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Zamri NFI, Mohd Shafri MA, Zamli Z, Mamat S. A Scoping Review on Medicinal Properties of Piper betle ( Sirih) Based on Malay Medical Manuscripts and Scientific Literatures. Malays J Med Sci 2023; 30:23-39. [PMID: 37928797 PMCID: PMC10624437 DOI: 10.21315/mjms2023.30.5.3] [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: 08/11/2021] [Accepted: 03/25/2022] [Indexed: 11/07/2023] Open
Abstract
Background Malay medical manuscripts have deciphered the medicinal value of Piper betle (sirih) enormously. In this review, an effort was made to explore the medicinal use of P. betle and correlate this information with the scientific evidence. Methods The information regarding the use of P. betle was retrieved from the books consisting of a Malay medical manuscript with an identification number MSS 2219 from the National Library of Malaysia. PubMed, ScienceDirect and Scopus databases were used to collect information regarding the scientific evidence for the medicinal use of P. betle. This review was written following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The keywords used for searching the articles included P. betle, antimicrobial, analgaesic, haepatic and gastric. Results MSS 2219 showed that P. betle has varied medicinal uses and based on that, it can be grouped into six categories. P. betle application method was different in different conditions. In terms of the literature search, 226 articles were found, 75 articles were extracted for detailed analysis and only 23 met the inclusion criteria. The information was related to the chemical assays, in vivo and in vitro studies. Conclusion In summary, P. betle has the potential to treat medical conditions in various types of categories as recorded in the Malay medical manuscripts and also based on scientific publications. For clinical purposes, more information is required, such as the specific mechanism involved, the best extraction method and the best dosage for treatment.
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Affiliation(s)
- Nur Fatin Idayu Zamri
- Department of Biomedical Science, Kullliyyah of Allied Health Sciences, International Islamic University Malaysia, Pahang, Malaysia
| | - Mohd Affendi Mohd Shafri
- Department of Biomedical Science, Kullliyyah of Allied Health Sciences, International Islamic University Malaysia, Pahang, Malaysia
| | - Zaitunnatakhin Zamli
- Department of Biomedical Science, Kullliyyah of Allied Health Sciences, International Islamic University Malaysia, Pahang, Malaysia
| | - Suhana Mamat
- Department of Biomedical Science, Kullliyyah of Allied Health Sciences, International Islamic University Malaysia, Pahang, Malaysia
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Evaluation of Anti-Candida Potential of Piper nigrum Extract in Inhibiting Growth, Yeast-Hyphal Transition, Virulent Enzymes, and Biofilm Formation. J Fungi (Basel) 2022; 8:jof8080784. [PMID: 36012773 PMCID: PMC9409899 DOI: 10.3390/jof8080784] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/12/2022] [Accepted: 07/22/2022] [Indexed: 11/17/2022] Open
Abstract
Due to the increased incidence of fungal infections and the emergence of antifungal resistance mainly by Candida species, the need for safe and effective novel therapies is imperative. Consequently, plants and herbs are a powerful source to combat infections. Here, we evaluated the anti-Candida potential of an ethanolic extract from Piper nigrum. The phytochemical analysis of P. nigrum revealed bioactive compounds such as alkaloids, terpenoids, and tannis. Our results showed that P. nigrum extract suppressed the virulence factors of C. albicans strains, including hyphae formation in both liquid and solid media, reduced secretion of phospholipases/proteinases, and affected biofilm formation. Furthermore, the P. nigrum extract showed no hemolytic effect in vitro and exhibited reduced cytotoxicity on Vero cells and G. mellonella larvae at concentrations that inhibited hyphae and biofilm in C. albicans. Moreover, the extract demonstrated antifungal activity against C. auris strains. In conclusion, the P. nigrum extract affected the growth and morphogenesis of Candida (even in resistant strains), demonstrating that this plant has an anti-candida activity and represents a promising resource for discovering novel antifungal compounds.
