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Abstract Title:

Hepatoprotective Effects of Nonpolar Extracts from Inflorescences of Thistlesandon Acute Liver Damage in Rat.

Abstract Source:

Pharmacogn Mag. 2018 Jan ;13(Suppl 4):S860-S867. Epub 2018 Jan 31. PMID: 29491645

Abstract Author(s):

Eduardo Fernández-Martínez, Maribel Jiménez-Santana, Mónica Centeno-Álvarez, Jose Martín Torres-Valencia, Mineko Shibayama, Raquel Cariño-Cortés

Article Affiliation:

Eduardo Fernández-Martínez

Abstract:

Background: Drugs for the treatment of liver diseases are scarce and not effective enough. Some species of the genuspossess hepatoprotective activity. There are no studies on the hepatoprotective effects of nonpolar extracts from inflorescences of thistlesand, and there are few reports on their chemical composition.

Objective: The aim is to obtain the hexane extract from inflorescences of both thistles and to identify preliminarily their main chemical component, and to evaluate the hepatoprotective properties of the extracts.

Materials and Methods: Hexane extracts were obtained using a Soxhlet apparatus. The chemical composition was analyzed using infrared spectra and gas chromatography-mass spectrometry. Two doses (250 and 500 mg/kg, p.o.) of both extracts were administered to assess their hepatoprotective effect on acute carbon tetrachloride (TC)-induced liver damage in rats using biochemical markers of necrosis, cholestasis, functionality, oxidative stress, and histological analysis.

Results: Extracts were shown to have a very similar chemical profile. Their major constituent seems to be lupeol acetate. The two doses of both extracts demonstrated comparable hepatoprotective properties because they significantly diminished all the liver injury indicators (<0.05) and were corroborated using histopathology.

Conclusion: This is the first study on the hepatoprotective effects of nonpolar extracts from inflorescences of thistlesand. Hexane extracts administration totally prevented the acute TC-induced liver damage. The preliminary chemical analysis strongly suggests the lupeol acetate as their major constituent. Lupeol and its derivatives have been previously reported as antiinflammatory and hepatoprotective agents.

SUMMARY: Hexane extracts of both thistles kept normal liver functionality and glycogen store in carbon tetrachloride-induced acute liver damageHexane extracts of both thistles showed anti-necrotic and anti-cholestatic effects, also diminished the lipid peroxidation and nitric oxide levels on the carbon tetrachloride-induced acute liver damageThe two doses of hexane extracts administered (250 and 500 mg/kg) prevented the liver injury in a very similar extentBoth nonpolar extracts are chemically very similar and their main compound seems to be lupeol acetate.TC: Carbon tetrachloride; FT-IR: Fourier transform Infrared spectroscopy; GC-MS: Gas chromatography - Mass spectrometry; V: Vehicle; E: Extract; Ecv: Extract of; Ece: Extract of; AP: Alkaline phosphatase; GGTP:γ-Glutamyl transpeptidase; ALT: Alanine aminotransferase; DB: Direct bilirubin; TB: Total bilirubin; LP: Lipid peroxidation; MDA: Malondialdehyde; NO: Nitric oxide; TNF-α: Tumor necrosis factor-α.

Study Type : Animal Study

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