scholarly journals Central nervous system depressant activity of ethanol leaf extract of Globimetula braunii (Engler) (Loranthaceae) growing on Terminalia catappa L. (Combretaceae)

2020 ◽  
Vol 12 (1) ◽  
pp. 321-327
Author(s):  
Suleiman Danladi ◽  
Musa Aliyu Muhammad ◽  
Abdullahi Hamza Yaro
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Leaf Extract ◽  
Lethal Dose ◽  
Median Lethal Dose ◽  
Cns Depressant ◽  
Board Test ◽  
Central Nervous System Depressant ◽  
Hole Board ◽  
Hole Board Test

This study was carried out to determine phytochemical constituents, median lethal dose (LD50) and central nervous system depressant activity of ethanol leaf extract of Globimetula braunii using laboratory animal models. The intraperitoneal median lethal dose (LD50) of ethanol leaf extract of Globimetula braunii was determined in mice according to the method described by Lorke, 1983. The CNS depressant activity of Globimetula braunii leaf extract was determined using diazepam induced sleep, hole board test and beam walk assay. The ethanol leaf extract of Globimetula braunii revealed the presence of tannins, saponins, steroids, triterpenes, flavonoids and glycoside. The intraperitoneal median lethal dose of the leaf extract of Globimetula braunii was estimated to be 2852 mg/kg bodyweight in mice. The ethanol leaf extract of Globimetula braunii significantly (p <0.05) prolonged the duration of sleep in mice at the dose of 800 mg/kg. The extract prolonged the time to complete the beam walk, and exhibited significant decrease in number of head dips there by indicating a decrease in the exploratory behaviour of the animal. This study suggests that Globimetula braunii possesed sedative property. Keywords: Beam walk assay, diazepam induced sleep, hole board test, central nervous system, Globimetula braunii

scholarly journals Neuropharmacological and gastrointestinal evaluation of coloring agent metanil yellow used in food and beverages

2019 ◽  
Vol 8 (1) ◽  
pp. 35-44
Author(s):  
Md Arfanur Rahman ◽  
Arpon Krishna Bala ◽  
Md Ataur Rahman ◽  
Md Kamrul Hasan ◽  
Runa Masuma
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Body Weight ◽  
Gastrointestinal Tract ◽  
Open Field ◽  
Board Test ◽  
Hole Board ◽  
Metanil Yellow ◽  
Hole Board Test ◽  
Coloring Agents

Metanil yellow as a coloring agent is widely used in food industry to make food more appealing, appetizing and informative. Regulatory organization like FDA maintains strict rules but in our country coloring agents are at randomly used. This study is designed to evaluate side effects of metanil yellow on central nervous system and gastrointestinal tract in mice. Open field, hole board and hole cross tests were done to evaluate the effects of central nervous system; while castor oil and magnesium sulfate induced diarrheal tests were done to observe the effects on gastrointestinal tract. The mice were administered a dose of 5 gm/kg body weight of metanil yellow considered as 1x dose (MTYx) and another dose of 20 gm/kg body weight of metanil yellow considered as 4x dose (MTY4x). In the study, the metanil yellow exhibited central nervous system stimulatory effects based on hole cross test (p=000***, p=.003**, p=000***, p=.001***), hole board test (p=.03*, p=.005**, p=.041*, p=0.018*), and open field test (p=0.004**, p=.002**, p=.002**, p=.011*, p=0.008*). On the other hand gastrointestinal test results failed to show a significant effect (p=.04*). Jahangirnagar University J. Biol. Sci. 8(1): 35-44, 2019 (June)

Butanol soluble fractions of Cissus cornifolia methanolic leaf extract and behavioural effects in mice

2015 ◽  
Vol 4 (4) ◽  
pp. 202-206 ◽  
Author(s):  
Abdullahi Hamza Yaro ◽  
◽  
Musa Aliyu Muhammad ◽  
Abdullahi Balarabe Nazifi ◽  
Mohammed Garba Magaji ◽  
...  
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Leaf Extract ◽  
Motor Coordination ◽  
Dependent Manner ◽  
Central Nervous System Disorders ◽  
Medicinal Use ◽  
Central Nervous System Depressant ◽  
Dose Dependent ◽  
Soluble Fractions

