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- SourceAvailable from: Velliyur Kanniappan Gopalakrishnan[Show abstract] [Hide abstract]
ABSTRACT: Aim The present study was undertaken to investigate the effect of Emilia sonchifolia on azaserine (O-diazoacetyl-L-serine) -induced pancreatic dysplasia in Wistar albino rats. Methods Administration of azaserine [30 mg/kg body weight intraperitoneal (i.p.) weekly for 1 month] to male Wistar albino rats resulted in pancreatic dysplasia, which was evident from the histopathological studies. Results A significant decrease of pancreatic and hepatic enzymatic antioxidants like superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione-S-transferase (GST), and non-enzymatic antioxidants like vitamin C, glutathione (GSH) content, and a significant increase in pancreatic serum amylase and lipase, and hepatic marker enzymes aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP) were found. Treatment of rats with the n-hexane extract of Emilia sonchifolia for 16 weeks resulted in a concomitant reduction in pancreatic and hepatic damage. Conclusion The results suggest that Emilia sonchifolia can be used as a therapeutic agent against precancerous lesions which could prevent pancreatic dysplasia.
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ABSTRACT: The present study deals with the removal of Cr (III) ion from aqueous solutions onto water washed raw leaves of Ricinus communis (RLRC) and microwave assisted zinc chloride activated Leaves of Ricinus communis (ZLRC). The adsorbent has been characterized with FTIR, SEM-EDAX and XRD studies. Adsorption experiments were carried out systematically by batch experiments to investigate the influence of different factors, such as contact time, initial concentration of metal ions, and pH of the solutions. The influence of other metal ions on the adsorption of Cr (III) ions was investigated. Adsorption capacity of the binary and ternary metal ions tested on RLRC and ZLRC was low as compared to single metal ions. The maximum adsorption of Cr (III) was observed at pH 7.05 for RLRC (47.37%) and ZLRC (58.97%). The adsorption of Cr (III) ions from aqueous solutions on RLRC and ZLRC could be favorably described by Langmuir isotherm, the adsorption kinetics was well fitted in Pseudo-second order and intra particle diffusion model. We investigate the recovery of the used adsorbent for its reusing is of great importance for environmental and economical reasons. i.e., RLRC and ZLRC will be recovered by desorption method by using proper desorption agent like H2O by batch mode study. Among RLRC and ZLRC, ZLRC shows most adsorption ability than RLRC. According to the experimental results, the adsorbent derived from this material is expected to be an economical product for metal ion remediation from water and waste water.
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ABSTRACT: Objective To find out the secondary metabolites present in the various extracts of Citrullus lanatus (C. lanatus) (Thunb.) and mineral content present in the plant material.Methods The powdered plant material was extracted using different solvents. Phytochemical screening and HPTLC fingerprinting analysis were then carried out.ResultsThe ethanolic seed extract of C. lanatus showed the presence of majority of secondary metabolites when compared to other solvent system. The quantitative analysis of the plant material also revealed the presence of various amount of carbohydrates, phenols, flavonoids, proteins, fibre, phosphorus and irons. The HPTLC fingerprinting analysis was carried for flavonid and phenolic compounds by using CAMAG LINOMAT 5 instrument which revealed the presence of flavonoid and phenolic compound especially quercetin in the ethanolic seed extract of C. lanatus.Conclusions The results scientifically validate the use of C. lanatus in the traditional medicine and it can be used to treat various disorders caused by free radical and chemical substances due to presence of secondary metabolites.
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