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Antifungal and Modulatory Activity of Lemon Balm (Lippia alba (MILL.) N. E. BROWN) Essential Oil. Sci Pharm 2022. [DOI: 10.3390/scipharm90020031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Fungal diseases and the progressive development of resistance are a challenge. In this context, Lippia alba (lemon balm) is a species used in folk medicine, being described with antimicrobial potential. The aim of this study was to determine the antifungal activity and modulating effect of the essential oil of Lippia alba (Mill.) N.E. Brown leaves (LaEO). The antifungal activity of LaEO on eight Candida strains was determined by minimum inhibitory concentration (MIC) and minimum lethal concentration (MLC), minimum biofilm inhibition concentration (MBIC), minimum biofilm eradication concentration (MBEC) and time-kill. The checkerboard technique was used to determine the modulating effect of LaEO on antifungal activity. The results indicate the presence of 11 constituents, with a predominance of carvone (58.15%) and limonene (25.37%). LaEO was able to inhibit the growth of all tested microorganisms, with MIC and MLC ranging from 0.078 to 1.25 mg/mL and MBIC and MBEC ranging from 0.156 to 5 mg/mL. The time-kill assay showed that LaEO was able to eliminate the strains after two hours of exposure and the best association was observed for the combination of LaEO and ketoconazole. The results of the study indicate that LaEO has excellent antifungal activity with potential biotechnological application.
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Amra K, Momin M, Desai N, Khan F. Therapeutic benefits of natural oils along with permeation enhancing activity. Int J Dermatol 2021; 61:484-507. [PMID: 34310695 DOI: 10.1111/ijd.15733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 05/19/2021] [Accepted: 05/28/2021] [Indexed: 01/07/2023]
Abstract
The skin is the largest organ of the integumentary system with a multifunctional purpose to protect the body from heat and microbes, regulate body temperature, and act as a sensory organ. A topical dosage form applied on the skin will have to cross the stratum corneum, which would then allow the dosage form to traverse the subsequent layers of the skin. The drug with poor solubility and short half-life would serve as an ideal candidate for its delivery via the transdermal route. This review reports the role of natural oils in enhancing the permeation of drugs through skin as they possess different features like natural origin, favorable penetration enhancement, and partitioning action in the skin. Chemical penetration enhancers have been used widely but are associated with toxicities. Thus, more research should be channelized in the area of extraction of oils from natural sources, along with their active constituents, which can serve as therapeutic alternatives to various disorders and diseases. Natural oils are obtained from leaves, fruits, flowers, seeds, bark, and roots, which have a therapeutic potential as well as penetration enhancing activity. The demerits of oral drug delivery include degradation of drugs in the gastrointestinal tract, addition of taste masking, and coating of tablets, which can be overcome by delivering the drug via the transdermal route. Natural oil contains lipids, flavonoids, and terpenes, which play a significant role in anti-inflammatory and penetration enhancing activity.
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Affiliation(s)
- Kesrin Amra
- Cipla Ltd, LBS Marg, Vikhroli West, Mumbai, India
| | - Munira Momin
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Neha Desai
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Fateh Khan
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
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Kumpanich J, Eiampongpaiboon T, Kanchanavasita W, Chitmongkolsuk S, Puripattanavong J. Effect of Piper betle extract on anti-candidal activity, gelation time, and surface hardness of a short-term soft lining material. Dent Mater J 2020; 39:1016-1021. [PMID: 32727964 DOI: 10.4012/dmj.2019-314] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The purpose of this study was to evaluate anti-candidal activity, gelation time, and surface hardness of a short-term soft lining material incorporated with varying concentrations of Piper betle extract (0.25 to 20% w/w). Agar-diffusion assay was conducted to evaluate an inhibitory effect against Candida albicans. The gelation time was assessed and surface hardness was measured at 2 h and 7 days by Shore AO durometer. A soft liner containing at least 5% w/w of P. betle extract was observed the inhibitory effect against C. albicans. An increasing of P. betle concentrations provided larger inhibition zone. Incorporating 5% w/w of P. betle extract into the soft liner did not significantly alter its gelation time and surface hardness (ANOVA; p>0.05). The optimum composition at 5% w/w of P. betle extract can be used as an additive in the soft liner to provide the anti-candidal activity without significantly affect these two main properties.
