In vitro Antiradical activity and Hepatoprotective potential of Herbal extract from Medicinal plants of Rosaceae family
The experimental study was designed to evaluate the in vitro antioxidant activity and hepatoprotective potential of ethanolic fruit extract of Pyrus pyrifolia (Burm.f.) Nakai. and Prunus avium Linn. in carbon tetrachloride (CCl4)-induced hepatotoxicity in rats. Pharmacognostic evaluation of fruits and their extracts was carried out according to the WHO quality control of herbal drugs. The antiradical activity of ethanol extracts of P. pyrifolia (Burm.f.) Nakai and P. avium L. was determined by using 2,2-diphenyl-1-picrylhydrazyl (DPPH), hydrogen peroxide (H2O2) and nitric oxide free radical scavenging assay. The Wistar albino rats were randomly divided into seven equal groups (n = 5). Group I was treated as normal control. Group II received 0.2% carbon tetrachloride (CCL4) in olive oil (8 mL/kg, i.p) on 14th day; Groups III as standard control contained silymarin (100 mg/kg, p.o) as standard drug once daily for 14 days. Group IV and V were given P. pyrifolia (Burm.f.) Nakai extract (200 and 400 mg/kg, p.o. in olive oil) for fourteen days; Group VI and VII received P. avium Linn. extract (200 and 400 mg/kg p.o. in olive oil) for fourteen days. Group III to VII animals were treated with 0.2% CCl4 in olive oil (8mL/kg, i.p) on the 14th day after the administration (1 hour) of the standard drug and test samples. Histopathological analysis and measurement of serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), total protein (TP), total albumin (TA) and total bilirubin (TB) were performed. Ethanol extract of P.avium L. demonstrated stronger antioxidant and higher total phenolic as well as total flavonoid content than P. pyrifolia (Burm.f.) Nakai. Both the extracts EEPP and EEPA (200 and 400 mg/kg) significantly normalized the CCl4-elevated levels of ALT, AST and ALP. P. pyrifolia (Burm.f.) Nakai and P. avium L. are the edible seasonal fruits that possessed an appreciable amount of phenolic and flavonoid components and could provide considerable protection against CCl4 hepatotoxicity in rodents that may be related to its antioxidant properties and also useful in preventing several degenerative and life threatening diseases.