02/04/2023] Open
Abstract
Traditional fermented foods and beverages play an important role in a range of human diets, and several experimental studies have shown their potential positive effects on human health. Studies from different continents have revealed strong associations between the microorganisms present in certain fermented foods (e.g., agave fructans, kefir, yeats, kombucha, chungkookjang, cheeses and vegetables, among others) and weight maintenance, reductions in the risk of cardiovascular disease, antidiabetic and constipation benefits, improvement of glucose and lipids levels, stimulation of the immunological system, anticarcinogenic effects and, most importantly, reduced mortality. Accordingly, the aim of this review is to corroborate information reported in experimental studies that comprised interventions involving the consumption of traditional fermented foods or beverages and their association with human health. This work focuses on studies that used fermented food from 2014 to the present. In conclusion, traditional fermented foods or beverages could be important in the promotion of human health. Further studies are needed to understand the mechanisms involved in inflammatory, immune, chronic and gastrointestinal diseases and the roles of fermented traditional foods and beverages in terms of preventing or managing those diseases.
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22
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Adesulu-Dahunsi AT, Dahunsi SO, Ajayeoba TA. Co-occurrence of Lactobacillus Species During Fermentation of African Indigenous Foods: Impact on Food Safety and Shelf-Life Extension. Front Microbiol 2022; 13:684730. [PMID: 35464919 PMCID: PMC9021961 DOI: 10.3389/fmicb.2022.684730] [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: 03/23/2021] [Accepted: 01/31/2022] [Indexed: 11/25/2022] Open
Abstract
The benefits derived from fermented foods and beverages have placed great value on their acceptability worldwide. Food fermentation technologies have been employed for thousands of years and are considered essential processes for the production and preservation of foods, with the critical roles played by the autochthonous fermenting food-grade microorganisms in ensuring food security and safety, increased shelf life, and enhanced livelihoods of many people in Africa, particularly the marginalized and vulnerable groups. Many indigenous fermented foods and beverages of Africa are of plant origin. In this review, the predominance, fermentative activities, and biopreservative role of Lactobacillus spp. during production of indigenous foods and beverages, the potential health benefit of probiotics, and the impact of these food-grade microorganisms on food safety and prolonged shelf life are discussed. During production of African indigenous foods (with emphasis on cereals and cassava-based food products), fermentation occurs in succession; the first group of microorganisms to colonize the fermenting substrates are lactic acid bacteria (LAB) with the diversity and dominance of Lactobacillus spp. The Lactobacillus spp. multiply rapidly in the fermentation matrix, by taking up nutrients from the surrounding environments, and cause rapid acidification in the fermenting system via the production of organic compounds that convert fermentable sugars into mainly lactic acid. Production of these compounds in food systems inhibits spoilage microorganisms, which has a direct effect on food quality and safety. The knowledge of microbial interaction and succession during food fermentation will assist the food industry in producing functional foods and beverages with improved nutritional profiling and technological attributes, as Lactobacillus strains isolated during fermentation of several African indigenous foods have demonstrated desirable characteristics that make them safe for use as probiotic microorganisms and even as a starter culture in small- and large-scale/industrial food production processes.
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Affiliation(s)
| | - Samuel Olatunde Dahunsi
- Microbiology Programme, College of Agriculture, Engineering and Science, Bowen University, Iwo, Nigeria
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23
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A Review on Factors Influencing the Fermentation Process of Teff (Eragrostis teff) and Other Cereal-Based Ethiopian Injera. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2022; 2022:4419955. [PMID: 35368804 PMCID: PMC8970856 DOI: 10.1155/2022/4419955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/22/2022] [Accepted: 02/26/2022] [Indexed: 11/17/2022]
Abstract
Fermented foods and beverages are the product of the enzymaticcally transformed food components which are acived by different microorganisms. Fermented foods have grown in popularity in recent years because of their alleged health benefits. Biogenic amines, bioactive peptides, antinutrient reduction, and polyphenol conversion to physiologically active chemicals are all possible health benefits of fermentation process products. In Ethiopian-fermented foods, which are mostly processed using spontaneous fermentation process. Injera is one of the fermented food products consumed in all corners of the country which sourdough fermentation could be achieved using different LAB and yeast strains. Moreover, the kind and concentration of the substrate and the type of microbial flora, as well as temperature, air supply, and pH, all influence the fermentation process of injera. This review article gives an overview of factors influencing the fermentation process of teff ('Eragrostis tef.') and other cereal-based Ethiopian injera.
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African fermented foods: overview, emerging benefits, and novel approaches to microbiome profiling. NPJ Sci Food 2022; 6:15. [PMID: 35181677 PMCID: PMC8857253 DOI: 10.1038/s41538-022-00130-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 01/28/2022] [Indexed: 12/12/2022] Open
Abstract
Traditional fermented foods are of major importance with respect to the socio-economic growth, food security, nutrition, and health of African consumers. In several African countries, traditional fermentation processes provide a means of food preservation, improving the shelf life and adding to the nutrients in the food products. As with any fermented foods, the associated food microbiota is of great importance and interest. Recent studies on the microbiome of African fermented foods using high-throughput DNA sequencing techniques have revealed the presence of diverse microbial populations of fundamental, technological, and commercial interest that could be harnessed to further improve health, food safety, and quality. This review provides an overview of African fermented foods, their microbiota, and the health-promoting potential of these foods and microbes.
