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Seong Wei L, Mohamad Sukri SA, Tahiluddin AB, Abdul Kari Z, Wee W, Kabir MA. Exploring beneficial effects of phytobiotics in marine shrimp farming: A review. Heliyon 2024; 10:e31074. [PMID: 39113972 PMCID: PMC11304020 DOI: 10.1016/j.heliyon.2024.e31074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 08/10/2024] Open
Abstract
Marine shrimp farming, mainly Penaeus monodon and Litopenaeus vannamei, is an important component of the aquaculture industry. Marine shrimp farming helps produce a protein source for humans, provides job opportunities, and generates lucrative profits for investors. Intensification farming practices can lead to poor water quality, stress, and malnutrition among the farmed marine shrimp, resulting in disease outbreaks and poor production, impeding the development of marine shrimp farming. Antibiotics are the common short-term solution to treat diseases in marine shrimp farming. Moreover, the negative impacts of using antibiotics on public health and the environment erode consumer confidence in aquaculture products. Recently, research on using phytobiotics as a prophylactic agent in aquaculture has become a hot topic. Various phytobiotics have been explored to reveal their beneficial effects on aquaculture species. In this review paper, the sources and modes of action of phytobiotics are presented. The roles of phytobiotics in improving growth performance, increasing antioxidant capacity, enhancing the immune system, stimulating disease resistance, and mitigating stress due to abiotic factors in marine shrimp culture are recapitulated and discussed.
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Affiliation(s)
- Lee Seong Wei
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600, Jeli, Kelantan, Malaysia
- Tropical Rainforest Research Centre (TRaCe), Universiti Malaysia Kelantan, Pulau Banding, 33300, Gerik, Perak, Malaysia
| | - Suniza Anis Mohamad Sukri
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600, Jeli, Kelantan, Malaysia
| | - Albaris B. Tahiluddin
- College of Fisheries, Mindanao State University-Tawi-Tawi College of Technology and Oceanography, Sanga-Sanga, Bongao, Tawi-Tawi, 7500, Philippines
- Department of Aquaculture, Institute of Science, Kastamonu University, Kastamonu, 37200, Turkey
| | - Zulhisyam Abdul Kari
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600, Jeli, Kelantan, Malaysia
| | - Wendy Wee
- Center for Fundamental and Continuing Education, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
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Garibay-Valdez E, Olivas-Bernal CA, Vargas-Albores F, Martínez-Porchas M, García-Godínez DM, Medina-Félix D, Martínez-Córdova LR, Cicala F. Deciphering the gut microbiota of zebrafish, the most used fish as a biological model: A meta-analytic approach. Comp Biochem Physiol A Mol Integr Physiol 2024; 297:111713. [PMID: 39074543 DOI: 10.1016/j.cbpa.2024.111713] [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: 05/22/2024] [Revised: 07/26/2024] [Accepted: 07/26/2024] [Indexed: 07/31/2024]
Abstract
A meta-analytic approach deciphered the taxonomic profile of the zebrafish gut microbiota at different developmental stages. Data (16S rDNA) were systematically searched in databases, selecting those with intestine samples of fish not exposed to a particular treatment or challenge (e.g., pathogens, dietetic tests, xenobiotics, etc.) and obtaining 340 samples to be processed. Results revealed marked differences between the developmental phases. Proteobacteria was the dominant phylum in the larval phase, with a relative abundance of 90%, while the rest of the phyla did not exceed 2%. Vibrio, Aeromonas, Plesiomonas, Pseudomonas, Shewanella, and Acinetobacter were the dominant genera in this phase. Transitional changes were observed after the larvae stage. Proteobacteria still registered high abundance (48%) in the juvenile phase, but Fusobacteria (40%) and Bacteriodota (5.9%) registered considerable increases. Genera, including Cetobacterium, Plesiomonas, Aeromonas, Vibrio, and Flavobacterium, dominated this stage. The phyla Proteobacteria (48%) and Fusobacteria (35%) were strongly established in the adult phase. Cetobacterium was registered as the most abundant genus, followed by Aeromonas, Acinetobacter, Plesiomonas, Vibrio, and ZOR0006 (Firmicutes; 6%). In conclusion, the composition of the intestinal microbiota of zebrafish is consistently determined by two primary phyla, Proteobacteria and Fusobacteria; however, this composition varies depending on the developmental stage. Cetobacterium and Aeromonas are the most relevant genera in juveniles and adults. Finally, these results reveal a consistent pattern of certain bacterial groups in the zebrafish microbiota that could help shape gnotobiotic models (colonized with a specific known bacterial community) or synthetic microbiota (in vitro assembly of microbes), among other approaches.
