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Pakistan Journal of Pharmaceutical Sciences 2019-Mar

Phytochemical screening and antipyretic effects of hydroalcoholic extracts of selected medicinal plants of Rawalakot, Azad Jammu and Kashmir in albino rats.

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Линкът е запазен в клипборда
Mahvish Ajaz
Muhammad Akram
Hafiz Asif
Abid Hussain
Syed Shah
Imtiaz Tahir
Muhammad Daniyal
Fahad Khan

Ключови думи

Резюме

Pyrexia occurs due to infection, malignancy and other diseases. Majority of the antipyretic drugs are synthetic in nature which exerts side effects such as gastric ulcer, hepatic necrosis and renal damage. The antipyretic potential of the hydro-alcoholic extracts of Achillea millefolium, Taraxacum officinale, Salix alba and Trigonella foenum were investigated on the yeast-induced pyrexia in albino rats. Paracetamol was used as a positive control. Rectal temperature of albino rats was verified immediately before the administration of the extracts or vehicle or paracetamol and yet again at 1-hour gap for 6 hours using a digital thermometer. The animals having pyrexia were divided into four groups Group1: Paracetamol was given to positive control. Group 2: Distilled water was given to negative control. Group 3: (250mg/kg) extract of the plant was given to rats (treatment group 1). Group 4: (500mg/kg) extracts of the plant was given to albino rats (Treatment group 2). The extracts were also phytochemically screened for alkaloids, tannins, saponins, flavonoids, cardiac glycosides and phenols. The hydro-alcoholic extracts of plants with the dose of 500mg/kg showed significant (p<0.0001) decrease in yeast-induced pyrexia, as compared with that of set drug paracetamol (150mg/kg) where the extract dose 250mg/kg was less effective than that of standard drug (p<0.05). Phytochemical screening showed the presence of alkaloids, tannins, flavonoids, saponins and phenols. This study showed that hydro-alcoholic extracts of all plants under study at a dose of 500mg/kg have significant antipyretic potential in yeast-induced elevated temperature.

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