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Martín I, Rodríguez A, Delgado J, Córdoba JJ. Strategies for Biocontrol of Listeria monocytogenes Using Lactic Acid Bacteria and Their Metabolites in Ready-to-Eat Meat- and Dairy-Ripened Products. Foods 2022; 11:foods11040542. [PMID: 35206018 PMCID: PMC8871320 DOI: 10.3390/foods11040542] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 12/14/2022] Open
Abstract
Listeria monocytogenes is one of the most important foodborne pathogens. This microorganism is a serious concern in the ready-to-eat (RTE) meat and dairy-ripened products industries. The use of lactic acid bacteria (LAB)-producing anti-L. monocytogenes peptides (bacteriocins) and/or lactic acid and/or other antimicrobial system could be a promising tool to control this pathogen in RTE meat and dairy products. This review provides an up to date about the strategies of use of LAB and their metabolites in RTE meat products and dairy foods by selecting the most appropriate strains, by analysing the mechanism by which they inhibit L. monocytogenes and methods of effective application of LAB, and their metabolites in these kinds of products to control this pathogen throughout the processing and storage. The selection of LAB with anti-L. monocytogenes activity allows to dispose of effective strains in meat and dairy-ripened products, achieving reductions form 2–5 logarithmic cycles of this pathogen throughout the ripening process. The combination of selected LAB strains with antimicrobial compounds, such as acid/sodium lactate and other strategies, as the active packaging could be the next future innovation for eliminating risk of L. monocytogenes in meat and dairy-ripened products.
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Barathikannan K, Chelliah R, Elahi F, Tyagi A, Selvakumar V, Agastian P, Valan Arasu M, Oh DH. Anti-Obesity Efficacy of Pediococcus acidilactici MNL5 in Canorhabditis elegans Gut Model. Int J Mol Sci 2022; 23:ijms23031276. [PMID: 35163199 PMCID: PMC8835910 DOI: 10.3390/ijms23031276] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/14/2022] [Accepted: 01/20/2022] [Indexed: 12/13/2022] Open
Abstract
In the present study, thirty two lactic acid bacteria (LAB) were isolated from fermented Indian herbal medicine. In comparison to other strains, MNL5 had stronger bile salt hydrolase (BSH) and cholesterol-lowering properties. Furthermore, it can withstand the extreme conditions found in the GI tract, due to, e.g., pepsin, bile salts, pancreatin, and acids. Pediococcus acidilactici MNL5 was identified as a probiotic candidate after sequencing the 16S rRNA gene. The antibacterial activity of P. acidilactici MNL5 cell-free supernatants (CFS) against Escherichia coli, Staphylococcus aureus, Helicobacter pylori, Bacillus cereus, and Candida albicans was moderate. A Caenorhabditis elegans experiment was also performed to assess the effectiveness of P. acidilactici MNL5 supplementation to increase life span compared to E. coli supplementation (DAF-2 and LIU1 models) (p < 0.05). An immense reduction of the lipid droplets of C. elegans was identified through a fluorescent microscope. The drastic alteration of the expression of fat genes is related to obesity phenotypes. Hence, several paths are evolutionary for C. elegans; the results of our work highlight the nematode as an important model for obesity.
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Affiliation(s)
- Kaliyan Barathikannan
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (K.B.); (R.C.); (F.E.); (A.T.); (V.S.)
- Agricultural and Life Science Research Institute, Kangwon National University, Chuncheon 24341, Korea
| | - Ramachandran Chelliah
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (K.B.); (R.C.); (F.E.); (A.T.); (V.S.)
- Kangwon Institute of Inclusive Technology (KIIT), Kangwon National University, Chuncheon 24341, Korea
| | - Fazle Elahi
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (K.B.); (R.C.); (F.E.); (A.T.); (V.S.)
| | - Akanksha Tyagi
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (K.B.); (R.C.); (F.E.); (A.T.); (V.S.)
| | - Vijayalakshmi Selvakumar
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (K.B.); (R.C.); (F.E.); (A.T.); (V.S.)
| | - Paul Agastian
- Department of Plant Biology and Biotechnology, Loyola College, Chennai 600 034, India;
| | - Mariadhas Valan Arasu
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
| | - Deog-Hawn Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Science, Kangwon National University, Chuncheon 24341, Korea; (K.B.); (R.C.); (F.E.); (A.T.); (V.S.)
- Correspondence: ; Tel.: +82-33-250-6457
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Grujović MŽ, Mladenović KG, Semedo-Lemsaddek T, Laranjo M, Stefanović OD, Kocić-Tanackov SD. Advantages and disadvantages of non-starter lactic acid bacteria from traditional fermented foods: Potential use as starters or probiotics. Compr Rev Food Sci Food Saf 2022; 21:1537-1567. [PMID: 35029033 DOI: 10.1111/1541-4337.12897] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/30/2021] [Accepted: 12/02/2021] [Indexed: 12/12/2022]
Abstract
Traditional fermented foods are a significant source of starter and/or non-starter lactic acid bacteria (nsLAB). Moreover, these microorganisms are also known for their role as probiotics. The potential of nsLAB is huge; however, there are still challenges to be overcome with respect to characterization and application. In the present review, the most important steps that autochthonous lactic acid bacteria isolated from fermented foods need to overcome, to qualify as novel starter cultures, or as probiotics, in food technology and biotechnology, are considered. These different characterization steps include precise identification, detection of health-promoting properties, and safety evaluation. Each of these features is strain specific and needs to be accurately determined. This review highlights the advantages and disadvantages of nsLAB, isolated from traditional fermented foods, discussing safety aspects and sensory impact.