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Affiliation(s)
| | | | | | | | - Jindaporn Puripattanavong
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University
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Fanou BA, Klotoe JR, Fah L, Dougnon V, Koudokpon CH, Toko G, Loko F. Ethnobotanical survey on plants used in the treatment of candidiasis in traditional markets of southern Benin. BMC Complement Med Ther 2020; 20:288. [PMID: 32957970 PMCID: PMC7507638 DOI: 10.1186/s12906-020-03080-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 09/13/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Candidiasis, an opportunistic cosmopolitan disease is nowadays like bacterial infections which is a real public health problem. In view of the emergence of Candida strains resistant to existing antifungal agents, alternative solutions should be considered. This is the purpose of this ethnobotanical survey, which aims to identify the medicinal plant species traditionally used to treat candidiasis in traditional markets of southern Benin. METHODS The study was performed from October 2015 to January 2018 in the traditional markets of Southern-Benin. Data were collected by two complementary methods: triplet purchase of medicinal recipes (ATRM) from herbalists markets and semi-structured interview (ISS) from traditional healers. RESULTS A total of 109 species of medicinal plants belonging to 44 families have been listed and identified. The most frequently cited species were Pteleopsis suberosa Engl. & Diels, Lantana camara L., Cyanthillium cinereum (L.) H. Rob, Ocimum gratissimum L. and Lippia multiflora Moldenke with respectively 43.84, 39.73 and 34.25% citation frequencies for the last three species respectively. Leguminosae (20.18%), Euphorbiaceae (5.50%) and Apocynaceae (5.50%) were the most represented botanical families. Leafy stems were more used than other plant organs. The decoction and the oral route were the most appropriate methods of preparation and administration reported by traditional healers. CONCLUSION Benin's plant cover is made up of a wide variety of medicinal plant species used in the traditionnal treatment of candidiasis and which may constitute new sources of medicines to be developed.
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Affiliation(s)
- Brice Armand Fanou
- Unité de Recherche en Microbiologie Appliquée et Pharmacologie des substances naturelles (URMAPha), Laboratoire de Recherche en Biologie Appliquée (LARBA), Ecole Polytechnique d'Abomey-Calavi (EPAC), Université d'Abomey-Calavi, 01BP2009, Cotonou, Bénin
| | - Jean Robert Klotoe
- Unité de Recherche en Microbiologie Appliquée et Pharmacologie des substances naturelles (URMAPha), Laboratoire de Recherche en Biologie Appliquée (LARBA), Ecole Polytechnique d'Abomey-Calavi (EPAC), Université d'Abomey-Calavi, 01BP2009, Cotonou, Bénin. .,Ecole Normale Supérieure de Natitingou, Université Nationale des Sciences, Technologie, Ingénierie et Mathématiques, BP72, Natitingou, Benin.
| | - Lauris Fah
- Unité de Recherche en Microbiologie Appliquée et Pharmacologie des substances naturelles (URMAPha), Laboratoire de Recherche en Biologie Appliquée (LARBA), Ecole Polytechnique d'Abomey-Calavi (EPAC), Université d'Abomey-Calavi, 01BP2009, Cotonou, Bénin
| | - Victorien Dougnon
- Unité de Recherche en Microbiologie Appliquée et Pharmacologie des substances naturelles (URMAPha), Laboratoire de Recherche en Biologie Appliquée (LARBA), Ecole Polytechnique d'Abomey-Calavi (EPAC), Université d'Abomey-Calavi, 01BP2009, Cotonou, Bénin
| | - Charles Hornel Koudokpon
- Unité de Recherche en Microbiologie Appliquée et Pharmacologie des substances naturelles (URMAPha), Laboratoire de Recherche en Biologie Appliquée (LARBA), Ecole Polytechnique d'Abomey-Calavi (EPAC), Université d'Abomey-Calavi, 01BP2009, Cotonou, Bénin
| | - Ghislaine Toko
- Centre de Recherche Enthomologique de Cotonou (CREC), Cotonou, Benin
| | - Frédéric Loko
- Unité de Recherche en Microbiologie Appliquée et Pharmacologie des substances naturelles (URMAPha), Laboratoire de Recherche en Biologie Appliquée (LARBA), Ecole Polytechnique d'Abomey-Calavi (EPAC), Université d'Abomey-Calavi, 01BP2009, Cotonou, Bénin
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Synergistic effects of pomegranate and rosemary extracts in combination with antibiotics against antibiotic resistance and biofilm formation of Pseudomonas aeruginosa. Braz J Microbiol 2020; 51:1079-1092. [PMID: 32394240 DOI: 10.1007/s42770-020-00284-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 04/22/2020] [Indexed: 12/20/2022] Open
Abstract
The combination of plant extract and antibiotic represents a template for developing of antibiofilm drugs. This study investigated the synergistic effects of pomegranate/rosemary/antibiotic combinations against antibiotic resistance and biofilm formation of Pseudomonas aeruginosa. The results showed that 17 (85%) of total P. aeruginosa isolates were biofilm producers; however, 5 (25%) isolates were demonstrated as a strong biofilm producer. The highest MIC level (1024 μg/ml) of tested antibiotics against strong biofilm producer isolates was observed with piperacillin, however the MIC ranges of ceftazidime, gentamycin, imipenem, and levofloxacin against these isolates were reached to (256-1024 μg/ml), (32-1024 μg/ml), (8-1024 μg/ml), and (8-512 μg/ml), respectively. PS-1 was the representative isolate for strong biofilm formation and high antibiotic resistance. 16S rRNA gene analysis suggested that PS-1 (accession No. MN619678) was identified as a strain of P. aeruginosa POA1. Pomegranate and rosemary extracts were the most effective extracts in biofilm inhibition, which significantly inhibited 91.93 and 90.83% of PS-1 biofilm, respectively. Notably, the synergism between both plant extracts and antibiotics has significantly reduced the MICs of used antibiotics at the level lower than the susceptibility breakpoints. Pomegranate/rosemary/antibiotic combinations achieved the highest biofilm eradication, which ranging from 90.0 to 99.6%, followed by the eradication ranges of pomegranate/rosemary combination, rosemary, and pomegranate extracts, which reached to (76.5-85.4%), (53.1-73.7%), and (41.2-71.5%), respectively. The findings suggest that pomegranate/rosemary/antibiotic combinations may be an effective therapeutic agent for antibiotic resistance and biofilm formation of P. aeruginosa.
