Diuretic and antioxidant activities of the aqueous extract of leaves of Cassia occidentalis(Linn.) in rats

Objective: To assess the putative diuretic and antioxidant properties of Cassia occidentalis(C. occidentalis) leaves’ aqueous extract. Methods: Adult rats were administered with C. occidentalis leaves aqueous extract acutely(24-h) and subchronically(7 d), at doses 80, 160, 240, 320, and 400 mg/kg(pe...

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Published in:Asian Pacific journal of tropical medicine 2015-09, Vol.8 (9), p.673-681
Main Authors: Ntchapda, Fidèle, Barama, Joseph, Kemeta Azambou, David Romain, Etet, Paul Faustin Seke, Dimo, Théophile
Format: Article
Language:English
Subjects:
Antioxidant
Cassia
Cassia occidentalis
Diuretic
Electrolytes
function
kidney
Kidney function
occidentalis
Urine
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Summary:Objective: To assess the putative diuretic and antioxidant properties of Cassia occidentalis(C. occidentalis) leaves’ aqueous extract. Methods: Adult rats were administered with C. occidentalis leaves aqueous extract acutely(24-h) and subchronically(7 d), at doses 80, 160, 240, 320, and 400 mg/kg(per os). Negative control group received only an equivalent volume of distilled water, while the two positive control groups received the diuretic drugs furosemide(20 mg/kg, i.p.) and hydrochlorothiazide(HCTZ, 20 mg/kg, i.p.). Urinary elimination of electrolytes in response to treatments was evaluated, together with changes in concentrations of creatinine, urea, aldosterone, glucose, and albumin in urine and plasma. Various urinary indicators of kidney function and plasmatic markers of oxidative stress were also assessed. Results: The acute administration of C. occidentalis increased the urinary excretion of 107.58% at the higher dose tested, compared to negative control. The reference drugs furosemide and HCTZ induced increases of 84.27 % and 48.05 %, respectively. Acutely, the extract induced Na+ and Cl- elimination, whereas subchronically an increase in K+ elimination was also observed. The extract also improved the kidney function indexes and oxidative stress markers. These effects were dose-dependent and comparable with positive control observations. Conclusions: Our i ndings strongly suggest that C. occidentalis aqueous extract has diuretic and antioxidant activities, and deserves further studies considering the potential for the treatment of hypertension.
ISSN:1995-7645
2352-4146
DOI:10.1016/j.apjtm.2015.07.030