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Affiliation(s)
- Mirjana Ž Grujović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Kragujevac, Republic of Serbia.,Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Kragujevac, Republic of Serbia
| | - Katarina G Mladenović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Kragujevac, Republic of Serbia.,Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Kragujevac, Republic of Serbia
| | - Teresa Semedo-Lemsaddek
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, Lisboa, Portugal
| | - Marta Laranjo
- MED-Mediterranean Institute for Agriculture, Environment and Development, Instituto de Investigação e Formação Avançada, Universidade de Évora, Évora, Portugal
| | - Olgica D Stefanović
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Kragujevac, Republic of Serbia
| | - Sunčica D Kocić-Tanackov
- Department of Food Preservation Engineering, Faculty of Technology, University of Novi Sad, Novi Sad, Republic of Serbia
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Native and Engineered Probiotics: Promising Agents against Related Systemic and Intestinal Diseases. Int J Mol Sci 2022; 23:ijms23020594. [PMID: 35054790 PMCID: PMC8775704 DOI: 10.3390/ijms23020594] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/29/2021] [Accepted: 01/03/2022] [Indexed: 12/12/2022] Open
Abstract
Intestinal homeostasis is a dynamic balance involving the interaction between the host intestinal mucosa, immune barrier, intestinal microecology, nutrients, and metabolites. Once homeostasis is out of balance, it will increase the risk of intestinal diseases and is also closely associated with some systemic diseases. Probiotics (Escherichia coli Nissle 1917, Akkermansia muciniphila, Clostridium butyricum, lactic acid bacteria and Bifidobacterium spp.), maintaining the gut homeostasis through direct interaction with the intestine, can also exist as a specific agent to prevent, alleviate, or cure intestinal-related diseases. With genetic engineering technology advancing, probiotics can also show targeted therapeutic properties. The aims of this review are to summarize the roles of potential native and engineered probiotics in oncology, inflammatory bowel disease, and obesity, discussing the therapeutic applications of these probiotics.
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Tettevi EJ, Maina M, Simpong DL, Osei-Atweneboana MY, Ocloo A. A Review of African Medicinal Plants and Functional Foods for the Management of Alzheimer's Disease-related Phenotypes, Treatment of HSV-1 Infection and/or Improvement of Gut Microbiota. J Evid Based Integr Med 2022; 27:2515690X221114657. [PMID: 35866220 PMCID: PMC9310297 DOI: 10.1177/2515690x221114657] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Alzheimer's disease (AD), which is a progressive neurodegenerative disorder is the most common form of dementia globally. Several studies have suggested alteration in the gut microbiota and HSV-1 infection as contributing factors to the development of the disease. As at now, there are no AD attenuating agents and AD pharmacotherapy is focused on managing symptoms while plants used in ethnomedicine remain potential sources of drugs for the treatment of the condition. Here, we reviewed published databases for African ethnomedicinal plants and functional foods of African origin that are used in the management of AD-related phenotypes, treatment of herpes simplex virus −1 (HSV-1) and/or improvement of gut microbiota. A total of 101 unique plant species and 24 different types of traditionally prepared African functional foodstuff were identified. Of the 101 identified plant species, 50 species serve as functional foodstuffs. Twenty-three (23) of the ethnomedicinal plant families were successfully identified for the treatment and management of AD-related phenotypes and age-related dementia. Eighteen (18) African plant species from 15 families were also identified as potent remedies for HSV-1; while many African wild fruits (3 species), roots and tubers (7 species), leafy vegetables (14 species), and seaweeds (26 species) were functional foods for modifying AD-related phenotypes. It was concluded that African medicinal plants are potential sources of both AD attenuating agents and phytocompounds that may be used against HSV-1 infection and alteration of gut microbiota. Additionally, a number of African functional foods are important sources of prebiotics and probiotics.
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Affiliation(s)
- Edward Jenner Tettevi
- Department of Biochemistry, Cell and Molecular Biology, School of Biological Science, University of Ghana, Legon, Ghana
- West African Centre for Cell Biology of Infectious Pathogens, School of Biological Science, University of Ghana, Legon, Ghana
- Biomedical and Public Health Research Unit, Council for Scientific and Industrial Research—Water Research Institute, Accra, Ghana
| | - Mahmoud Maina
- Serpell Laboratory, Sussex Neuroscience, School of Life Sciences, University of Sussex, Sussex, UK
- Biomedical Science Research and Training Centre, College of Medical Sciences, Yobe State University, Damaturu, Nigeria
| | - David Larbi Simpong
- Department of Medical Laboratory Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Mike Y. Osei-Atweneboana
- Biomedical and Public Health Research Unit, Council for Scientific and Industrial Research—Water Research Institute, Accra, Ghana
- CSIR-College of Science and Technology, 2nd CSIR Close, Airport Residential Area, Behind Golden Tulip Hotel, Accra, Ghana
| | - Augustine Ocloo
- Department of Biochemistry, Cell and Molecular Biology, School of Biological Science, University of Ghana, Legon, Ghana
- Augustine Ocloo, Department of Biochemistry, Cell and Molecular Biology, School of Biological Science, University of Ghana, Volta Road, Legon LG54, Ghana.
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Potential Role of African Fermented Indigenous Vegetables in Maternal and Child Nutrition in Sub-Saharan Africa. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2021; 2021:3400329. [PMID: 34957295 PMCID: PMC8695012 DOI: 10.1155/2021/3400329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 11/18/2022]
Abstract
Hunger and malnutrition continue to affect Africa especially the vulnerable children and women in reproductive age. However, Africa has indigenous foods and associated traditional technologies that can contribute to alleviation of hunger, malnutrition, and communicable and noncommunicable diseases. The importance of African indigenous vegetables is undeniable, only that they are season-linked and considered as "food for poor" despite their high nutritional contents. The utilization of African indigenous vegetables (AIVs) is hindered by postharvest losses and antinutrients affecting the bioavailability of nutrients. In Africa, fermentation is among the oldest food processing technologies with long history of safe use. Apart from extending shelf life and improving food organoleptic properties, fermentation of African indigenous vegetables (AIVs) is known to improve food nutritional values such as proteins, minerals, vitamins, and other beneficial phytochemicals. It can also increase bioavailability of various vitamins, minerals, and phytochemicals and increase synthesis of vital blood pressure regulators thus protecting against cardiovascular diseases and cancer and further helping fight certain malnutrition deficiencies. Some lactic acid bacteria (LAB) involved in food fermentation are known to produce exopolysaccharides with cholesterol-lowering, immunomodulator, antioxidant, and anticancer properties. Fermented foods (vegetables) are superior in quality and safety since most microorganisms involved in fermentation are good starter cultures that can inhibit the growth of foodborne pathogens and detoxify harmful compounds in foods. Thus, fermented foods can boost growth and well-being in children and women due to their higher nutritional contents. Therefore, fermentation of AIVs can contribute to the attainment of food and nutrition security especially among women and children who rely on these vegetables as a staple source of micronutrients and income. These benefits have a positive impact on the implementation of the second sustainable development goals and African Union agenda 2063. This review is aimed at shedding light on the potential of African fermented indigenous vegetables in combating maternal and child malnutrition in Sub-Sahara Africa.
