jacaranone/senecio

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In-vitro antiproliferative effects on human tumour cell lines of extracts and jacaranone from Senecio leucanthemifolius Poiret.

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We have studied the cytotoxic activity of extracts and jacaranone from Senecio leucanthemifolius Poiret. Extracts from S. leucanthemifolius were able to inhibit the in-vitro proliferation of a series of human tumour cell lines. The dichloromethane extract demonstrated effective cytotoxic activity

Jacaranone analogs from Senecio scandens.

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Bioassay-guided fractionation of the ethanolic extract of Senecio scandens led to the isolation of four new compounds 4, 5, 7, and 8, along with four known jacaranone analogs (1, 2, 3, 6). Their structures were elucidated on the basis of spectral and chemical evidence. Compound 7 was obtained as a

A new jacaranone derivative from Senecio scandens var. incisus.

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A new jacaranone derivative, 2-(1,6-dihydroxy-4-oxocyclohex-2-enyl) acetic acid (1), has been isolated from the whole plants of Senecio scandens var. incisus, together with three known compounds: 2'-(p-hydroxyl-cinnamoyl)-6'-jacaranone-D-glucopyranoside (2),

Jacaranone: a cytotoxic constituent from Senecio ambiguus subsp. ambiguus (biv.) DC. against renal adenocarcinoma ACHN and prostate carcinoma LNCaP cells.

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Senecio ambiguus subsp. ambiguus (Biv.) DC. extracts were able to inhibit the in vitro proliferation of renal cell adenocarcinoma ACHN and hormone dependent prostate carcinoma LNCaP. The potential cytotoxic property of the plant was revealed by the methanolic extract action against LNCaP (IC50 of

Jacaranone glycosides from Senecio scandens.

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Bioassay-guided fractionation of the ethanol extract of Senecio scandens led to the isolation of four new compounds 1-4. These compounds were obtained as tautomeric mixture of alpha/beta epimers, but their structures were confirmed unambiguously by 1D and 2D NMR spectra and LC NMR technology. 1H NMR

Secondary metabolites from Senecio minutus and Senecio boissieri: a new jacaranone derivative.

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Jacaranone (1), the related new dimethoxy derivative 2, and known triterpenoids were isolated from the aerial parts of Senecio minutus. The aerial parts and the rhizomes of Senecio boissieri afforded the furanoeremophilanes 3 and 4 and known triterpenoids.

Differential tissue distribution of metabolites in Jacobaea vulgaris, Jacobaea aquatica and their crosses.

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Plants are attacked by many different herbivores. Some will consume whole leaves or roots, while others will attack specific types of tissue. Thus, insight into the metabolite profiles of different types of leaf tissues is necessary to understand plant resistance against herbivores. Jacobaea

NMR metabolomics of thrips (Frankliniella occidentalis) resistance in Senecio hybrids.

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Western flower thrips (Frankliniella occidentalis) has become a key insect pest of agricultural and horticultural crops worldwide. Little is known about host plant resistance to thrips. In this study, we investigated thrips resistance in F (2) hybrids of Senecio jacobaea and Senecio aquaticus. We

Authentication of Senecio scandens and S. vulgaris based on the comprehensive secondary metabolic patterns gained by UPLC-DAD/ESI-MS.

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A secondary metabolic pattern using ultra-performance liquid chromatography (UPLC)-DAD/ESI-MS was constructed to gain chemical information for authentication of Senecio scandens (SS) and Senecio vulgaris (SV), the two representative species containing hepatotoxic pyrrolizidine alkaloids (HPAs). The

Fast counter current chromatography of n-butanolic fraction from Senecio giganteus (Asteraceae).

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Phenolic derivatives such as quinones, acid-phenols and flavonoids were successfully isolated from a n-butanolic fraction of Senecio giganteus Desf. (Asteraceae) flowers, namely jacaranone (1), 3a-hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione (2), chlorogenic acid (3), hyperoside (4), quercetin

A new compound from Senecio cannabifolius var integrilifolius.

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Senecio cannabifolius var integrilifolius (Compositae), locally known as "Fanhuncao" in China, is a folk herb used for the treatment of pneumonia, virus influenza and bronchitis. To investigate the chemical constituents of this herb, water extract of the aerial parts was subjected to various

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