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Al-Mohammadi AR, Abdel-Shafi S, Moustafa AH, Fouad N, Enan G, Ibrahim RA. Potential Use and Chemical Analysis of Some Natural Plant Extracts for Controlling Listeria spp. Growth In Vitro and in Food. Foods 2024; 13:2915. [PMID: 39335846 PMCID: PMC11431611 DOI: 10.3390/foods13182915] [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: 08/13/2024] [Revised: 09/07/2024] [Accepted: 09/09/2024] [Indexed: 09/30/2024] Open
Abstract
Listeria are Gram-negative intracellular foodborne pathogens that can cause invasive infections with high mortality rates. In this work, the antibacterial activity of ten essential oils, infusion extracts, and decoction extracts of some medicinal plants was tested against Listeria monocytogenes and listeria ivanovii strains. The effects of different physical conditions including temperature, pH, sodium chloride, and some organic acids were studied. The results showed that the water extracts gave the maximum bacterial inhibition, while ethanolic extract was inactive against the tested Listeria spp. The antibiotic sensitivity of L. monocytogenes LMG10470 and L. ivanovii LMZ11352 was tested against five antibiotics including imipenem, levofloxacin, amikacin, ampicillin, and amoxicillin. Imipenem was the most effective antibiotic, resulting in inhibition zones of 40 mm and 31 mm for L. monocytogenes and L. ivanovii, respectively. When imipenem mixed with Syzygium aromaticum oil, Salvia officinalis oil, Pimpinella anisum infusion, and Mentha piperita infusion each, the water extract of Moringa oleifera leaves and seeds against LMG10470 and LMZ11352 resulted in broader antibacterial activity. The antimicrobial activity of both Pimpinella anisum and Mentha piperita plant extracts is related to a variety of bioactive compounds indicated by gas chromatography-mass spectrometry analysis of these two plant extracts. These two plant extracts seemed to contain many chemical compounds elucidated by gas chromatography-mass spectrometry (GC-MS) and infrared radiation spectra. These compounds could be classified into different chemical groups such as ethers, heterocyclic compounds, aromatic aldehydes, condensed heterocyclic compounds, ketones, alicyclic compounds, aromatics, esters, herbicides, saturated fatty acids, and unsaturated fatty acids. The use of these natural compounds seems to be a useful technological adjuvant for the control of Listeria spp. in foods.
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Affiliation(s)
| | - Seham Abdel-Shafi
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (S.A.-S.); (N.F.); (G.E.)
| | - Ahmed H. Moustafa
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt;
| | - Nehal Fouad
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (S.A.-S.); (N.F.); (G.E.)
| | - Gamal Enan
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (S.A.-S.); (N.F.); (G.E.)
| | - Rehab A. Ibrahim
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (S.A.-S.); (N.F.); (G.E.)
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2
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Gura KM, Chan A, Zong W, Pai N, Duro D. From the kitchen to the medicine cabinet: Examples of food products and supplements used for therapeutic intent. J Pediatr Gastroenterol Nutr 2024; 79:460-472. [PMID: 39034627 DOI: 10.1002/jpn3.12296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 05/10/2024] [Accepted: 06/05/2024] [Indexed: 07/23/2024]
Abstract
"Food as medicine" has existed for centuries as the foundation of health for many cultures around the globe. It is a practice built on the knowledge that food and diet play important roles in disease prevention and management. Foods that claim to have therapeutic properties are often referred to as functional foods. These foods contain a number of nutritional and nonnutritional compounds that can interact with pharmacologically relevant receptors, either directly or indirectly via their metabolites, to regulate cellular biochemical processes. Although opinions are changing, the concept of food as a therapeutic intervention goes against conventional Western medicine. To provide guidance to clinicians interested in using these products, members of the Food as Medicine working group of the Nutrition Committee NASPGHAN, as part of a two-part review series, have created summaries of several frequently used nutritional products for therapeutic intent (i.e., fermented foods, fiber, and long-chain omega-3 fatty acids) that includes indications, doses, and caveats. Gaps in their use in pediatric patients are discussed. Evidence supporting their use for management of gastrointestinal conditions, especially in the pediatric population, is provided when available.
