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Jakobek L, Pöc K, Valenteković M, Matić P. The Behavior of Phenolic Compounds from Apples during Simulated Gastrointestinal Digestion with Focus on Chlorogenic Acid. Foods 2024; 13:693. [PMID: 38472806 DOI: 10.3390/foods13050693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/05/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
The fate of phenolic compounds during digestion is important for their bioactive effects in the digestive tract. The aim was to study the various phenolic compounds occurring in the peel and flesh of apples in in vitro simulated gastrointestinal digestion, focusing on the behavior of chlorogenic acids. Additionally, the behavior of individual chlorogenic acids (chlorogenic, neochlorogenic, and cryptochlorogenic) was studied in models of simulated salivary, gastric, and intestinal fluid electrolyte solutions (SSF, SGF, SIF). At the end of the intestinal phase of the digestion of peel and flesh, the amount of recovered dihydrochalcones and flavonols increased or was similar to the amount in the gastric phase, which showed their stability. Anthocyanins and flavan-3-ols decreased, which suggests their biotransformation. Chlorogenic acid isomerized into neochlorogenic and cryptochlorogenic acid: chlorogenic acid from the peel into 22% and 41% of the isomers in the salivary and intestinal phases, respectively; chlorogenic acid from the flesh into 12% of the isomers in the intestinal phase. Similarly, chlorogenic acid isomerized in model solutions (20% and 26% of the isomers in SSF and SIF, respectively). Neochlorogenic and cryptochlorogenic acid isomerized in SSF and SIF into other two forms. They were all stable in SGF. For bioactive effects in the digestive tract, the biotransformation of chlorogenic acids should be considered.
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Affiliation(s)
- Lidija Jakobek
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31 000 Osijek, Croatia
| | - Kristina Pöc
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31 000 Osijek, Croatia
| | - Matea Valenteković
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31 000 Osijek, Croatia
| | - Petra Matić
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31 000 Osijek, Croatia
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Sindi AM, Zaman U, Saleh EAM, Kassem AF, Rahman KU, Khan SU, Alharbi M, Rizg WY, Omar KM, Majrashi MAA, Safhi AY, Abdelrahman EA. Biochemical and thermodynamic properties of de novo synthesized urease from Vicia sativa seeds with enhanced industrial applications. Int J Biol Macromol 2024; 259:129190. [PMID: 38185304 DOI: 10.1016/j.ijbiomac.2023.129190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/14/2023] [Accepted: 12/31/2023] [Indexed: 01/09/2024]
Abstract
Urease is one of the most significant enzymes in the industry. The objective of this research was to isolate and partially purify urease from Vicia sativa seeds with urease characterization. With a 6.4 % yield, the purification fold was 9.0. By using chromatography, it was determined that the isolated urease had a molecular weight of 55 kDa. The maximum urease activity was found following a 60-s incubation period at 40 °C and pH 8. The activity of urease was significantly boosted by a mean of calcium, barium, DL-dithiothreitol, Na2EDTA, and citrate (16.9, 26.6, 18.6, 13.6, and 31 %), respectively. But nickel and mercury caused inhibitory effects and completely inhibited urease activity, indicating the presence of a thiol (-SH) group in the enzyme active site. The Arrhenius plot was used to analyze the thermodynamic constants of activation, Ea, ΔH*, ΔG*, and ΔS*. The results showed that the values were 30 kJ/mol, 93.14 kJ/mol, 107.17 kJ/mol/K, and -40.80 J/mol/K, respectively. The significance of urease extraction from various sources may contribute to our understanding of the metabolism of urea in plants. The current report has novelty as it explained for the first time the kinetics and thermodynamics of hydrolysis of urea and inactivation of urease from V. sativa seeds.
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Affiliation(s)
- Amal M Sindi
- Department of Oral Diagnostic Sciences, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Umber Zaman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, Pakistan
| | - Ebraheem Abdu Musad Saleh
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Asmaa F Kassem
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia; Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Khalil Ur Rahman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, Pakistan.
| | - Shahid Ullah Khan
- Integrative Science Centre of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and Biotechnology, Southwest University, Beibei, Chongqing 400715, China; Department of Biochemistry, Women Medical and Dental College, Khyber Medical University KP, Pakistan
| | - Majed Alharbi
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Waleed Y Rizg
- Center of Innovation in Personalized Medicine (CIPM), 3D Bioprinting Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Khaled Mohamed Omar
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammed Ali A Majrashi
- Department of Pharmacology, College of Medicine, University of Jeddah, Jeddah 23890, Saudi Arabia
| | - Awaji Y Safhi
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Ehab A Abdelrahman
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; Chemistry Department, Faculty of Science, Benha University, Benha 13518, Egypt
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Jakobek L, Matić P. Phenolic Compounds from Apples: From Natural Fruits to the Beneficial Effects in the Digestive System. Molecules 2024; 29:568. [PMID: 38338313 PMCID: PMC10856038 DOI: 10.3390/molecules29030568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/18/2024] [Accepted: 01/18/2024] [Indexed: 02/12/2024] Open
Abstract
Conditions in the gastrointestinal tract and microbial metabolism lead to biotransformation of parent, native phenolic compounds from apples into different chemical forms. The aim of this work was to review current knowledge about the forms of phenolic compounds from apples in the gastrointestinal tract and to connect it to their potential beneficial effects, including the mitigation of health problems of the digestive tract. Phenolic compounds from apples are found in the gastrointestinal tract in a variety of forms: native (flavan-3-ols, phenolic acids, flavonols, dihydrochalcones, and anthocyanins), degradation products, various metabolites, and catabolites. Native forms can show beneficial effects in the stomach and small intestine and during the beginning phase of digestion in the colon. Different products of degradation and phase II metabolites can be found in the small intestine and colon, while catabolites might be important for bioactivities in the colon. Most studies connect beneficial effects for different described health problems to the whole apple or to the amount of all phenolic compounds from apples. This expresses the influence of all native polyphenols from apples on beneficial effects. However, further studies of the peculiar compounds resulting from native phenols and their effects on the various parts of the digestive tract could provide a better understanding of the specific derivatives with bioactivity in humans.
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Affiliation(s)
- Lidija Jakobek
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, HR 31000 Osijek, Croatia;
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Pawar VS, Bhande D, Pawar SD, Mudila H, Kaushik A, Kumar A. Investigating purification and activity analysis of urease enzyme extracted from jack bean source: A green chemistry approach. Anal Biochem 2022; 659:114925. [PMID: 36181866 DOI: 10.1016/j.ab.2022.114925] [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: 07/24/2022] [Revised: 09/15/2022] [Accepted: 09/19/2022] [Indexed: 12/14/2022]
Abstract
Urease is an enzyme of historical importance in the field of biochemistry, generally microbial and plant urease is the primary sources of urease. The significant applications of urease enzyme are found to be foremost in food industry, medical equipment's and biosensors. In this work, urease has been extracted from Jack bean meal using ammonium sulphate and acetone precipitation. A significant amount of urease was precipitated and concentrated at 60% saturated solution of ammonium sulphate. The obtained precipitates were dissolved in 50 mM phosphate buffer (pH 8) after centrifugation, and subjected to sodium dodecyl-sulphate polyacrylamide gel electrophoresis (SDS-PAGE) to determine the molecular weight of urease. Results obtained from the SDS-PAGE were validated using Zymography. Anion exchange chromatography was used to separate the desired protein at different pH (7.0, 7.5 and 8.0). The eluted fractions were assessed for urease activity using phenol-nitroprusside dependent ammonia release assay. Under these assay conditions, one unit of urease activity was calibrated as the amount of enzyme liberating 1 μM of NH3 from urea per unit time. The eluted fraction and Zymography analysis show the purified urease observed at 90 kDa and activity of purified urease, respectively. The obtained results for specific activity (173.67Units mg) and % purification (99.71%) for urease has been compared with the available literature, which are found to be in close relation with existing results. The proposed method is a novel approach which has recorded highest % purification and specific activity. Furthermore, it can be suitable for extracting urease from jack bean source for various industrial applications.
