Polysaccharides isolated from Echinops sphaerocephalus, Echinops ruthenicus, Echinops exaltatus, Echinops commutatus and Echinops orientalis (Asteraceae family) were investigated to study their qualitative and quantitative relations. The extracts of these studied plants have been used in traditional
2-(Pro-1-ynyl)-5-(5,6-dihydroxypenta-1,3-diynyl) thiophene (PYDDT) is a naturally occurring thiophene isolated from the roots of Echinops grijsii, a Chinese herbal medicine used to treat colon cancer, breast cancer, and lung cancer. There are many reports on the clinical use of Echinops grijsii
The dichloromethane fraction of the crude ethanol extract of Echinops grijissi Hance roots exhibited different cytotoxicity against a panel of four human tumor cell lines, HepG2, K562, HL60 and MCF-7. By a bioassay-guided fractionation, eight thiophenes were isolated from the dichloromethane
Two novel thiophenes, grijisyne A (1), and grijisone A (2), were isolated from the crude ethanolic extract of the roots of Echinops grijissi Hance. Their structures were determined by spectral methods, especially 2D NMR spectra. All the isolated compounds were tested for their anti-tumor activities
BACKGROUND
Echinops giganteus, Imperata cylindrica, Piper capense and Xylopia aethiopica are four medicinal spices used in Cameroon to treat cancers.
OBJECTIVE
The above plants previously displayed cytotoxicity against leukemia CCRF-CEM and CEM/ADR5000 cell lines as well as human pancreatic
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