Journal of ethnopharmacology · 2015
Aqueous root extract of Lecaniodiscus cupanioides restores nitric oxide/cyclic guanosine monophosphate pathway in sexually impaired male rats.
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Nurudeen Quadri O, Ajiboye Taofeek O, Yakubu Musa T, Oweh Oghenetega T, Nosarieme Omoregie
Аннотация
ETHNOPHARMACOLOGICAL RELEVANCE: Aqueous root extract of Lecaniodiscus cupanioides is widely used in the management of sexual dysfunction in Nigeria. The effect of aqueous root extract of L. cupanioides root on the concentrations of penile cyclic Guanosine Monophosphate (cGMP) and plasma nitric oxide in paroxetine-induced sexually impaired male rats was evaluated.
METHODS: Thirty (30) albino rats were assigned into six groups (A, B, C, D, E and F) of five rats each such that animals in Group A (control) received distilled water while those in Groups B, C, D, E and F which were induced into sexual dysfunction (p.o 10mg/kg of paroxetine hydrochloride suspension in Tween-80) and in addition received distilled water, 7.14 mg/kg body weight of a reference herbal drug (PowmaxM), 25, 50 and 100mg/kg body weight of the extract respectively, orally, once daily for five days.
RESULTS: Administration of paroxetine significantly reduced the levels of penile cyclic Guanosine Monophosphate (cGMP) and plasma nitric oxide. These decreases were dose dependently reversed by the aqueous extract of L. cupanioides root. The reversal by the 25 and 50mg/kg body weight of the extract compared favorably with the PowmaxM, whereas the 100mg/kg body weight of the extract compared favorably with the non-sexually impaired distilled water treated control animals.
CONCLUSION: The results of this study show that aqueous extract of L. cupanioides root restored the levels of cGMP and nitric oxide in sexually impaired rats. This study further lends credence to the use of aqueous root extract of L. cupanioides in the management of sexual dysfunction in Nigeria.
METHODS: Thirty (30) albino rats were assigned into six groups (A, B, C, D, E and F) of five rats each such that animals in Group A (control) received distilled water while those in Groups B, C, D, E and F which were induced into sexual dysfunction (p.o 10mg/kg of paroxetine hydrochloride suspension in Tween-80) and in addition received distilled water, 7.14 mg/kg body weight of a reference herbal drug (PowmaxM), 25, 50 and 100mg/kg body weight of the extract respectively, orally, once daily for five days.
RESULTS: Administration of paroxetine significantly reduced the levels of penile cyclic Guanosine Monophosphate (cGMP) and plasma nitric oxide. These decreases were dose dependently reversed by the aqueous extract of L. cupanioides root. The reversal by the 25 and 50mg/kg body weight of the extract compared favorably with the PowmaxM, whereas the 100mg/kg body weight of the extract compared favorably with the non-sexually impaired distilled water treated control animals.
CONCLUSION: The results of this study show that aqueous extract of L. cupanioides root restored the levels of cGMP and nitric oxide in sexually impaired rats. This study further lends credence to the use of aqueous root extract of L. cupanioides in the management of sexual dysfunction in Nigeria.