scholarly journals Evaluation of the Antimalarial Activity of Crude Extract of Eucalyptus globulus Labill. Leaf against Plasmodium berghei in Mice

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Mihret Ayalew ◽  
Azmeraw Bekele
Keyword(s):  
Body Weight ◽  
Survival Time ◽  
Cell Volume ◽  
Crude Extract ◽  
Packed Cell Volume ◽  
Antimalarial Activity ◽  
Negative Control ◽  
Common Source ◽  
In Vitro Test ◽  
Traditional Use

Introduction. Traditional medicinal plants are used as a common source of developing new and effective antimalarial drugs. E. globulus leaf has been used in the traditional management of malaria in different countries, including Ethiopia. However, there is no in vivo study done on the antimalarial activity of the plant. Thus, this study aimed to evaluate the antimalarial activity of crude extract of E. globulus Labill. leaf in P. berghei-infected mice. Method. The fresh leaves of E. globulus were collected, washed, air-dried, and made as coarse powder. Either sex of mice aged 6 to 8 weeks was used in the experiment. The antimalarial activity of the crude extract was tested in four-day suppressive, curative (Rane’s), and prophylactic (repository) tests. The parameters like level of parasitemia, packed cell volume, body weight, rectal temperature, and mean survival time were recorded. The analysis of the data was done with SPSS version 20 with a 95% confidence interval in one-way ANOVA followed by Tukey’s post hoc test. Results. In all three antimalarial test models, the extract of leaf of E. globulus at all three doses suppressed the level of parasitemia significantly ( p < 0.001 ), increased survival time ( p < 0.05 to p < 0.001 ), and prevented a decrease in body weight as compared to the negative control. The middle and large doses of the extract also decreased loss of body temperature ( p < 0.05 to p < 0.001 ) compared to the negative control. Reduction of packed cell volume was prevented within the three test doses of the extract in both curative and prophylactic tests and middle and large doses in the 4-day suppressive test compared to the negative control. Conclusion. The crude extract of the plant showed promising antimalarial activity. This supports the traditional use and the in vitro test result of the plant.

scholarly journals Antimalarial Activity of Tinospora baenzigeri against Plasmodium berghei-Infected Mice

2019 ◽  
Vol 2019 ◽  
pp. 1-6 ◽  
Author(s):  
Sakaewan Ounjaijean ◽  
Manas Kotepui ◽  
Voravuth Somsak
Keyword(s):  
Weight Loss ◽  
Body Weight ◽  
Survival Time ◽  
Cell Volume ◽  
Crude Extract ◽  
Plasmodium Berghei ◽  
Packed Cell Volume ◽  
Antimalarial Activity ◽  
Body Weight Loss ◽  
Mean Survival Time

Plant species of the genus Tinospora (Menispermaceae) possess several pharmacological properties, and T. crispa has been reported to have antimalarial activity. T. baenzigeri (Chingcha Chalee) is a rich source of terpenes and quinoline alkaloids; however, it still has not yet been investigated the antimalarial activity of this plant extract. Hence, this study was aimed to evaluate the antimalarial activity of T. baenzigeri stem extract against Plasmodium berghei-infected mice. The aqueous crude extract of T. baenzigeri stem was prepared using a microwave-assisted method and tested for acute toxicity in mice. For evaluating the antimalarial activity in vivo, the standard 4-day test was carried out using groups of ICR mice infected with P. berghei ANKA administered orally by gavage with the extract (100, 250, and 500 mg/kg) for 4 consecutive days. Parasitemia, body weight, packed cell volume, and mean survival time were then measured. It was found that the aqueous crude extract of T. baenzigeri stem did not exhibit any sign of toxicity up to the dose of 2,000 mg/kg. The extract significantly (P<0.01) inhibited parasitemia in a dose-dependent manner, with 22.02%, 50.81%, and 74.95% inhibition. Moreover, the marked prevention of body weight loss and packed cell volume reduction was observed at doses of 100, 250, and 500 mg/kg of extract-treated mice. Additionally, the extract prolonged the mean survival time of P. berghei-infected mice, compared to the untreated group. In conclusion, the aqueous crude extract of T. baenzigeri stem has demonstrated potent antimalarial activity against P. berghei-infected mice with prolonged mean survival time and prevention of body weight loss and packed cell volume reduction.