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Affiliation(s)
- Estefanía Garibay-Valdez
- Biology of Aquatic Organisms, Centro de Investigación en Alimentación y Desarrollo, A.C., Hermosillo, Sonora, Mexico
| | | | - Francisco Vargas-Albores
- Biology of Aquatic Organisms, Centro de Investigación en Alimentación y Desarrollo, A.C., Hermosillo, Sonora, Mexico
| | - Marcel Martínez-Porchas
- Biology of Aquatic Organisms, Centro de Investigación en Alimentación y Desarrollo, A.C., Hermosillo, Sonora, Mexico.
| | | | | | - Luis Rafael Martínez-Córdova
- Departamento de Investigaciones Científicas y Tecnológicas de la Universidad de Sonora, Universidad de Sonora, Hermosillo, Sonora, Mexico
| | - Francesco Cicala
- IRSA Verbania, Consiglio Nazionale delle Ricerche-Verbania, Italy
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La Pietra A, Imperatore R, Coccia E, Mobilio T, Ferrandino I, Paolucci M. Comparative Study of Condensed and Hydrolysable Tannins during the Early Stages of Zebrafish Development. Int J Mol Sci 2024; 25:7063. [PMID: 39000172 PMCID: PMC11241311 DOI: 10.3390/ijms25137063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/17/2024] [Accepted: 06/24/2024] [Indexed: 07/16/2024] Open
Abstract
In this study, we present data on the effects of condensed tannins (CTs) and hydrolysable tannins (HTs), polyphenols extracted from plants, at different concentrations on zebrafish development to identify the range of concentrations with toxic effects. Zebrafish embryos were exposed to CTs and HTs at two different concentration ranges (5.0-20.0 μgL-1 and 5.0-20.0 mgL-1) for 72 h. The toxicity parameters were observed up to 72 h of treatment. The uptake of CTs and HTs by the zebrafish larvae was assessed via HPLC analysis. A qRT-PCR analysis was performed to evaluate the expressions of genes cd63, zhe1, and klf4, involved in the hatching process of zebrafish. CTs and HTs at 5.0, 10.0, and 20.0 μgL-1 were not toxic. On the contrary, at 5.0, 10.0, and 20.0 mgL-1, HTs induced a delay in hatching starting from 48 h of treatment, while CTs showed a delay in hatching mainly at 48 h. The analysis of gene expression showed a downregulation in the group exposed to HTs, confirming the hatching data. We believe that this study is important for defining the optimal doses of CTs and HTs to be employed in different application fields such as the chemical industry, the animal feed industry, and medical science.
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Affiliation(s)
| | - Roberta Imperatore
- Department of Sciences and Technologies, University of Sannio, 82100 Benevento, Italy
| | - Elena Coccia
- Department of Sciences and Technologies, University of Sannio, 82100 Benevento, Italy
| | - Teresa Mobilio
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | - Ida Ferrandino
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | - Marina Paolucci
- Department of Sciences and Technologies, University of Sannio, 82100 Benevento, Italy
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Sateriale D, Forgione G, De Cristofaro GA, Continisio L, Pagliuca C, Colicchio R, Salvatore P, Paolucci M, Pagliarulo C. Eco-Friendly Sanitization of Indoor Environments: Effectiveness of Thyme Essential Oil in Controlling Bioaerosol Levels and Disinfecting Surfaces. BIOTECH 2024; 13:12. [PMID: 38804294 PMCID: PMC11130963 DOI: 10.3390/biotech13020012] [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: 03/23/2024] [Revised: 04/18/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
Bioaerosols and pathogens in indoor workplaces and residential environments are the primary culprits of several infections. Techniques for sanitizing air and surfaces typically involve the use of UV rays or chemical sanitizers, which may release chemical residues harmful to human health. Essential oils, natural substances derived from plants, which exhibit broad antimicrobial properties, could be a viable alternative for air and surface sanitation. The objective of this study has been to investigate the efficacy of thyme essential oil (TEO) in environmental sanitation processes. In Vitro assays through agar well diffusion, disk volatilization and tube dilution methods revealed significant antimicrobial activity of TEO 100% against foodborne and environmental isolates, with both bacteriostatic/fungistatic and bactericidal/fungicidal effects. Therefore, aqueous solutions of TEO 2.5% and 5% were formulated for air sanitation through nebulization and surface disinfection via direct contact. Bioaerosol samples and surface swabs were analyzed before and after sanitation, demonstrating the efficacy of aqueous solutions of TEO in reducing mesophilic and psychrophilic bacteria and environmental fungi levels in both air and on surfaces. The obtained results prove the antimicrobial potential of aqueous solutions of TEO in improving indoor air quality and surface cleanliness, suggesting thyme essential oil as an effective and safe natural sanitizer with minimal environmental impact compared to dangerous chemical disinfectants.