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Affiliation(s)
- Varsha S Pawar
- Department of Chemistry, Lovely Professional University, Phagwara, 144411, India; Department of Humanities and Applied Science, Anjuman-I- Islam Kalsekar, Technical Campus, New Panvel, Maharashtra, 410206, India
| | - Dhanashree Bhande
- Protein Characterization Laboratory, National Facility for Biopharmaceutical, GN Khalsa College, Matunga, Mumbai, 400019, India
| | - Shivaji D Pawar
- Department of Computer Science and Engineering, Amity University, Mumbai, 410206, India
| | - Harish Mudila
- Department of Chemistry, Lovely Professional University, Phagwara, 144411, India
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Environmental Engineering Florida Polytechnic University, Lakeland, FL, 33805, United States; School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248007, India.
| | - Anil Kumar
- Department of Chemistry, Lovely Professional University, Phagwara, 144411, India.
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Polyphenol Mechanisms against Gastric Cancer and Their Interactions with Gut Microbiota: A Review. Curr Oncol 2022; 29:5247-5261. [PMID: 35892986 PMCID: PMC9332243 DOI: 10.3390/curroncol29080417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/20/2022] [Accepted: 07/22/2022] [Indexed: 12/14/2022] Open
Abstract
The lack of new drugs and resistance to existing drugs are serious problems in gastric cancer(GC) treatment. The research found polyphenols possess anti-Helicobacter pylori(Hp) and antitumor activities and may be used in the research and development of drugs for cancer prevention and treatment. However, polyphenols are affected by their chemical structures and physical properties, which leads to relatively low bioavailability and bioactivity in vivo. The intestinal flora can improve the absorption, utilization, and biological activity of polyphenols, whereas polyphenol compounds can increase the richness of the intestinal flora, reduce the activity of carcinogenic bacteria, stabilize the proportion of core flora, and maintain homeostasis of the intestinal microenvironment. Our review summarizes the gastrointestinal flora-mediated mechanisms of polyphenol against GC.
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Bashir K, Naz S, Rasheed HM, Farooq U, Shah AJ, McCauley EP, Crews P, Khan T. Tandem high resolution mass spectrometry based phytochemical composition of Sauromatum guttatum tubers and its enzyme inhibitory potential with molecular docking. J Chromatogr A 2022; 1672:463055. [DOI: 10.1016/j.chroma.2022.463055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/16/2022]
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El-Sherbiny GM, Elbestawy MKM. A review – plant essential oils active against Helicobacter pylori. JOURNAL OF ESSENTIAL OIL RESEARCH 2022. [DOI: 10.1080/10412905.2022.2025464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Gamal M. El-Sherbiny
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
| | - Mahmoud K. M. Elbestawy
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
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Trujillo-Mayol I, Viegas O, Sobral MMC, Casas-Forero N, Fiallos N, Pastene-Navarrete E, Faria MA, Alarcón-Enos J, Pinho O, Ferreira IMPLVO. In vitro gastric bioaccessibility of avocado peel extract in beef and soy-based burgers and its impact on Helicobacter pylori risk factors. Food Chem 2021; 373:131505. [PMID: 34772570 DOI: 10.1016/j.foodchem.2021.131505] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 10/05/2021] [Accepted: 10/28/2021] [Indexed: 11/24/2022]
Abstract
The objective of the present study was to investigate the impact of phenolic-rich avocado peel extract (APE) as an ingredient in beef and soy-based burgers to increase their antioxidant activity, reduce lipid and protein oxidation during gastric digestion, and inhibit urease and anhydrase carbonic activity, which are considered as key factors in the main steps of Helicobacter pylori adhesion in the stomach. The gastric bioaccessible fraction of soy and beef burgers with added 0.5% APE obtained by in vitro digestion exhibited a higher content of phenolic compounds, including monomeric and oligomeric (epi)catechin forms and quercetin, and reduced levels of thiobarbituric acid-reactive substances (TBARS) and carbonyls (49% to 73% and 57% to 60%, respectively) when compared with control burgers. Moreover, the burgers with APE inhibited urease and carbonic anhydrase activity. Results generally showed that including APE reduces the primary risk factors associated with H. pylori infection.
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Affiliation(s)
- Igor Trujillo-Mayol
- Agriculture and Food Research Center, Food Science and Technology Program, Universidad del Valle de Guatemala, 18 Av. 11-95 Zona 15, Guatemala City, Guatemala.
| | - Olga Viegas
- LAQV/REQUIMTE, Laboratory of Bromatology and Hydrology, Department of Chemical Sciences, Universidade do Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, Universidade do Porto, Porto, Portugal
| | - M Madalena C Sobral
- LAQV/REQUIMTE, Laboratory of Bromatology and Hydrology, Department of Chemical Sciences, Universidade do Porto, Porto, Portugal
| | - Nidia Casas-Forero
- Department of Food Engineering, Universidad del Bío-Bío, Av. Andrés Bello 720, Chillán, Chile
| | - Nandis Fiallos
- Department of Food Engineering, Universidad del Bío-Bío, Av. Andrés Bello 720, Chillán, Chile
| | - Edgar Pastene-Navarrete
- Laboratory of Synthesis and Biotransformation of Natural Products, Faculty of Science, Universidad del Bío-Bío, Chillán, Chile
| | - Miguel A Faria
- LAQV/REQUIMTE, Laboratory of Bromatology and Hydrology, Department of Chemical Sciences, Universidade do Porto, Porto, Portugal
| | - Julio Alarcón-Enos
- Laboratory of Synthesis and Biotransformation of Natural Products, Faculty of Science, Universidad del Bío-Bío, Chillán, Chile
| | - Olívia Pinho
- LAQV/REQUIMTE, Laboratory of Bromatology and Hydrology, Department of Chemical Sciences, Universidade do Porto, Porto, Portugal; Faculty of Nutrition and Food Sciences, Universidade do Porto, Porto, Portugal
| | - Isabel M P L V O Ferreira
- LAQV/REQUIMTE, Laboratory of Bromatology and Hydrology, Department of Chemical Sciences, Universidade do Porto, Porto, Portugal
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Fuentes J, Brunser O, Atala E, Herranz J, de Camargo AC, Zbinden-Foncea H, Speisky H. Protection against indomethacin-induced loss of intestinal epithelial barrier function by a quercetin oxidation metabolite present in onion peel: In vitro and in vivo studies. J Nutr Biochem 2021; 100:108886. [PMID: 34670110 DOI: 10.1016/j.jnutbio.2021.108886] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/23/2021] [Accepted: 09/27/2021] [Indexed: 02/08/2023]
Abstract
Oxidative stress is directly implicated in the loss of intestinal epithelial barrier function (IEBF) induced by non-steroidal anti-inflammatory drugs (NSAIDs). Previous studies by our research team demonstrated that 2-(3,4-dihydroxybenzoyl)-2,4,6-trihydroxy-3(2H)-benzofuranone (BZF), a quercetin oxidation metabolite that naturally occurs in onion peels, exhibits an antioxidant potency notably higher than quercetin. Thus, we assessed the potential of BZF and a BZF-rich onion peel aqueous extract (OAE) to protect against the loss of IEBF in Caco-2 cell monolayers and in rats exposed to indomethacin. In vitro, pure BZF and OAE standardized in BZF (100 nM), protected against the drop in transepithelial electrical resistance by 70 - 73%. Likewise, it prevented the increase in fluorescein-isothiocyanate labelled dextran (FITC-dextran) paracellular transport by 74% and oxidative stress by 84 - 86%. In vivo, BZF, given orally at a dose 80 µg/Kg bw as OAE, totally abolished a 30-fold increase in FITC-dextran serum concentration induced by indomethacin. This effect was dose-dependent and largely conserved (85%) when OAE was given 180-min prior to indomethacin. The IEBF-protective effect of OAE was accompanied by a full prevention of the NF-ĸB activation, and the increases in interleukine-8 secretion and myeloperoxidase activity induced by indomethacin. The protection was also associated with a 21-fold increase in Nrf2, and a 7-fold and 9-fold increase in heme oxygenase-1 and NAD(P)H-quinone oxidoreductase 1, respectively. The IEBF-protecting effect of OAE involves, most likely, its dual capacity to activate Nrf2 while inhibiting NF-ĸB activation. The extremely low doses of BZF needed to promote such actions warrants extending its IEBF-protective effects to other NSAIDs.