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Malafaia CB, Jardelino ACS, Silva AG, de Souza EB, Macedo AJ, Correia MTDS, Silva MV. Effects of Caatinga Plant Extracts in Planktonic Growth and Biofilm Formation in Ralstonia solanacearum. MICROBIAL ECOLOGY 2018; 75:555-561. [PMID: 28920144 DOI: 10.1007/s00248-017-1073-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Accepted: 09/08/2017] [Indexed: 06/07/2023]
Abstract
This study describes the first antibiofilm and antibacterial screening for plants from Caatinga against Ralstonia solanacearum, a causal agent of bacterial wilt that presents serious difficulties in control. There were prepared 22 aqueous extracts of plants collected in the Vale do Catimbau-PE, Brazil. The potential antibacterial activity was evaluated by absorbance in OD600 and the antibiofilm activity through the crystal violet method, both of them performed in microplate against isolates of R. solanacearum biofilm formers. The results of the screening showed that Jacaranda rugosa presented antimicrobial activity higher than 90%, while Harpochilus neesianus and Myroxylon peruiferum presented antibiofilm activity higher than 50% for all tested isolates. However, Croton heliotropiifolius showed both the activities, being thus very promising for application in the control of this phytopathogen. The search for viable alternatives to the development of new bioactive compounds safe for the environment, humans, and animals from an adverse and scarce environment such as the Caatinga and encouraged us to find plants that produce effective metabolites against phytopathogenic microorganisms. This in vitro screening is important to guide the development of new products in addition to guide research studies of bioactive compounds.
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Affiliation(s)
- Carolina Barbosa Malafaia
- Departamento de Bioquímica, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil.
- Centro de Tecnologias Estratégicas do Nordeste (CETENE), Recife, Pernambuco, Brazil.
| | | | - Alexandre Gomes Silva
- Instituto Nacional do Semiárido, Av. Francisco Lopes de Almeida, Campina Grande, Paraíba, 58434-700, Brazil
| | - Elineide Barbosa de Souza
- Departamento de Biologia/Área de Microbiologia, Universidade Federal Rural de Pernambuco (UFRPE), Recife, Pernambuco, Brazil
| | - Alexandre José Macedo
- Faculdade de Farmácia e Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | | | - Márcia Vanusa Silva
- Departamento de Bioquímica, Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil
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Aarti C, Khusro A, Varghese R, Arasu MV, Agastian P, Al-Dhabi NA, Ilavenil S, Choi KC. In vitro investigation on probiotic, anti-Candida, and antibiofilm properties of Lactobacillus pentosus strain LAP1. Arch Oral Biol 2018; 89:99-106. [PMID: 29499562 DOI: 10.1016/j.archoralbio.2018.02.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 01/25/2018] [Accepted: 02/18/2018] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To investigate the probiotic characteristics, anti-Candida activity, and antibiofilm attributes of Hentak derived Lactobacillus pentosus strain LAP1. DESIGN The probiotic properties of strain LAP1 were depicted by adapting standard protocols. The anti-Candida and antibiofilm properties of isolate were determined using agar well diffusion assay and ELISA reader test, respectively. The time-kill assay was performed using viable colony count assay. Further, the co-aggregation property of strain LAP1 was determined based on standard methodology. RESULTS Strain LAP1 exhibited not only tolerance to acidic pH but also showed resistivity (P ≤ 0.05) to simulated gastric juice exposure. Similarly, the strain was able to tolerate bile salt, showed hyperproteolytic activity, and also depicted susceptibility to most of the antibiotics tested. Auto-aggregation phenomenon (37.5-60%), hydrophobicity nature (42.85%), and survival potentiality of strain LAP1 under freeze-dried condition (9.0 ± 0.01 log CFU/ml) made the isolate a promising probiotic candidate. Cell-free neutralized supernatant (CFNS) of