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Abstract Title:

Antioxidant and Hepatoprotective Potential of Phenol-Rich Fraction of Juniperus communis Linn. Leaves.

Abstract Source:

Pharmacogn Mag. 2017 Jan-Mar;13(49):108-113. PMID: 28216892

Abstract Author(s):

Akash Ved, Amresh Gupta, Ajay Kumar Singh Rawat

Article Affiliation:

Akash Ved

Abstract:

BACKGROUND: Juniperus communis Linn. is an important plant in India traditional system of medicine which is widely used by different tribes in many countries.

OBJECTIVE: In the present study, the antioxidant, cytotoxic and hepatoprotective activities of Juniperus communis leaves were investigated against various models.

MATERIALS AND METHODS: ethanolic extract (70% v/v) of J. communis leaves was successively extracted using hexane and ethyl acetate to prepare various fractions. Total phenol content was resolute by the Folin-Ciocalteau's process. The antioxidant properties of the different fractions/extract of leaves of J. communis were examined by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity and Fe(2+) chelating ability. Cytotoxic activity was examined by cell viability assay on HepG2 cells. Hepatoprotective activity of ethyl acetate fraction (EAF) evaluated against PCM-Paracetamol-induced hepatic damage in Wistar albino rats.

RESULTS: Total phenol content was found maximum 315.33 mg/GAE/g in EAF. Significant scavenging activity were found for EAF (IC50 = 177μg/ml) as compared to standard BHT (IC50 = 138 μg/ml), while EAF showed good Fe(2+) chelating ability having an IC50 value of 261 mg/ML compared to standard ethylenediaminetetraacetic acid (7.7 mg/mL). It was found that EAF treated group shows remarkable decrease in serum Aspartate aminotransferase, serum Alanine aminotransferase, total bilirubin, direct bilirubin, and alkaline phosphatase level in treatment group as compared to the hepatotoxic group.

CONCLUSION: EAF of J. communis leaves is found to be potent antioxidant and hepatoprotective without any cytotoxicity and it can also be included in nutraceuticals with notable benefits for mankind or animal health.

SUMMARY: Phenol-rich fraction (PRF) and other fractions/extract of Juniperus communis leaves were screened for antioxidant, cytotoxic, and hepatoprotective activity.Significant antioxidant and hepatoprotective activity without any cytotoxicity were found while treating with ethyl acetate fraction (EAF). Abbreviations used: HepG2: Liver hepatocellular carcinoma, BHT: Butylated hydroxytoluene, PCM: Paracetamol, IC50: Half maximal inhibitory concentration, RSA: Radical Scavenging Activity, WST: Water-soluble tetrazolium.

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