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Affiliation(s)
- Jocelyn Fuentes
- School of Kinesiology, Universidad Finis Terrae, Santiago, Chile; Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile.
| | - Oscar Brunser
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile
| | - Elías Atala
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile
| | - José Herranz
- Hospital Clínico Universidad de Chile, University of Chile, Santiago, Chile
| | - Adriano Costa de Camargo
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile
| | | | - Hernán Speisky
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile.
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Fuentes J, de Camargo AC, Atala E, Gotteland M, Olea-Azar C, Speisky H. Quercetin Oxidation Metabolite Present in Onion Peel Protects Caco-2 Cells against the Oxidative Stress, NF-kB Activation, and Loss of Epithelial Barrier Function Induced by NSAIDs. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:2157-2167. [PMID: 33591188 DOI: 10.1021/acs.jafc.0c07085] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The potential of 2-(3,4-dihydroxybenzoyl)-2,4,6-trihydroxy-3(2H)-benzofuranone (BZF), a quercetin oxidation metabolite, and that of a BZF-rich onion peel aqueous extract (OAE) to protect Caco-2 monolayers against the oxidative stress (OS) and an increased permeability (IP) induced by five nonsteroidal anti-inflammatory drugs (NSAIDs) (indomethacin, diclofenac, piroxicam, ibuprofen, and metamizole) were investigated. Under identical OS conditions, the NSAIDs substantially differed in their ability to induce an IP and/or NF-kB activation. The OAE (100 nM BZF) protected in identical magnitude (84-86%) against OS but in a highly dissimilar manner against the IP (18-73%). While all NSAIDs activated NF-kB, the OAE prevented only that induced by indomethacin. Results reveal that the IP has no direct relationship with the OS and that with the exception of indomethacin, the prevention of NSAIDs-induced OS and/or NF-kB activation plays no fundamental role in the IP-protecting effect of OAE. These results warrant the in vivo evaluation of OAE against indomethacin-induced loss of intestinal barrier function.
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Affiliation(s)
- Jocelyn Fuentes
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Adriano Costa de Camargo
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Elías Atala
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Martín Gotteland
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380453, Chile
| | - Claudio Olea-Azar
- Department of Inorganic and Analytical Chemistry, Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Santiago 8380000, Chile
| | - Hernán Speisky
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
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Starowicz M, Piskuła M, Achrem–Achremowicz B, Zieliński H. Phenolic Compounds from Apples: Reviewing their Occurrence, Absorption, Bioavailability, Processing, and Antioxidant Activity – a Review. POL J FOOD NUTR SCI 2020. [DOI: 10.31883/pjfns/127635] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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12
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Aguiar BAA, Bueno FG, Panizzon G, Silva DBD, Athaydes BR, Gonçalves RDCR, Kitagawa RR, Marques LLM, Paula MND, Antonelli-Ushirobira TM, Medeiros DCD, Mello JCPD. Chemical analysis of the semipurified extract of Paullinia cupana and evaluation of in vitro inhibitory effects against Helicobacter pylori. Nat Prod Res 2020; 34:2332-2335. [DOI: 10.1080/14786419.2018.1533825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Bruna Aparecida Alves Aguiar
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
| | - Fernanda Giacomini Bueno
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
| | - Gean Panizzon
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
| | - Denise Brentan da Silva
- Laboratory of Natural Products and Mass Spectrometry, Federal University of Mato Grosso do Sul - UFMS, Campo Grande, MS, Brazil
| | - Brena Ramos Athaydes
- Department of Pharmaceutical Science, Federal University of Espírito Santo - UFES, Vitória, Espírito Santo, ES, Brazil
| | | | - Rodrigo Rezende Kitagawa
- Department of Pharmaceutical Science, Federal University of Espírito Santo - UFES, Vitória, Espírito Santo, ES, Brazil
| | - Leila Larisa Medeiros Marques
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
| | - Mariana Nascimento de Paula
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
| | - Tânia Mara Antonelli-Ushirobira
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
| | - Daniela Cristina de Medeiros
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
| | - João Carlos Palazzo de Mello
- Laboratory of Pharmaceutical Biology, Palafito, Department of Pharmacy, State University of Maringá - UEM, Maringá, PR, Brazil
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The In Vitro Activity of Essential Oils against Helicobacter Pylori Growth and Urease Activity. Molecules 2020; 25:molecules25030586. [PMID: 32013183 PMCID: PMC7037374 DOI: 10.3390/molecules25030586] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 01/21/2020] [Accepted: 01/28/2020] [Indexed: 12/23/2022] Open
Abstract
The anti-H. pylori properties of 26 different commercial essential oils were examined in vitro by MIC (minimal inhibitory concentration) determination for the reference strain H. pylori ATCC 43504. We selected 9 essential oils with different anti-Helicobacter activities and established their phytochemical composition and urease inhibition activities. Phytochemical analysis of the selected essential oils by GC-MS method and antioxidant activity were performed. The phenol red method was used to screen the effect of essential oils on urease activity expressed as IC50 (the half of maximal inhibitory concentration). The most active essential oils, with MIC = 15.6 mg/L, were thyme, lemongrass, cedarwood and lemon balm oils; MIC = 31.3 mg/L—oregano oil; MIC = 62.5 mg/L—tea tree oil; MIC = 125 mg/L—pine needle, lemon and silver fir oils with bactericidal effect. Urease activity was inhibited by these oils with IC50 ranged from 5.3 to > 1049.9 mg/L. The most active was cedarwood oil (IC50 = 5.3 mg/L), inhibiting urease at sub-MIC concentrations (MIC = 15.6 mg/L). The statistical principal component analysis allowed for the division of the oils into three phytochemical groups differing in their anti-H. pylori activity. To summarize, the activity in vitro of the five essential oils silver fir, pine needle, tea tree, lemongrass, and cedarwood oils against H. pylori was found in this paper for the first time. The most active against clinical strains of H. pylori were cedar wood and oregano oils. Moreover, cedarwood oil inhibited the urease activity at subinhibitory concentrations. This essential oil can be regarded as a useful component of the plant preparations supporting the eradication H. pylori therapy.
