Background: To evaluate the antifungal activity of B. radicata fermentation broth, the broth was purified by DEAE-cellulose and sephadex LC-20 column. The compounds were submitted to spectral analysises(HPLC, FT-IR, 1D and 2D NMR etc.). Results: The purified compounds were identified as the Griseococcin(s) which were naphthoquinone derivatives, only Griseococcin(1) has antifungal activity among the Griseococcin(s). Minimum inhibitory concentration(MIC) and zone of inhibition(ZOI) of Griseococcin(1) were 31.2, 31.2 μg/ml and 18.06±0.85 mm, 15.01±1.02 mm respectively against main pathogenic fungus Trichophyton rubrum and Trichophyton mentagrophytes, the Chemical formula and MW of Griseococcin(1) was determined as C37O10H43N and 661Da.Conclusions: In this paper, the secondary metabolite compound Griseococcin(1) from B. radicata was purified. The purified compound can restrain main pathogens(T. rubrum and T. mentagrophytes) leading to tinea pedis. The antifungal activity of Griseococcin(1) was similar to that of the positive control.
Bovistella radicata (Mont.) Pat was a natural plant with multiple medicinal values. The purified compound purified from Bovistella radicata (Mont.) Pat by DEAE-cellulose and sephadex LC-20 column which could inhibit main pathogens leading to tinea pedis. Based on the spectral (HPLC, FT-IR, 1D and 2D NMR etc.) studies, purified compounds were identified as the Griseococcin(1) which were naphthoquinone derivatives, the Chemical formula and MW of Griseococcin(1) was determined as C37O10H43N and 661 Da. Minimum inhibitory concentration(MIC) and zone of inhibition(ZOI) of Griseococcin(1) were 31.2, 31.2 µg/ml and 18.06 ± 0.85 mm, 15.01 ± 1.02 mm respectively against main pathogenic fungus Trichophyton rubrum and Trichophyton mentagrophytes.
BackgroundTo evaluate the antimicrobial and microbicidel activity of B. radicata fermentation broth, the broth was purified by DEAE-cellulose and sephadex LC-20 column. The compounds were submitted to spectral analyses (HPLC, FT-IR, 1D and 2D NMR etc.). ResultsThe purified compounds were identified as the Griseococcin(s) which were naphthoquinone derivatives, the Chemical formula and MW of Griseococcin(1) was determined as C37O10H43N and 661Da. only Griseococcin(1) has good antimicrobial activity among the Griseococcin(s). The zone of inhibition (ZOI), minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) or minimum fungicidal concentration (MFC) of Griseococcin(1) were used to investigate the antimicrobial activity. Antifungal activity of Griseococcin(1) was significant, especially for main pathogenic fungus Trichophyton rubrum and Trichophyton mentagrophytes, MFC/MIC of Griseococcin(1) was 1, while MFC/MIC of postive control was greater than 4, the fungicidal effect of Griseococcin(1) was better than that of positive control.ConclusionsIn this paper, the secondary metabolite compound Griseococcin(1) from B. radicata was purified. The purified compound can restrain main pathogens (T. rubrum and T. mentagrophytes) leading to tinea pedis. The antifungal activity of Griseococcin(1) was similar to that of the positive control and the fungicidal effect of Griseococcin(1) was better than that of positive control, it might be suitable for pharmaceutical industries.
Background To evaluate the antimicrobial and microbicidel activity of B. radicata fermentation broth, the broth was purified by DEAE-cellulose and sephadex LC-20 column. The compounds were submitted to spectral analyses (HPLC, FT-IR, 1D and 2D NMR etc.). Results The purified compounds were identified as the Griseococcin(s) which were naphthoquinone derivatives, the Chemical formula and MW of Griseococcin(1) was determined as C37O10H43N and 661Da. only Griseococcin(1) has good antimicrobial activity among the Griseococcin(s). The zone of inhibition(ZOI), minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) or minimum fungicidal concentration (MFC) of Griseococcin(1) were used to investigate the antimicrobial activity. Antifungal activity of Griseococcin(1) was significant, especially for main pathogenic fungus Trichophyton rubrum and Trichophyton mentagrophytes, MFC/MIC of Griseococcin(1) was 1, while MFC/MIC of postive control was greater than 4, the fungicidal effect of Griseococcin(1) was better than that of positive control.Conclusions In this paper, the secondary metabolite compound Griseococcin(1) from B. radicata was purified. The purified compound can restrain main pathogens(T. rubrum and T. mentagrophytes) leading to tinea pedis. The antifungal activity of Griseococcin(1) was similar to that of the positive control and the fungicidal effect of Griseococcin(1) was better than that of positive control, it might be suitable for pharmaceutical industries.
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