scholarly journals Antimalarial Activity of the Leaf Latex of Aloe weloensis (Aloaceae) against Plasmodium berghei in Mice

2020 ◽  
Vol 2020 ◽  
pp. 1-7 ◽  
Author(s):  
Tekleab Teka ◽  
Tadesse Awgichew ◽  
Haile Kassahun
Keyword(s):  
Survival Time ◽  
Cell Volume ◽  
Plasmodium Berghei ◽  
Packed Cell Volume ◽  
Antimalarial Activity ◽  
Signs And Symptoms ◽  
Negative Control ◽  
Dependent Manner ◽  
Traditional Use ◽  
Lead Compounds

Background. Emergence of drug resistance and lack of therapeutic efficacy of modern antimalarial drugs are the most triggering factors for the searching of new lead compounds with different mechanisms of action. Medicinal plants with documented traditional uses are a viable option for treatment of malaria. Traditionally, the leaf latex of Aloe weloensis has been used in the treatment of malaria in Ethiopia. Hence, this study was undertaken to investigate the antimalarial activity of the leaf latex of Aloe weloensis in Plasmodium berghei-infected mice. Methods. A four-day suppressive test was employed to evaluate the antimalarial effect of the leaf latex of the plant against P. berghei in Swiss albino mice. Mice were randomly assigned in five groups of five animals in each and given 100, 200, and 400 mg/kg of the leaf latex, chloroquine 25 mg/kg, and distilled water. The level of parasitemia, packed cell volume, survival time, temperature, and body weight was used to determine the antimalarial activity. Results. The acute toxicity study indicated that the leaf latex of A. weloensis caused neither mortality nor signs and symptoms of toxicity at a dose of 2000 mg/kg. Furthermore, the 4-day suppressive test indicated that the latex of the plant exhibited a significant parasitemia reduction in a dose-dependent manner as compared to negative control. The leaf latex of the plant exhibited a percent inhibition of 13.05%, 41.87%, and 66.84% at doses of 100 mg/kg, 200 mg/kg, and 400 mg/kg, respectively. The chemosuppression of the antimalarial activity was statistically significant at 100 mg/kg (p<0.05), 200 mg/kg (p<0.01), and 400 mg/kg (p<0.01) as compared to negative control. All doses of the leaf latex prevented weight loss and reduction in temperature and packed cell volume and increased the survival time of infected mice. Conclusion. The results of this study demonstrated that the leaf latex of Aloe weloensis possessed antiplasmodial activity confirming the genuine traditional use of the plant as an antimalarial agent.

Antimalarial activity of seed extracts of Schinus molle against plasmodium berghei in mice

2020 ◽  
Author(s):  
Abebe Basazn Mekuria ◽  
Mestayet Geta ◽  
Eshetie Melese Birru ◽  
Desalegn Asmelashe Gelayee
Keyword(s):  
Body Weight ◽  
Cell Volume ◽  
Crude Extract ◽  
Plasmodium Berghei ◽  
Packed Cell Volume ◽  
Antimalarial Activity ◽  
Aqueous Fraction ◽  
Schinus Molle ◽  
Isolation And Characterization