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Affiliation(s)
- Kathleen M Gura
- Department of Pharmacy/Division of Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, Massachusetts, USA
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Alvin Chan
- UCLA Mattel Children's Hospital, Los Angeles, California, USA
- David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | | | - Nikhil Pai
- Department of Pediatrics, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
- Division of Pediatric Gastroenterology & Nutrition, McMaster Children's Hospital, Hamilton, Ontario, Canada
| | - Debora Duro
- Pediatric Gastroenterology, Hepatology and Nutrition, Salah Foundation Children Hospital at Broward Health, Fort Lauderdale, Florida, USA
- NOVA Southeastern University, Fort Lauderdale, Florida, USA
- Florida International University (FIU), Miami, Florida, USA
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3
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Cheng T, Zhang T, Zhang P, He X, Sadiq FA, Li J, Sang Y, Gao J. The complex world of kefir: Structural insights and symbiotic relationships. Compr Rev Food Sci Food Saf 2024; 23:e13364. [PMID: 38847746 DOI: 10.1111/1541-4337.13364] [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: 12/30/2023] [Revised: 04/04/2024] [Accepted: 05/21/2024] [Indexed: 06/13/2024]
Abstract
Kefir milk, known for its high nutritional value and health benefits, is traditionally produced by fermenting milk with kefir grains. These grains are a complex symbiotic community of lactic acid bacteria, acetic acid bacteria, yeasts, and other microorganisms. However, the intricate coexistence mechanisms within these microbial colonies remain a mystery, posing challenges in predicting their biological and functional traits. This uncertainty often leads to variability in kefir milk's quality and safety. This review delves into the unique structural characteristics of kefir grains, particularly their distinctive hollow structure. We propose hypotheses on their formation, which appears to be influenced by the aggregation behaviors of the community members and their alliances. In kefir milk, a systematic colonization process is driven by metabolite release, orchestrating the spatiotemporal rearrangement of ecological niches. We place special emphasis on the dynamic spatiotemporal changes within the kefir microbial community. Spatially, we observe variations in species morphology and distribution across different locations within the grain structure. Temporally, the review highlights the succession patterns of the microbial community, shedding light on their evolving interactions.Furthermore, we explore the ecological mechanisms underpinning the formation of a stable community composition. The interplay of cooperative and competitive species within these microorganisms ensures a dynamic balance, contributing to the community's richness and stability. In kefir community, competitive species foster diversity and stability, whereas cooperative species bolster mutualistic symbiosis. By deepening our understanding of the behaviors of these complex microbial communities, we can pave the way for future advancements in the development and diversification of starter cultures for food fermentation processes.
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Affiliation(s)
- Tiantian Cheng
- Department of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei, China
| | - Tuo Zhang
- Department of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei, China
| | - Pengmin Zhang
- Department of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei, China
| | - Xiaowei He
- Department of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei, China
| | - Faizan Ahmed Sadiq
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff, UK
| | - Jiale Li
- Department of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei, China
| | - Yaxin Sang
- Department of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei, China
| | - Jie Gao
- Department of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei, China
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4
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Bessa MK, Bessa GR, Bonamigo RR. Kefir as a therapeutic agent in clinical research: a scoping review. Nutr Res Rev 2024; 37:79-95. [PMID: 36994828 DOI: 10.1017/s0954422423000070] [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] [Indexed: 03/31/2023]
Abstract
Increasing research has been conducted on the role of probiotics in disease treatment. Kefir, a safe, low-cost probiotic fermented milk drink, has been investigated in many in vitro and animal studies, although parameters for human therapeutic dose or treatment time have not yet been determined. Here we perform a scoping review of clinical studies that have used kefir as a therapeutic agent, compiling the results for perspectives to support and direct further research. This review was based on Joanna Briggs Institute guidelines, including studies on the effects of kefir-fermented milk in humans. Using the term KEFIR, the main international databases were searched for studies published in English, Spanish or Portuguese until 9 March 2022. A total of 5835 articles were identified in the four databases, with forty-four eligible for analysis. The research areas were classified as metabolic syndrome and type 2 diabetes, gastrointestinal health/disorders, maternal/child health and paediatrics, dentistry, oncology, women's and geriatric health, and dermatology. The many study limitations hampered generalisation of the results. The small sample sizes, methodological variation and differences in kefir types, dosage and treatment duration prevented clear conclusions about its benefits for specific diseases. We suggest using a standard therapeutic dose of traditionally prepared kefir in millilitres according to body weight, making routine consumption more feasible. The studies showed that kefir is safe for people without serious illnesses.