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Mahomoodally MF, Atalay A, Nancy Picot MC, Bender O, Celebi E, Mollica A, Zengin G. Chemical, biological and molecular modelling analyses to probe into the pharmacological potential of Antidesma madagascariense Lam.: A multifunctional agent for developing novel therapeutic formulations. J Pharm Biomed Anal 2018; 161:425-435. [PMID: 30216791 DOI: 10.1016/j.jpba.2018.09.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 08/28/2018] [Accepted: 09/01/2018] [Indexed: 12/01/2022]
Abstract
Antidesma madagascariense Lam. (AM), an indigenous medicinal plant to the Mascarene Islands, is used for the treatment of several diseases. We endeavoured to validate its use via evaluating the kinetics of inhibition of crude aqueous extract (CAE) and crude methanol extract (CME) of AM against key metabolic enzymes (pancreatic lipase, cholesterol esterase [CEase], acetylcholinesterase [AChE], and urease). In vitro antiglycation, antioxidant, cytotoxicity using iCELLigence real time cell analysis system and WST-1 methods, were used. LC-ESI-MS/MS was employed to determine the phenolic composition of the extracts and interaction of selected compounds to the studied enzymes was determined using in silico docking. AChE was inhibited by the CME of AM and CEase by the CAE. Both extracts were active inhibitors of urease and pancreatic lipase. Hyperoside (271.97 μg/g extract), present in large amount in the CME, docked to the enzymatic pocket of urease and CEase. The extracts showed competitive and mixed inhibition of urease and pancreatic lipase, respectively. The antioxidant capacity of the CME (6.61 μg GAE/mg crude extract) was higher compared to CAE (2.20 μg GAE/mg crude extract). AM extracts were significantly (p < 0.05) less potent than aminoguanidine in preventing advanced glycation end products formation. Toxicological screening revealed that both extracts were non-toxic on HEK-293 cells. AM crude extracts at concentrations ranging from 78 to 312 μg/ml did not cause a visible change in cell morphology compared to control. This study supports the safe use of AM as a biomedicine for the management and/or treatment of common non-communicable diseases.
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Affiliation(s)
| | - Arzu Atalay
- Biotechnology Institute, Ankara University, 06100, Ankara, Turkey
| | - Marie Carene Nancy Picot
- Department of Health Sciences, Faculty of Science, University of Mauritius, 230 Réduit, Mauritius
| | - Onur Bender
- Biotechnology Institute, Ankara University, 06100, Ankara, Turkey
| | - Evrim Celebi
- Biotechnology Institute, Ankara University, 06100, Ankara, Turkey
| | - Adriano Mollica
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, 66100, Chieti, Italy
| | - Gokhan Zengin
- Department of Biology, Science Faculty, Selcuk University, Campus, 42250, Konya, Turkey.
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Delgado LD, Zúñiga PE, Figueroa NE, Pastene E, Escobar-Sepúlveda HF, Figueroa PM, Garrido-Bigotes A, Figueroa CR. Application of a JA-Ile Biosynthesis Inhibitor to Methyl Jasmonate-Treated Strawberry Fruit Induces Upregulation of Specific MBW Complex-Related Genes and Accumulation of Proanthocyanidins. Molecules 2018; 23:molecules23061433. [PMID: 29899259 PMCID: PMC6100305 DOI: 10.3390/molecules23061433] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 06/09/2018] [Accepted: 06/11/2018] [Indexed: 11/16/2022] Open
Abstract
Fleshy fruits are an important source of anthocyanins and proanthocyanidins (PAs), which protect plants against stress, and their consumption provides beneficial effects for human health. In strawberry fruit, the application of exogenous methyl jasmonate (MeJA) upregulates anthocyanin accumulation, although the relationship between the jasmonate pathway and anthocyanin and PA biosynthesis in fruits remains to be understood. Anthocyanin and PA accumulation is mainly regulated at the transcriptional level through R2R3-MYB and bHLH transcription factors in different plant species and organs. Here, the effect of jarin-1, a specific inhibitor of bioactive JA (jasmonoyl-isoleucine, JA-Ile) biosynthesis, on anthocyanin and PA accumulation was evaluated during strawberry (Fragaria × ananassa) fruit development using an in vitro ripening system for 48 h. Also, we observed the effects of MeJA and the application of jarin-1 to MeJA-treated fruits (MeJA + jarin-1 treatment). We assessed changes of expression levels for the JA-Ile and MeJA biosynthetic (FaJAR1.2 and FaJMT), JA signaling-related (FaMYC2 and FaJAZ1), MYB-bHLH-WD40 (MBW) complex-related (FabHLH3/33, FaMYB9/10/11, and repressor FaMYB1), and anthocyanin and PA biosynthetic (FaANS, FaUFGT, FaANR, and FaLAR) genes. In addition, the promoter region of MBW complex-related MYB genes was isolated and sequenced. We found a higher redness of strawberry fruit skin and anthocyanin content in MeJA-treated fruits with respect to jarin-1-treated ones concomitant with an upregulation of FaANS and FaUFGT genes. Inversely, the PA content was higher in jarin-1- and MeJA + jarin-1-treated than in MeJA-treated fruits. MeJA + jarin-1 treatment resulted in an upregulation of FaANR and associated transcription factors such as FabHLH33 and FaMYB9/11 along with FaJMT and FaJAR1.2. Finally, we found JA-responsive elements in the promoter regions of FaMYB1/9/10/11 genes. It is proposed that PA biosynthesis-related genes can be upregulated by the application of jarin-1 to MeJA-treated fruit, thus increasing PA accumulation in strawberry.
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Affiliation(s)
- Laura D Delgado
- Phytohormone Research Laboratory, Institute of Biological Sciences, Universidad de Talca, Talca 3465548, Chile.
| | - Paz E Zúñiga
- Phytohormone Research Laboratory, Institute of Biological Sciences, Universidad de Talca, Talca 3465548, Chile.
| | - Nicolás E Figueroa
- Phytohormone Research Laboratory, Institute of Biological Sciences, Universidad de Talca, Talca 3465548, Chile.
| | - Edgar Pastene
- Laboratorio de Farmacognosia, Faculty of Pharmacy, Universidad de Concepción, Concepción 4070386, Chile.
| | - Hugo F Escobar-Sepúlveda
- Phytohormone Research Laboratory, Institute of Biological Sciences, Universidad de Talca, Talca 3465548, Chile.
| | - Pablo M Figueroa
- Phytohormone Research Laboratory, Institute of Biological Sciences, Universidad de Talca, Talca 3465548, Chile.
| | - Adrián Garrido-Bigotes
- Phytohormone Research Laboratory, Institute of Biological Sciences, Universidad de Talca, Talca 3465548, Chile.
- Faculty of Forest Sciences, Universidad de Concepción, Concepción 4070386, Chile.
| | - Carlos R Figueroa
- Phytohormone Research Laboratory, Institute of Biological Sciences, Universidad de Talca, Talca 3465548, Chile.
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Shapla UM, Raihan J, Islam A, Alam F, Solayman N, Gan SH, Hossen S, Khalil I. Propolis: The future therapy against Helicobacter pylori-mediated gastrointestinal diseases. J Appl Biomed 2018. [DOI: 10.1016/j.jab.2017.10.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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18
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López de Dicastillo C, Bustos F, Valenzuela X, López-Carballo G, Vilariño JM, Galotto MJ. Chilean berry Ugni molinae Turcz. fruit and leaves extracts with interesting antioxidant, antimicrobial and tyrosinase inhibitory properties. Food Res Int 2017; 102:119-128. [PMID: 29195930 DOI: 10.1016/j.foodres.2017.09.073] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 09/20/2017] [Accepted: 09/25/2017] [Indexed: 12/24/2022]
Abstract
The knowledge of the biological properties of fruits and leaves of murta (Ugni molinae Turcz.) has been owned by native Chilean culture. The present study investigated the phenolic content, the antioxidant, antimicrobial and anti-tyrosinase activities of different murta fruit and leaves extracts to approach their uses on future food, pharmaceutical and cosmetic applications. Extractions of murta fruit and leaves were carried out under water, ethanol and ethanol 50%. Phenolic content of these extracts was measured through Folin Ciocalteu test and the antioxidant power by four different antioxidant systems (ORAC, FRAP, DPPH and TEAC assays) owing to elucidate the main mechanism of antioxidant. Some flavonoids, such as rutin, isoquercitrin and quercitrin hydrate were identified and quantified through HPLC analysis. Antimicrobial activity was determined measuring minimum inhibition concentration (MIC) and minimum bactericidal concentration (MBC) values against Escherichia coli and Listeria monocytogenes, and the effect of these extracts on L. monocytogenes was confirmed by flow cytometry. Highest contents of polyphenol compounds were obtained in hydroalcoholic extracts (28±1mggallicacid/g dry fruit, and 128±6mggallicacid/g dry leaves). The same trend was found for the values of biological properties: hydroalcoholic extracts showed the strongest activities. Leaves presented higher antioxidant, antimicrobial and anti-tyrosinase properties than murta fruit. Highest antioxidant activity values according to ORAC, FRAP, TEAC and DPPH were 80±8mgTrolox/g, 70±2mgTrolox/g, 87±8mgTrolox/g and 110±12mgTrolox/g, respectively, for murta fruit samples, and 280±10mgTrolox/g, 192±4mgTrolox/g, 286±13mgTrolox/g and 361±13mgTrolox/g, respectively, for murta leaves. These activities were confirmed by HPLC analysis that revealed highest presence of analyzed compounds on leaves hydroalcoholic extract. Regarding to antimicrobial analysis, hydroalcoholic leaves extract presented the highest activity presenting the lowest MIC value for L. monocytogenes (0.07mg/mL). This extract also performed the highest anti-tyrosinase activity (CE50 values of 1.6±0.3 (g/L) and 8.9±1.2 (g/L) for leaves and fruit, respectively).
