Background:An Indian origin, Celosia argentea is a weed growing during rainy season traditionally claimed for treating several ailments. Early researches on C. argentea were focused on the anti-cancer screening of seeds, with few reports on aerial parts.Objective:To isolate and characterize bioactive compounds of aerial parts of C. argentea and evaluate their anticancer potential.Materials and Methods:The methanolic aerial part extract was fractionated on column chromatography using chloroform: methanol mixture. The fractions; 80:20 and 95:5 were purified on MCI-HP20 HPLC column. Chromatographically pure compounds were pooled, concentrated and characterized spectroscopically. The compounds were further screened for anti-oxidant and cytotoxic potential.Results:Isolated compounds were confirmed as: (1) Luteolin-7-O-glucoside and (2) phenolic, 1-(4-hydroxy-2-methoxybenzofuran-5-yl)-3-phenylpropane-1,3-dione. Both exhibited significant antioxidant potential with IC50 values of 20.80 and 21.30 μg/ml for 2,2-diphenyl-1-picrylhydrazyl assay (***P < 0.001) and significant Trolox equivalent antioxidant capacity (TEAC) values for 2,2’-azino-bis(3-ethylbenzthiazoline-6-sulphonic acid) (*P < 0.05) and ferric reducing antioxidant potential assay (****P < 0.0001). In 3(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazoliumbromide assay, Compound 1 and 2 showed potent cytotoxicity against SiHa, HCT, MCF-7 cancer cell lines at 20 μg/ml (****P < 0.0001) and 18 μg/ml (**P < 0.01), respectively, without affecting the normal Vero cells. Both compounds enabled maximum reduction in cell viability at 50 μg/ml against HT-29 (***P < 0.001) and MCF-7 cell lines (**P < 0.01) in try pan blue viability assay. Apoptosis occurred at concentrations of 47.33 ± 0.8 μg/ml and 56.28 ± 1.2 μg/ml for Compound 1 and 35.15 ± 0.4 μg/ml and 28.05 ± 0.3 μg/ml for Compound 2 for HT-29 and MCF-7 respectively.Conclusion:A novel anticancer phenolic compound; (1-(4-hydroxy-2-methoxybenzofuran-5-yl)-3-phenylpropane-1,3-dione), isolated from aerial parts of C. argentea was a valuable finding of the research.SUMMARY The present study validated the potential of the plant C. argentea as an antioxidant, and anticancer remedy with two valuable isolations. Although one of them is a known compound: Luteolin 7-0 glycoside, the other isolated phenolic compound;-{1-(4-hydroxy-2-methoxybenzofuran-5-yl)-3-phenylpropane-1,3-dione}, is the first to be reported and thus can be considered as a valuable outcome of this research work
Introduction: Chicory (Cichoriumintybus) commonly known as kasni has health benefits such as improving liver health, digestion, boosting immune system possibly because of its water soluble dietary fibres and polyphenols. A diet rich in polyphenols and fibers helps in loweringcholesterol leading to less plaque formation, preventing blockage and risk of stroke. Owing to the fact that these polyphenols may reduce the elevated glucose the present research work was undertaken to extract the polphenols from Chicory roots and evaluate their antioxidant and hypoglycemic potential. Materials and Methods: Polyphenol rich fraction of root extract was subjected to estimation of total phenolic estimation and free radical scavenging activity using various antioxidant assays. The antidiabetic potential of the polyphenol rich fraction was also estimated using Alloxan Induced Diabetic Rat model. Results:The total phenolic content of the polyphenolic fraction was found to be 30.23μg/ml. The IC 50 values for DPPH and ABTS assay for the polyphenolic fraction were found to be 60µg/ml and 4.2mg/ml respectively. The TEAC value was found to be 1.178 mM. Administration of polyphenol rich fraction (30 mg/kg, p.o.) decreased elevated SG from 122mg/dl to78.
Introduction: Oxidative stress due to reactive oxygen species often leads to pathogenesis of chronic diseases such as cancer. Research states that a diet rich in polyphenols renders many health benefits by scavenging such harmful reactive species. Celosia argentea (Amaranthaceae), a common weed in India has been reported as a potential source of cheap, natural antioxidants due to its phenolic abundance. In this research work efforts were made to identify and screen the phenolic rich fractions of Celosia argentea for their antioxidant and anticancer potential. Materials and Methods: Various solvent fractions with increasing polarity were subjected to total phenolic content, followed by antioxidant assays-DPPH, ABTS and anti proliferative assays-Brine shrimp Bioassay, Antimitotic and MTT assays.
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