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Affiliation(s)
- Milena Klippel Bessa
- Postgraduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite, 245, 90050-170, Porto Alegre, RS, Brazil
| | | | - Renan Rangel Bonamigo
- Postgraduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite, 245, 90050-170, Porto Alegre, RS, Brazil
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5
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Zhou J, Zheng H, Sheng W, Hao X, Zhang X. Preparation and Anti-Icing Properties of Zirconia Superhydrophobic Coating. Molecules 2024; 29:1837. [PMID: 38675658 PMCID: PMC11052453 DOI: 10.3390/molecules29081837] [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: 03/21/2024] [Revised: 04/12/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Zirconia (ZrO2) is a ceramic material with high-temperature resistance and good insulating properties. Herein, for the first time, the surface of ZrO2 was modified with docosanoic acid (DCA) to improve its self-cleaning and hydrophobic properties. This surface modification transformed the surface of ZrO2 from hydrophilic to superhydrophobic. A two-step spraying method was used to prepare the superhydrophobic surface of ZrO2 by sequentially applying a primer and a topcoat. The primer was a solution configured using an epoxy resin as the adhesive and polyamide as the curing agent, while the topcoat was a modified ZrO2 solution. The superhydrophobic surface of ZrO2 exhibited a contact angle of 154° and a sliding angle of 4°. Scanning electron microscopy, X-ray diffraction, energy-dispersive X-ray spectroscopy, thermogravimetric analysis, and other analytical techniques were used to characterize the prepared zirconia particles and their surfaces. Moreover, results from surface self-cleaning and droplet freezing tests showed that DCA-modified ZrO2 can be well combined, and its coatings show good self-cleaning and anti-icing properties on TA2 bases.
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Affiliation(s)
- Jiahui Zhou
- Hami Vocational and Technical College, Hami 839001, China;
| | - Haikun Zheng
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454003, China; (W.S.); (X.H.); (X.Z.)
| | - Wei Sheng
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454003, China; (W.S.); (X.H.); (X.Z.)
| | - Xiaoru Hao
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454003, China; (W.S.); (X.H.); (X.Z.)
| | - Xinmin Zhang
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454003, China; (W.S.); (X.H.); (X.Z.)
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6
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Apalowo OE, Adegoye GA, Mbogori T, Kandiah J, Obuotor TM. Nutritional Characteristics, Health Impact, and Applications of Kefir. Foods 2024; 13:1026. [PMID: 38611332 PMCID: PMC11011999 DOI: 10.3390/foods13071026] [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: 03/12/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
A global epidemiological shift has been observed in recent decades, characterized by an increase in age-related disorders, notably non-communicable chronic diseases, such as type 2 diabetes mellitus, cardiovascular and neurodegenerative diseases, and cancer. An appreciable causal link between changes in the gut microbiota and the onset of these maladies has been recognized, offering an avenue for effective management. Kefir, a probiotic-enriched fermented food, has gained significance in this setting due to its promising resource for the development of functional or value-added food formulations and its ability to reshape gut microbial composition. This has led to increasing commercial interest worldwide as it presents a natural beverage replete with health-promoting microbes and several bioactive compounds. Given the substantial role of the gut microbiota in human health and the etiology of several diseases, we conducted a comprehensive synthesis covering a total of 33 investigations involving experimental animal models, aimed to elucidate the regulatory influence of bioactive compounds present in kefir on gut microbiota and their potential in promoting optimal health. This review underscores the outstanding nutritional properties of kefir as a central repository of bioactive compounds encompassing micronutrients and amino acids and delineates their regulatory effects at deficient, adequate, and supra-nutritional intakes on the gut microbiota and their broader physiological consequences. Furthermore, an investigation of putative mechanisms that govern the regulatory effects of kefir on the gut microbiota and its connections with various human diseases was discussed, along with potential applications in the food industry.
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Affiliation(s)
- Oladayo Emmanuel Apalowo
- Department of Food Science, Nutrition and Health Promotion, Mississippi State University, Starkville, MS 39762, USA; (O.E.A.); (G.A.A.)
| | - Grace Adeola Adegoye
- Department of Food Science, Nutrition and Health Promotion, Mississippi State University, Starkville, MS 39762, USA; (O.E.A.); (G.A.A.)
- Department of Nutrition and Health Science, Ball State University, Muncie, IN 47306, USA;
| | - Teresia Mbogori
- Department of Nutrition and Health Science, Ball State University, Muncie, IN 47306, USA;
| | - Jayanthi Kandiah
- Department of Nutrition and Health Science, Ball State University, Muncie, IN 47306, USA;
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7
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Siddiqui SA, Erol Z, Rugji J, Taşçı F, Kahraman HA, Toppi V, Musa L, Di Giacinto G, Bahmid NA, Mehdizadeh M, Castro-Muñoz R. An overview of fermentation in the food industry - looking back from a new perspective. BIORESOUR BIOPROCESS 2023; 10:85. [PMID: 38647968 PMCID: PMC10991178 DOI: 10.1186/s40643-023-00702-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 10/25/2023] [Indexed: 04/25/2024] Open
Abstract
Fermentation is thought to be born in the Fertile Crescent, and since then, almost every culture has integrated fermented foods into their dietary habits. Originally used to preserve foods, fermentation is now applied to improve their physicochemical, sensory, nutritional, and safety attributes. Fermented dairy, alcoholic beverages like wine and beer, fermented vegetables, fruits, and meats are all highly valuable due to their increased storage stability, reduced risk of food poisoning, and enhanced flavor. Over the years, scientific research has associated the consumption of fermented products with improved health status. The fermentation process helps to break down compounds into more easily digestible forms. It also helps to reduce the amount of toxins and pathogens in food. Additionally, fermented foods contain probiotics, which are beneficial bacteria that help the body to digest food and absorb nutrients. In today's world, non-communicable diseases such as cardiovascular disease, type 2 diabetes, cancer, and allergies have increased. In this regard, scientific investigations have demonstrated that shifting to a diet that contains fermented foods can reduce the risk of non-communicable diseases. Moreover, in the last decade, there has been a growing interest in fermentation technology to valorize food waste into valuable by-products. Fermentation of various food wastes has resulted in the successful production of valuable by-products, including enzymes, pigments, and biofuels.
