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Mockus E, Starkute V, Klupsaite D, Bartkevics V, Borisova A, Sarunaite L, Arlauskiene A, Rocha JM, Bartkiene E. Changes in Chemical Composition of Lentils, Including Gamma-Aminobutyric Acid and Volatile Compound Formation during Submerged and Solid-State Fermentation with Pediococcus acidilactici. Foods 2024; 13:1249. [PMID: 38672920 PMCID: PMC11049090 DOI: 10.3390/foods13081249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/13/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
The aim of this study was to evaluate and compare the characteristics of non-treated and fermented [via submerged (SMF) and solid-state (SSF) fermentation using Pediococcus acidilactici] lentils (Lens culinaris) grown either in pure stands (L) or relay intercropped with winter rye (LR). It was observed that the lentils were suitable substrate for lacto-fermentation. Most of the free amino acid concentrations increased in lentils after both fermentations. The highest concentration of γ-aminobutyric acid was found in SSF LR samples. However, fermentation led to higher biogenic amines (BA) content in lentils. The most abundant fatty acid in lentils was C18:2. SSF lentils showed more complex volatile compound (VC) profiles (with between nine and seventeen new VCs formed), whereas, in SMF samples, between two and five newly VCs were formed. When comparing lentil grown types, L contained significantly higher concentrations of Na, K, Ca, P, Mn, and Se, while LR contained significantly higher concentrations of Fe and Ni. To sum up, fermentation with lactic acid bacteria (LAB) contributed to the improved biological value of lentils; still, the quantity of BA needs to be considered. Further investigations into the P. acidilactici metabolism of certain compounds (such as phenolic and antinutritional compounds) in lentils during fermentation ought to be carried out.
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Affiliation(s)
- Ernestas Mockus
- Institute of Animal Rearing Technologies, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania; (E.M.); (V.S.); (D.K.)
| | - Vytaute Starkute
- Institute of Animal Rearing Technologies, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania; (E.M.); (V.S.); (D.K.)
- Department of Food Safety and Quality, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania
| | - Dovile Klupsaite
- Institute of Animal Rearing Technologies, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania; (E.M.); (V.S.); (D.K.)
| | - Vadims Bartkevics
- Institute of Food Safety, Animal Health and Environment BIOR, Lejupes iela 3, LV-1076 Riga, Latvia; (V.B.); (A.B.)
| | - Anastasija Borisova
- Institute of Food Safety, Animal Health and Environment BIOR, Lejupes iela 3, LV-1076 Riga, Latvia; (V.B.); (A.B.)
| | - Lina Sarunaite
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture Instituto 1, Akademija, LT-58344 Kėdainiai, Lithuania; (L.S.); (A.A.)
| | - Ausra Arlauskiene
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture Instituto 1, Akademija, LT-58344 Kėdainiai, Lithuania; (L.S.); (A.A.)
| | - João Miguel Rocha
- CBQF—Centro de Biotecnologia e Química Fina—Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal;
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Elena Bartkiene
- Institute of Animal Rearing Technologies, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania; (E.M.); (V.S.); (D.K.)
- Department of Food Safety and Quality, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania
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Nguyen PT, Nguyen-Thi TU, Nguyen HT, Pham MN, Nguyen TT. Halophilic lactic acid bacteria - Play a vital role in the fermented food industry. Folia Microbiol (Praha) 2024; 69:305-321. [PMID: 38372951 DOI: 10.1007/s12223-024-01149-0] [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: 10/30/2023] [Accepted: 02/06/2024] [Indexed: 02/20/2024]
Abstract
Halophilic lactic acid bacteria have been widely found in various high-salt fermented foods. The distribution of these species in salt-fermented foods contributes significantly to the development of the product's flavor. Besides, these bacteria also have the ability to biosynthesize bioactive components which potentially apply to different areas. In this review, insights into the metabolic properties, salt stress responses, and potential applications of these bacteria have been have been elucidated. The purpose of this review highlights the important role of halophilic lactic acid bacteria in improving the quality and safety of salt-fermented products and explores the potential application of these bacteria.
