21 According to Jayakumar et al (2010), all the
plants used for diabetic treatment are found to possess elaborate potent antioxidant principles such as phenolic or vitamin compounds. 22 Eliakim-Ikechukwu and Obri (2009) suggested that phenolic content of Alchornea cordifolia may have stopped further destruction of the remaining β–cells in the islets by mopping up the circulatory reactive oxygen species generated by the alloxan to destroy the β–cells and then allowing other phytochemicals of the plant to induce regenerative activities. 21 Lakshmi et al (2004) isolated a phenolic glycoside named curculigoside from the rhizome of C. orchioides. 23 Garg et al (1989) also isolated a phenolic glycoside named corchioside–A from methanolic extract of C. orchioides
rhizomes. 24 Earlier report (Patil et al, 2012) from our laboratory has demonstrated Selleckchem Epigenetic inhibitor the presence of β-sitosterol in C. orchioides Gaertn. rhizome extract using HPTLC. 25 Garg et al (1989) also reported the presence of sitosterol and stigmasterol in chloroform extract of C. orchioides rhizomes. 24 Gupta et al (2011) reported promising antidiabetic as well as antioxidant effects of β-sitosterol. 26 Ivorra et al (1998) reported that oral treatment with the glycoside selleckchem or with the β-sitosterol increase fasting plasma insulin levels. They also suggested that β-sitosterol 3-β-D- glucoside acts by increasing circulating insulin levels and that this effect is due to their aglycone β-sitosterol. 27 Hwang et al (2008) also revealed a molecular mechanism underlying the beneficial effects of β-sitosterol on glucose and lipid metabolism. 28 STZ selectively destroys the pancreatic β-cells, which cause the inhibition of synthesis and release of insulin thereby leading to the onset of DM.29 and 30
In pancreas the majority of the islet cells are formed by β-cells which are responsible for producing insulin. Depletion of β-cells will therefore result in insulin deficiency which will lead to disorder in carbohydrate, protein and lipid Idoxuridine metabolism with resultant hyperglycaemia.21 STZ used in the present study is known to induce chemical diabetes by selective destruction of pancreatic cells.31 This was also observed in the present study, in the histopathology of pancreas of diabetic control group. From the histological examination of pancreas it can be concluded that ASCO treatment restored the Libraries activity of islets of Langerhans as compared to diabetic control group. In Glibenclamide treated group and ASCO treated groups, there were more islets compared to diabetic control group and they were comparable to the islets of normal control group. Somewhat similar observations have been also reported by Adewole and Ojewole (2006) and Can et al (2004).
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