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Affiliation(s)
- Shahida Anusha Siddiqui
- Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Essigberg 3, 94315, Straubing, Germany.
- German Institute of Food Technologies (DIL E.V.), Prof.-Von-Klitzing Str. 7, 49610, Quakenbrück, Germany.
| | - Zeki Erol
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, İstiklal Campus, 15030, Burdur, Turkey
| | - Jerina Rugji
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, İstiklal Campus, 15030, Burdur, Turkey
| | - Fulya Taşçı
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, İstiklal Campus, 15030, Burdur, Turkey
| | - Hatice Ahu Kahraman
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, İstiklal Campus, 15030, Burdur, Turkey
| | - Valeria Toppi
- Department of Veterinary Medicine, University of Perugia, 06126, Perugia, Italy
| | - Laura Musa
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900, Lodi, Italy
| | - Giacomo Di Giacinto
- Department of Veterinary Medicine, University of Perugia, 06126, Perugia, Italy
| | - Nur Alim Bahmid
- Research Center for Food Technology and Processing, National Research and Innovation Agency (BRIN), Gading, Playen, Gunungkidul, 55861, Yogyakarta, Indonesia
| | - Mohammad Mehdizadeh
- Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran
- Ilam Science and Technology Park, Ilam, Iran
| | - Roberto Castro-Muñoz
- Tecnologico de Monterrey, Campus Toluca, Av. Eduardo Monroy Cárdenas 2000, San Antonio Buenavista, 50110, Toluca de Lerdo, Mexico.
- Department of Sanitary Engineering, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, G. Narutowicza St. 11/12, 80-233, Gdansk, Poland.
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8
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Valletta M, Campolattano N, De Chiara I, Marasco R, Singh VP, Muscariello L, Pedone PV, Chambery A, Russo R. A robust nanoLC high-resolution mass spectrometry methodology for the comprehensive profiling of lactic acid bacteria in milk kefir. Food Res Int 2023; 173:113298. [PMID: 37803610 DOI: 10.1016/j.foodres.2023.113298] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/14/2023] [Accepted: 07/20/2023] [Indexed: 10/08/2023]
Abstract
Consumer attention to functional foods containing probiotics is growing because of their positive effects on human health. Kefir is a fermented milk beverage produced by bacteria and yeasts. Given the emerging kefir market, there is an increasing demand for new methodologies to certify product claims such as colony-forming units/g and bacterial taxa. MALDI-TOF MS proved to be useful for the detection/identification of bacteria in clinical diagnostics and agri-food applications. Recently, LC-MS/MS approaches have also been applied to the identification of proteins and proteotypic peptides of lactic acid bacteria in fermented food matrices. Here, we developed an innovative nanoLC-ESI-MS/MS-based methodology for profiling lactic acid bacteria in commercial and artisanal milk kefir products as well as in kefir grains at the genus, species and subspecies level. The proposed workflow enables the authentication of kefir label claims declaring the presence of probiotic starters. An overview of the composition of lactic acid bacteria was also obtained for unlabelled kefir highlighting, for the first time, the great potential of LC-MS/MS as a sensitive tool to assess the authenticity of fermented foods.