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Affiliation(s)
- Phu-Tho Nguyen
- An Giang University, An Giang, Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam
| | | | - Huu-Thanh Nguyen
- An Giang University, An Giang, Vietnam
- Vietnam National University Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam
| | - Minh-Nhut Pham
- Hutech Institute of Applied Science, HUTECH University, Ho Chi Minh City, Vietnam
| | - Thi-Tho Nguyen
- Hutech Institute of Applied Science, HUTECH University, Ho Chi Minh City, Vietnam.
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Kuley F, Rathod NB, Kuley E, Yilmaz MT, Ozogul F. Inhibition of Food-Borne Pathogen Growth and Biogenic Amine Synthesis by Spice Extracts. Foods 2024; 13:364. [PMID: 38338500 PMCID: PMC10855824 DOI: 10.3390/foods13030364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 01/19/2024] [Accepted: 01/21/2024] [Indexed: 02/12/2024] Open
Abstract
Food-borne pathogens and their toxins cause significant health problems in humans. Formation of biogenic amines (BAs) produced by microbial decarboxylation of amino acids in food is undesirable because it can induce toxic effects in consumers. Therefore, it is crucial to investigate the effects of natural additives with high bioactivity like spice extracts to inhibit the growth of these bacteria and the formation of BAs in food. In the present study, the antibacterial effects of diethyl ether spice (sumac, cumin, black pepper, and red pepper) extracts at doses of 1% (w/v) on Gram-positive (Staphylococcus aureus and Enterococcus faecalis) and Gram-negative (Klebsiella pneumoniae, Pseudomonas aeruginosa, Campylobacter jejuni, Aeromonas hydrophila, Salmonella Paratyphi A, and Yersinia enterocolitica) food-borne pathogen bacterial strains (FBP) were established. In addition, the accumulation of ammonia (AMN), trimethylamine (TMA), and biogenic amines (BAs) in tyrosine decarboxylase broth (TDB) was investigated by using high performance liquid chromatography (HPLC). Sumac extract exhibited the highest antibacterial potential against all FBPs, followed by cumin and peppers. AMN (570.71 mg/L) and TMA (53.66 mg/L) production were strongly inhibited by sumac extract in the levels of 55.10 mg/L for Y. enterocolitica and 2.76 mg/L for A. hydrophila, respectively. With the exception of S. aureus, black pepper dramatically reduced the synthesis of putrescine, serotonin, dopamine, and agmatine by FBP especially for Gram-negative ones. Furthermore, sumac extracts inhibited histamine and tyramine production by the majority of FBP. This research suggests the application of sumac extracts as natural preservatives for inhibiting the growth of FBPs and limiting the production of AMN, TMA, and BAs.
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Affiliation(s)
- Ferhat Kuley
- Department of Seafood Processing Technology, Faculty of Fisheries, University of Cukurova, Balcali, 01330 Adana, Turkey (E.K.)
| | - Nikheel Bhojraj Rathod
- Department of Post Harvest Management of Meat, Poultry and Fish, PG Institute of Post Harvest Technology and Management, Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Killa-Roha 402116, Maharashtra State, India;
| | - Esmeray Kuley
- Department of Seafood Processing Technology, Faculty of Fisheries, University of Cukurova, Balcali, 01330 Adana, Turkey (E.K.)
| | - Mustafa Tahsin Yilmaz
- Department of Industrial Engineering, Faculty of Engineering, King Abdulaziz University, 21589 Jeddah, Turkey
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Faculty of Fisheries, University of Cukurova, Balcali, 01330 Adana, Turkey (E.K.)