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Affiliation(s)
- Carol López de Dicastillo
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Food Packaging Laboratory (LABEN-CHILE), Department of Science and Food Technology, Faculty of Technology, University of Santiago de Chile, Santiago, Chile.
| | - Fernanda Bustos
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Food Packaging Laboratory (LABEN-CHILE), Department of Science and Food Technology, Faculty of Technology, University of Santiago de Chile, Santiago, Chile
| | - Ximena Valenzuela
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Food Packaging Laboratory (LABEN-CHILE), Department of Science and Food Technology, Faculty of Technology, University of Santiago de Chile, Santiago, Chile
| | - Gracia López-Carballo
- Packaging Lab, Instituto de Agroquímica y Tecnología de Alimentos, IATA-CSIC, Av. Agustín Escardino 7, 46980 Paterna, Spain
| | - Jose M Vilariño
- Centro de Investigacións Tecnolóxicas (CIT), Universidad de A Coruña, Campus de Esteiro s/n, 15403 Ferrol, Spain
| | - Maria Jose Galotto
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Food Packaging Laboratory (LABEN-CHILE), Department of Science and Food Technology, Faculty of Technology, University of Santiago de Chile, Santiago, Chile
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Cires MJ, Wong X, Carrasco-Pozo C, Gotteland M. The Gastrointestinal Tract as a Key Target Organ for the Health-Promoting Effects of Dietary Proanthocyanidins. Front Nutr 2017; 3:57. [PMID: 28097121 PMCID: PMC5206694 DOI: 10.3389/fnut.2016.00057] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Accepted: 12/13/2016] [Indexed: 12/11/2022] Open
Abstract
Proanthocyanidins (PACs) are polymers of flavan-3-ols abundant in many vegetable foods and beverages widely consumed in the human diet. There is increasing evidence supporting the beneficial impact of dietary PACs in the prevention and nutritional management of non-communicable chronic diseases. It is considered that PACs with a degree of polymerization >3 remain unabsorbed in the gastrointestinal (GI) tract and accumulate in the colonic lumen. Accordingly, the GI tract may be considered as a key organ for the healthy-promoting effects of dietary PACs. PACs form non-specific complexes with salivary proteins in mouth, originating the sensation of astringency, and with dietary proteins, pancreatic enzymes, and nutrient transporters in the intestinal lumen, decreasing the digestion and absorption of carbohydrates, proteins, and lipids. They also exert antimicrobial activities, interfering with cariogenic or ulcerogenic pathogens in the mouth (Streptococcus mutans) and stomach (Helicobacter pylori), respectively. Through their antioxidant and antiinflammatory properties, PACs decrease inflammatory processes in animal model of gastric and colonic inflammation. Interestingly, they exert prebiotic activities, stimulating the growth of Lactobacillus spp. and Bifidobacterium spp. as well as some butyrate-producing bacteria in the colon. Finally, PACs are also metabolized by the gut microbiota, producing metabolites, mainly aromatic acids and valerolactones, which accumulate in the colon and/or are absorbed into the bloodstream. Accordingly, these compounds could display biological activities on the colonic epithelium or in extra-intestinal tissues and, therefore, contribute to part of the beneficial effects of dietary PACs.
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Affiliation(s)
- María José Cires
- Faculty of Medicine, Department of Nutrition, University of Chile , Santiago , Chile
| | - Ximena Wong
- Faculty of Medicine, Department of Nutrition, University of Chile , Santiago , Chile
| | | | - Martin Gotteland
- Faculty of Medicine, Department of Nutrition, University of Chile, Santiago, Chile; Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile
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Polyphenol extracts interfere with bacterial lipopolysaccharide in vitro and decrease postprandial endotoxemia in human volunteers. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.08.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Minozzo BR, Lemes BM, Justo ADS, Lara JE, Petry VEK, Fernandes D, Belló C, Vellosa JCR, Campagnoli EB, Nunes OC, Kitagawa RR, Avula B, Khan IA, Beltrame FL. Anti-ulcer mechanisms of polyphenols extract of Euphorbia umbellata (Pax) Bruyns (Euphorbiaceae). JOURNAL OF ETHNOPHARMACOLOGY 2016; 191:29-40. [PMID: 27301616 DOI: 10.1016/j.jep.2016.06.032] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 05/17/2016] [Accepted: 06/09/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Euphorbia umbellata (leitosinha) is used in southern Brazilian folk medicine to treat gastric problems, as well as for its analgesic and anti-inflammatory properties. AIM OF STUDY To evaluate the anti-ulcer effects of methanolic bark fraction (MF) against in vivo and in vitro assays, as well as an antioxidant, antibacterial and chromatographic study of this fraction. MATERIALS AND METHODS In vivo anti-ulcer activity was performed using ethanol and indomethacin models with different MF concentrations (50, 100 or 200mg/Kg). The stomachs of the animals were applied to histological evaluation, and the serum to evaluate the ABTS(•+) radical capture. The 200mg/Kg dose was used to analyze the mechanisms involved in antiulcerogenic properties of methanolic fraction. The in vitro activity was performed using several different antioxidant assays, in addition to anti-Helicobacter pylori and anti-urease experiments. The chromatographic study was carried out by LC-MS analysis. RESULTS Pharmacological investigation of the MF showed an anti-ulcer potential in ethanol and indomethacin in vivo assays. The material presented a high antioxidant activity for several oxidant in vitro systems (DPPH(•), ABTS(•+), O2(•-), HOCl, TauCl and HRP), as well as an ABTS(•+) capture increasing (7.5%) by the treated animals serum (when compared to the negative control). Prostaglandins, nitric oxide/ cyclic guanosine monophosphate pathway and involvement of the protein components of the glutathione complex are some of the mechanisms related with this potential anti-ulcer action. The histological examination of the stomachs of the animals showed that the MF also prevents local action of offensive agents. Chemical analysis using LC-QTOF-MS revealed the presence of ellagic and gallic acid derivatives and flavonols. CONCLUSION The findings provide scientific basis to the ethnopharmacological purpose of the studied plant and the biological activities of MF of E. umbellata stem bark may be due to the presence of phenolic compounds.
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Affiliation(s)
- Bruno Rodrigo Minozzo
- Department of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil.
| | - Bruna Mikulis Lemes
- Department of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil
| | - Aline da Silva Justo
- Department of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil
| | - Jheniffer Ellen Lara
- Department of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil
| | | | - Daniel Fernandes
- Department of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil
| | - Caroline Belló
- Department of Clinical and Toxicological Analysis, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil
| | - José Carlos Rebuglio Vellosa
- Department of Clinical and Toxicological Analysis, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil
| | - Eduardo Bauml Campagnoli
- Department of Odontology, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil
| | - Otalíbio Castiglione Nunes
- Department of Pharmaceutical Sciences, Federal University of Espírito Santo, Vitória 29040-090, Espírito Santo, Brazil
| | - Rodrigo Rezende Kitagawa
- Department of Pharmaceutical Sciences, Federal University of Espírito Santo, Vitória 29040-090, Espírito Santo, Brazil
| | - Bharathi Avula
- National Center for Natural Products Research, University of Mississippi, Oxford 38677, MS, USA
| | - Ikhlas Ahmad Khan
- National Center for Natural Products Research, University of Mississippi, Oxford 38677, MS, USA
| | - Flávio Luis Beltrame
- Department of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa 84900-030, Paraná, Brazil.
