High blood pressure & cardiovascular prevention : the official journal of the Italian Society of Hypertension · 2021
Effect of Methanol Extract of Baobab (Adansonia digitata L.) Fruit Pulp on NG-Nitro-L-Arginine Methyl Ester (L-NAME) Induced Hypertension in Rats.
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Liman Abubakar Alhaji, Salihu Aliyu, Onyike Elewechi
Аннотация
INTRODUCTION: Most available drugs used for management of hypertension have presented a plethora of challenges which genuinely called for development of therapies from natural sources.
AIM: This study investigated the effect of methanol extract of Adansonia digitata fruit (MEADF) pulp on NG-nitro-L-arginine methyl ester (L-NAME) induced hypertension in rats.
METHODS: Fourty eight (48) wistar rats divided into six (6) groups (eight rats each) were employed. The induction of hypertension was achieved using L-NAME (40mg//kg body weight) by oral gavages. The induced rats were treated with MEADF pulp (200 and 400 mg/kg body weight) and Ramipril (10 mg/kg) and the remaining three groups serve as control. Serum haemodynamic and biochemical modifiable parameters were determined using standard assay procedures RESULTS: Administration of MEADF to the rats exerted a dose-dependent lowering effect on the elevated systolic blood pressure, diastolic blood pressure, mean arterial pressure and heart rate towards the normal physiological threshold. At 400 mg/kg of MEADF, there was significant (p < 0.05) reduction in serum lipid profile and biomarkers associated with endothelial dysfunction [angiotensin converting enzyme (ACE) activity], inflammation (C-reactive protein and interleukin-1β), oxidative stress (malondialdehyde) and cardiac injury (creatine kinase-MB and lactate dehydrogenase activities). However, serum concentrations of nitric oxide, high density lipoprotein cholesterol, total bilirubin and albumin were not significantly (p < 0.05) different from those found in normal control group.
CONCLUSION: This study therefore demonstrates that MEADF possesses an in vivo ACE inhibitory activity, hypotensive potential and the ability to avert further degeneration of biochemical and physiological upsets associated with L-NAME induced hypertension.
AIM: This study investigated the effect of methanol extract of Adansonia digitata fruit (MEADF) pulp on NG-nitro-L-arginine methyl ester (L-NAME) induced hypertension in rats.
METHODS: Fourty eight (48) wistar rats divided into six (6) groups (eight rats each) were employed. The induction of hypertension was achieved using L-NAME (40mg//kg body weight) by oral gavages. The induced rats were treated with MEADF pulp (200 and 400 mg/kg body weight) and Ramipril (10 mg/kg) and the remaining three groups serve as control. Serum haemodynamic and biochemical modifiable parameters were determined using standard assay procedures RESULTS: Administration of MEADF to the rats exerted a dose-dependent lowering effect on the elevated systolic blood pressure, diastolic blood pressure, mean arterial pressure and heart rate towards the normal physiological threshold. At 400 mg/kg of MEADF, there was significant (p < 0.05) reduction in serum lipid profile and biomarkers associated with endothelial dysfunction [angiotensin converting enzyme (ACE) activity], inflammation (C-reactive protein and interleukin-1β), oxidative stress (malondialdehyde) and cardiac injury (creatine kinase-MB and lactate dehydrogenase activities). However, serum concentrations of nitric oxide, high density lipoprotein cholesterol, total bilirubin and albumin were not significantly (p < 0.05) different from those found in normal control group.
CONCLUSION: This study therefore demonstrates that MEADF possesses an in vivo ACE inhibitory activity, hypotensive potential and the ability to avert further degeneration of biochemical and physiological upsets associated with L-NAME induced hypertension.