Cissus cornifolia Baker - Planch (Family: Vitaceae) is used for various central nervous system disorders. The present study reported the sedative and central nervous depressant effects of fractions (butanol soluble portion and its flavonoid rich fraction) obtained from methanolic leaf extract of Cissus cornifolia using diazepam induced sleep, head-dip and motor coordination tests in mice at doses between 5 to 600 mg/kg body weight. The flavonoid rich column fraction 3 (CF3) significantly (p <0.05) prolonged the duration of sleep in mice at the dose of 10 and 20 mg/kg. Similarly, the butanol soluble portion significantly (p <0.001) prolonged the duration of diazepam induced sleep at 150, 300 and 600 mg/kg in a dose dependent manner. It also significantly (p <0.05) decreased the onset of sleep at the dose of 150 and 600 mg/kg. A dose dependent and significant (p <0.001) decrease in the mean number of head-dips was produced by the butanol soluble portion at all the doses tested. The butanol soluble portion at all the doses tested significantly (p <0.005) prolonged the time to complete the beam walk, however the extract did not produce a significant increase in number of foot slips. The results demonstrated that the butanol soluble fractions obtained from methanolic leaf extract of Cissus cornifolia posses sedative and central nervous system depressant activity, thus supporting its ethno medicinal use as a sedative in the management of central nervous system disorders.

scholarly journals Evaluation of central nervous system depressant activity of Cleome rutidosperma

2012 ◽  
Vol 2 (1) ◽  
pp. 8
Author(s):  
Anindya Bose ◽  
Anuradha Khuntia ◽  
Jayanta Kumar Gupta ◽  
Sudam Si
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Ethanol Extract ◽  
Traditional Use ◽  
Cns Depressant ◽  
Aerial Parts ◽  
Central Nervous System Depressant ◽  
The Central Nervous System ◽  
Cns Depressant Activity ◽  
Cleome Rutidosperma

The central nervous system (CNS) depressant activity of the ethanol extract (200 and 400 mg/kg) and its fractions (200 mg/kg each) of the aerial parts of Cleome rutidosperma was investigated in various models. The tested extract and its fractions showed significant (P&lt;0.01) anxiolytic, anticonvulsant activity (in treating petit mal epilepsy) without any unwanted sedation effect. These findings justify the traditional use of this plant in CNS disorders.

scholarly journals Isolation, Characterization and Assessment for Central Nervous System Effects of Novel Phytomolecule from Galphimia glauca Cav. Stems

2019 ◽  
Vol 31 (6) ◽  
pp. 1230-1236
Author(s):  
VAISHNAVI VEERA REDDY ◽  
BHARGAVI THALLURI ◽  
BABA SHANKAR RAO GARIGE ◽  
RAM MOHAN MANDA ◽  
VASUDHA BAKSHI
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Sodium Pentobarbital ◽  
Hot Plate Test ◽  
Nmr Spectrum ◽  
Central Nervous System Depressant ◽  
Hole Board ◽  
Cns Effects ◽  
Dose Dependent

The investigation had explored the in vivo central nervous system (CNS) effects of novel isolated phytoconstituent from Galphimia glauca stems. The isolated molecule coded as “BS-2” was subjected to toxicological, central analgesic and central nervous system depressant studies on Swiss albino mice and Wistar rats. The LD-50 of BS-2 was found to be > 2000 mg/kg. The mice treated with BS-2 at 12.5, 25 and 50 mg/kg doses exhibited significant effect in the hot plate test (P < 0.5) and tail clip test (83 % inhibition). Mice treated with BS-2 prolonged the time of sleep induced by sodium pentobarbital (40 mg/kg, i.p.). Throughout the hole-board experiment and open field test the BS-2 at 50 mg/kg exhibited a significant (P ≤ 0.001) dose-dependent activity. The BS-2 was characterized by Rf value, melting point, IR spectra, mass spectra and 1H NMR spectrum. The BS-2 showed potential in vivo central pain relieving and central nervous system depressant effects.

scholarly journals Evaluation of Sedative Activity of Methanol Leaf Extract of Ceiba Pentandra Linn (Malvaceae) Using Mice