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Wong X, Carrasco-Pozo C, Escobar E, Navarrete P, Blachier F, Andriamihaja M, Lan A, Tomé D, Cires MJ, Pastene E, Gotteland M. Deleterious Effect of p-Cresol on Human Colonic Epithelial Cells Prevented by Proanthocyanidin-Containing Polyphenol Extracts from Fruits and Proanthocyanidin Bacterial Metabolites. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:3574-3583. [PMID: 27039931 DOI: 10.1021/acs.jafc.6b00656] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The protective effect of proanthocyanidin-containing polyphenol extracts from apples, avocados, cranberries, grapes, or proanthocyanidin microbial metabolites was evaluated in colonic epithelial cells exposed to p-cresol, a deleterious compound produced by the colonic microbiota from l-tyrosine. In HT29 Glc(-/+) cells, p-cresol significantly increased LDH leakage and decreased ATP contents, whereas in Caco-2 cell monolayers, it significantly decreased the transepithelial electrical resistance and increased the paracellular transport of FITC-dextran. The alterations induced by p-cresol in HT29 Glc(-/+) cells were prevented by the extracts from cranberries and avocados, whereas they became worse by extracts from apples and grapes. The proanthocyanidin bacterial metabolites decreased LDH leakage, ameliorating cell viability without improving intracellular ATP. All of the polyphenol extracts and proanthocyanidin bacterial metabolites prevented the p-cresol-induced alterations of barrier function. These results suggest that proanthocyanidin-containing polyphenol extracts and proanthocyanidin metabolites likely contribute to the protection of the colonic mucosa against the deleterious effects of p-cresol.
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Affiliation(s)
- Ximena Wong
- Department of Nutrition, Faculty of Medicine, University of Chile , Independencia 1027, Independencia, Santiago, Chile
| | - Catalina Carrasco-Pozo
- Department of Nutrition, Faculty of Medicine, University of Chile , Independencia 1027, Independencia, Santiago, Chile
| | - Elizabeth Escobar
- Department of Nutrition, Faculty of Medicine, University of Chile , Independencia 1027, Independencia, Santiago, Chile
| | - Paola Navarrete
- Institute of Nutrition and Food Technology (INTA), University of Chile , Santiago, Chile
| | - Franςois Blachier
- INRA/AGROPARISTECH , UMR 914 Nutrition Physiology and Ingestive Behavior, Paris, France
| | - Mireille Andriamihaja
- INRA/AGROPARISTECH , UMR 914 Nutrition Physiology and Ingestive Behavior, Paris, France
| | - Annaig Lan
- INRA/AGROPARISTECH , UMR 914 Nutrition Physiology and Ingestive Behavior, Paris, France
| | - Daniel Tomé
- INRA/AGROPARISTECH , UMR 914 Nutrition Physiology and Ingestive Behavior, Paris, France
| | - Marı́a José Cires
- Department of Nutrition, Faculty of Medicine, University of Chile , Independencia 1027, Independencia, Santiago, Chile
| | - Edgar Pastene
- Laboratory of Pharmacognosy, Faculty of Pharmacy, University of Concepción , Concepción, Chile
| | - Martin Gotteland
- Department of Nutrition, Faculty of Medicine, University of Chile , Independencia 1027, Independencia, Santiago, Chile
- Institute of Nutrition and Food Technology (INTA), University of Chile , Santiago, Chile
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Jakobek L, Barron AR. Ancient apple varieties from Croatia as a source of bioactive polyphenolic compounds. J Food Compost Anal 2016. [DOI: 10.1016/j.jfca.2015.09.007] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Takeuchi H, Trang VT, Morimoto N, Nishida Y, Matsumura Y, Sugiura T. Natural products and food components with anti- Helicobacter pylori activities. World J Gastroenterol 2014; 20:8971-8978. [PMID: 25083070 PMCID: PMC4112882 DOI: 10.3748/wjg.v20.i27.8971] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Revised: 01/20/2014] [Accepted: 04/03/2014] [Indexed: 02/06/2023] Open
Abstract
The bacterial pathogen Helicobacter pylori (H. pylori) colonizes in over half of the world’s population. H. pylori that establishes life-long infection in the stomach is definitely associated with gastro-duodenal diseases and a wide variety of non-gastrointestinal tract conditions such as immune thrombocytopenia. Triple therapy which consists of a proton pump inhibitor and combinations of two antibiotics (amoxicillin, clarithromycin or amoxicillin, metronidazol) is commonly used for H. pylori eradication. Recently, the occurrence of drug-resistant H. pylori and the adverse effect of antibiotics have severely weakened eradication therapy. Generally antibiotics induce the disturbance of human gastrointestinal microflora. Furthermore, there are inappropriate cases of triple therapy such as allergy to antibiotics, severe complications (liver and/or kidney dysfunction), the aged and people who reject the triple therapy. These prompt us to seek alterative agents instead of antibiotics and to develop more effective and safe therapy with these agents. The combination of these agents actually may result in lower a dose of antibiotics. There are many reports world-wide that non-antibiotic substances from natural products potentially have an anti-H. pylori agent. We briefly review the constituents derived from nature that fight against H. pylori in the literature with our studies.
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Pastene E, Parada V, Avello M, Ruiz A, García A. Catechin-based Procyanidins from Peumus boldus
Mol. Aqueous Extract Inhibit Helicobacter pylori
Urease and Adherence to Adenocarcinoma Gastric Cells. Phytother Res 2014; 28:1637-45. [DOI: 10.1002/ptr.5176] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 04/28/2014] [Accepted: 04/29/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Edgar Pastene
- Laboratory of Pharmacognosy, Department of Pharmacy, Faculty of Pharmacy; University of Concepción; Concepción Chile
| | - Víctor Parada
- Laboratory of Pharmacognosy, Department of Pharmacy, Faculty of Pharmacy; University of Concepción; Concepción Chile
| | - Marcia Avello
- Laboratory of Pharmacognosy, Department of Pharmacy, Faculty of Pharmacy; University of Concepción; Concepción Chile
| | - Antonieta Ruiz
- Laboratory of Chromatography, Department of Instrumental Analysis; University of Concepción; Concepción Chile
| | - Apolinaria García
- Laboratory of Bacterial Pathogenicity, Department of Microbiology, Faculty of Biological Sciences; University of Concepción; Concepción Chile
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Vale FF, Oleastro M. Overview of the phytomedicine approaches against Helicobacter pylori. World J Gastroenterol 2014; 20:5594-5609. [PMID: 24914319 PMCID: PMC4024768 DOI: 10.3748/wjg.v20.i19.5594] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2013] [Revised: 12/18/2013] [Accepted: 03/06/2014] [Indexed: 02/06/2023] Open
Abstract
Helicobacter pylori (H. pylori) successfully colonizes the human stomach of the majority of the human population. This infection always causes chronic gastritis, but may evolve to serious outcomes, such as peptic ulcer, gastric carcinoma or mucosa-associated lymphoid tissue lymphoma. H. pylori first line therapy recommended by the Maastricht-4 Consensus Report comprises the use of two antibiotics and a proton-pomp inhibitor, but in some regions failure associated with this treatment is already undesirable high. Indeed, treatment failure is one of the major problems associated with H. pylori infection and is mainly associated with bacterial antibiotic resistance. In order to counteract this situation, some effort has been allocated during the last years in the investigation of therapeutic alternatives beyond antibiotics. These include vaccines, probiotics, photodynamic inactivation and phage therapy, which are briefly revisited in this review. A particular focus on phytomedicine, also described as herbal therapy and botanical therapy, which consists in the use of plant extracts for medicinal purposes, is specifically addressed, namely considering its history, category of performed studies, tested compounds, active principle and mode of action. The herbs already experienced are highly diverse and usually selected from products with a long history of employment against diseases associated with H. pylori infection from each country own folk medicine. The studies demonstrated that many phytomedicine products have an anti-H. pylori activity and gastroprotective action. Although the mechanism of action is far from being completely understood, current knowledge correlates the beneficial action of herbs with inhibition of essential H. pylori enzymes, modulation of the host immune system and with attenuation of inflammation.