Abstract Background: Due to drug resistance and inefficient eradication techniques, malaria continues to be a major public health issue in countries with low- and middle-income. The seeds of Schinus molle are used in the Ethiopian folklore medicine for the treatment of malaria. However, this claim is not yet supported with scientific researches. Hence, the current study aims to investigate in vivo, antimalarial activity of hydro-alcoholic crude extract and subsequent solvent fraction of Schinus molle seeds on Plasmodium berghe infected mice.Methods: A hydro-alcoholic crude extract and solvent fractions (ethyl acetate, chloroform and aqueous) of Schinus molle seeds were tested at different doses (100, 200 and 400 mg/kg respectively ) to evaluate in vivo antimalarial activity of extracts in a 4-day suppressive, curative, and prophylaxis antimalarial test models. The parasitemia level, packed cell volume, survival of date, body weight, and body temperature were used to evaluate the anti-plasmodia activity of the extracts. One way ANOVA was employed to analyze these data, followed by post hoc Tukey’s HSD multiple comparison test.Results: The chemo-suppressive activities produced by the highest dose (400mg/kg) of crude extract and the aqueous fraction of Schinus molle seeds in the four-day suppressive test were 76.03% and 73.82%(p<0.001), respectively. In the curative test, the highest dose of crude and the aqueous fraction of Schinus molle seeds had 82.12% and 84.30% (p<0.001) suppression activity, respectively. The percentage of suppression in the prophylactic activities test of the aqueous fraction was 79.78% (p<0.001) at 400mg/kg compared to the negative control group. The studied plant extracts were likely anticipated to show rapid rectal temperature reduction and weight loss significantly. Among the extracts, only chloroform fraction has prevented the reduction of packed cell volume, due to the absence of saponin in the fraction. The mice which were treated with crude extract and aqueous fraction survived longer and gained net body weight as compared to vehicle-treated mice (p<0.001).Conclusion: The crude extract and aqueous fraction of Schinus molle seeds possessed significant antimalarial activity. These results collectively indicate that the plant has promising anti-plasmodial activity against Plasmodium berghei. However, further confirmatory studies followed by isolation and characterization of the active antimalarial compound are recommended.

scholarly journals In vivo antimalarial activity of the crude leaf extract of Combretum molle against Plasmodium berghei in mice

2020 ◽  
Author(s):  
Melkamu Adigo Shibeshi ◽  
Tezera Jemere Aragaw ◽  
Getnet Mequanint Adinew ◽  
Engdaw Fentahun Enyew
Keyword(s):  
Body Temperature ◽  
Survival Time ◽  
Cell Volume ◽  
Crude Extract ◽  
Plasmodium Berghei ◽  
Packed Cell Volume ◽  
Antimalarial Activity ◽  
Swiss Albino Mice ◽  
Combretum Molle

Abstract Background Malaria is an infectious, hematologic disease causing death and illness in children and adults, especially in tropical countries. The aim of this study was to evaluate the antimalarial activity of Combretum molle extract in vivo assays against Plasmodium berghei in Swiss albino mice. Methods Plasmodium berghei a rodent malaria parasite was inoculated to healthy Swiss Albino mice age 6–8 weeks either sex, weight 20–33g. 100, 200 and 400mg/kg/day of Crude methanolic extract of Combretum molle were administered. Parameters such as Percent parasitemia, body weight, Body temperature, packed cell volume and survival time were then determined using standard tests. Data were analyzed using one-way ANOVA followed by the Post hoc Tukey HSD test with SPSS software version 24.0 and P ≤0.05 considered as statistically significant. Results Chemosuppresive effect exerted by the crude extract ranged between 27-68%. The curative effect of the crude extract was in the range of 25-49% and ptophylactic effect of the crude extract was in the range of 51–76.2%%. The maximum effect in all tests on Chemosuppresive, curative, Prophylactic, prevention of weight loss, body temperature and packed cell volume and an increase in mean survival time was observed at higher doses of the crude extract. Conclusion From the present study it can be concluded that the crude extract of Combretum molle leaves has been shown promising antimalarial activity. This finding supports the traditional use of the plant for the treatment of malaria in Ethiopia. Thus, it could be considered as a potential source to develop safe, effective and affordable antimalarial agent.

scholarly journals Antimalarial Activity of Crude Extract and Solvent Fractions of the Leaves of Bersama abyssinica Fresen. (Melianthaceae) against Plasmodium berghei Infection in Swiss Albino Mice

2020 ◽  
Vol 2020 ◽  
pp. 1-14 ◽  
Author(s):  
Agumas Alemu Alehegn ◽  
Jibril Seid Yesuf ◽  
Eshetie Melese Birru
Keyword(s):  
Body Weight ◽  
Survival Time ◽  
Rectal Temperature ◽  
Crude Extract ◽  
Plasmodium Berghei ◽  
Antimalarial Activity ◽  
Aqueous Fraction ◽  
Albino Mice ◽  
Bersama Abyssinica