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Sun Y, Yang J, Sun T, Liu W. Evaluation of lactic acid bacterial communities in spontaneously-fermented dairy products from Tajikistan, Kyrgyzstan and Uzbekistan using culture-dependent and culture-independent methods. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.105281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Anwar Y, Mohammed Ali HSH, Rehman WU, Hemeg HA, Khan SA. Antibacterial Films of Alginate-CoNi-Coated Cellulose Paper Stabilized Co NPs for Dyes and Nitrophenol Degradation. Polymers (Basel) 2021; 13:4122. [PMID: 34883624 PMCID: PMC8659035 DOI: 10.3390/polym13234122] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 12/11/2022] Open
Abstract
The development of a solid substrate for the support and stabilization of zero-valent metal nanoparticles (NPs) is the heart of the catalyst system. In the current embodiment, we have prepared solid support comprise of alginate-coated cellulose filter paper (Alg/FP) for the synthesis and stabilization of Co nanoparticles (NPs) named as Alg/FP@Co NPs. Furthermore, Alginate polymer was blended with 1 and 2 weight percent of CoNi NPs to make Alg-CoNi1/FP and Alg-CoNi2/FP, respectively. All these stabilizing matrixes were used as dip-catalyst for the degradation of azo dyes and reduction of 4-nitrophenol (4NP). The effect of initial dye concentration, amount of NaBH4, and catalyst dosage was assessed for the degradation of Congo red (CR) dye by using Alg-CoNi2/FP@Co NPs. Results indicated that the highest kapp value (3.63 × 10-1 min-1) was exhibited by Alg-CoNi2/FP@Co NPs and lowest by Alg/FP@Co NPs against the discoloration of CR dye. Furthermore, it was concluded that Alg-CoNi2/FP@Co NPs exhibited strong catalyst activity against CR, and methyl orange dye (MO) degradation as well as 4NP reduction. Antibacterial activity of the prepared composites was also investigated and the highest l activity was shown by Alg-CoNi2/FP@Co NPs, which inhibit 2.5 cm zone of bacteria compared to other catalysts.
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Affiliation(s)
- Yasir Anwar
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;
- Princess Dr. Najla Bint Saud Al-Saud Center for Excellence Research in Biotechnology, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Hani S. H. Mohammed Ali
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;
- Princess Dr. Najla Bint Saud Al-Saud Center for Excellence Research in Biotechnology, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Waseeq Ur Rehman
- Department of Chemistry, Government Post Graduate College Nowshera, Nowshera 24100, Pakistan;
| | - Hassan A. Hemeg
- Department of Medical Laboratory Technology, College of Applied Medical Sciences, Taibah University, Almadina Almunawra 30001, Saudi Arabia;
| | - Shahid Ali Khan
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
- Department of Chemistry, University of Swabi, Swabi Anbar, Swabi 23561, Pakistan
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Applications of Lactic Acid Bacteria and Their Bacteriocins against Food Spoilage Microorganisms and Foodborne Pathogens. Molecules 2021; 26:molecules26227055. [PMID: 34834145 PMCID: PMC8622874 DOI: 10.3390/molecules26227055] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/10/2021] [Accepted: 11/18/2021] [Indexed: 12/19/2022] Open
Abstract
Lactic acid bacteria (LAB) are Gram-positive and catalase-negative microorganisms used to produce fermented foods. They appear morphologically as cocci or rods and they do not form spores. LAB used in food fermentation are from the Lactobacillus and Bifidobacterium genera and are useful in controlling spoilage and pathogenic microbes, due to the bacteriocins and acids that they produce. Consequently, LAB and their bacteriocins have emerged as viable alternatives to chemical food preservatives, curtesy of their qualified presumption of safety (QPS) status. There is growing interest regarding updated literature on the applications of LAB and their products in food safety, inhibition of the proliferation of food spoilage microbes and foodborne pathogens, and the mitigation of viral infections associated with food, as well as in the development of creative food packaging materials. Therefore, this review explores empirical studies, documenting applications and the extent to which LAB isolates and their bacteriocins have been used in the food industry against food spoilage microorganisms and foodborne pathogens including viruses; as well as to highlight the prospects of their numerous novel applications as components of hurdle technology to provide safe and quality food products.