- Biotechnology Research and Application Center, Cukurova University, 01330 Adana, Turkey
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Houicher A, Kuley E, Bensid A, Yazgan H, Özogul F. In vitro study of biogenic amine production and gastrointestinal stress tolerance by some enterococci strains. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:500-507. [PMID: 37647551 DOI: 10.1002/jsfa.12954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 08/24/2023] [Accepted: 08/31/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND Owing to the toxic effects of enterococci, their biogenic amine production is a negative aspect of safe strain selection and unfavourable activity in food. Additionally, the ability to tolerate acid and bile are two important traits for the selection of probiotic strains since they show the probiotic bacteria's capacity to survive throughout gastrointestinal transit. In the present work, six enterococci strains belonging to Enterococcus gallinarum and Enterococcus hirae were subjected to in vitro evaluation of their ability to produce biogenic amines and to tolerate gastrointestinal stress in order to investigate their possibility for future intended use as probiotics. RESULTS All enterococci isolates possessed good viability at low pH (pH 4) and in the presence of bile salts (0.3%), indicating their ability to survive passage through the gastrointestinal tract. In addition, selected strains had a high ability to produce tyramine in tyrosine decarboxylase broth, while medium levels of histamine were detected (below 74 mg L-1 ) in experimental media in vitro. Other biogenic amines were also formed at various levels by most of the enterococci strains. CONCLUSION All enterococci strains, with the exception of E. gallinarum DM 29, are powerful tyramine producers, and their capacity to create histamine is inferior to that of tyramine. However, more investigations are needed before considering their use as bio-preservatives or starter cultures in foods. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Abderrahmane Houicher
- Department of Agricultural Sciences, Faculty of Science, Amar Telidji University, Laghouat, Algeria
| | - Esmeray Kuley
- Department of Fishing and Fish Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
| | - Abdelkader Bensid
- Department of Agronomy, Faculty of Natural Sciences and Life, Ziane Achour University, Djelfa, Algeria
| | - Hatice Yazgan
- Department of Food Hygiene and Technology, Faculty of Ceyhan Veterinary Medicine, Cukurova University, Adana, Turkey
| | - Fatih Özogul
- Department of Fishing and Fish Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
- Biotechnology Research and Application Center, Cukurova University, Adana, Turkey
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Bazukyan I, Georgieva-Miteva D, Velikova T, Dimov SG. In Silico Probiogenomic Characterization of Lactobacillus delbrueckii subsp. lactis A4 Strain Isolated from an Armenian Honeybee Gut. INSECTS 2023; 14:540. [PMID: 37367356 DOI: 10.3390/insects14060540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/28/2023]
Abstract
A Lactobacillus delbrueckii ssp. lactis strain named A4, isolated from the gut of an Armenian honeybee, was subjected to a probiogenomic characterization because of its unusual origin. A whole-genome sequencing was performed, and the bioinformatic analysis of its genome revealed a reduction in the genome size and the number of the genes-a process typical for the adaptation to endosymbiotic conditions. Further analysis of the genome revealed that Lactobacillus delbrueckii ssp. lactis strain named A4 could play the role of a probiotic endosymbiont because of the presence of intact genetic sequences determining antioxidant properties, exopolysaccharides synthesis, adhesion properties, and biofilm formation, as well as an antagonistic activity against some pathogens which is not due to pH or bacteriocins production. Additionally, the genomic analysis revealed significant potential for stress tolerance, such as extreme pH, osmotic stress, and high temperature. To our knowledge, this is the first report of a potentially endosymbiotic Lactobacillus delbrueckii ssp. lactis strain adapted to and playing beneficial roles for its host.