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Affiliation(s)
- Mariangela Valletta
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Nicoletta Campolattano
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Ida De Chiara
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Rosangela Marasco
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Vikram Pratap Singh
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Lidia Muscariello
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Paolo Vincenzo Pedone
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Angela Chambery
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
| | - Rosita Russo
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
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Albuquerque Pereira MDF, Morais de Ávila LG, Ávila Alpino GDC, Dos Santos Cruz BC, Almeida LF, Macedo Simões J, Ladeira Bernardes A, Xisto Campos I, de Oliveira Barros Ribon A, de Oliveira Mendes TA, Gouveia Peluzio MDC. Milk kefir alters fecal microbiota impacting gut and brain health in mice. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12630-0. [PMID: 37389589 DOI: 10.1007/s00253-023-12630-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 05/31/2023] [Accepted: 06/07/2023] [Indexed: 07/01/2023]
Abstract
Kefir is a fermented beverage made of a symbiotic microbial community that stands out for health benefits. Although its microbial profile is still little explored, its effects on modulation of gut microbiota and production of short-chain fatty acids (SCFAs) seems to act by improving brain health. This work aimed to analyze the microbiota profile of milk kefir and its effect on metabolism, oxidative stress, and in the microbiota-gut-brain axis in a murine model. The experimental design was carried out using C57BL-6 mice (n = 20) subdivided into groups that received 0.1 mL water or 0.1 mL (10% w/v) kefir. The kefir proceeded to maturation for 48 h, and then it was orally administered, via gavage, to the animals for 4 weeks. Physicochemical, microbiological, antioxidant analyzes, and microbial profiling of milk kefir beverage were performed as well as growth parameters, food intake, serum markers, oxidative stress, antioxidant enzymes, SCFAs, and metabarcoding were analyzed in the mice. Milk kefir had 76.64 ± 0.42% of free radical scavenging and the microbiota composed primarily by the genus Comamonas. Moreover, kefir increased catalase and superoxide dismutase (colon), and SCFAs in feces (butyrate), and in the brain (butyrate and propionate). Kefir reduced triglycerides, uric acid, and affected the microbiome of animals increasing fecal butyrate-producing bacteria (Lachnospiraceae and Lachnoclostridium). Our results on the brain and fecal SCFAs and the antioxidant effect found were associated with the change in the gut microbiota caused by kefir, which indicates that kefir positively influences the gut-microbiota-brain axis and contributes to the preservation of gut and brain health. KEY POINTS: • Milk kefir modulates fecal microbiota and SCFA production in brain and colon. • Kefir treatment increases the abundance of SCFA-producing bacteria. • Milk kefir increases antioxidant enzymes and influences the metabolism of mice.
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Affiliation(s)
| | - Larissa Gabriela Morais de Ávila
- Interunit Postgraduate Program in Bioinformatics, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Gabriela de Cássia Ávila Alpino
- Department of Nutrition and Health, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Bruna Cristina Dos Santos Cruz
- Biological Sciences and Health Institute, Universidade Federal de Viçosa Campus Rio Paranaíba, Rodovia BR230 KM 7, Rio Paranaíba, Minas Gerais, Brazil
| | - Lucas Filipe Almeida
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N., Viçosa, Minas Gerais, 36570-900, Brazil
| | - Jordana Macedo Simões
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N., Viçosa, Minas Gerais, 36570-900, Brazil
| | - Andressa Ladeira Bernardes
- Department of Nutrition and Health, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Iasmim Xisto Campos
- Department of Nutrition and Health, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Andréa de Oliveira Barros Ribon
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N., Viçosa, Minas Gerais, 36570-900, Brazil
| | - Tiago Antônio de Oliveira Mendes
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N., Viçosa, Minas Gerais, 36570-900, Brazil
| | - Maria do Carmo Gouveia Peluzio
- Department of Nutrition and Health, Universidade Federal de Viçosa, Av. P.H. Rolfs, S/N, Viçosa, Minas Gerais, 36570-900, Brazil.
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10
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Liang D, Wu F, Zhou D, Tan B, Chen T. Commercial probiotic products in public health: current status and potential limitations. Crit Rev Food Sci Nutr 2023; 64:6455-6476. [PMID: 36688290 DOI: 10.1080/10408398.2023.2169858] [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] [Indexed: 01/24/2023]
Abstract
Consumption of commercial probiotics for health improvement and disease treatment has increased in popularity among the public in recent years. The local shops and pharmacies are brimming with various probiotic products such as probiotic food, dietary supplement and pharmaceuticals that herald a range of health benefits, from nutraceutical benefits to pharmaceutical effects. However, although the probiotic market is expanding rapidly, there is increasing evidence challenging it. Emerging insights from microbiome research and public health demonstrate several potential limitations of the natural properties, regulatory frameworks, and market consequences of commercial probiotics. In this review, we highlight the potential safety and performance issues of the natural properties of commercial probiotics, from the genetic level to trait characteristics and probiotic properties and further to the probiotic-host interaction. Besides, the diverse regulatory frameworks and confusing probiotic guidelines worldwide have led to product consequences such as pathogenic contamination, overstated claims, inaccurate labeling and counterfeit trademarks for probiotic products. Here, we propose a plethora of available methods and strategies related to strain selection and modification, safety and efficacy assessment, and some recommendations for regulatory agencies to address these limitations to guarantee sustainability and progress in the probiotic industry and improve long-term public health and development.