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Leuconostoc mesenteroides Strains Isolated from Carrots Show Probiotic Features. Microorganisms 2021; 9:microorganisms9112290. [PMID: 34835416 PMCID: PMC8618143 DOI: 10.3390/microorganisms9112290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 11/17/2022] Open
Abstract
Lactic acid bacteria (LAB) share several beneficial effects on human organisms, such as bioactive metabolites’ release, pathogens’ competition and immune stimulation. This study aimed at determining the probiotic potential of autochthonous lactic acid bacteria isolated from carrots. In particular, the work reported the characterization at the species level of four LAB strains deriving from carrots harvested in Fucino highland, Abruzzo (Italy). Ribosomal 16S DNA analysis allowed identification of three strains belonging to Leuconostoc mesenteroides and a Weissella soli strain. In vitro and in vivo assays were performed to investigate the probiotic potential of the different isolates. Among them, L. mesenteroides C2 and L. mesenteroides C7 showed high survival percentages under in vitro simulated gastro-intestinal conditions, antibiotic susceptibly and the ability to inhibit in vitro growth against Salmonella enterica serovar Typhimurium, Listeria monocytogenes, Pseudomonas aeruginosa and Staphylococcus aureus pathogens. In parallel, the simple model Caenorhabditis elegans was used for in vivo screenings. L. mesenteroides C2 and L. mesenteroides C7 strains significantly induced pro-longevity effects, protection from pathogens’ infection and innate immunity stimulation. Overall, these results showed that some autochthonous LAB from vegetables such as carrots have functional features to be considered as novel probiotic candidates.
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35
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Anyogu A, Olukorede A, Anumudu C, Onyeaka H, Areo E, Adewale O, Odimba JN, Nwaiwu O. Microorganisms and food safety risks associated with indigenous fermented foods from Africa. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108227] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Barkhidarian B, Roldos L, Iskandar MM, Saedisomeolia A, Kubow S. Probiotic Supplementation and Micronutrient Status in Healthy Subjects: A Systematic Review of Clinical Trials. Nutrients 2021; 13:3001. [PMID: 34578878 PMCID: PMC8472411 DOI: 10.3390/nu13093001] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/21/2022] Open
Abstract
Micronutrient deficiencies are a worldwide public health concern. Emerging evidence supports the ability of probiotics to enhance micronutrient status, which could aid in the prevention of non-communicable disease-associated malnutrition. This systematic review evaluated evidence of the efficacy of probiotic supplementation to improve micronutrient status in healthy subjects. The authors searched for published English language peer-reviewed journal articles in PubMed, Scopus, Embase, and Google Scholar databases from inception to July 2020 using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The quality of eligible studies was assessed using the Revised Cochrane Risk-of-Bias tool (RoB)2 and Risk of Bias in Non-Randomized Studies of Interventions tool (ROBINS-I tool). Fourteen original studies out of 2790 met the inclusion criteria. The results indicated that, despite varying degrees of efficacy, the intake of certain probiotics in healthy subjects was associated with a positive impact on the status of certain micronutrients (vitamin B12, calcium, folate, iron and zinc). A limitation was that studies were widely heterogeneous in terms of participant age, probiotic strain, species, dosage, intervention duration, and form of administration. Additional clinical trials are warranted to determine the most effective strains of probiotics, doses and durations of interventions.
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Affiliation(s)
- Bahareh Barkhidarian
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Keshavarz Blvd., Tehran 1471613151, Iran;
| | - Lucas Roldos
- School of Human Nutrition, McGill University, 21111 Lakeshore, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada; (L.R.); (M.M.I.)
| | - Michèle M. Iskandar
- School of Human Nutrition, McGill University, 21111 Lakeshore, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada; (L.R.); (M.M.I.)
| | - Ahmad Saedisomeolia
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Keshavarz Blvd., Tehran 1471613151, Iran;
- School of Human Nutrition, McGill University, 21111 Lakeshore, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada; (L.R.); (M.M.I.)
| | - Stan Kubow
- School of Human Nutrition, McGill University, 21111 Lakeshore, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada; (L.R.); (M.M.I.)
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Metagenomic Analysis of Bacterial Diversity in Traditional Fermented Foods Reveals Food-Specific Dominance of Specific Bacterial Taxa. FERMENTATION-BASEL 2021. [DOI: 10.3390/fermentation7030167] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Traditional fermented foods have been recognized by various communities to be good for health since ancient times. There is a provincial legacy of traditional fermented foods among the ethnic population of North-East India. Fermented bamboo shoots (local name: Tuaither), soybeans (Bekang), and pork fat (Sa-um) are famous in the Mizoram state and represent a primary portion of the daily diet. These foods are prepared using methods based on cultural traditions inherited from previous generations, and prepared using a relatively uncontrolled fermentation process. Analysis of the bacterial diversity in these foods can provide important information regarding the flavor and texture of the final products of fermentation. Unfortunately, studies on the microbial composition and health benefits of such traditional fermented foods have rarely been documented. Therefore, the present study aims to highlight this bacterial diversity, along with the proximate composition of different traditional fermented foods (Tuaither, Bekang and Sa-um) primarily consumed in Mizoram state, India. Samples were collected on three different days of fermentation (3rd, 5th and 7th day), and bacterial diversity analysis was performed using the V3-V4 variable region of 16S rRNA gene with Illumina sequencing. Results revealed differences in the bacterial composition of dominant group members among all of the three food types. Firmicutes (82.72–94.00%), followed by Proteobacteria (4.67–15.01%), were found to dominate to varying degrees in all three of the fermented foods. However, at genus level high variation was observed in bacterial composition among these three different types of fermented foods. Lactobacillus (91.64–77.16%), Staphylococcus (52.00–17.90%), and Clostridium (72.48–55.40%) exhibited the highest relative abundances in the Tuaither, Bekang and Sa-um foods, respectively, in descending order from the 3rd to 7th day of fermentation. A few of the bacterial genera such as Lactobacilli were positively correlated with fermented bamboo shoot samples, and Staphylococcus was positively correlated with protein, carbohydrate and crude fiber content in soybean samples. In general, Tuaither, Bekang and Sa-um exhibited distinct differences in bacterial composition. This variation may be due to differences in the raw materials and/or methods used in the preparation of the different fermented food products. This is the first study to describe the bacterial composition of these traditional fermented foods using high-throughput sequencing techniques, and could help to drive research attention to comprehensive studies on improving understanding of the role of microbial communities in the preparation of traditional foods and their health benefits.