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Affiliation(s)
- Daniela Sateriale
- Department of Science and Technology, University of Sannio, Via F. De Sanctis Snc, 82100 Benevento, Italy; (D.S.); (G.F.); (G.A.D.C.); (M.P.)
| | - Giuseppina Forgione
- Department of Science and Technology, University of Sannio, Via F. De Sanctis Snc, 82100 Benevento, Italy; (D.S.); (G.F.); (G.A.D.C.); (M.P.)
| | - Giuseppa Anna De Cristofaro
- Department of Science and Technology, University of Sannio, Via F. De Sanctis Snc, 82100 Benevento, Italy; (D.S.); (G.F.); (G.A.D.C.); (M.P.)
| | - Leonardo Continisio
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (L.C.); (C.P.); (R.C.); (P.S.)
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Viale Golgi 19, 27100 Pavia, Italy
| | - Chiara Pagliuca
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (L.C.); (C.P.); (R.C.); (P.S.)
| | - Roberta Colicchio
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (L.C.); (C.P.); (R.C.); (P.S.)
| | - Paola Salvatore
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (L.C.); (C.P.); (R.C.); (P.S.)
- CEINGE-Biotecnologie Avanzate s.c.ar.l., Via G. Salvatore 486, 80145 Naples, Italy
| | - Marina Paolucci
- Department of Science and Technology, University of Sannio, Via F. De Sanctis Snc, 82100 Benevento, Italy; (D.S.); (G.F.); (G.A.D.C.); (M.P.)
| | - Caterina Pagliarulo
- Department of Science and Technology, University of Sannio, Via F. De Sanctis Snc, 82100 Benevento, Italy; (D.S.); (G.F.); (G.A.D.C.); (M.P.)
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Žitek Makoter T, Tancer Verboten M, Mirt I, Zupančić K, Cör Andrejč D, Knez Ž, Knez Marevci M. Beneficial Effects of Castanea sativa Wood Extract on the Human Body and Possible Food and Pharmaceutical Applications. PLANTS (BASEL, SWITZERLAND) 2024; 13:914. [PMID: 38611444 PMCID: PMC11013190 DOI: 10.3390/plants13070914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 03/07/2024] [Accepted: 03/09/2024] [Indexed: 04/14/2024]
Abstract
The aim of this review was to investigate the potential use of Castanea sativa wood extract as a food supplement and to evaluate its beneficial properties for human health. The results of the limited amount of studies suggest promising properties, including potential anti-inflammatory effects. The literature indicates that the extract, which is rich in bioactive compounds such as tannins, offers promising therapeutic possibilities for the treatment of conditions associated with chronic inflammation. Consequently, interest in its use in food and pharmaceuticals is growing. Phytochemical studies have reported antioxidant and antimicrobial activities, and anti-inflammatory, anticancer, hypolipidemic, hypoglycemic, and neuroprotective activities. A suitable extraction method and solvent is crucial for the isolation of bioactive compounds, being green extraction technologies outstanding for the industrial recovery of chestnut wood's bioactive compounds. Nevertheless, it is important to emphasize the importance of adhering to regulatory guidelines and obtaining the necessary approvals from regulatory authorities to ensure product safety and compliance. The regulation of herbal medicinal products with proven efficacy and traditional herbal medicinal products is well defined, monitored by authorized bodies, and subject to strict control measures. It is noteworthy that medicinal products are subject to stringent quality testing to ensure safety and efficacy in use, whereas there are no comparable regulatory standards and specific labeling requirements for dietary supplements. When using herbal products, compliance with established standards in health research is essential.
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Affiliation(s)
- Taja Žitek Makoter
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, SI-2000 Maribor, Slovenia; (T.Ž.M.); (D.C.A.); (Ž.K.)