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Affiliation(s)
- Inga Bazukyan
- Faculty of Biology, Yerevan State University, Yerevan 0025, Armenia
| | | | - Tsvetelina Velikova
- Medical Faculty, Sofia University St. Kliment Ohridski, 1 Kozyak Str., 1407 Sofia, Bulgaria
| | - Svetoslav G Dimov
- Faculty of Biology, Sofia University St. Kliment Ohridski, 8 Dragan Tzankov Str., 1164 Sofia, Bulgaria
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Lin Y, Lu J, Yang Z, Wang T, Li H, Sha S, Liu Z, Zhao Y, Wang L. Comparative genomics reveals key molecular targets for mutant Pediococcus pentosaceus C23221 producing pediocin. Int J Biol Macromol 2023:125006. [PMID: 37224904 DOI: 10.1016/j.ijbiomac.2023.125006] [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: 04/23/2023] [Accepted: 05/19/2023] [Indexed: 05/26/2023]
Abstract
Listeria monocytogenes is a common microorganism that causes food spoilage. Pediocins are some biologically active peptides or proteins encoded by ribosomes, which have a strong antimicrobial activity against L. monocytogenes. In this study, the antimicrobial activity of previously isolated P. pentosaceus C-2-1 was enhanced by ultraviolet (UV) mutagenesis. A positive mutant strain P. pentosaceus C23221 was obtained after 8 rounds of UV irradiation with increased antimicrobial activity of 1448 IU/mL, which was 8.47 folds higher than that of wild-type C-2-1. The genome of strain C23221 and wild-type C-2-1 was compared with identify the key genes for higher activity. The genome of the mutant strain C23221 consists of a chromosome of 1,742,268 bp, with 2052 protein-coding genes, 4 rRNA operons, and 47 tRNA genes, which is 79,769 bp less than the original strain. Compared with strain C-2-1, a total of 19 deduced proteins involved in 47 genes are unique to C23221 analyzed by GO database; the specific ped gene related to bacteriocin biosynthesis were detected using antiSMASH in mutant C23221, indicating mutant C23221 produced a new bacteriocin under mutagenesis conditions. This study provides genetic basis for further constituting a rational strategy to genetically engineer wild-type C-2-1 into an overproducer.
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Affiliation(s)
- Yi Lin
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Jiawen Lu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Zilu Yang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Tianming Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Hongbiao Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Shenfei Sha
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Zhenmin Liu
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China
| | - Yueliang Zhao
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation, Shanghai Ocean University, Shanghai 201306, China
| | - Liping Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
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7
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Zareie Z, Moayedi A, Garavand F, Tabar-Heydar K, Khomeiri M, Maghsoudlou Y. Probiotic Properties, Safety Assessment, and Aroma-Generating Attributes of Some Lactic Acid Bacteria Isolated from Iranian Traditional Cheese. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9040338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Artisanal cheeses are known as the source of beneficial lactic acid bacteria (LAB). Therefore, this study aimed to isolate and characterize LAB with different proteolytic activities from Iranian artisanal white cheeses. The isolates were classified into low, medium, and high proteolytic activity clusters via K-means clustering and identified as Lactiplantibacillus (Lpb.) pentosus L11, Lpb. plantarum L33, and Enterococcus faecium L13, respectively. Some safety tests (such as resistance to antibiotics, hemolytic activity, and biogenic amine production), probiotic properties (including cell surface hydrophobicity, auto/co-aggregation, and antibacterial activity), and production of volatile compounds were evaluated. These were non-hemolytic and non-biogenic amine producers, and showed no irregular antibiotic resistance. Lpb. plantarum L33 had the highest hydrophobicity (30.55%) and auto-aggregation (49.56%), and the highest co-aggregation was observed for Lpb. pentosus L11 with Staphylococcus aureus (61.51%). The isolates also showed a remarkable antibacterial effect against pathogenic bacteria. Moreover, Lpb. pentosus L11 and Lpb. plantarum L33 with low and medium proteolytic activity produced a wider range of volatile compounds in milk compared to the strain with a high proteolytic effect. The results showed that a probiotic strain with low or medium proteolytic activity could improve the flavor characteristics of fermented milk.
