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Article: Large-Scale Screening of 239 Traditional Chinese Medicinal Plant Extracts for Their Antibacterial Activities against Multidrug-Resistant Staphylococcus aureus and Cytotoxic Activities

TitleLarge-Scale Screening of 239 Traditional Chinese Medicinal Plant Extracts for Their Antibacterial Activities against Multidrug-Resistant Staphylococcus aureus and Cytotoxic Activities
Authors
Keywordsmedicinal plant
antimicrobial activity
drug resistance
foodborne pathogens
cytotoxicity
Issue Date2020
PublisherPublic Library of Science. The Journal's web site is located at http://pathogens.plosjournals.org/perlserv/?request=index-html&issn=1553-7374
Citation
PLoS Pathogens, 2020, v. 9 n. 3, p. article no. 185 How to Cite?
AbstractNovel alternative antibacterial compounds have been persistently explored from plants as natural sources to overcome antibiotic resistance leading to serious foodborne bacterial illnesses. In this study, the ethanolic extracts from 239 traditional Chinese medicinal plants (TCMP)’ materials were screened to discover promising candidates that have strong antibacterial properties against multidrug-resistant Staphylococcus (S.) aureus and low cytotoxicity. The results revealed that 74 extracts exhibited good antibacterial activities (diameter of inhibition zone (DIZ) ≥ 15 mm). Furthermore, 18 extracts (DIZ ≥ 20 mm) were determined their minimum inhibitory concentrations (MIC) and minimum bactericide concentrations (MBC), ranging from 0.1 to 12.5 mg/mL and 0.78 to 25 mg/mL, respectively. In addition, most of the 18 extracts showed relatively low cytotoxicity (a median lethal concentration (LC50) >100 µg/mL). The 18 extracts were further determined to estimate possible correlation of their phenolic contents with antibacterial activity, and the results did not show any significant correlation. In conclusion, this study selected out some promising antibacterial TCMP extracts with low cytotoxicity, including Rhus chinensis Mill., Ilex rotunda Thunb., Leontice kiangnanensis P.L.Chiu, Oroxylum indicum Vent., Isatis tinctorial L., Terminalia chebula Retz., Acacia catechu (L.f.) Willd., Spatholobus suberectus Dunn, Rabdosia rubescens (Hemsl.) H.Hara, Salvia miltiorrhiza Bunge, Fraxinus fallax Lingelsh, Coptis chinensis Franch., Agrimonia Pilosa Ledeb., and Phellodendron chinense C.K.Schneid.
Persistent Identifierhttp://hdl.handle.net/10722/281258
ISSN
2023 Impact Factor: 5.5
2023 SCImago Journal Rankings: 2.223
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKIM, G-
dc.contributor.authorGAN, R-Y-
dc.contributor.authorZHANG, D-
dc.contributor.authorFARHA, AK-
dc.contributor.authorHabimana, O-
dc.contributor.authorMAVUMENGWANA, V-
dc.contributor.authorLI, H-B-
dc.contributor.authorWANG, X-H-
dc.contributor.authorCORKE, H-
dc.date.accessioned2020-03-09T09:52:12Z-
dc.date.available2020-03-09T09:52:12Z-
dc.date.issued2020-
dc.identifier.citationPLoS Pathogens, 2020, v. 9 n. 3, p. article no. 185-
dc.identifier.issn1553-7366-
dc.identifier.urihttp://hdl.handle.net/10722/281258-
dc.description.abstractNovel alternative antibacterial compounds have been persistently explored from plants as natural sources to overcome antibiotic resistance leading to serious foodborne bacterial illnesses. In this study, the ethanolic extracts from 239 traditional Chinese medicinal plants (TCMP)’ materials were screened to discover promising candidates that have strong antibacterial properties against multidrug-resistant Staphylococcus (S.) aureus and low cytotoxicity. The results revealed that 74 extracts exhibited good antibacterial activities (diameter of inhibition zone (DIZ) ≥ 15 mm). Furthermore, 18 extracts (DIZ ≥ 20 mm) were determined their minimum inhibitory concentrations (MIC) and minimum bactericide concentrations (MBC), ranging from 0.1 to 12.5 mg/mL and 0.78 to 25 mg/mL, respectively. In addition, most of the 18 extracts showed relatively low cytotoxicity (a median lethal concentration (LC50) >100 µg/mL). The 18 extracts were further determined to estimate possible correlation of their phenolic contents with antibacterial activity, and the results did not show any significant correlation. In conclusion, this study selected out some promising antibacterial TCMP extracts with low cytotoxicity, including Rhus chinensis Mill., Ilex rotunda Thunb., Leontice kiangnanensis P.L.Chiu, Oroxylum indicum Vent., Isatis tinctorial L., Terminalia chebula Retz., Acacia catechu (L.f.) Willd., Spatholobus suberectus Dunn, Rabdosia rubescens (Hemsl.) H.Hara, Salvia miltiorrhiza Bunge, Fraxinus fallax Lingelsh, Coptis chinensis Franch., Agrimonia Pilosa Ledeb., and Phellodendron chinense C.K.Schneid.-
dc.languageeng-
dc.publisherPublic Library of Science. The Journal's web site is located at http://pathogens.plosjournals.org/perlserv/?request=index-html&issn=1553-7374-
dc.relation.ispartofPLoS Pathogens-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectmedicinal plant-
dc.subjectantimicrobial activity-
dc.subjectdrug resistance-
dc.subjectfoodborne pathogens-
dc.subjectcytotoxicity-
dc.titleLarge-Scale Screening of 239 Traditional Chinese Medicinal Plant Extracts for Their Antibacterial Activities against Multidrug-Resistant Staphylococcus aureus and Cytotoxic Activities-
dc.typeArticle-
dc.identifier.emailHabimana, O: ohabim@hku.hk-
dc.identifier.authorityHabimana, O=rp02169-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.3390/pathogens9030185-
dc.identifier.pmid32143422-
dc.identifier.scopuseid_2-s2.0-85082656277-
dc.identifier.hkuros309381-
dc.identifier.volume9-
dc.identifier.issue3-
dc.identifier.spagearticle no. 185-
dc.identifier.epagearticle no. 185-
dc.identifier.isiWOS:000524306100017-
dc.publisher.placeUnited States-
dc.identifier.issnl1553-7366-

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