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Hepatoprotective and antioxidant effect of Bauhinia hookeri extract against carbon tetrachloride-induced hepatotoxicity in mice and characterization of its bioactive compounds by HPLC-PDA-ESI-MS/MS.

ABSTRACT: The hepatoprotective and antioxidant activity of Bauhinia hookeri ethanol extract (BHE) against CCl4-induced liver injury was investigated in mice. BHE was administered (500 and 1000 mg/kg/day) along with CCl4 for 6 weeks. The hepatic marker enzymes: alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP) were determined in the serum. The antioxidant parameters: glutathione (GSH), superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reductase (GR), glutathione transferase (GST), and malondialdehyde (MDA) were estimated in the liver homogenate. BHE treatment significantly inhibited the CCl4-induced increase in ALT (44 and 64%), AST (36 and 46%), ALP (28 and 42%), and MDA (39 and 51%) levels at the tested doses, respectively. Moreover, BHE treatment markedly increased the activity of antioxidant parameters GSH, GPx, GR, GST, and SOD. Histological observations confirmed the strong hepatoprotective activity. These results suggest that a dietary supplement of BHE could exert a beneficial effect against oxidative stress and various liver diseases by enhancing the antioxidant defense status, reducing lipid peroxidation, and protecting against the pathological changes of the liver. The hepatoprotective activity of BHE is mediated, at least in part, by the antioxidant effect of its constituents. The active constituents of BHE were identified by HPLC-PDA-ESI/MS/MS.

SUBMITTER: Al-Sayed E

PROVIDER: S-EPMC4053259 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Hepatoprotective and antioxidant effect of Bauhinia hookeri extract against carbon tetrachloride-induced hepatotoxicity in mice and characterization of its bioactive compounds by HPLC-PDA-ESI-MS/MS.

Al-Sayed Eman E Martiskainen Olli O Seif el-Din Sayed H SH Sabra Abdel-Nasser A AN Hammam Olfat A OA El-Lakkany Naglaa M NM Abdel-Daim Mohamed M MM

BioMed research international 20140514

The hepatoprotective and antioxidant activity of Bauhinia hookeri ethanol extract (BHE) against CCl4-induced liver injury was investigated in mice. BHE was administered (500 and 1000 mg/kg/day) along with CCl4 for 6 weeks. The hepatic marker enzymes: alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP) were determined in the serum. The antioxidant parameters: glutathione (GSH), superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reduc ...[more]

PMID: 24955350

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Project description:The aim of the presented work involves the isolation, characterization, and evaluation of hepatoprotective potential of Clerodendrum paniculatum flower extracts. For this purpose, petroleum ether, chloroform, ethyl acetate, alcohol, and water extracts of C. paniculatum flower were screened for the flavonoid and phenolic content and quantified. Various antioxidant activity assays including 2,2'-diphenyl-1-picrylhydrazyl (DPPH), nitric oxide (NO) radical scavenging, 2,2-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and reducing ability were carried out. Of the above methods, the alcoholic extract exhibited high antioxidant potential and was selected further for the hepatoprotective evaluations. Hepatoprotective evaluation of the alcoholic extract was carried out for carbon tetrachloride (CCl4)-intoxicated model systems. Enzymes associated with liver functions were estimated, and histopathological evaluations were carried out to monitor the liver architecture. Prominently, reduced levels of various associated enzymes along with increased protein content were observed when the liver specimen was pretreated with the extract. Moreover, the liver architecture was almost comparable to that of the normal control group. The column chromatographic analysis of the extract revealed 13 fractions to possess high phenolics and flavonoid contents. The best two fractions were identified for in vitro hepatoprotective evaluation in the goat liver model. Furthermore, the GC-MS analyses of the fractions were carried out followed by a library search, to identify the constituents responsible for the hepatoprotective activity which revealed the presence of four major constituents-pilocarpine, glyceric acid, pangamic acid, and gallic acid. An in vitro hepatoprotective study of the isolated fractions showed better activity compared to the whole alcoholic extract, and the results were comparable to the normal group taken as a control. The investigations with an in vitro model suggest that the isolated fraction with rich flavonoid content showed better hepatoprotective activity. GC-MS analysis of the fractions that displayed good hepatoprotective activity suggested the presence of pilocarpine, glyceric acid, pangamic acid, and gallic acid, while HPTLC analysis revealed the presence of quercetin.

Dataset Information

Hepatoprotective and antioxidant effect of Bauhinia hookeri extract against carbon tetrachloride-induced hepatotoxicity in mice and characterization of its bioactive compounds by HPLC-PDA-ESI-MS/MS.

Publications

Hepatoprotective and antioxidant effect of Bauhinia hookeri extract against carbon tetrachloride-induced hepatotoxicity in mice and characterization of its bioactive compounds by HPLC-PDA-ESI-MS/MS.

Similar Datasets

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