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Wang Y, Yang H, Mu G, Wu X. Safety evaluation and complete genome analysis emphasis on extracellular polysaccharide of two strains of Limosilactobacillus fermentum MWLf-4 and Lactipiantibacillus plantarum MWLp-12 from human milk. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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9
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Selection of Beneficial Bacterial Strains With Potential as Oral Probiotic Candidates. Probiotics Antimicrob Proteins 2022; 14:1077-1093. [PMID: 34982415 DOI: 10.1007/s12602-021-09896-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2021] [Indexed: 12/25/2022]
Abstract
This study aimed to select beneficial strains from the oral cavity of healthy volunteers and to evaluate these as potential oral probiotic candidates. The selection process was based on the isolation, differentiation, identification, and safety assessment of LAB strains, followed by a series of experiments for the selection of appropriate candidates with beneficial properties. In the screening procedure, 8 isolates from the oral cavity of a Caucasian volunteers were identified as Streptococcus (Str.) salivarius ST48HK, ST59HK, ST61HK, and ST62HK; Lactiplantibacillus plantarum (Lb.) (Lactobacillus plantarum) ST63HK and ST66HK; Latilactobacillus sakei (Lb.) (Lactobacillus sakei) ST69HK; and Lactobacillus (Lb.) gasseri ST16HK based on 16S rRNA sequencing. Physiological and phenotypic tests did not show hemolytic, proteinase, or gelatinase activities, as well as production of biogenic amines. In addition, screening for the presence of efaA, cyt, IS16, esp, asa1, and hyl virulence genes and vancomycin-resistant genes confirmed safety of the studied strains. Moreover, cell-to-cell antagonism indicated that the strains were able to inhibit the growth of tested representatives from the genera Bacillus, Enterococcus, Streptococcus, and Staphylococcus in a strain-specific manner. Various beneficial genes were detected including gad gene, which codes for GABA production. Furthermore, cell surface hydrophobicity levels ranging between 1.58% and 85% were determined. The studied strains have also demonstrated high survivability in a broad range of pH (4.0-8.0). The interaction of the 8 putative probiotic candidates with drugs from different groups and oral hygiene products were evaluated for their MICs. This is to determine if the application of these drugs and hygiene products can negatively affect the oral probiotic candidates. Overall, antagonistic properties, safety assessment, and high rates of survival in the presence of these commonly used drugs and oral hygiene products indicate Str. salivarius ST48HK, ST59HK, ST61HK, and ST62HK; Lb. plantarum ST63HK and ST66HK; Lb. sakei ST69HK; and Lb. gasseri ST16HK as promising oral cavity probiotic candidates.
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10
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Systematic approach to select lactic acid bacteria from spontaneously fermented milk able to fight Listeria monocytogens and Staphylococcus aureus. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Parappilly SJ, Kavyakrishna MR, Idicula DV, Sumi MG. Antimicrobial compound produced by human gut lactic acid bacteria having antifungal activity against aflatoxigenic
Aspergillus flavus
MTCC
2798. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sherin Joy Parappilly
- Post Graduate and Research Department of Microbiology Sree Sankara College Kalady Kerala India
| | - M. R. Kavyakrishna
- Post Graduate and Research Department of Microbiology Sree Sankara College Kalady Kerala India
| | - Dona V. Idicula
- Post Graduate and Research Department of Microbiology Sree Sankara College Kalady Kerala India
| | - M. G. Sumi
- Post Graduate and Research Department of Microbiology Sree Sankara College Kalady Kerala India
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12
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Tapioca starch and skim milk support probiotic efficacy of Lactiplantibacillus plantarum post-fermentation medium against pathogens and cancer cells. Arch Microbiol 2022; 204:331. [PMID: 35579801 DOI: 10.1007/s00203-022-02943-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 04/21/2022] [Accepted: 04/25/2022] [Indexed: 12/12/2022]
Abstract
The production of functional foods containing prebiotic ingredients is an area of particular interest and a very promising market with the potential to dominate the food industry. This study aims to explore the potential of starch-based prebiotic tapioca and skim milk, as low-cost and easily accessible food sources and as natural and "clean label" food ingredients on the probiotic activities of Lactiplantibacillus plantarum (formerly Lactobacillus plantarum). The results show that concomitant use of the modified tapioca starch and skim milk promotes the antibacterial and anti-cancer properties of L. plantarum post-fermentation media pointing out how the functionality of probiotic products can be regulated by growth supplements.
