Abstract:
:The estrogenic activity of traditional Chinese herb-Polygonum cuspidatum Sieb. et Zucc. was investigated by a recombinant yeast screening (YES) assay. Anthraquinones are the main components in the plant, of which emodin is the most abundant one. The ethyl acetate fraction of the ethanol extract of Polygonum cuspidatum was separated on a silica gel TLC plate and seven sub-fractions were collected. The results of bioassay demonstrated that Hzs1 and Hzs6 showed higher estrogenic activities than that of others and the potency of these two compounds were approximately 10(-4) g/L and 10(-3) g/L, respectively. HPLC analysis was performed to determine the activities and the active components. Combining the results of HPLC analysis and estrogenic activity test by YES led to the conclusion that an unknown bioactive compound might exist in the extraction of Polygonum cuspidatum.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Zhang C,Zhang X,Zhang Y,Xu Q,Xiao H,Liang Xdoi
10.1016/j.jep.2005.10.029keywords:
subject
Has Abstractpub_date
2006-04-21 00:00:00pages
223-8issue
1-2eissn
0378-8741issn
1872-7573pii
S0378-8741(05)00737-3journal_volume
105pub_type
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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abstract::Jaceosidin (4',5,7-trihydroxy-3',6-dimethoxyflavone) was isolated from Artemisia argyi as a putative oncogene inhibitor. Jaceosidin inhibited binding between oncoprotein E6 of the human papillomavirus and the p53 tumor suppressor protein. In addition, jaceosidin inhibited binding between the E7 oncoprotein and the Rb ...
journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2005.01.054
更新日期:2005-04-26 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2003.06.001
更新日期:2004-01-01 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2014.09.003
更新日期:2014-10-28 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/s0378-8741(03)00258-7
更新日期:2003-10-01 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/s0378-8741(01)00186-6
更新日期:2001-05-01 00:00:00
abstract:ETHNOPHARMACOLOGICAL RELEVANCE:ANNAO tablets derive from Chinese classical prescriptions of Angong Niuhuang Pills with modified compositions, which have been singly or combined used for stoke associated neurological disorders. However the underlying mechanism is not yet well-defined, the present study investigated its ...
journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2019.112212
更新日期:2020-01-10 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2005.05.016
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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更新日期:2008-06-19 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2015-07-01 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2021-01-10 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:
更新日期:2013-12-12 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2004-05-01 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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更新日期:2011-06-14 00:00:00
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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更新日期:2014-01-01 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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更新日期:2004-08-01 00:00:00
abstract:ETHNOPHARMACOLOGICAL RELEVANCE:Uncaria tomentosa (Willd.) DC (Rubiaceae) is a species native to the Amazon rainforest and surrounding tropical areas that is endowed with immunomodulatory properties and widely used around the world. In this study we investigated the immunomodulatory potential of Uncaria tomentosa (UT) a...
journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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更新日期:2011-09-01 00:00:00
abstract:AIM OF THE STUDY:Rhei Rhizoma, the rhizome of Rheum palmatum L. (RP), is a popular herb in clinical Chinese medicine. RP is abundant in polyphenolic anthraquinones, which have been reported to show various beneficial bioactivities. This study investigated the pharmacokinetics and tissue distribution of anthraquinones f...
journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2011.08.003
更新日期:2011-10-11 00:00:00
abstract::The hexane, dichloromethane, ethyl acetate and methanol fractions of leaves of Acalypha siamensis Oliv. ex Gage were evaluated for antibacterial and antifungal activity. The antibacterial activity was more pronounced in the ethyl acetate and methanol extracts. No activity was shown against tested moulds. ...
journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2004.07.014
更新日期:2004-12-01 00:00:00