Background. Treatment of malaria has been compromised by the emergence of drug-resistant parasites. Consequently, novel agents are urgently needed from different sources including from medicinal plants. Thus, the current study aimed at evaluating the antimalarial activity of crude extract and solvent fractions of the leaves of Bersama abyssinica (B. abyssinica) against Plasmodium berghei infection in Swiss Albino mice. Method. A 4-day suppressive test was employed to evaluate the antimalarial effect of crude extract and solvent fractions against early infection. The curative and prophylactic effects of crude extract and fraction with the highest chemosuppression were further tested by Rane’s test and residual infection procedure. Parasitemia, survival time, packed cell volume (PCV), body weight, and rectal temperature of mice were used as evaluation parameters. Windows SPSS version 20 was used to analyze the data and analysis of variance (ANOVA) followed by Tukey’s post hoc test was used to compare data between groups. Results. The crude extract and aqueous fraction significantly (P<0.05 to 0.001) suppressed parasitemia followed by protection of PCV reduction resulting in prolonging the survival time but failed to protect body weight and rectal temperature reduction in all tested models. The ethyl acetate and chloroform fractions also showed significant chemosuppression and PCV protection in the 4-day suppressive test. The crude extract exhibited a chemosuppression of 49.51%, 57.94%, and 44.11% while the aqueous fraction showed suppression of 47.69%, 51.62%, and 37.07% in 4-day suppressive, curative, and prophylactic tests, respectively, at 400 mg/kg. Conclusion. The crude extract and fractions showed fairly moderate antimalarial activity, and the finding supports the traditional claims and previous in vitro studies. Thus, this may call for further studies to isolate chemical entities for additional safety and efficacy tests.

scholarly journals Antimalarial Activity of Seed Extracts of Schinus molle Against Plasmodium berghei in Mice

2021 ◽  
Vol 26 ◽  
pp. 2515690X2098428
Author(s):  
Abebe Basazn Mekuria ◽  
Mestayet Geta ◽  
Eshetie Melese Birru ◽  
Desalegn Asmelashe Gelayee
Keyword(s):  
Cell Volume ◽  
Crude Extract ◽  
Plasmodium Berghei ◽  
Packed Cell Volume ◽  
Antimalarial Activity ◽  
Chloroform Fraction ◽  
Major Public Health Problem ◽  
Aqueous Fraction ◽  
Schinus Molle ◽  
Isolation And Characterization

Background. Malaria is a major public health problem in developing countries. In Ethiopian, the seeds of Schinus molle are used for the management of malaria. Therefore, the current study aimed to evaluate in vivo antimalarial activity of hydro-alcoholic crude extract and solvent fractions of Schinus molle seeds in Plasmodium berghei infected mice. Methods. An 80 percent of methanolic crude extract and solvent fractions of Schinus molle seeds were tested for antimalarial activity at 100, 200 and 400 mg/kg doses. The parasitemia level, packed cell volume, body weight, survival of date and rectal temperature were used to evaluate the anti-malarial activity of the extracts. One-way ANOVA followed by post hoc Tukey’s HSD multiple comparison test was employed and the result was expressed in mean ± SEM (standard error of the mean). Results. The curative activity of the highest dose of crude extract and aqueous fraction of Schinus molle seeds was 69.86% and 73.82% ( p < 0.001), respectively. In the prophylactic test, aqueous fraction had 72.39% ( p < 0.001) suppression antimalarial activity. Among solvent fractions, only chloroform fraction was significantly attenuated packed cell volume reduction. The mice treated with crude extract and aqueous fraction had longer survival date than vehicle-treated mice ( p < 0.001). Conclusion. The experiment finding showed that the crude extract and solvent fractions of Schinus molle seeds had significant curative and prophylaxis anti-plasmodial activity. This result revealed that the Schinus molle seeds extract has promising antimalarial activity against Plasmodium berghei. However, further confirmatory studies, isolation and characterization of the active constituents are recommended.