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Meruvu H, Harsa ST. Lactic acid bacteria: isolation-characterization approaches and industrial applications. Crit Rev Food Sci Nutr 2022; 63:8337-8356. [PMID: 35348017 DOI: 10.1080/10408398.2022.2054936] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The current state-of-art research pertaining to lactic acid bacteria (LAB) calls for the screening and isolation of robust LAB strains to achieve holistic exploitation of LAB and their metabolites of marketable importance. Hence it is imperative to comprehend LAB sources, growth requisites, isolation and characterization strategies necessary for featured cataloging and appropriate culturing. This review comprehensively describes various growth media and biomasses used for supporting LAB sustenance, assay procedures needed for the isolation and characterization of LAB strains, and their application in diverse sectors. The various industrial patents and their summarized claims about novel LAB strains isolated and identified, methods and media (used for detection/screening, isolation, adaptation, culturing, preservation, growth improvement), the techniques and/or methodologies supporting LAB fermentation, and applications of produced industrial metabolites in various market scenarios are detailed.
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Affiliation(s)
- Haritha Meruvu
- CEO, Revathi Hospital, Revathi Firm, Rajahmundry, Andhra Pradesh, India
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Sebnem Tellioglu Harsa
- Faculty of Engineering, Department of Food Engineering, İzmir Institute of Technology, Gulbahçe Campus, Urla, İzmir, Turkey
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Giri R, Sharma RK. Analysis of protein association networks regulating the neuroactive metabolites production in Lactobacillus species. Enzyme Microb Technol 2021; 154:109978. [PMID: 34968825 DOI: 10.1016/j.enzmictec.2021.109978] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/25/2021] [Accepted: 12/19/2021] [Indexed: 12/13/2022]
Abstract
Human population is intensively suffering from mental disorders and stress. Microbial metabolites may alter the brain activity, which seems to be an effective approach in the treatment of psychological distress. Earlier, microbial neuroactive metabolites such as trimethylamine, imidazolone propionate and taurine have been shown to alter the brain activity. In the present study proteins regulating their production and activity were explored in Lactobacillus species with the help of STRING (11.5) as a bioinformatic tool. Dataset network of urocanate hydratase, glycine radical enzyme and taurine ABC transporter protein (ATP-dependent transporter) have been identified in Lactobacillus nodensis, Lactobacillus vini and Lactobacillus paraplantarum strains. Further, cluster analysis of network resulted with groups of homologous proteins that most likely related to reductive monocarboxylic acid cycle, pyruvate fermentation to acetate IV and L-histidine degradation I pathway. The findings emphasize on the use and evaluation of selected Lactobacillus strains as psychoactive bacteria for the prevention and treatment of certain neurological and neurophysiological conditions.
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Affiliation(s)
- Rajat Giri
- Department of Biosciences, Manipal University Jaipur, Jaipur 303007, Rajasthan, India
| | - Rakesh Kumar Sharma
- Department of Biosciences, Manipal University Jaipur, Jaipur 303007, Rajasthan, India.
