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They were fed orally with extracts in the dose range of 5, 50, 300 and 2000?mg/kg body weight (b.w.) post esophagus (p.o.) with the control of 0.5% CMC. The study was carried out as per OECD guidelines-423 (acute toxic class method) . The animals were observed for any signs of toxicity, morbidity and mortality for the first 24?h with special attention during the first 4?h. They were also analyzed for the changes in behavioral, neurological and autonomic profile. Further, they were observed for a period https://en.wikipedia.org/wiki/Heptaminol of 72?h and till the completion of 14 days. Test dose was calculated as per Naskar et al. . The SD rats weighing 100�C150?g were used for the study. Animals were divided into six groups (n?=?6/group) as follows: GI �C normal control (NC) rats received distilled water 5?mL/kg b.w. p.o./7 days. All the animals in the groups, GIII�CGVI were pre-treated with their respective drugs for 5 consecutive days. On the fifth day of experimental period, after the drug administration of respective treatments, all animals except those in GI were administered with paracetamol 2?g/kg b.w. p.o. on the seventh day, after 2?h of respective drug treatments, animals were anaesthetized using diethyl ether inhalation jar. Blood was collected through cardiac http://www.selleckchem.com/products/ITF2357(Givinostat).html puncture and the serum was separated. Liver function biochemical markers such as ALT, AST, ALP, total bilirubin and total protein have been evaluated in the serum obtained from the experimental animals according to the supplier's specifications from the standard kits. One part of the liver tissue from the sacrificed experimental animals was washed and homogenized (1:10, w/v) in ice-cold 50?mmol/L Tris buffer (pH?=?7.4). The contents were centrifuged at 10,000?��?g http://www.selleckchem.com/products/cx-4945-silmitasertib.html for 20?min at 4?��C and the supernatant obtained was analyzed for superoxide dismutase (SOD) , catalase (CAT) , glutathione (GSH)  and glutathione peroxidase (GPx) . Lipid peroxidation byproduct malondialdehyde (MDA) was measured in the form of thiobarbituric acid reactive substance (TBARS) by Ohkawa et al. . Livers excised after sacrificing the animals were immediately washed with buffer and fixed in 10% buffered formalin. They were then dehydrated through graded alcohol series, cleared in xylene and embedded in paraffin wax. Sections of 5�C6?��m thickness were cut using microtome and stained with hematoxylin�Ceosin. The histopathological changes were examined under the microscope (Nikon, Japan) and the images were captured at the magnification of 10 and 40��. The values expressed as mean?��?standard deviation (SD) (n?=?6). The statistical analysis was carried out by one way analysis of variance (ANOVA) followed by post hoc Dunnett's multiple comparison test using the SPSS (Statistical Package for the social Sciences) version 13.0 (SPSS Inc., Chicago, IL, USA). Significant difference were analyzed at three levels; P?