scholarly journals Evaluation of Antimalarial Activity of the 80% Methanolic Stem Bark Extract of Combretum molle Against Plasmodium berghei in Mice

2019 ◽  
Vol 24 ◽  
pp. 2515690X1989086 ◽  
Author(s):  
Tafere Mulaw ◽  
Muluken Wubetu ◽  
Bekalu Dessie ◽  
Gebreselassie Demeke ◽  
Yalew Molla
Keyword(s):  
Crude Extract ◽  
Plasmodium Berghei ◽  
Antimalarial Activity ◽  
Stem Bark ◽  
Negative Control ◽  
Bark Extract ◽  
Traditional Use ◽  
Combretum Molle ◽  
Group I ◽  
Stem Bark Extract

Background. People are dependent on the traditional use of medicinal plants for the treatment of malaria without scientific validations. Therefore, this study aimed to evaluate the antimalarial activity of methanolic stem bark extract of Combretum molle in mice. Methods. After being infected with Plasmodium berghei, the mice were randomly divided into 5 groups (n = 5). In all cases, group I mice were treated as negative control and received 3% Tween 80; group II mice were treated with 25 mg/kg chloroquine; and groups III, IV, and V mice were treated with 100 mg/kg, 200 mg/kg, and 400 mg/kg of crude extract, respectively. Data were analyzed using one-way analysis of variance followed by Tukey’s post hoc analysis. Results. In the chemosuppressive test, the parasitic suppression effect of the crude extract was found to be significant ( P < 0.05) as compared with the negative control. In the curative experiment, the average parasitic level of those mice treated by the 3 doses of the crude extract was significantly suppressed at days 5, 6, and 7 of treatment ( P < 0.001). Besides, the crude extract had been found to have a chemoprophylactic role as it inhibited the parasite level significantly relative to the negative control ( P < 0.001). Moreover, the crude extract had preventive effects on packed cell volume reduction in the 3 tests ( P < 0.001). Conclusions. The findings of the present study has supported the folklore use of the leaves of Combretum molle in the treatment of malaria. Therefore, further fractionation and characterization of the crude extract is necessary to identify the responsible lead compound(s) responsible for antiplasmodial activity.

scholarly journals Treatment of Diabetic Condition in Streptozotocin Induced Diabetic Wister Rats Using Food Blends Such as Unripe Plantain, Soybean and Ginger

2019 ◽  
pp. 1-12
Author(s):  
I. Iwanegbe ◽  
M. Suleiman ◽  
A. Jimah
Keyword(s):  
Body Weight ◽  
Blood Glucose ◽  
Blood Glucose Level ◽  
Lipid Profile ◽  
Cell Volume ◽  
Glucose Level ◽  
Normal Control ◽  
Packed Cell Volume ◽  
Diabetic Rats ◽  
Diabetic Patients