strain LAP1 exhibited potent antifungal activities against C. albicans, C. tropicalis, and C. krusei with arbitrary unit of 150 ± 4.34, 200 ± 5.21, and 130 ± 5.13 AU/ml, respectively and depicted remarkable reduction in the biofilm formation of respective Candida sp. in a concentration dependent manner. Moreover, time-kill assay data provided the growth inhibition of all Candida sp. in a time dependent manner. Additionally, strain LAP1 revealed significant co-aggregate percentage with C. albicans, C. tropicalis, and C. krusei. CONCLUSIONS L. pentosus strain LAP1 exhibited a good probiotic characteristics, potent anti-Candida activity, and significant antibiofilm property that could be undoubtedly recommended for its vast applications not only in food industries but also as biotherapeutic agent against Candida infections in pharmaceutical industries.
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Affiliation(s)
- Chirom Aarti
- Research Department of Plant Biology and Biotechnology, Loyola College, Nungambakkam, Chennai-34, Tamil Nadu, India
| | - Ameer Khusro
- Research Department of Plant Biology and Biotechnology, Loyola College, Nungambakkam, Chennai-34, Tamil Nadu, India
| | - Rakesh Varghese
- Department of Industrial Biotechnology, Bharath University, Selaiyur, Chennai - 73, India
| | - Mariadhas Valan Arasu
- Addiriyah Chair for Environmental Studies, Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
| | - Paul Agastian
- Research Department of Plant Biology and Biotechnology, Loyola College, Nungambakkam, Chennai-34, Tamil Nadu, India
| | - Naïf Abdullah Al-Dhabi
- Addiriyah Chair for Environmental Studies, Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Soundharrajan Ilavenil
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330-801, Republic of Korea
| | - Ki Choon Choi
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330-801, Republic of Korea
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L M, Krishna A, Reddy J, Nirmala G. Optimization studies on extraction of phytocomponents from betel leaves. RESOURCE-EFFICIENT TECHNOLOGIES 2017. [DOI: 10.1016/j.reffit.2017.02.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Himratul-Aznita WH, Nor-Zulaila CO, Nurul-Fatihah K. Antifungal activity of dual combination of hydroxychavicol with commercialized agents against oral Candida species. SPRINGERPLUS 2016; 5:1696. [PMID: 27757368 PMCID: PMC5047859 DOI: 10.1186/s40064-016-3396-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 09/27/2016] [Indexed: 11/10/2022]
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Screening for antibacterial and antibiofilm activity in Thai medicinal plant extracts against oral microorganisms. J Tradit Complement Med 2016; 7:172-177. [PMID: 28417087 PMCID: PMC5388082 DOI: 10.1016/j.jtcme.2016.06.007] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 06/07/2016] [Accepted: 06/22/2016] [Indexed: 12/02/2022] Open
Abstract
To evaluate the antibacterial activity of 12 ethanol extracts of Thai traditional herb against oral pathogens. The antibacterial activities were assessed by agar well diffusion, broth microdilution, and time-kill methods. Antibiofilm activity was investigated using a 3-[4,5-dimethyl-2-thiazolyl]-2,5-diphenyl-2H-tetrazolium-bromide (MTT) assay. High performance liquid chromatography (HPLC), thin layer chromatography (TLC) fingerprinting, and TLC-bioautography were used to determine the active antibacterial compounds. Piper betle showed the best antibacterial activities against all tested strains in the minimal inhibitory concentration and minimal bactericidal concentration, ranged from 1.04–5.21 mg/mL and 2.08–8.33 mg/mL, respectively. Killing ability depended on time and concentrations of the extract. P. betle extract acts as a potent antibiofilm agent with dual actions, preventing and eradicating the biofilm. The major constituent of P. betle extract was 4-chromanol, which responded for antibacteria and antibiofilm against oral pathogens. It suggests that the ethanol P. betle leaves extract may be used for preventing oral diseases.
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