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15
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Canlı M, Çelik EE, Kocadağlı T, Kanmaz EÖ, Gökmen V. Formation of Bioactive Tyrosine Derivatives during Sprouting and Fermenting of Selected Whole Grains. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:12517-12526. [PMID: 34652133 DOI: 10.1021/acs.jafc.1c05064] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Sprouting is a popular method in cereal processing because sprouted grains are accepted to have high nutritional value. The increased proteolytic activity by sprouting increases the free amino acids in grains. It was hypothesized that an increased amount of tyrosine can be utilized by microorganisms during fermentation to form higher amounts of bioactive tyrosine derivatives. Sprouting increased the tyrosine and tyramine contents considerably, but increases and decreases in l-3,4-dihydroxyphenylalanine (l-DOPA) and dopamine were specific to the cereal. More tyramine, l-DOPA, and dopamine formation was observed during sourdough fermentation than that in yeast fermentation. As a result of the combined application of sprouting (48 h at 20 °C) and sourdough fermentation (36 h at 30 °C), the amounts of dopamine, l-DOPA, and tyramine found in rye were 27, 50, and 136 mg/kg, respectively. Cereal products rich in dopamine and l-DOPA can thus be produced as functional food ingredients with their positive effects on human health and mood.
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Affiliation(s)
- Merve Canlı
- Food Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Ecem Evrim Çelik
- Food Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Tolgahan Kocadağlı
- Food Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Evrim Özkaynak Kanmaz
- Department of Nutrition and Dietetics, Artvin Çoruh University, 08100 Seyitler, Artvin, Turkey
| | - Vural Gökmen
- Food Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
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Cullen JT, Lawlor PG, Cormican P, Gardiner GE. Microbial Quality of Liquid Feed for Pigs and Its Impact on the Porcine Gut Microbiome. Animals (Basel) 2021; 11:ani11102983. [PMID: 34680002 PMCID: PMC8532943 DOI: 10.3390/ani11102983] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Liquid feed is produced by mixing dry feed ingredients with water, and sometimes liquid co-products from the food and beverage industry, at a defined ratio. Liquid feeding of pigs is popular, particularly in parts of northern and western Europe, and can be associated with lower feed costs, improved dry matter intake, growth rate and gut health, compared to dry feeding. However, spontaneous/uncontrolled fermentation upon mixing of feed with water or co-products can decrease the microbial and nutritional quality of the feed, resulting in poorer pig health and growth. For this reason, strategies aimed at optimising liquid feed microbial quality are frequently employed. These include: deliberate fermentation with/without the use of lactic acid bacteria starter cultures that produce lactic acid and lower the feed pH, thereby preventing growth of pathogens. Fermenting only the cereal component of the diet is preferred to whole diet fermentation to minimise loss of free amino acids from the diet during fermentation. This review examines the microbiome of liquid feed and explores how optimisation strategies impact both feed microbial quality and the gut microbiota and growth of liquid-fed pigs. It also covers cleaning and disinfection of liquid feeding systems and how this might impact liquid feed microbial quality. Abstract There is evidence that spontaneous fermentation frequently occurs in liquid pig feed that is intended to be delivered as fresh liquid feed, often with a resultant deterioration in the microbial and nutritional quality of the feed, which can negatively affect pig health and growth. Strategies including controlled fermentation with microbial inoculants, pre-fermentation or soaking of the cereal fraction of the diet, enzyme supplementation and dietary acidification have been employed to inhibit pathogens and prevent deterioration of feed nutritional quality, with promising results obtained in many cases. This review evaluates the impact of these strategies on the microbial quality of liquid feed and discusses how they can be further improved. It also investigates if/how these strategies impact the pig gut microbiota and growth performance of liquid-fed pigs. Finally, we review liquid feed system sanitisation practices, which are highly variable from farm to farm and discuss the impact of these practices and whether they are beneficial or detrimental to liquid feed microbial quality. Overall, we provide a comprehensive review of the current state of knowledge on liquid feed for pigs, focusing on factors affecting microbial quality and strategies for its optimisation, as well as its impact on the pig gut microbiome.