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Parreira P, Fátima Duarte M, Reis CA, Martins MCL. Helicobacter pylori infection: A brief overview on alternative natural treatments to conventional therapy. Crit Rev Microbiol 2014; 42:94-105. [PMID: 24606042 DOI: 10.3109/1040841x.2014.892055] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Helicobacter pylori is a human gastric pathogen considered as the etiologic agent of several gastric disorders, that may range from chronic gastritis to more severe outcomes, including gastric cancer. The current therapeutic scheme relies on the combination of several pharmacological substances, namely antibiotics and proton pump inhibitors. However, the cure rates obtained have been declining over the years, mostly due to bacterial resistance to antibiotics. In this context, the use of non-antibiotic substances is of the utmost importance regarding H. pylori eradication. In this review, we present different classes of compounds obtained from natural sources that have shown to present anti-H. pylori potential; we briefly highlight their possible use in the context of developing new therapeutic approaches.
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Affiliation(s)
- Paula Parreira
- a Centro de Biotecnologia Agrícola e Agro-Alimentar do Alentejo , Rua Pedro Soares, Beja , Portugal
| | - M Fátima Duarte
- a Centro de Biotecnologia Agrícola e Agro-Alimentar do Alentejo , Rua Pedro Soares, Beja , Portugal
| | - Celso A Reis
- b Instituto de Patologia e Imunologia Molecular da Universidade do Porto , Porto , Portugal .,c Faculdade de Medicina , Universidade do Porto , Porto , Portugal .,d Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto , Porto , Portugal , and
| | - M Cristina L Martins
- d Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto , Porto , Portugal , and.,e Instituto de Engenharia Biomédica, Universidade do Porto , Porto , Portugal
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Sokmen BB, Ugras S, Sarikaya HY, Ugras HI, Yanardag R. Antibacterial, antiurease, and antioxidant activities of some arylidene barbiturates. Appl Biochem Biotechnol 2013; 171:2030-9. [PMID: 24018846 PMCID: PMC3838783 DOI: 10.1007/s12010-013-0486-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Accepted: 08/28/2013] [Indexed: 11/24/2022]
Abstract
Some series of arylidene barbiturates and thiobarbiturates were evaluated for their antibacterial, antioxidant, and urease inhibition activities. The arylidene barbiturates and thiobarbiturates were tested for antimicrobial activity using the agar well diffusion technique against 13 bacteria. The synthesized compounds (1a-g) were screened for antiurease and antioxidant activities. The results showed that the synthesized compounds (1a-g) had effective antiurease, antioxidant, and antibacterial activities.
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Affiliation(s)
- Bahar Bilgin Sokmen
- Department of Chemistry, Faculty of Arts and Sciences, Giresun University, 28049 Giresun, Turkey
| | - Serpil Ugras
- Department of Biology, Faculty of Arts and Sciences, Giresun University, 28049 Giresun, Turkey
| | | | - Halil Ibrahim Ugras
- Department of Chemistry, Faculty of Arts and Sciences, Giresun University, 28049 Giresun, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Istanbul University, 34320 Istanbul, Turkey
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Sokmen BB, Hasdemir B, Yusufoglu A, Yanardag R. Some monohydroxy tetradecanoic acid isomers as novel urease and elastase inhibitors and as new antioxidants. Appl Biochem Biotechnol 2013; 172:1358-64. [PMID: 24189917 DOI: 10.1007/s12010-013-0595-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Accepted: 10/07/2013] [Indexed: 10/26/2022]
Abstract
A series of some 3-,6-,7-,9-,12- monohydroxy tetradecanoic acids were evaluated for their antiurease, antielastase and antioxidant activities for the first time in this study. All the test compounds exhibited antioxidant, antielastase and antiurease activities. The relationship between the position of the hydroxy group and the enzyme inhibition effect is studied in this work. The mentioned biological activities are depending on the position of hydroxy group of tetradecanoic acid isomers. The results obtained in this work are indicating that 3-,6-,7-,9-,12-monohydroxy tetradecanoic acid isomers can be used in agriculture, pharmacy and cosmetic industries due to their excellent antielastase, antiurease and antioxidant activities.
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Affiliation(s)
- Bahar Bilgin Sokmen
- Department of Chemistry, Faculty of Arts and Sciences, Giresun University, 28049, Giresun, Turkey
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Wang XQ, Yan H, Terry PD, Wang JS, Cheng L, Wu WA, Hu SK. Interaction between dietary factors and Helicobacter pylori infection in noncardia gastric cancer: a population-based case-control study in China. J Am Coll Nutr 2013; 31:375-84. [PMID: 23529995 DOI: 10.1080/07315724.2012.10720447] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND The aim of this study was to investigate the relationships among Helicobacter pylori, dietary factors, and the risk of noncardia gastric cancer in a hospital-based case-control study in China. METHODS A case-control study of noncardia gastric cancer was performed at 3 hospitals in Xi'an, China, between September 2008 and July 2010. Participants were 257 men and women with histologically diagnosed primary noncardia gastric cancer and 514 sex- and age-matched (± 5 years) control subjects selected from the communities where the cases were living when diagnosed. A questionnaire was used to obtain information regarding potential risk factors, including diet, and blood samples were obtained to examine H pylori infection status. RESULTS Positive H pylori status (odds ratio [OR], 3.2; 95% confidence interval [CI], 0.8-5.9) and high consumption of pickled foods (OR, 27.1; 95%, 8.7-79.1) appeared to increase the risk of noncardia gastric cancer, whereas high consumption of vegetables (OR, 0.3; 95% CI, 0.1-0.89), fruits (OR, 0.2; 95% CI, 0.09-0.81), and soya products (OR, 0.04; 95% CI, 0.01-0.3) appeared to decrease the risk. Consumption of meat, cereals, tubers, eggs, oils, nuts, fish, fresh fruit, and red meat was not clearly associated with risk. Effect modification was observed, such that a relatively high consumption of fruit and vegetables appeared to attenuate the association of H pylori with risk of noncardia gastric cancer (p < 0.05). CONCLUSIONS Our data suggest that noncardia gastric cancer is highly preventable through modifications in dietary habits. Given the prevalence of H pylori infection worldwide, information regarding potential interaction between H pylori and lifestyle factors in gastric cancer development, including the dietary factors examined in our study, may prove valuable in future efforts at prevention.
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Affiliation(s)
- Xiao-Qin Wang
- Department of Statistics and Epidemiology, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China.
