Hypoglycemic effects of the wood of Taxus yunnanensis on streptozotocin-induced diabetic rats and its active components

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DOIResolve DOI: http://doi.org/10.1016/j.phymed.2004.01.015
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TypeArticle
Journal titlePhytomedicine
ISSN0944-7113
Volume13
Issue1-2
Pages109114; # of pages: 6
SubjectTaxus yunnanensis; Hypoglycemic effect; Lignan; Isotaxiresinol; Secoisolariciresinol; Taxiresinol
AbstractHypoglycemic effects of the H2O and MeOH extracts of the wood of Taxus yunnanensis were examined in streptozotocin (STZ)-induced diabetic rats. The H2O extract significantly lowered the fasting blood glucose level by 33.7% at a 100 mg/kg dose on intraperitoneal administration. From the active H2O extract of the wood, three lignans, i.e., isotaxiresinol (1), secoisolariciresinol (2) and taxiresinol (3), were isolated as major components. These lignans were further tested for their hypoglycemic effects on the same experimental model. At a dose of 100 mg/kg (i.p.), isotaxiresinol (1) reduced the fasting blood glucose level of diabetic rats by 34.5%, while secoisolariciresinol (2) and taxiresinol (3) reduced by 33.4% and 20.9%, respectively. The blood glucose lowering effects of 1 and 2 were stronger than the mixture of tolbutamide (200 mg/kg) and buformin (1 mg/kg) used as a positive control, which lowered fasting blood glucose level by 24.0%.
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LanguageEnglish
Peer reviewedYes
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NPARC number21274268
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Record identifiere87f4b4e-aa5c-4a39-aa9c-034b1082a8e7
Record created2015-03-06
Record modified2016-05-09
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