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All Journal African Journal of Biochemistry and Molecular Biology Research African Journal of Clinical Medicine and Pharmacy Research
Fidelis Okii Ekpo
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Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Nursing Public Health

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Determination of the Hypoglycaemic Effect of the Ethanol Stem Bark Extract of Vitellaria paradoxa on Hyperglycemic Wistar Rats Fidelis Okii Ekpo; Emmanuel Mamman; Ojochenemi Ejeh Yakubu; Janya Danjuma
African Journal of Biochemistry and Molecular Biology Research Vol 1 No 1 (2024): African Journal of Biochemistry and Molecular Biology Research
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajbmbr.v1i1.3469

Abstract

This study investigates the hypoglycaemic effects of the ethanol stembark extract of Vitellaria paradoxa on hyperglycemic rats. It also investigates the phytochemical content of ethanol stem bark extract of Vitellaria paradoxa using the method of Soforh. The result shows that the ethano| stem/bark of the plant contains Tannins 3.92/mg/100g, Alkaloid 7.12/mg/100g, Flavonoids 1.03/gm/100g, phenolics 12.72/mg/100g, Glycosides 4.13/gm/100g, saponins 2.15/mg/100g respectively. The hypoglycemic properties of ethanol stem bark extract of Vitellaria paradoxa were investigated using Fifteen albino Wister rats weighing between 200g to 230g were induced with alloxan monohydrate to make them diabetic. The rats were divided into five groups of three rats. The first group were not induced, tagged normal. The second groups were induced sstandard drug glibenclamide throughout the study period. The fourth groups were induced and treated with 250/mg/kg body weight of the ethanol stem/bar extract of Vitellaria paradoxa throughout the study period. The fifth groups were induced and treated with 500/mg/kg body weight of the extract. The fasting blood glucose level of the rats were taken every three days’ interval for 21 days. At the end of 21 days, the rats treated with 250/mg/kg body weight which started with elevated blood glucose level after induction of 207/mg/dl reduces to 124/mg/dl, similarly the treated with 500/mg/kg body weight of the extract with initial elevated blood glucose level after the induction with diabetic of 221/mg/dl got reduced to 145/me/dl. This indicates that ethanol bark tract of Vitellaria paradoxa showed hypoglycemic properties.
In-Vitro Estimation of Total Phenolic, Flavonoid, Antioxidant Contents and Determination of Flavonoid, Amino Acid, and Vitamin Profiles of Ethanol Leaf Extract of Annona squamosa L. Ojochenemi Ejeh Yakubu; Jankada Patience Audu; Arowora Kayode Adebisi; Danjuma Janya; Abu Michael Sunday; Shitta Nasisi Namuma; Fidelis Okii Ekpo; Maianguwa Abdulrashid Dauda; Josephine Maina Sule; Isaac John Umaru
African Journal of Clinical Medicine and Pharmacy Research Vol 1 No 1 (2024): African Journal of Clinical Medicine and Pharmacy Research
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajcmpr.v1i1.3865

Abstract

Since the beginning of human civilisation, plants have been one of the main sources of medicines. The demand for pharmaceuticals, health products, food supplements, cosmetics, and medications made from plants is expanding. Since ancient times, traditional medicine has made use of the medicinal plant Annona squamosa. The aim of this research is to evaluate the total phenolic, flavonoid, antioxidant contents and the amino acid, and vitamin profiles of ethanol leaf extract of Annona squamosa L. By using the DPPH free radical scavenging experiment, the antioxidant potential of the ethanol leaf extracts was calculated, and the absorbance was determined at 517 nm. The IC50 value of the leaf was estimated to be 4.24 μg/mL. The Folin Ciocalteu method was used to measure the total phenolic content (TPC) spectrophotometrically. Total flavonoid content (TFC) was measured by aluminium chloride colorimetric assay and Quercetin was used as standard, the absorbance was measured at 520nm. The results showed that A. squamosa leaf is a rich source of phenolics and flavonoid (total Phenolic content: 26.01±1.45mg GAE/g and total flavonoid content: 71.20±35.74 mg QE/g). The high contents of phenolic compounds and flavonoid contents indicated that these compounds contribute to the antioxidant activity. A. squamosa can be regarded as promising plant species for natural plant sources of antioxidants with high potential value for drug preparation. The total amount of amino acids was found to be 331.887 uL Several detection and peak resolution were obtained from the HPLC analysis. The result showed the presence of eight amino acids including Asparagine (2.419uL), Threonine (50.828uL), Phenylalanine (37.533uL), Aspartic Acid (144.558uL), Leucine (8.650uL), Iso-Leucine (9.728uL), Glycine (54.060uL) and four vitamins Vitamin K (2.289mg), Vitamin B1 (958.597mg), Vitamin A (13.568mg) and Vitamin E (62.103mg).
Co-Authors Abu Michael Sunday Arowora Kayode Adebisi Danjuma Janya Emmanuel Mamman Isaac John Umaru Jankada Patience Audu Janya Danjuma Josephine Maina Sule Maianguwa Abdulrashid Dauda Ojochenemi Ejeh Yakubu Shitta Nasisi Namuma