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Abstract
Maize, together with its fermented products, is fundamental for human nutrition and animal feed globally. Non-alcoholic fermentation of maize using lactic acid bacteria (LAB) is one of the food preservation methods that has been utilised throughout the centuries and has played a vital role in the manufacturing of many fermented beverages consumed these days. However, the coincidence of LAB and yeasts during the spontaneous fermentation of maize-based products is inevitable. The involvement of other microorganisms such as moulds, Bacillus species and acetic acid bacteria in the fermentation of maize is important to the characteristics of the final product. Fermented beverages are affordable, have been produced traditionally and are known for their organoleptic properties, as well as their health-promoting compounds. The consumption of non-alcoholic beverages has the prospect of reducing the detrimental health and economic effects of a poor diet. Different fermented maize-based gruels and beverages such as ogi, mawe, banku and kenkey in West Africa, togwa in East Africa, as well as mahewu in South Africa have been documented. The physical and biochemical properties of most of these maize-based fermented products have been investigated and modified by various researchers. Attempts to enhance the nutritional properties of these products rely on supplementation with legumes to supply the insufficient amino acids. The production technology of these products has evolved from traditional to industrial production in recent years.
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Morris K, Puoane T. Increasing resilience to the SARS-CoV-2 virus and other health threats in food-insecure communities. SOUTH AFRICAN JOURNAL OF CLINICAL NUTRITION 2021. [DOI: 10.1080/16070658.2021.1951951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Karen Morris
- Naturopath, Private Practice, Cape Town, South Africa
| | - Thandi Puoane
- School of Public Health, University of the Western Cape, Cape Town, South Africa
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An application of selected enterococci using Bifidobacterium animalis subsp. lactis BB-12 in set-style probiotic yoghurt-like products. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101096] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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41
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Lavefve L, Cureau N, Rodhouse L, Marasini D, Walker LM, Ashley D, Lee S, Gadonna‐Widehem P, Anton PM, Carbonero F. Microbiota profiles and dynamics in fermented plant‐based products and preliminary assessment of their in vitro gut microbiota modulation. FOOD FRONTIERS 2021. [DOI: 10.1002/fft2.75] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Laura Lavefve
- Department of Food Science University of Arkansas Fayetteville AR USA
| | - Natacha Cureau
- Department of Food Science University of Arkansas Fayetteville AR USA
| | - Lindsey Rodhouse
- Department of Food Science University of Arkansas Fayetteville AR USA
| | - Daya Marasini
- Department of Food Science University of Arkansas Fayetteville AR USA
| | - Laura M. Walker
- Department of Biology Washington University in Saint‐Louis St Louis MO USA
| | - Danielle Ashley
- Department of Food Science University of Arkansas Fayetteville AR USA
| | - Sun‐Ok Lee
- Department of Food Science University of Arkansas Fayetteville AR USA
| | - Pascale Gadonna‐Widehem
- Transformations & Agroresources, ULR7519 Institut Polytechnique UniLaSalle, Universite d’Artois Beauvais France
| | - Pauline M. Anton
- Transformations & Agroresources, ULR7519 Institut Polytechnique UniLaSalle, Universite d’Artois Beauvais France
| | - Franck Carbonero
- Department of Food Science University of Arkansas Fayetteville AR USA
- Department of Nutrition and Exercise Physiology Elson Floyd School of Medicine Washington State University‐Spokane Spokane WA USA
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Metabarcoding analysis and fermentation performance of the dominant fungal microbiota associated with the Algerian traditional date product "Btana". Int Microbiol 2021; 24:351-361. [PMID: 33709234 DOI: 10.1007/s10123-021-00166-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 02/10/2021] [Accepted: 02/16/2021] [Indexed: 10/21/2022]
Abstract
The study highlights the fungal diversity of the traditional Algerian date's product "Btana" prepared with direct Btana method (DBM) and undirect Btana method (UBM). Btana fungal populations were analyzed through 28S metabarcoding. Data treatment resulted in 122,997 reads representing three Phyla in which 76% reads (46 OTUs) belong to Ascomycota phylum. Zygosaccharomyces rouxii was the most prevailed species accounting for 35.40% of the total population. Similarity percentage analysis revealed a low level of resemblance in species in each of the two Btana types (DBM: 17.26%, UBM: 16.87). According to HPLC analysis, lactate was detected in nine samples within a range of 0.87-23.06 g/100g. Culture plating and subsequent D1/D2 domain of 28s DNA analysis showed the prevalence of Z. rouxii. Fermentation of non-renewed date medium revealed a high ethanol production (21.31 ± 2.89 g/100g) by Lachancea thermotolerans and 5.87 g/100g of lactates by Kluyveromyces delphensis. Enzymatic assay revealed a high esterase (C4) and naphtol-AS-BI-phosphohydrolase activity by L. thermotolerans, K. delphensis, and Pichia subpelliculosa, while a high level of α-fucosidase was recorded for L. thermotolerans and P. subpelliculosa. The current results demonstrated that the traditional date product Btana is a promising source for yeasts useful in production of value-added products like bioethanol and lactic acid using low-income date cultivars.
