Seena, et al.: A Critical Study on Hypoglycaemic Effect of GlibenclamideThe present study is aimed to evaluate the hypoglycaemic effect of glibenclamide monotherapy on streptozotocin-induced diabetic rats and therapeutic impact of this agent on various organs by measuring the oxidative stress biomarker, lipid peroxidation and creatinine after a specific period of oral treatment. Eighteen male Wistar rats were taken of which twelve were randomly selected and diabetes was induced using streptozotocin (40 mg/kg) intraperitoneally, while 6 rats were vehicle injected. After inducing diabetes, the animals were grouped into healthy normal, diabetic control and diabetic test groups. The diabetic test rats were treated with glibenclamide (10 mg/kg) orally for 10 days continuously. On the 30th day of the experiment, all the animals were sacrificed and their blood and a portion of both the liver and pancreas were taken for biochemical analysis. The experimental parameters such as body weight, fasting blood glucose level, serum creatinine level and tissue lipid peroxidation status using malondialdehyde assay were investigated. All the results of the experimental data were analysed statistically using one-way analysis of variance using the SPSS 16. The current study reveals that glibenclamide treatment has a significant role in lowering the blood glucose but at the same time it increased the oxidative stress, which was reflected in the elevated malondialdehyde activity of both the hepatic and pancreatic tissues.
The present study focused on the use of pineapple plant stem, which is an agro-waste, for the production of starch (11.08 % ± 0.77). Characters were studied using X-ray diffraction, nuclear magnetic resonance spectroscopy (NMR), fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC) and rheological methods. The granular size of stem starch was comparatively smaller than corn starch granules. The X-ray diffraction data revealed that stem starch has an A-type crystal structure. The molecular structure was similar to those obtained for native starches, which is confirmed by NMR and FTIR. The gelatinization temperature was observed to be higher than corn starch and rheological studies revealed; stem starch is more viscous than corn starch. The purity analysis showed that the harmful heavy metals were in negligible quantity and the tested pesticides were absent. This could make this a good source of starch for food industries. Results revealed that this agro-waste has a high potential for the production of good quality starch.
The effects of fiber isolated from black gram (Phaseolus mungo) and coconut (Cocos nucifera) kernel on the metabolic activity of intestinal and fecal beta glucuronidase activity during 1,2-dimethylhydrazine induced colon carcinogenesis were studied. The results indicated that the inclusion of fiber from black gram and coconut kernel generally supported lower specific activities and less fecal output of beta-glucuronidase than did the fiber free diet. This study suggests that the fibers isolated from coconut or black gram may potentially play a role in preventing the formation of colon tumors induced by the carcinogen 1,2-dimethylhydrazine by reducing the activity of the intestinal as well as fecal beta-glucuronidase.
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