Antimicrobial activity of polyphenol-rich extracts from solanum nigrum leaves

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dc.contributor.authorNani, Abdelhafid
dc.contributor.authorBoullal, Ahmed
dc.contributor.authorBahiani, Malika
dc.contributor.authorBoukhatache, Ishak
dc.contributor.authorBoubekeur, Amina
dc.contributor.authorMellouki, Latifa
dc.date.accessioned2025-04-29T20:25:44Z
dc.date.available2025-04-29T20:25:44Z
dc.date.issued2021-12-13
dc.description.abstractPolyphenols are molecules found specifically in the plant kingdom. Polyphenols, mainly flavonoids, are known by their various biological effects. They have anti-carcinogenic, anti-inflammatory, anti-atherogenic, analgesic and antimicrobial activities. The objective of this study is to assess the content of polyphenols and flavonoids, and to evaluate the antibacterial activity of different phenolic compounds from a wild plant, Solanumnigrum L, which grows in the Adrar region. Our results show that Solanumnigrum L contains an average amount of polyphenols estimated at 10.74 mg GAE/g DM. Moreover, the fractionation of the total flavonoid available in the aqueous phase, with ethyl acetate followed by n-butanol, revealed that n- butanolphase contains the highest rate (48% of total flavonoids). The antibacterial activity showed the effectiveness of all extracts against Escherichia coli and prominently against Staphylococcus aureus. However, Clostridiumgenusseemed to be resistantvis-a-vis all tested extracts. Thus, Solanumnigrum leaves could be used to treat some infectious diseases.
dc.identifier.isbn978-9931-9827-4-6
dc.identifier.urihttp://dspace.univ-oeb.dz:4000/handle/123456789/22175
dc.language.isoen
dc.publisherUniversity of Oum El Bouaghi
dc.subjectSolanumnigrum L; Polyphenols; Flavonoids; Antimicrobial activity.
dc.titleAntimicrobial activity of polyphenol-rich extracts from solanum nigrum leaves
dc.title.alternativeeffet protecteur de la luteoline.
dc.typeImage
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1er séminaire national sur la biothéchnologie des plantes médicinales et leur implication dans l'industrie pharmaceutique et alimentaire (BPMIPA) le 13-14 Décembre 2021