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Chibuzor-Onyema IE, Ezeokoli OT, Sulyok M, Notununu I, Petchkongkaew A, Elliott CT, Adeleke RA, Krska R, Ezekiel CN. Metataxonomic analysis of bacterial communities and mycotoxin reduction during processing of three millet varieties into ogi, a fermented cereal beverage. Food Res Int 2021; 143:110241. [PMID: 33992353 DOI: 10.1016/j.foodres.2021.110241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 02/08/2021] [Accepted: 02/14/2021] [Indexed: 12/16/2022]
Abstract
Ogi is a fermented cereal beverage, made primarily from maize (Zea mays) and rarely from millets. Unlike maize-based ogi, little is known about the bacterial community and mycotoxin profile during the production of millet-based ogi. Therefore, the bacterial community dynamics and mycotoxin reduction during ogi processing from three millet varieties were investigated using next-generation sequencing of the 16S rRNA gene and liquid chromatography-tandem mass spectrometry, respectively. A total of 1163 amplicon sequence variants (ASVs) were obtained, with ASV diversity across time intervals influenced by processing stage and millet variety. ASV distribution among samples suggested that the souring stage was more influenced by millet variety than the steeping stage, and that souring may be crucial for the quality attributes of the ogi. Furthermore, bacterial community structure during steeping and souring was significantly differentiated (PERMANOVA, P < 0.05) between varieties, with close associations observed for closely-related millet varieties. Taxonomically, Firmicutes, followed by Actinobacteria, Bacteroidetes, Cyanobacteria and Proteobacteria phyla were relatively abundant (>1%). Lactic acid bacteria, such as Burkholderia-Caballeronia-Paraburkholderia, Lactobacillus, Lactococcus and Pediococcus, dominated most fermentation stages, suggesting their roles as key fermentative and functional bacteria in relation to mycotoxin reduction. About 52-100%, 58-100% and 100% reductions in mycotoxin (aflatoxins, beauvericin, citrinin, moniliformin, sterigmatocystin and zearalenone) concentrations were recorded after processing of white fonio, brown fonio and finger millet, respectively, into ogi. This study provides new knowledge of the dominant bacterial genera vital for the improvement of millet-based ogi through starter culture development and as well, elucidates the role of processing in reducing mycotoxins in millet ogi.
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Affiliation(s)
| | - Obinna T Ezeokoli
- Pathogenic Yeast Research Group, Department of Microbial, Biochemical and Food Biotechnology, University of the Free State, Bloemfontein, South Africa
| | - Michael Sulyok
- Institute of Bioanalytics and Agro-Metabolomics, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences Vienna (BOKU), Konrad Lorenz-Str. 20, A-3430 Tulln, Austria
| | - Iviwe Notununu
- Microbiology and Environmental Biotechnology Research Group, Agricultural Research Council-Institute for Soil, Climate and Water, Pretoria, South Africa; Department of Biochemistry, Genetics and Microbiology, University of Pretoria, South Africa
| | - Awanwee Petchkongkaew
- School of Food Science and Technology, Faculty of Science and Technology, Thammasat University (Rangsit Campus), Pathumthani, Thailand; Institute for Global Food Security, School of Biological Sciences, Queens University Belfast, Belfast BT9 5BN, Northern Ireland, United Kingdom
| | - Christopher T Elliott
- Institute for Global Food Security, School of Biological Sciences, Queens University Belfast, Belfast BT9 5BN, Northern Ireland, United Kingdom
| | - Rasheed A Adeleke
- Unit for Environmental Science and Management, North-West University (Potchefstroom Campus), Potchefstroom, South Africa
| | - Rudolf Krska
- Institute of Bioanalytics and Agro-Metabolomics, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences Vienna (BOKU), Konrad Lorenz-Str. 20, A-3430 Tulln, Austria; Institute for Global Food Security, School of Biological Sciences, Queens University Belfast, Belfast BT9 5BN, Northern Ireland, United Kingdom
| | - Chibundu N Ezekiel
- Department of Microbiology, Babcock University, Ilishan Remo, Ogun State, Nigeria; Institute of Bioanalytics and Agro-Metabolomics, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences Vienna (BOKU), Konrad Lorenz-Str. 20, A-3430 Tulln, Austria.
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Ethiopian Indigenous Traditional Fermented Beverage: The Role of the Microorganisms toward Nutritional and Safety Value of Fermented Beverage. Int J Microbiol 2021; 2020:8891259. [PMID: 33488731 PMCID: PMC7803167 DOI: 10.1155/2020/8891259] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/08/2020] [Accepted: 11/26/2020] [Indexed: 11/17/2022] Open
Abstract
Ethiopia is one of the countries where a wide variety of traditional fermented beverages are produced and consumed for a long time. Traditional fermented beverages are those which are indigenous to a particular area and have been developed by the people using age-old techniques from locally available raw materials. Some of Ethiopian indigenous traditional fermented beverages products are Cheka, Keribo, Borde, Areki, Tella, Shamita, Booka, and Korefe, in which fermentation is natural and involves mixed cultures of microbes. The most common fermenting microorganisms, lactic acid bacteria and yeast, are used as probiotics, for improvement of organoleptic properties, for provision of nutritional quality and biopreservative. The nature of beverage preparation in Ethiopia, traditional household processing, associated microorganisms with a fermented beverage, and their contribution toward improving the nutritional value and safety, the extent, and its prospect in supporting the livelihood of people in Ethiopia need concern. Therefore, in the future, to improve its quality, it is important to standardize the methods of beverage fermentation processes.
