Effect of methanolic extract of aframomum melegueta seeds on some biochemical parameters of the brain of rat treated with monosodium glutamate.

dc.contributor.authorFasakin, Olamide Wilson
dc.date.accessioned2025-08-26T13:49:58Z
dc.date.available2025-08-26T13:49:58Z
dc.date.issued2016
dc.descriptionxviii, 120pen_US
dc.description.abstractThe study evaluated the biochemical effects of methanolicextract of Aframomum meleguetaseed on the brain of monosodium glutamate(MSG) neurotoxic induced rats. It also investigated the antioxidant and anti-inflammatory potential of the extract with a view to determining the efficacy of the seed extract as a remedy for management of neurotoxic disorders. Methanolic extract of A. melegueta (MEAM) was prepared according to standard methods,phytochemically screened and evaluated for its anti-inflammatory and antioxidant potentials. The effect of the extract on MSG-treated rats was evaluated using thirty white albinoWisterrats of either sex, which were randomly divided into six groups of five animals each. Group I served as control, Group II received MSG (2 g/kg bwt), Group III received MSG (2 g/kg bwt) and MEAM (125 mg/kg bwt) 1 hr after MSG administration, Group IV received MSG (2 g/kg bwt orally) and MEAM (250 mg/kg bwt) 1hr after MSG administration.Also, Group V received MSG (2 g/kg bwt) and gabapentin (20 mg/kg bwt) 1hr after MSG administration and Group VI receivedMEAM (175 mg/kg bwt) only. The rats were treated orally and consistently for 21 days. The behavioral activities of the animals were monitored and recorded. On the 22nd day,the ratswere sacrificed after overnight fasting. Blood was collected by cardiac puncture while the whole brain wasremoved either for the preparation of10% (w/v) brain homogenate orhistopathological studies. The brain homogenate was used for the evaluation of brain marker enzymes, antioxidants (enzymatic and non-enzymatic),lipid profiles (brain and blood) and protein concentrationwas carried out using standard methods. Histopathological studies were alsocarried out on the brain tissue using standard techniques. Statistical analyses were carried out using GraphPad Prism 3. Phytochemical screening of MEAM revealed the presence of alkaloids, cardiac glycosides, flavonoids, saponins, steroids, tannins and terpenoids. The total flavonoid content of the methanolic extract was 73.98 ±3.08 mg/g RE (Rutin Equivalent), phenolic content was 599.04 ± 7.67 mg/g extract TAE (Tannic acid Equivalent), Vitamins C and E contents of the methanolic extract were 1.61 ± 0.04 mg/g extract and 0.12 ± 0.01 mg/g extract TE (Trolox Equivalent) respectively. The extract exhibited appreciable antioxidant potentials, with DPPH-radical scavenging of IC50 value of 306.84 mg/L and ascorbic acid (15.25 mg/L).The extract also exhibited appreciable anti-inflammatory properties, with percentage membrane stability ranging between 14.13% and 31.17%. The administration of MSGsignificantly causedreduced animal weights (6.06%), glutathione (231.10%), nitric oxide (14.29%), Vitamins C (9.89%) and E (4.85%) levels, as well as reduction of activities of glutathione peroxidase (43.86%), catalase (245.31%) and superoxide dismutase (161.54%). Increase in the activities of Na+K+-ATPase (61.31%), acetylcholinesterase (240.40%), glutamine synthetase (218.99%)and monoamine oxidase (32.85%), as well as increase in protein, lipid profiles and peroxidation (70.36%) levels were recorded. Histopathological observations of the brain tissuesrevealed that the extract protected the brain tissues from the adverse effects of MSG. The study concluded that the extract of A. melegueta seed which ameliorated and reversed the adverse effectselicited by oral administration of MSG on the rats’ brain in a concentration dependent manner could be used in the treatment of neurotoxic disorders.en_US
dc.identifier.citationFasakin, O.W (2016). Effect of methanolic extract of aframomum melegueta seeds on some biochemical parameters of the brain of rat treated with monosodium glutamate. Obafemi Awolowo Universityen_US
dc.identifier.urihttps://ir.oauife.edu.ng/handle/123456789/6713
dc.language.isoenen_US
dc.publisherObafemi Awolowo Universityen_US
dc.subjectNeurotoxic disordersen_US
dc.subjectMonosodium glutamateen_US
dc.subjectBiochemicalen_US
dc.subjectMethanolicen_US
dc.subjectAframomum meleguetaen_US
dc.titleEffect of methanolic extract of aframomum melegueta seeds on some biochemical parameters of the brain of rat treated with monosodium glutamate.en_US
dc.typeThesisen_US
dc.typeThesisen_US
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