Evaluation of antimicrobial activity of certain Chinese plants used in folkloric medicine |
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Authors: | Airong Li Yue Zhu Xingbing He Xingjun Tian Liang Xu Wu Ni Ping Jiang |
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Institution: | (1) School of Life Science, Nanjing University, Nanjing, 210093, P.R. China |
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Abstract: | Six selected plants, belonging to 3 families from Nanjing of China, were extracted with the solvent 95% (v/v) ethanol to yield
11 extracts. The extracts were evaluated for their effects on the growth of eight clinical bacteria, two fungi and one yeast
using a modified agar diffusion method. The results showed that the majority of the extracts investigated showed greater activities
against the Gram-positive bacteria than against the Gram-negative bacteria, the fungi and the yeast. The strongest antimicrobial
activity was exhibited by the stem extracts of Mahonia fortunei against multiresistant Staphylococcus aureus strains, followed by the stem extracts of Mahonia bealei, while Bacillus thuringiensis was the most sensitive to all extracts. |
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Keywords: | Antimicrobial activity Chinese plants Folkloric medicine Microorganisms Zone of inhibition |
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