2019 ◽  
Vol 2 (1) ◽  
Keyword(s):  
Open Field ◽  
Leaf Extract ◽  
Treated Group ◽  
Control Group ◽  
Phytochemical Screening ◽  
Ceiba Pentandra ◽  
Board Test ◽  
Hole Board ◽  
The Mean ◽  
Hole Board Test

Background: Insomnia and other associated disorders have been traditionally managed using leaves of Ceiba pentandra (Malvaceae). Methods: In this study, sedative and anxiolytic properties of methanol leaf extract of Ceiba pentandra using mice were evaluated. Acute toxicity study and phytochemical screening of the extract were also determined using standard protocols. The sedative effect of the extract was evaluated using Diazepam and ketamine- induced sleep, hole board test and mouse beam walk assay, whereas the anxiolytic activity was studied using open field, elevated plus maze and elevated stair case tests. Results: The intraperitonial LD50 of the methanol leaf extract of Ceiba pentandra was estimated to be 2150 mg/kg body weight in mice. Preliminary phytochemical screening of the extract revealed the positive reaction of saponins, flavonoids, terpenoids and tannins. The extract at doses of 300 and 600 mg/kg shortened the onset of sleep and prolonged the duration of diazepam-induced sleep. The extract at all doses tested (150,300 and 600 mg/kg) had no effect on mean onset of sleep but significantly (p<0.05) prolonged the duration of ketamine-induced sleep when compared with normal saline treated group. The extract at the doses of 300 and 600 mg/kg significantly (p<0.05) decreased the number of head dips when compared with the control group in the Hole-board test. The extract at all doses tested has no effect on the mean time spent on the beam. However, at the dose of 600 mg/kg, it significantly (p<0.05) increased the number of foot slips made by mice when compared with the control group. In the open field test, the extract at all doses tested (150, 300 and 600 mg/kg) significantly (p<0.05) decreased the number of peripheral square crossing without any effect on the number of centre square crossing. The extract had no effect on the mean number of open arm and closed arm entries, time spent in open arm and time spent in the closed arm. In the elevated staircase test, the extract significantly (p<0.05) reduced the number of stairs climbed and the number of rearing. Conclusion: The results of this work revealed that methanol leaf extract of Ceiba pentandra contains bioactive components that possess sedative properties and hence can be used to treat insomnia in the nearest future.

scholarly journals Evaluation of Analgesic and Central Nervous System Depressant Effects of Holarrhena antidysenterica Stem on Swiss Albino Mice Model

2018 ◽  
Vol 20 (2) ◽  
pp. 205-212 ◽  
Author(s):  
Md Anamul Haque ◽  
Md Anwarul Haque ◽  
Md Anwar Ul Islam
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Open Field ◽  
Biological Activities ◽  
Pharmaceutical Journal ◽  
Depressant Effect ◽  
Mice Model ◽  
Cns Depressant ◽  
Holarrhena Antidysenterica ◽  
Central Nervous System Depressant

Plants are astonishing reservoir of bioactive natural compounds; many of these are able to exhibit outstanding biological activities in animals. Holarrhena antidysenterica is widely used as a traditional medicine. Aim of the present study was to investigate the possible analgesic and central nervous system (CNS) depressant effects of methanol (MHAS), petroleum ether (PHAS), chloroform (CHAS), dichloromethane (DHAS) and aqueous (AHAS) extracts of the H. antidysenterica stem. The analgesic effect was evaluated by acetic acid induced writhing and hot plate methods at 50 and 100 mg/kg dose. The CNS-depressant effect was assessed by using open field, hole cross and head deep tests at 100 and 200 mg/kg dose. All the extracts had exhibited significant (Pb < 0.01, Pa < 0.001) analgesic and CNS depressant effects at dose dependant manner. CHAL showed maximum analgesic and CNS-depressant effect. It had shown 71.34% inhibition of abdominal writhing and 70.39% elongation of paw licking time at 100mg/kg dose. In CNS-depressant study, it exhibited 88.51% inhibition in open field (locomotion), 83.20% inhibition in hole cross (locomotion) and 85.15% inhibition (head deeping) in head deep test at 200mg/kg dose. Among the five extracts CHAL is a potent analgesic and CNSdepressant agent.Bangladesh Pharmaceutical Journal 20(2): 205-212, 2017

