Abstract:
:Oral administration of a CH(2)Cl(2)-MeOH (1:1) extract of Scaphyglottis livida produced dose-dependent antinociceptive and anti-inflammatory effects when tested in mice and rats using the hot-plate (150-600 mg/kg) and carrageenan-induced inflammation (150-600 mg/kg) models, respectively. Morphine (1.5-6 mg/kg, p.o.) and indomethacin (10-40 mg/kg, p.o.) were used as positive controls, respectively. Four compounds were isolated from the active extract of Scaphyglottis livida, namely 5alpha-lanosta-24,24-dimethyl-9(11),25-dien-3beta-ol (LDD), 24,24,dimethyl-9,19-cyclolanosta-9(11),25-dien-3-one (cyclobalanone), gigantol and 3,4'-dihydroxy-3',4,5-trimethoxybibenzyl (DTB). LDD and gigantol (25-100 mg/kg, p.o.) significantly increased the hot-plate latency in comparison to vehicle-treated mice and decreased carrageenan-induced inflammation in rats. The antinociception provoked by LDD and gigantol was partially blocked by naloxone (1mg/kg, i.p.). However, pretreatment with L-NAME (100 mg/kg, i.p.) and glibenclamide (10 mg/kg, i.p.) did not affect the antinociceptive response induced by LDD or gigantol suggesting that their pharmacological effect could be partially due to activation of opioid receptors. Moreover, a CH(2)Cl(2)-MeOH (1:1) extract of Maxillaria densa reduced acetic acid-induced abdominal writhes but was not able to produce antinociception in the hot-plate assay. Two compounds were isolated from the active extract of Maxillaria densa, namely fimbriol A and erianthridin. Both compounds partially reduced acetic acid-induced writhes. The results tend to support the popular use of this species in folk medicine for treatment of painful complaints.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Déciga-Campos M,Palacios-Espinosa JF,Reyes-Ramírez A,Mata Rdoi
10.1016/j.jep.2007.07.021subject
Has Abstractpub_date
2007-11-01 00:00:00pages
161-8issue
2eissn
0378-8741issn
1872-7573pii
S0378-8741(07)00364-9journal_volume
114pub_type
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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:2007-05-22 00:00:00
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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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doi:10.1016/j.jep.2016.12.044
更新日期:2017-02-23 00:00:00
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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:2005-06-03 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:2006-06-15 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/0378-8741(91)90034-b
更新日期:1991-09-01 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2005-04-08 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:2006-11-24 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2009-11-12 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:1997-09-01 00:00:00
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更新日期:1995-01-01 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Journal of ethnopharmacology
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更新日期:2011-09-01 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2018-10-28 00:00:00
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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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更新日期:2010-08-09 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2015-12-24 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:2005-07-14 00:00:00
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pub_type: 杂志文章
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