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Vergara-Salinas JR, Bulnes P, Zúñiga MC, Pérez-Jiménez J, Torres JL, Mateos-Martín ML, Agosin E, Pérez-Correa JR. Effect of pressurized hot water extraction on antioxidants from grape pomace before and after enological fermentation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:6929-6936. [PMID: 23790192 DOI: 10.1021/jf4010143] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Grape pomace was extracted with pressurized hot water at laboratory scale before and after fermentation to explore the effects of fermentation and extraction temperature (50-200 °C) and time (5 and 30 min) on total extracted antioxidant levels and activity and to determine the content and recovery efficiency of main grape polyphenols, anthocyanins, and tannins. Fermented pomace yielded more total antioxidants (TAs), antioxidant activity, and tannins, than unfermented pomace but fewer anthocyanins. Elevating the extraction temperature increased TA extraction and antioxidant activity. Maximum anthocyanin extraction yields were achieved at 100 °C and at 150 °C for tannins and tannin-anthocyanin adducts. Using higher temperatures and longer extraction times resulted in a sharp decrease of polyphenol extraction yield. Relevant proanthocyanidin amounts were extracted only at 50 and 100 °C. Finally, TA recovery and activity were not directly related to the main polyphenol content when performing pressurized hot water grape pomace extraction.
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Affiliation(s)
- José R Vergara-Salinas
- Pontificia Universidad Católica de Chile, Department of Chemical and Bioprocesses Engineering, Santiago, Chile
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Vítor JMB, Vale FF. Alternative therapies for Helicobacter pylori: probiotics and phytomedicine. ACTA ACUST UNITED AC 2012; 63:153-64. [PMID: 22077218 DOI: 10.1111/j.1574-695x.2011.00865.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Helicobacter pylori is a common human pathogen infecting about 30% of children and 60% of adults worldwide and is responsible for diseases such as gastritis, peptic ulcer and gastric cancer. Treatment against H. pylori is based on the use of antibiotics, but therapy failure can be higher than 20% and is essentially due to an increase in the prevalence of antibiotic-resistant bacteria, which has led to the search for alternative therapies. In this review, we discuss alternative therapies for H. pylori, mainly phytotherapy and probiotics. Probiotics are live organisms or produced substances that are orally administrated, usually in addition to conventional antibiotic therapy. They may modulate the human microbiota and promote health, prevent antibiotic side effects, stimulate the immune response and directly compete with pathogenic bacteria. Phytomedicine consists of the use of plant extracts as medicines or health-promoting agents, but in most cases the molecular mode of action of the active ingredients of these herbal extracts is unknown. Possible mechanisms include inhibition of H. pylori urease enzyme, disruption of bacterial cell membrane, and modulation of the host immune system. Other alternative therapies are also reviewed.
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Affiliation(s)
- Jorge M B Vítor
- Research Institute for Medicines and Pharmaceutical Sciences (iMed.UL), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal
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Carrasco-Pozo C, Gotteland M, Speisky H. Apple peel polyphenol extract protects against indomethacin-induced damage in Caco-2 cells by preventing mitochondrial complex I inhibition. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:11501-11508. [PMID: 21954913 DOI: 10.1021/jf202621d] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The aim of this work was to investigate the role of mitochondrial dysfunction in the development of oxidative stress and cytotoxicity induced by indomethacin and to evaluate the potential of an apple peel polyphenol extract (APPE) in protecting against these events. Indomethacin induced, time-dependently, mitochondrial and oxidative perturbations which led to cell losses. An inhibition of complex I activity, shown for first time here, which resulted in a concomitant drop in cellular ATP and an increment in mitochondrial superoxide production, was observed after 10 min of exposure. These early cytotoxicity-triggering events were followed by an increase in the intracellular production of superoxide (20 min), an elevation in the activity of xanthine oxidase which led to an increased lipid peroxidation (30 min), and a decline in cell viability which manifested after 40 min. These events were selectively prevented using allopurinol, tempol and APPE (a standardized apple peel polyphenol extract). While the oxidative and cell lytic effects of indomethacin were equally prevented by the three agents, only APPE protected against complex I inhibition and its downstream oxidative consequences. Since tempol (a SOD mimetic) prevented the elevation in xanthine oxidase activity, and allopurinol (a xanthine oxidase inhibitor) totally abolished the increment in lipid peroxidation and loss of cell viability, it appears that a superoxide-dependent increase in xanthine oxidase activity is critical to trigger cytotoxicity. Thus, preventing the early increment in superoxide formation that, as a result of inhibiting complex I, takes place within mitochondria would be key toward protecting the cells against the oxidative and cytolytic effects of indomethacin. The ability of APPE in preventing the inhibition of complex I and the subsequent superoxide-dependent increase in XO activity warrants further studies to evaluate the mechanism involves in the protecting effect of APPE against the indomethacin-associated adverse effects in vivo.
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Affiliation(s)
- Catalina Carrasco-Pozo
- Laboratory of Microbiology and Probiotics, Institute of Nutrition and Food Technology, University of Chile, Av. Macul 5540, Santiago, P.O. Box 138-11, Chile.
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Carrasco-Pozo C, Speisky H, Brunser O, Pastene E, Gotteland M. Apple peel polyphenols protect against gastrointestinal mucosa alterations induced by indomethacin in rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:6459-6466. [PMID: 21548634 DOI: 10.1021/jf200553s] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The stability of an apple peel polyphenol extract (APPE) with powerful antioxidant activity was evaluated under acidic conditions in vitro, and its protective effect against gastrointestinal damage was investigated in rats treated with indomethacin. The antioxidant activity of APPE remained stable at pH 2.0 for 4 h. In rats treated with indomethacin (40 mg/kg ig), the previous administration of APPE protected the gastric, intestinal, and colonic mucosa from oxidative stress by preventing increased malondialdehyde concentrations and decreasing the GSH/GSSG ratio. APPE also displayed anti-inflammatory effects by preventing neutrophil infiltration in the mucosa, as evidenced by the lower myeloperoxidase activity. These protective effects of APPE resulted in the prevention of macro- and microscopic damage and of barrier dysfunction along the gastrointestinal tract of the indomethacin-treated animals. This study supports the concept that apple peel polyphenols may be useful in the prevention and/or treatment of nonsteroidal anti-inflammatory drug-associated side effects.
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Affiliation(s)
- Catalina Carrasco-Pozo
- Laboratory of Microbiology and Probiotics, Institute of Nutrition and Food Technology, University of Chile, Avenida Macul 5540, P.O. Box 138-11, Santiago, Chile.
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Paulo L, Oleastro M, Gallardo E, Queiroz JA, Domingues F. Anti-Helicobacter pylori and urease inhibitory activities of resveratrol and red wine. Food Res Int 2011. [DOI: 10.1016/j.foodres.2011.02.017] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Carrasco-Pozo C, Gotteland M, Speisky H. Protection by apple peel polyphenols against indometacin-induced oxidative stress, mitochondrial damage and cytotoxicity in Caco-2 cells. J Pharm Pharmacol 2010. [DOI: 10.1211/jpp.62.07.0017] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Pastene E, Speisky H, García A, Moreno J, Troncoso M, Figueroa G. In vitro and in vivo effects of apple peel polyphenols against Helicobacter pylori. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:7172-7179. [PMID: 20486708 DOI: 10.1021/jf100274g] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The inhibitory effects of a standarized apple peel polyphenol-rich extract (APPE) against Helicobacter pylori infection and vacuolating bacterial toxin (VacA) induced vacuolation were investigated. Apple peel polyphenols significantly prevented vacuolation in HeLa cells with an IC(50) value of 390 microg of gallic acid equivalents (GAE)/mL. APPE also displayed an in vitro antiadhesive effect against H. pylori. A significant inhibition was observed with a 20-60% reduction of H. pylori attachment at concentrations between 0.250 and 5 mg of GAE/mL. In a short-term infection model (C57BL6/J mice), two levels of APPE doses (150 and 300 mg/kg/day) showed an inhibitory effect on H. pylori attachment. Orally administered apple peel polyphenols also showed an anti-inflammatory effect on H. pylori-associated gastritis, lowering malondialdehyde levels and gastritis scores.
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Affiliation(s)
- Edgar Pastene
- Laboratory of Pharmacognosy, Department of Pharmacy, Faculty of Pharmacy, Universidad de Concepción, Concepción, Chile.
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