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Affiliation(s)
- James T. Cullen
- Department of Science, Waterford Institute of Technology, Co. Waterford, X91 K0EK Waterford, Ireland;
| | - Peadar G. Lawlor
- Teagasc, Pig Development Department, Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Co. Cork, P61 C996 Cork, Ireland;
| | - Paul Cormican
- Teagasc, Animal Bioscience Research Centre, Grange, Dunsany, Co. Meath, C15 PW93 Dublin, Ireland;
| | - Gillian E. Gardiner
- Department of Science, Waterford Institute of Technology, Co. Waterford, X91 K0EK Waterford, Ireland;
- Correspondence:
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Potential Use of Lactic Acid Bacteria with Pathogen Inhibitory Capacity as a Biopreservative Agent for Chorizo. Processes (Basel) 2021. [DOI: 10.3390/pr9091582] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The biopreservation of meat products is of great interest due to the demand for products with low or minimal chemical additives. Lactic acid bacteria (LAB) have been used as protective cultures for many centuries. The objective of this work was to characterize 10 native LAB isolated from meat masses with biopreservative potential for meat products. The isolates were subjected to viability tests with different concentrations of NaCl, nitrite, and nitrate salts, pHs, and temperature conditions. Antibiotic resistance and type of lactic acid isomer were tested. In addition, the isolates were tested against seven pathogens, and inhibitory substances were identified by diffusion in agar wells. Finally, two isolates, Lb. plantarum (SB17) and Lb. sakei (SB3) were tested as protective cultures of chorizo in a model. As a result, the viability at different concentrations of NaCl and nitrate and nitrate salts were obtained. pH and temperature exerted a negative effect on the growth of some of the isolates. Pathogens were inhibited mainly by the presence of organic acids; P. aurius was the most susceptible, and S. typhimurium and S. marcescens were the most resistant. The strains SB17 and SB3 had similar effects on chorizo, and time exerted a deleterious effect on microbiological quality and pH. The results indicated that the 10 isolates show promising characteristics for the preservation of cooked meat products, with the strain Lb. plantarum (SB17) being the most promising.
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Zahed MA, Movahed E, Khodayari A, Zanganeh S, Badamaki M. Biotechnology for carbon capture and fixation: Critical review and future directions. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 293:112830. [PMID: 34051533 DOI: 10.1016/j.jenvman.2021.112830] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/27/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
To mitigate the growing threat of climate change and develop novel technologies that can eliminate carbon dioxide, the most abundant greenhouse gas derived from the flue gas stream of the fossil fuel-fired power stations, is momentous. The development of carbon capture and sequestration-based technologies may play a significant role in this regard. Carbon fixation mostly occurs by photosynthesizing plants as well as photo and chemoautotrophic microbes that turn the atmospheric carbon dioxide into organic materials via their enzymes. Biofuel can offer a sustainable solution for carbon mitigation. The pragmatic implementation of biofuel production processes is neither cost-effective nor has been proven safe over the long term. Searching for ways to enhance biofuel generation by the employment of genetic engineering is vital. Carbon biosequestration can help to curb the greenhouse effect. In addition, new genomic approaches, which are able to use gene-splicing biotechnology techniques and recombinant DNA technology to produce genetically modified organisms, can contribute to improvement in sustainable and renewable biofuel and biomaterial production from microorganisms. Biopolymers, Biosurfactants, and Biochars are suggested as sustainable future trends. This study aims to pave the way for implementing biotechnology methods to capture carbon and decrease the demand and consumption of fossil fuels as well as the emissions of greenhouse gases. Having a better image of microorganisms' potential role in carbon capture and storage can be prolific in developing powerful techniques to reduce CO2 emissions.
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Affiliation(s)
- Mohammad Ali Zahed
- Faculty of Biological Sciences, Kharazmi University, 14911 - 15719, Tehran, Iran.
| | - Elaheh Movahed
- Wadsworth Center, New York State Department of Health, Albany, NY, USA
| | - Arezoo Khodayari
- Department of Civil and Environmental Engineering, California State University, Los Angeles, USA
| | - Saba Zanganeh
- Faculty of Biological Sciences, Kharazmi University, 14911 - 15719, Tehran, Iran
| | - Maryam Badamaki
- Faculty of Biological Sciences, Kharazmi University, 14911 - 15719, Tehran, Iran
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