- Faculty of Medicine, University of Maribor, Taborska 8, SI-2000 Maribor, Slovenia
| | | | - Ivan Mirt
- Tanin Sevnica, Hermanova 1, SI-8290 Sevnica, Slovenia; (I.M.); (K.Z.)
| | - Katarina Zupančić
- Tanin Sevnica, Hermanova 1, SI-8290 Sevnica, Slovenia; (I.M.); (K.Z.)
| | - Darija Cör Andrejč
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, SI-2000 Maribor, Slovenia; (T.Ž.M.); (D.C.A.); (Ž.K.)
| | - Željko Knez
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, SI-2000 Maribor, Slovenia; (T.Ž.M.); (D.C.A.); (Ž.K.)
- Faculty of Medicine, University of Maribor, Taborska 8, SI-2000 Maribor, Slovenia
| | - Maša Knez Marevci
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, SI-2000 Maribor, Slovenia; (T.Ž.M.); (D.C.A.); (Ž.K.)
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Gandhi GR, Mohana T, Athesh K, Hillary VE, Vasconcelos ABS, Farias de Franca MN, Montalvão MM, Ceasar SA, Jothi G, Sridharan G, Gurgel RQ, Xu B. Anti-inflammatory natural products modulate interleukins and their related signaling markers in inflammatory bowel disease: A systematic review. J Pharm Anal 2023; 13:1408-1428. [PMID: 38223446 PMCID: PMC10785269 DOI: 10.1016/j.jpha.2023.09.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 01/16/2024] Open
Abstract
This review aims to identify in vivo studies investigating the potential of plant substances and their natural molecules in managing inflammatory bowel disease (IBD). Specifically, the objective is to examine the impact of these substances on interleukins and other key inflammatory signaling markers. Relevant articles published up to December 2022 were identified through a search of the PubMed, Scopus, Web of Science, and Embase databases. The search used keywords including "inflammatory bowel disease", "medicinal plants", "natural molecules", "anti-inflammatory", and "ulcerative colitis", and identified 1,878 potentially relevant articles, of which 89 were included in this review after completion of the selection process. This study provides preclinical data on natural products (NPs) that can potentially treat IBD, including ulcerative colitis. The main actions of these NPs relate to their effects on nuclear factor kappa B (NF-κB), the Janus kinase (JAK)/signal transducer and activator of transcription (STAT) signaling pathway, the regulation of T helper 17/regulatory T cells balance, and oxidative stress. The ability of these NPs to inhibit intestinal inflammation appears to be dependent on lowering levels of the pro-inflammatory cytokines tumor necrosis factor-alpha (TNF-α), interleukin (IL)-1β, and IL-17, via the Jun N-terminal kinase (JNK)1, NF-κβ-p65, and STAT3 pathways. In addition, NPs were shown to reduce oxidative stress and the severity of ulcerative colitis, as well as increase the activity of antioxidant enzymes. These actions suggest that NPs represent a promising treatment for IBD, and potentially have greater efficacy and safety than current treatments.
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Affiliation(s)
- Gopalsamy Rajiv Gandhi
- Division of Phytochemistry and Drug Design, Department of Biosciences, Rajagiri College of Social Sciences (Autonomous), Kalamaserry, Kochi, 683104, Kerala, India
| | - Thiruchenduran Mohana
- Department of Biochemistry, Meenakshi Ammal Dental College and Hospital (MAHER), Maduravoyal, 600095, Chennai, Tamil Nadu, India
| | - Kumaraswamy Athesh
- Department of Biochemistry, Srimad Andavan Arts and Science College (Autonomous), Affiliated to Bharathidasan University, Tiruchirapalli, 620005, Tamil Nadu, India
| | - Varghese Edwin Hillary
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences (Autonomous), Kalamaserry, Kochi, 683104, Kerala, India
| | - Alan Bruno Silva Vasconcelos
- Laboratory of Biology and Immunology of Cancer and Leishmania, Department of Morphology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Mariana Nobre Farias de Franca
- Laboratory of Biology and Immunology of Cancer and Leishmania, Department of Morphology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
- Postgraduate Program in Health Sciences (PPGCS), Federal University of Sergipe (UFS), Campus Prof. João Cardoso Nascimento, Aracaju, CEP 49060.108, Sergipe, Brazil
| | - Monalisa Martins Montalvão
- Laboratory of Biology and Immunology of Cancer and Leishmania, Department of Morphology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
- Postgraduate Program in Health Sciences (PPGCS), Federal University of Sergipe (UFS), Campus Prof. João Cardoso Nascimento, Aracaju, CEP 49060.108, Sergipe, Brazil
| | - Stanislaus Antony Ceasar
