نتایج جستجو برای: scrophularia frigida
تعداد نتایج: 587 فیلتر نتایج به سال:
Effective neuroblastoma (NB) treatments are still limited despite treatment options available today. Therefore, this study attempted to identify novel plant extracts that have anticancer effects. Cytotoxicity and increased intracellular calcium levels were determined using the Sulforhodamine B (SRB) assay and Fluo4-AM (acetoxymethyl) staining and fluorescence microscopy in NB cells in order to ...
Abstract Aims Competition among plants in a community usually depends on their nitrogen (N)-use efficiency (NUE) and water-use (WUE) arid semi-arid regions. Artemisia frigida is an indicator species heavily degraded grassland, however, how its NUE WUE respond to N addition different successional stages still unclear, especially with mowing, common management practice grasslands. Methods Based l...
جنس اسکلروفولاریا در ایران مورد بازنگری قرار گرفته است. این جنس در ایران شامل 60 گونه و زیر گونه چند ساله، دو ساله و یکساله بوده که 28 گونه آن انحصاری ایران است (با احتساب گونه های جدید). در این مقاله گونه های s. iranica ،s. denaensis و s. papyracea به عنوان گونه های جدیدی از این جنس شرح داده می شوند. این گونه ها با نزدیکترین خویشاوندان خود مورد مقایسه قرار می گیرند. زیر گونه s. variegata subs...
Neuroprotective effect of the extract from aerial parts of Scrophularia striata Boiss (Scrophulariaceae) was investigated against glutamate-induced neurotoxicity on cultured rat pups Cerebellar Granule Neurons (CGNs). CGNs from 8 days old Sprague-Dawley rat were prepared and cultured. The experiments were performed after 8 days in culture. The plant was collected from the northeastern part (Rui...
Two polyacetylene glycosides, gymnasterkoreasides A and B, were isolated from the roots of Gymnaster koraiensis. Their structures were elucidated to be (3R)-8-decene-4,6-diyne-1,3-diol 1-O-beta-D-glucopyraside and (3R)-8-decene-4,6-diyne-1,3-diol 1-O-beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyraside on the basis of spectroscopic analysis including COSY, HMQC, and HMBC experiments, as well as ch...
A leaf spot of figwort (Scrophularia ningpoensis) caused by Phoma sp. Abstract: Since 2006, a new disease caused by Phoma sp. has been identified on figwort (Scrophularia ningpoensis) in Hubei province, China. The pathogen was isolated from diseased S. ningpoensis leaves growing under field conditions, and attempts were made to identify it by cultural and morphological characteristics as well a...
Five iridoid glycosides, including the two new compounds scropolioside-D(2) (1) and harpagoside-B (2), were isolated from the aerial parts of Scrophularia deserti DEL (Scrophulariaceae). Their structures were elucidated on the basis of spectral data to be 6-O-[2",4"-di-O-acetyl-3"-O-trans-cinnamoyl)-alpha-L-rhamnopyranosyl]-8 alpha-hydroxymethyl-1 alpha,5 beta,6 alpha,7 alpha,9 beta-pentahydro-...
BACKGROUND We evaluated the effect of the ethanolic extract of Scrophularia striata on the Iranian strain of Leishmania major (MRHO/IR/75/ER) both in vitro and in vivo conditions. METHODS The effective dose (ED) of ethanolic extract of S. striata were determined using MTT assay on the growth of promastigote forms of L. major in axenic culture media. Then, the ED50 of S. striata on mice perito...
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