PENENTUAN NILAI PARAMETER LIPOFILITAS SENYAWA 4-KLOROBENZOILTIOUREA DAN UJI POTENSIASI TERHADAP TIOPENTAL PADA MENCIT PUTIH (Mus musculus)

2019 ◽  
Vol 4 (1) ◽  
pp. 1
Author(s):  
Dini Kesuma
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Electronic Properties ◽  
Mus Musculus ◽  
Log P ◽  
P Value ◽  
Lead Compounds ◽  
Significant Difference ◽  
Central Nervous System Depressant ◽  
The Central Nervous System

Synthesis of the 4-chlorobenzoylthiourea compound was carried out by acylating thiourea with 4-chlorobenzoyl chloride. The 4-chlorobenzoylthiourea compound  will increase the lipophilic and the electronic properties other than the lead compounds of benzoylthiourea in order to, by expectation, raise the central nervous system depressant as well. The lipophilic would affect the ability of the compounds in penetrating biological membranes, which is highly dependent on the solubility of the drug within lipid/water. Log P is the most common method used in determining the parameter value. This experiment was to mix two dissolvents (octanol and water) which are immissible. The both levels of the compounds were carefully observed by a spectrophotometer UV-Vis. From the test, the result of log P value of the 4-chlorobenzoylthiourea compound was 2.32, while the theoretical log P value of the compounds, by using the π Hansch-Fujita method is 1.62 and the f Rekker-Mannhold method is 2.225. Consequently, the result of the test shows that there is a significant difference between the progress experiment and both theoretical log P methods. Moreover, in the test of the central nervous system depressant through the potentiation test to thiopental using mice indicates that the 4-chlorobenzoylthiourea compound have potentiation effects to thiopental compared to the lead compounds of benzoylthiourea.

scholarly journals Can the Hole–Board Test Predict a Rat’s Exploratory Behavior in a Free-Exploration Test?

Animals ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 1068
Author(s):  
Wojciech Pisula ◽  
Klaudia Modlinska ◽  
Katarzyna Goncikowska ◽  
Anna Chrzanowska
Keyword(s):  
Exploratory Behavior ◽  
Predictive Value ◽  
Previous Experience ◽  
General Hypothesis ◽  
Free Exploration ◽  
Laboratory Rodents ◽  
Board Test ◽  
Motivational Mechanism ◽  
Hole Board ◽  
Hole Board Test

This study focuses on the rat activity in a hole–board setting that we considered a type of exploratory behavior. The general hypothesis is based on the claim that a motivational mechanism is central to both the response to novelty in a highly familiarized environment and the activity in the hole–board apparatus. Our sample consisted of 80 experimentally naive Lister Hooded rats. All rats were tested in the hole–board apparatus. Twenty individuals with the highest hole-board scores and twenty subjects with the lowest hole–board scores subsequently underwent an established free-exploration test. In our study, the scores obtained in the hole–board test had little predictive value for the rats’ activity in the free-exploration test. Based on our previous experience in studying exploratory behavior in the free-exploration test and the data presented in this paper, we suggest that the hole–board test is not an appropriate tool for measuring exploratory behavior in laboratory rodents.

Central nervous system active compounds. VI. Reissert compounds as precursors of 1-(3-phthalidy1)isoquinolines

1981 ◽  
Vol 34 (1) ◽  
pp. 151 ◽  
Author(s):  
TV Hung ◽  
BA Mooney ◽  
RH Prager ◽  
AD Ward
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Phase Transfer ◽  
Active Compounds ◽  
Central Nervous System Depressant ◽  
Reissert Compounds

The reactions of isoquinoline and phthalazine Reissert compounds with phthalaldehydic acids and their derivatives have been investigated as a means of synthesizing 1-(3-phthalidyl)isoquinolines. Of a variety of conditions tried those involving phase transfer were found, in general, to be the most suitable. The products, which are analogues of the convulsant alkaloid bicuculline, showed weak central nervous system depressant activity.

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