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Affiliation(s)
- Dingfa Liang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, PR China
- Queen Mary School, Nanchang University, Nanchang, China
| | - Fei Wu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, PR China
| | - Dexi Zhou
- National Engineering Research Centre for Bioengineering Drugs and Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, China
| | - Buzhen Tan
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, PR China
| | - Tingtao Chen
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, PR China
- National Engineering Research Centre for Bioengineering Drugs and Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, China
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11
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Red beetroot juice fermented by water kefir grains: physicochemical, antioxidant profile and anticancer activity. Eur Food Res Technol 2022. [DOI: 10.1007/s00217-022-04185-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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12
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Tailoring the Optimized Fermentation Conditions of SCOBY-Based Membranes and Milk Kefir Grains to Promote Various Functional Properties. Foods 2022; 11:foods11193107. [PMID: 36230183 PMCID: PMC9563321 DOI: 10.3390/foods11193107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/21/2022] [Accepted: 10/01/2022] [Indexed: 11/23/2022] Open
Abstract
Kombucha culture (named SCOBY-Symbiotic Culture of Bacteria and Yeasts) and milk kefir grains represent multiple consortia of wild microorganisms that include lactic acid bacteria, acetic acid bacteria and yeasts with valuable functional properties. Their fermentative potential provides a wide range of derivate metabiotics (prebiotics, probiotics, postbiotics and paraprobiotics) with valuable in vitro and in vivo benefits. This study targeted the evaluation of the functionality of a co-culture of SCOBY-based membranes and milk kefir grains, used as freeze-dried starter cultures, for the fermentation of a newly formulated medium based on black tea infusion, supplemented with bovine colostrum and sugar, in order to produce bioactive compounds with functional properties. The design and optimization of the biotechnological process were achieved by using the Plackett–Burman experimental design (six factorial points, three center points) and the response surface methodology and central composite design (three factorial points, six axial points and two center points in axial) tools. The statistical analysis and the mathematical modelling of the responses such as the pH, titratable acidity, antioxidant activity and antimicrobial activity (against Bacillus subtilis, Escherichia coli, Staphylococcus aureus and Aspergillus niger) were investigated. Further, the composition of organic acids, polyphenols and flavonoids of the fermented product obtained under the optimized fermentation conditions was also analyzed. The fermentation of the medium containing 6.27% (w/v) bovine colostrum powder, 1.64% (w/v) black tea, 7.5% (w/w) sugar, pH 6.7, with an inoculum based of 0.36% (w/v) milk kefir grains powder and 0.5% (w/v) SCOBY-based membrane (both as freeze-dried culture), at 30 °C, for 5 days, in an aerobic stationary system, revealed an antifungal activity between 80 and 100% against Aspergillus niger, an antibacterial activity of 8–22 mm against Escherichia coli and Bacillus spp. And a titratable acidity of 445 °Th. The chemical composition of the obtained product had a positive impact on the functional properties of the fermented products in terms of the antimicrobial and antioxidant properties.
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Al-Mohammadi AR, El-Didamony G, Abd El Moneem MS, Elshorbagy IM, Askora A, Enan G. Isolation and Characterization of Lytic Bacteriophages Specific for Campylobacter jejuni and Campylobacter coli. ZOONOTIC DISEASES 2022; 2:59-72. [DOI: 10.3390/zoonoticdis2020007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
In this study, two lytic bacteriophages designated as vB_CjP and vB_CcM were isolated and evaluated for their ability to combat multidrug-resistant bacteria Campylobacter jejuni and Campylobacter coli, respectively. A morphological analysis of these phages by transmission electron microscopy revealed that the vB-CjP bacteriophage had a mean head dimension of 66.6 ± 2.1 nm and a short non-contractile tail and belongs to the Podoviridae family, whereas vB_CcM had a mean head dimension of 80 ± 3.2 nm, a contractile tail, and a length calculated to be 60 ± 2.5 nm and belongs to the Myoviridae family. The results of the host range assay showed that vB_CjP could infect 5 of 10 C. jejuni isolates, whereas vB_CcM could infect 4 of 10 C. coli isolates. Both phages were thermostable and did not lose their infectivity and ability to lyse their host following exposure to 60 °C for 10 min; furthermore, phage particles were relatively stable within a pH range of 6–8. A one-step growth curve indicated that the phages produced estimated burst sizes of 110 and 120 PFU per infected cell with latent periods of 10 and 15 min, for vB-CjP and vB-CcM, respectively. The lytic activity of these phages against planktonic Campylobacter showed that these phages were able to control the growth of Campylobacter in vitro. These results suggest that these phages have a high potential for phage applications and can reduce significantly the counts of Campylobacter spp. The lytic activity of vB-CjP and vB-CcM phages at different (MOIs) against multidrug resistance Campylobacter strains was evaluated. The bacterial growth was slightly delayed by both phages, and the highest efficiency of both phages was observed when MOI = 1 was applied.
