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Year : 2019  |  Volume : 9  |  Issue : 10  |  Page : 424-433

Hydroalcoholic extract of licorice (Glycyrrhiza glabra L.) root attenuates ethanol and cerulein induced pancreatitis in rats

1 Department of Biochemistry, Bharathi Women's College, Broadway, Chennai, India
2 Dr. Ambedkar Government Arts College, Vyasarpadi, Chennai, India

Correspondence Address:
Dr. Geetha Arumugam
Dr. Ambedkar Government Arts College Vyasarpadi, Chennai – 600 039, Tamilnadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2221-1691.269524

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Objective: To evaluate the therapeutic potential of hydroalcoholic extract of licorice root against ethanol and cerulein induced chronic pancreatitis in rats. Methods: The phytochemical profile of hydroalcoholic extract of licorice root was determined by high performance liquid chromatography (HPLC) and gas chromatography coupled to mass spectrometry (GC-MS). Chronic pancreatitis was induced in male albino Wistar rats by feeding them a diet containing ethanol (0%-36% of total calories) for 4 weeks and cerulein (20 μg/kg b.wt, i.p.) thrice a week for 3 weeks. Lipase and amylase in serum, lipid peroxides and antioxidants including reduced glutathione, glutathione peroxidase, superoxide dismutase and catalase in pancreas were determined. Inflammatory response was measured by myeloperoxidase in the pancreas, caspase-1 and the concentrations of IL-1 β and IL-18 in serum. Moreover, histological evaluation of the pancreas and liver was carried out. Results: Different flavonoids and saponins were identified in the hydroalcoholic extract of licorice root through HPLC and GC-MS. A marked increase in the levels of serum lipase, amylase, lipid peroxides, caspase-1, myeloperoxidase, IL-1 β , and IL-18 and a marked decrease in the levels of antioxidants were observed after ethanol and cerulein administration. Treatment with hydroalcoholic extract of licorice root attenuated these changes. In addition, histological observation confirmed the protective effect of the extract in the pancreas and liver against inflammatory changes induced by ethanol and cerulein. Conclusions: The licorice root extract attenuates ethanol and cerulein induced pancreatitis in rats probably due to its antioxidant phytonutrients since ethanol and cerulein-induced production of reactive oxygen species contributes to severe inflammation in the pancreas.

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