Abstract:
BACKGROUND:In our previous studies, it was evident that the dichloromethane-methanol (1:1 v/v) stem barks extract of Polyscias fulva and fractions (ethyl acetate, n-butanol and residue) demonstrated interesting antidermatophytic activities. So, as a continuity of that, this work aimed at identifying active principles with antifungal properties from P. fulva that could be used as markers for possible standardization of this plant as phytomedicine. METHODS:The ethyl acetate, n-butanol and residual fractions of the dichloromethane-methanol (1:1 v/v) stem bark extract of Polyscias fulva were further fractionated by column chromatography and the structures of isolated compounds elucidated based on their spectroscopic data in comparison with existing literature information. Antifungal activity was assayed by broth microdilution techniques on yeasts and dermatophytes spores. RESULTS:The fractionation of the crude dichloromethane-methanol (1:1 v/v) stem bark extract of Polyscias fulva led to the isolation of 10 known compounds (1 to 10) and one new saponin (11: 3-O-[α-L-rhamnopyranosyl (1-2)-α-L-arabinopyranosyl]-28-O-[α-L-4-O-acetyl-rhamnopyranosyl (1-4)-β-D-glucopyranosyl-(1-6)-β-D-glucopyranosyl]-hederagenin). Among these compounds, 3-O-α-L- arabinopyranosyl-hederagenin and 3-O-[α-L-rhamnopyranosyl (1-2)-α-L-arabinopyranosyl]-hederagenin were the most active on the tested fungi with MIC values ranging from 0.78 to 100 μg/ml against both yeasts and dermatophytes. CONCLUSION:The results of this work constitute a step forward in the possible development of an antidermatophytic phytomedicine from Polyscias fulva stem bark, the isolated compounds being possible markers for the standardisation.
journal_name
BMC Complement Altern Medjournal_title
BMC complementary and alternative medicineauthors
Njateng GS,Du Z,Gatsing D,Nanfack Donfack AR,Feussi Talla M,Kamdem Wabo H,Tane P,Mouokeu RS,Luo X,Kuiate JRdoi
10.1186/s12906-015-0541-7subject
Has Abstractpub_date
2015-02-15 00:00:00pages
25issn
1472-6882pii
10.1186/s12906-015-0541-7journal_volume
15pub_type
杂志文章abstract:BACKGROUND:Bitter cumin (Centratherum anthelminticum (L.) Kuntze), is a medicinally important plant. Earlier, we have reported phenolic compounds, antioxidant, and anti-hyperglycemic, antimicrobial activity of bitter cumin. In this study we have further characterized the antioxidative activity of bitter cumin extracts ...
journal_title:BMC complementary and alternative medicine
pub_type: 杂志文章
doi:10.1186/1472-6882-11-40
更新日期:2011-05-20 00:00:00
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journal_title:BMC complementary and alternative medicine
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abstract:BACKGROUND:Complementary and alternative medicine (CAM) is frequently used in the Middle East, especially to treat chronic diseases such as infertility. We aimed to examine the prevalence, characteristics, and determinants of CAM use, particularly herbs and antioxidant therapies, among infertile males presenting for in...
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abstract:BACKGROUND:Infertility is a common complication in diabetic men and experimental animals, mainly due to loss of germ cells by apoptotic cell death. The aim of this study was to evaluate the effects of aqueous and ethanol extracts of Dracaena arborea in streptozotocin-induced ultra-structural spermatogenic alterations i...
journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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pub_type: 杂志文章
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journal_title:BMC complementary and alternative medicine
pub_type: 杂志文章
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更新日期:2019-10-28 00:00:00
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journal_title:BMC complementary and alternative medicine
pub_type: 杂志文章
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更新日期:2014-09-21 00:00:00
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journal_title:BMC complementary and alternative medicine
pub_type: 杂志文章
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