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Ngolong Ngea GL, Yang Q, Tchabo W, Castoria R, Zhang X, Zhang H. Leuconostoc mesenteroides subsp. mesenteroides LB7 isolated from apple surface inhibits P. expansum in vitro and reduces patulin in fruit juices. Int J Food Microbiol 2020; 339:109025. [PMID: 33360297 DOI: 10.1016/j.ijfoodmicro.2020.109025] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 12/04/2020] [Accepted: 12/10/2020] [Indexed: 01/27/2023]
Abstract
This research aimed to isolate lactic acid bacteria (LAB) from apple surface and to reveal their potential to inhibit the growth of Penicillium expansum. Besides, their ability to detoxify fruit juices contaminated with mycotoxin patulin, produced by this fungi, was also studied. The isolation was performed on a typical MRS medium under ambient conditions. The molecular identification of the strains was done by sequencing the 16S rRNA genes. Antifungal activities of the isolated strains have been evaluated using dual agar plate assay protocol. A total of 11 LAB isolates was obtained from apples. These isolates showed phenotypic traits consistent with the genera of LAB. They have been identified as Leuconostoc mesenteroides subsp. mesenteroides and Weissella paramesenteroides. Among them, the strain LB7 showed exciting inhibitory activities in vitro against P. expansum. LB7 also successfully detoxified homemade and commercial fruit juices contaminated with patulin. Further research will bring the application prospects of these LABs in food biocontrol and biopreservation strategies.
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Affiliation(s)
- Guillaume Legrand Ngolong Ngea
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Institute of Fisheries Sciences, University of Douala, Douala 24157, Cameroon
| | - Qiya Yang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - William Tchabo
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China; Department of Food Science and Nutrition, National Advanced School of Agro-Industrial Sciences (ENSAI), University of Ngaoundere, PO Box 455, Ngaoundere, Cameroon
| | - Raffaello Castoria
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Department of Agricultural, Environmental and Food Sciences, Università degli Studi del Molise, via Francesco de Sanctis snc, 86100 Campobasso, Italy
| | - Xiaoyun Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China.
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Viability of probiotic strain Lactobacillus rhamnosus and its impact on sensory properties of cheesecake during storage at −20 °C and 4 °C. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109967] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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47
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Processing, Characteristics and Composition of Umqombothi (a South African Traditional Beer). Processes (Basel) 2020. [DOI: 10.3390/pr8111451] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Traditional beers, such as palm wine, kombucha and others, are notable beverages consumed all over the globe. Such beverages historically contribute to food security on a global scale. Umqombothi is a South African traditional beer nutritionally packed with minerals, amino acids, B-group vitamins and much-needed calories. As a result, the production and consumption of this traditional beverage has been an integral part of South African’s social, economic and cultural prosperity. Unfortunately, difficulties in bioprocessing operations have limited its availability to household and small-scale production. It is at these micro-production scales that poor hygiene practices and the use of hazardous additives and contaminated raw materials continue to increase, posing serious health risks to the unassuming consumer. This study provides an overview of the processing steps and underlying techniques involved in the production of umqombothi, while highlighting the challenges as well as future developments needed to further improve its quality and global competitiveness with other alcoholic products.
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Fredua-Agyeman M, Ofosu-Boateng M, Offei AO, Mehta M, Gaisford S, Limayem A. Study on the functional properties of potential indigenous probiotics isolated from human samples in West Africa. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Effectiveness of Bacteriocin-Producing Lactic Acid Bacteria and Bifidobacterium Isolated from Honeycombs against Spoilage Microorganisms and Pathogens Isolated from Fruits and Vegetables. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10207309] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Screening natural products for bacteriocin-producing bacteria may be the equilibrium point between the consumer demand for mild processing and the industry’s need for hazard control. Raw unprocessed honeycombs filled with oregano honey from the alpine mountainous territory of Epirus, Greece were screened for bacteriocinogenic lactic acid bacteria and Bifidobacterium spp., with inhibitory action towards some pathogens and spoilage microorganisms isolated from fresh fruits and vegetables (number and type of strains: three E. coli, two L. monocytogenes, two Salmonella spp., two B.cereus, two Erwinia spp., one Xanthomonas spp., L. innocua (ATCC 33090TM) and E. coli 0157:H7 (ATCC 69373)). Among the 101 collected isolates (73 Lactobacillus, 8 Lactococcus, 8 Leuconostoc and 12 Bifidobacterium species) from the oregano honeycombs (an original finding since there are no other reports on the microbial biodiversity of the flora of the oregano honey), 49 strains of lactic acid bacteria (LAB) and Bifidobacterium spp. were selected and tested for their bacteriocin-producing capacity (34 Lactobacillus, 6 Lactococcus, 5 Leuconostoc and 4 Bifidobacterium). The antibacterial activity exerted by the tested LAB and Bifidobacterium strains was not of the same potency. Our results suggest that the main molecules involved in the antimicrobial activity are probably bacteriocin-like substances (a conclusion based on reduced antibacterial activity after the proteolytic treatment of the cell-free supernatant of the cultures) and this antimicrobial activity is specific for the producing strains as well as for the target strains. The spoilage bacteria as well as the reference microorganisms showed increased resistance to the bacteriocin-like substances in comparison to the wild-type pathogens.
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Isolation of Bile Salt Hydrolase and Uricase Producing Lactobacillus brevis SF121 from Pak Sian Dong (Fermented Spider Plant) for using as Probiotics. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2020. [DOI: 10.22207/jpam.14.3.10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The interesting application of bile salt hydrolase enzyme is reduction of cholesterol in serum and amelioration lipid profile. While uricase enzyme can be applied to convert insoluble uric acid to be soluble form and excrete from the body. Probiotics are living organisms with generally know that they can provide beneficial effects to their host. Several reports show that probiotic bacteria with bile salt hydrolase and uricase can improve hypercholesterolemia and hyperuricemia patient. The novel isolate of Lactobacillus from Pak Sian Dong in this study is identified as L. brevis SF121 and probably use as probiotic bacteria in the future. However, this isolate still need further experiments to investigate and improve properties of probiotics. Moreover, this finding suggests that Pak Sian Dong or fermented spider plant can be designated as a good source for probiotic screening and also defines as health-promoting diet.
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