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences (Autonomous), Kalamaserry, Kochi, 683104, Kerala, India
| | - Gnanasekaran Jothi
- Department of Biochemistry, Srimad Andavan Arts and Science College (Autonomous), Affiliated to Bharathidasan University, Tiruchirapalli, 620005, Tamil Nadu, India
| | - Gurunagarajan Sridharan
- Department of Biochemistry, Srimad Andavan Arts and Science College (Autonomous), Affiliated to Bharathidasan University, Tiruchirapalli, 620005, Tamil Nadu, India
| | - Ricardo Queiroz Gurgel
- Postgraduate Program in Health Sciences (PPGCS), Federal University of Sergipe (UFS), Campus Prof. João Cardoso Nascimento, Aracaju, CEP 49060.108, Sergipe, Brazil
| | - Baojun Xu
- Programme of Food Science and Technology, Department of Life Sciences, BNU-HKBU United International College, Zhuhai, Guangdong, 519087, China
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Dietary Supplementation with a Blend of Hydrolyzable and Condensed Tannins Ameliorates Diet-Induced Intestinal Inflammation in Zebrafish ( Danio rerio). Animals (Basel) 2022; 13:ani13010167. [PMID: 36611775 PMCID: PMC9818001 DOI: 10.3390/ani13010167] [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: 11/20/2022] [Revised: 12/17/2022] [Accepted: 12/29/2022] [Indexed: 01/04/2023] Open
Abstract
The current study evaluated the effects of hydrolyzable and condensed tannins from chestnut and quebracho wood, respectively (TSP, Silvafeed®), on zebrafish with intestinal inflammation induced by a plant-based diet (basal diet). Four experimental diets were prepared as follows: the basal diet + 0 TSP, the basal diet + TSP at 0.9 g/kg of feed, the basal diet + TSP at 1.7 g/kg of feed, and the basal diet + TSP at 3.4 g/kg of feed. Eighty-four zebrafish (Danio rerio) were fed for 12 days with the experimental diets. In zebrafish fed the basal diet, intestine integrity appeared to be altered, with damaged intestinal villi, high immunoexpression of tumor necrosis factor-α (TNFα) and cyclooxygenase 2 (COX2), and high expression of the cox2, interleukin 1 (il-1b), interleukin 8 (cxcl8-l1), and tnfα genes. The tannin treatment partially restored intestinal morphology and downregulated the expression of cytokines. The best activity was detected with 1.7 and 3.4 g/kg of feed. In the guts of all groups, Proteobacteria, Fusobacteria, Firmicutes, and Bacteroidetes were the most represented phyla. The most represented genera were Plesiomonas and Sphingomonas, belonging to the Proteobacteria phylum; Cetobacterium, belonging to the Fusobacteria phylum; and Lactobacillus, belonging to the Firmicutes phylum. No significant differences were detected among groups, except for a slight decrease in the Fusobacteria phylum and slight increases in the Shewanella and Bacteroides genera with TSP. In conclusion, these results suggest that tannins can improve the zebrafish intestinal inflammation caused by a terrestrial-plant-based diet in a dose-dependent manner.
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Wang X, Qi Y, Zheng H. Dietary Polyphenol, Gut Microbiota, and Health Benefits. Antioxidants (Basel) 2022; 11:antiox11061212. [PMID: 35740109 PMCID: PMC9220293 DOI: 10.3390/antiox11061212] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/11/2022] [Accepted: 06/17/2022] [Indexed: 02/06/2023] Open
Abstract
Polyphenols, which are probably the most important secondary metabolites produced by plants, have attracted tremendous attention due to their health-promoting effects, including their antioxidant, anti-inflammatory, antibacterial, anti-adipogenic, and neuro-protective activities, as well as health properties. However, due to their complicated structures and high molecular weights, a large proportion of dietary polyphenols remain unabsorbed along the gastrointestinal tract, while in the large intestine they are biotransformed into bioactive, low-molecular-weight phenolic metabolites through the residing gut microbiota. Dietary polyphenols can modulate the composition of intestinal microbes, and in turn, gut microbes catabolize polyphenols to release bioactive metabolites. To better investigate the health benefits of dietary polyphenols, this review provides a summary of their modulation through in vitro and in vivo evidence (animal models and humans), as well as their possible actions through intestinal barrier function and gut microbes. This review aims to provide a basis for better understanding the relationship between dietary polyphenols, gut microbiota, and host health.
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