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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-9827
Vol. 13, No. 7, 2014, pp. 1121-1125
Bioline Code: pr14156
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 13, No. 7, 2014, pp. 1121-1125

 en Phytochemical Screening and Evaluation of the Diuretic Activity of Aqueous Methanol Extract from Aerial Parts of Mentha viridis check for this species in other resources Linn (Labiatae) in Albino Rats
Aziz, Muhammad Majid; Saqib, Najam Us; Akhtar, Naveed; Asif, Hafiz Muhammad; Jamshaid, Muhammad; Sultana, Sabira & Bashir, Kamran


Purpose: To evaluate the diuretic effect of the aqueous methanol extract of Mentha viridis check for this species in other resources Linn (Labiatae) in Albino rats.
Methods: The aqueous-methanol extract of Mentha viridis was administered to experimental rats at doses of 30, 50 and 100 mg/kg, (i.p.) Furosemide 10 mg/kg (i.p.) and normal saline were used as reference drug and control, respectively. Diuretic effect was examined immediately after injecting the drugs and on an hourly basis by measuring the urine volume of the rats, sodium and potassium content and pH of the urine, comparing with that of the control. Preliminary phytochemical analysis of the extract was carried out to determine major constituents.
Results: The extract induced diuretic effects and induced electrolytes excretion in a dose- dependent manner in comparison with control. The extract (100 and 50 mg/kg) significantly (p < 0.01) increased the volume of urine in comparison to control group. Excretion of potassium and sodium also significantly (p< 0.05) increased following extract administration. However, there was no significant change in the pH of urine samples of the extract-treated group compared with control. The diuretic effect of extract was comparable to that of the reference drug (furosemide). Phytochemical analysis revealed the presence of alkaloids, flavonoids, tannins and saponins.
Conclusion: The results indicate that the aqueous-methanol extract of Mentha viridis produced a diuretic effect that was comparable with that of the reference diuretic, furosemide, thus lending support for the traditional use of Mentha viridis as a diuretic agent.

Diuretic activity; Potassium; Sodium; Urine volume; Mentha viridis; Furosemide; Phytochemical screening

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