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14
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Chen S, Wang Y. Response surface optimization of millet milk fermented by
Lactobacillus kefir. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16675] [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)
- Shujun Chen
- School of Life Science Shanxi University Taiyuan China
| | - Yue Wang
- School of Life Science Shanxi University Taiyuan China
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15
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Ellatif SA, Abdel Razik ES, Abu-Serie MM, Mahfouz A, Shater AF, Saleh FM, Hassan MM, Alsanie WF, Altalhi A, Daigham GE, Mahfouz AY. Immunomodulatory Efficacy-Mediated Anti-HCV and Anti-HBV Potential of Kefir Grains; Unveiling the In Vitro Antibacterial, Antifungal, and Wound Healing Activities. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27062016. [PMID: 35335377 PMCID: PMC8951848 DOI: 10.3390/molecules27062016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 11/23/2022]
Abstract
The utilization of fermented foods with health-promoting properties is becoming more popular around the world. Consequently, kefir, a fermented milk beverage made from kefir grains, was shown in numerous studies to be a probiotic product providing significant health benefits. Herein, we assessed the antibacterial and antifungal potential of kefir against a variety of pathogenic bacteria and fungi. This study also showed the effectiveness of kefir in healing wounds in human gastric epithelial cells (GES-1) by (80.78%) compared with control (55.75%) within 48 h. The quantitative polymerase chain reaction (qPCR) results of kefir-treated HCV- or HBV- infected cells found that 200 µg/mL of kefir can eliminate 92.36% of HCV and 75.71% of HBV relative to the untreated infected cells, whereas 800 µg/mL (the highest concentration) completely eradicated HCV and HBV. Moreover, the estimated IC50 values of kefir, at which HCV and HBV were eradicated by 50%, were 63.84 ± 5.81 µg/mL and 224.02 ± 14.36 µg/mL, correspondingly. Kefir can significantly suppress the elevation of TNF-α and upregulate IL-10 and INF-γ in both treated HCV- and HBV-infected cells. High-performance liquid chromatography (HPLC) and gas chromatography-mass spectrometry (GC-MS) analysis of kefir revealed the presence of numerous active metabolites which mainly contribute to the antimicrobial, antiviral, and immunomodulatory activities. This study demonstrated, for the first time, the anti-HBV efficacy of kefir while also illustrating the immunomodulatory impact in the treated HBV-infected cells. Accordingly, kefir represents a potent antiviral agent against both viral hepatitis C and B, as well as having antimicrobial and wound healing potential.
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Affiliation(s)
- Sawsan Abd Ellatif
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City for Scientific Research and Technology Applications, New Borg El-Arab, Alexandria 21934, Egypt;
| | - Elsayed S. Abdel Razik
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, City for Scientific Research and Technology Applications, New Borg El-Arab, Alexandria 21934, Egypt;
| | - Marwa M. Abu-Serie
- Medical Biotechnology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technology Applications, New Borg El-Arab, Alexandria 21934, Egypt;
| | - Ahmed Mahfouz
- National Health Service Foundation Trust (NHS), Manchester University, Manchester M14 5RH, UK;
| | - Abdullah F. Shater
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Fayez M. Saleh
- Department of Medical Microbiology, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Mohamed M. Hassan
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (M.M.H.); (A.A.)
| | - Walaa F. Alsanie
- Department of Clinical Laboratory Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Abdullah Altalhi
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (M.M.H.); (A.A.)
| | - Ghadir E. Daigham
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University (Girls Branch), Cairo 11651, Egypt;
| | - Amira Y. Mahfouz
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University (Girls Branch), Cairo 11651, Egypt;
- Correspondence:
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16
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Al-Mohammadi AR, Ismaiel AA, Ibrahim RA, Moustafa AH, Abou Zeid A, Enan G. Chemical Constitution and Antimicrobial Activity of Kombucha Fermented Beverage. Molecules 2021; 26:5026. [PMID: 34443614 PMCID: PMC8401643 DOI: 10.3390/molecules26165026] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 08/09/2021] [Accepted: 08/17/2021] [Indexed: 01/01/2023] Open
Abstract
Kombucha is a traditional beverage of sweetened black tea fermented with a symbiotic association of acetic acid bacteria and yeasts. In this study, kombucha fermented beverage (KFB) appeared to include nine chemical groups (alcohols, acids, lactones, condensed heterocyclic compounds, antibiotics, esters, aldehydes, fatty acids, and alkaloids) of many bioactive metabolites, as elucidated by gas chromatography-mass spectrometry (GC-MS) and IR spectra. The fermented metabolic components of KFB seem collectively to act in a synergistic action giving rise to the antimicrobial activity. Four types of kombucha preparations (fermented, neutralized, heat-treated and unfermented) were demonstrated with respect to their antimicrobial activity against some pathogenic bacterial and fungal strains using agar well diffusion assay. KFB exerted the strongest antimicrobial activities when compared with neutralized and heat-treated kombucha beverages (NKB and HKB). Staphylococcus aureus ATCC6538 (S. aureus) and Escherichia coli ATCC11229 (E. coli) were the organisms most susceptible to the antimicrobial activity of kombucha beverage preparations. Finally, the KFB preparation showed remarkable inhibitory activity against S. aureus and E. coli bacteria in a brain heart infusion broth and in some Egyptian fruit juices (apple, guava, strawberry, and tomato). These data reveal that kombucha is not only a prophylactic agent, but also appears to be promising as a safe alternative biopreservative, offering protection against pathogenic bacteria and fungi.
