Biochemical and haematological changes following an acute toxicity study of a hydro-ethanolic whole plant extract of Synedrella nodiflora (L) Gaertn in male Sprague-Dawley rats

S Adjei, P Amoateng, D Osei-Safo, B Ahedor, BB N’guessan, P Addo, IJ Asiedu-Gyekye

Abstract


Synedrella nodiflora (L) Gaertn (family Asteraceae), a common weed in Ghana, is traditionally used for the management of epilepsy, hiccup and threatened abortion. To further promote the ethno-pharmacological uses of the plant, an acute toxicity of a hydro-ethanolic whole plant extract was assessed in male Sprague-Dawley rats. The lethal dose (LD50) and effects of a single oral admin-istration of the extract (1600, 3200 and 6400 mg kg-1) on haematological and serum biochemical parameters were measured. The extract produced no mortality in the rats treated during a 48-hour examination and after a subsequent 12-day assessment. Thus the LD50 was indicated as being greater than 6400 mg kg-1. The extract also did not significantly affect any of the haematological and serum biochemical indices. This result suggests that acute oral administration of the hydro-ethanolic extract of Synedrella nodiflora is virtually non-toxic in male Sprague-Dawley rats under normal laboratory conditions.

Keywords: Synedrella nodiflora, acute toxicity, Sprague-Dawley rats, haematology, biochemical analysis


Keywords


Synedrella nodiflora, acute toxicity, Sprague-Dawley rats, haematology, biochemical analysis

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