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Affiliation(s)
| | - Ahmed A. Ismaiel
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (A.A.I.); (R.A.I.); (A.A.Z.)
| | - Rehab A. Ibrahim
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (A.A.I.); (R.A.I.); (A.A.Z.)
| | - Ahmed H. Moustafa
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt;
| | - Azza Abou Zeid
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (A.A.I.); (R.A.I.); (A.A.Z.)
| | - Gamal Enan
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44519, Egypt; (A.A.I.); (R.A.I.); (A.A.Z.)
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17
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Osman A, Enan G, Al-Mohammadi AR, Abdel-Shafi S, Abdel-Hameid S, Sitohy MZ, El-Gazzar N. Antibacterial Peptides Produced by Alcalase from Cowpea Seed Proteins. Antibiotics (Basel) 2021; 10:870. [PMID: 34356791 PMCID: PMC8300757 DOI: 10.3390/antibiotics10070870] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/12/2021] [Accepted: 07/15/2021] [Indexed: 11/16/2022] Open
Abstract
Cowpea seed protein hydrolysates (CPH) were output from cowpea seeds applying alcalase® from Bacillus licheniformis. CPH with an elevated level of hydrolysis was fractionated by size exclusion chromatography (SEC). Both CPH and SEC-portions showed to contain antimicrobial peptides (AMPs) as they inhibited both Gram-positive bacteria, such as Listeria monocytogenes LMG10470 (L. monocytogenes), Listeria innocua. LMG11387 (L. innocua), Staphylococcus aureus ATCC25923 (S.aureus), and Streptococcus pyogenes ATCC19615 (St.pyogenes), and Gram-negative bacteria, such as Klebsiella pnemoniae ATCC43816 (K. pnemoniae), Pseudomonas aeroginosa ATCC26853 (P. aeroginosa), Escherichia coli ATCC25468) (E.coli) and Salmonella typhimurium ATCC14028 (S. typhimurium).The data exhibited that both CPH and size exclusion chromatography-fraction 1 (SEC-F1) showed high antibacterial efficiency versus almost all the assessed bacteria. The MIC of the AMPs within SEC-F1 and CPHs were (25 µg/mL) against P. aeruginosa, E.coli and St. pyogenes. However, higher MICsof approximately 100-150 µg/mL showed for both CPHs and SEC-F1 against both S. aureus and L. innocua; it was 50 µg/mL of CPH against S.aureus. The Electro-spray-ionization-mass-spectrometry (ESI-MS) of fraction (1) revealed 10 dipeptides with a molecular masses arranged from 184 Da to 364 Da and one Penta peptide with a molecular mass of approximately 659 Da inthe case of positive ions. While the negative ions showed 4 dipeptides with the molecular masses that arranged from 330 Da to 373 Da. Transmission electron microscope (TEM) demonstrated that the SEC-F1 induced changes in the bacterial cells affected. Thus, the results suggested that the hydrolysis of cowpea seed proteins by Alcalase is an uncomplicated appliance to intensify its antibacterial efficiency.
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Affiliation(s)
- Ali Osman
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt; (A.O.); (M.Z.S.)
| | - Gamal Enan
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig44519, Egypt; (S.A.-S.); (S.A.-H.); (N.E.-G.)
| | | | - Seham Abdel-Shafi
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig44519, Egypt; (S.A.-S.); (S.A.-H.); (N.E.-G.)
| | - Samar Abdel-Hameid
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig44519, Egypt; (S.A.-S.); (S.A.-H.); (N.E.-G.)
| | - Mahmoud Z. Sitohy
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt; (A.O.); (M.Z.S.)
| | - Nashwa El-Gazzar
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig44519, Egypt; (S.A.-S.); (S.A.-H.); (N.E.-G.)
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