Aims: To investigate the effect of food blends (plantain, soybean and ginger) on the blood glucose, lipid profile and haematological indices on streptozotocin induced diabetic rats. Methodology: A total of 35 rats of mean body weight 219.07 g separated into7 groups (5 per group) where induced by a single intraperitoneal (I.P) injection of streptozotocin (0.1 g dissolved in 5 ml of freshly prepared sodium citrate buffer 0.1 M, pH 4.5) at a dose of 40 mg/kg body weight after fasting for 12 hours and fed with flours/blends. The flours were produced from plant materials for different treatments/blends (blend A=100% unripe plantain, B=80% unripe plantain, 14% soybean, 6% ginger, C=70% unripe plantain, 26% soybean, 4% ginger, D= 60% unripe plantain, 38% soybean, 2% ginger, E= 50% unripe plantain, 50% soybean) and the phytochemicals and minerals content were determined. Blood glucose was determined at 5 days interval for 25 days. Diabetes was confirmed in rats with blood glucose concentrations >200 mg/dl. After 25 days rats were anaesthetized with chloroform vapour and blood samples collected by cardiac puncture for haematology and lipid profile determination. Results: The results showed that unripe plantain, soya beans and ginger in adequate proportion(C=70% unripe plantain, 26% soybean, 4% ginger or D= 60% unripe plantain, 38% soybean, 2% ginger) could help to reduce blood glucose, improve haematological parameters and lipid profile. Significant reduction was observed in the blood glucose level of rats fed blends C and D from 286 to 85 mg/dl and 307 to 90 mg/dl respectively at the end of experiment. These results also demonstrated that the inclusion of ginger at 6% causes rise in blood glucose level. Total cholesterol (TC) increased in all the blends. However, the lowest concentration of TC was observed in blends C and D. The highest packed cell volume (60%) and Haemoglobin (20 g/dl) level observed in rats fed blend C was significantly higher than the normal control fed conventional feeds. The increase in packed cell volume (PCV) (50%) and Hb (17 g/dl) in diabetic rats demonstrated that the formulated blend C was able to raise PCV and Hb above 50% and 17 g/dl (Normal control NC) respectively. Significant increase (P<0.05) in low density lipoprotein cholesterol (LDLc) was also observed in all the blends with blend C having the least (4.0 mg/dl) close to NC (2.0 mg/dl). Conclusion: From the results it is evident that blend C will manage and improve the health status of diabetic patients.

scholarly journals Differential virulence of camel Trypanosoma evansi isolates in mice

Parasitology ◽  
2018 ◽  
Vol 145 (9) ◽  
pp. 1235-1242 ◽  
Author(s):  
Christine M. Kamidi ◽  
Joanna Auma ◽  
Paul O. Mireji ◽  
Kariuki Ndungu ◽  
Rosemary Bateta ◽  
...  
Keyword(s):  
Body Weight ◽  
South America ◽  
Cell Volume ◽  
Packed Cell Volume ◽  
Post Infection ◽  
Trypanosoma Evansi ◽  
Type B ◽  
Mortality And Morbidity ◽  
Live Body Weight ◽  
High Virulence

AbstractThis study assessed the virulence of Trypanosoma evansi, the causative agent of camel trypanosomiasis (surra), affecting mainly camels among other hosts in Africa, Asia and South America, with high mortality and morbidity. Using Swiss white mice, we assessed virulence of 17 T. evansi isolates collected from surra endemic countries. We determined parasitaemia, live body weight, packed cell volume (PCV) and survivorship in mice, for a period of 60 days’ post infection. Based on survivorship, the 17 isolates were classified into three virulence categories; low (31–60 days), moderate (11–30 days) and high (0–10 days). Differences in survivorship, PCV and bodyweights between categories were significant and correlated (P < 0.05). Of the 10 Kenyan isolates, four were of low, five moderate and one (Type B) of high virulence. These findings suggest differential virulence between T. evansi isolates. In conclusion, these results show that the virulence of T. evansi may be region specific, the phenotype of the circulating parasite should be considered in the management of surra. There is also need to collect more isolates from other surra endemic regions to confirm this observation.

scholarly journals Antimalarial activity of hydromethanolic extract and its solvent fractions of Vernonia amygdalina leaves in mice infected with Plasmodium berghei

2019 ◽  
Vol 7 ◽  
pp. 205031211984976 ◽  
Author(s):  
Temesgen Bihonegn ◽  
Mirutse Giday ◽  
Getnet Yimer ◽  
Abebe Animut ◽  
Mekonnen Sisay
Keyword(s):  
Weight Loss ◽  
Survival Time ◽  
Rectal Temperature ◽  
Crude Extract ◽  
Plasmodium Berghei ◽  
Methanol Extract ◽  
Antimalarial Activity ◽  
Vernonia Amygdalina ◽  
Oral Toxicity

Background: Vernonia amygdalina Del. (Asteraceae) is reported to be traditionally used for the treatment of malaria. Based on folkloric repute of this plant in Ethiopian traditional medicine and crude extract-based ethnopharmacological studies conducted in few countries, this study was undertaken to evaluate the in vivo antimalarial activity of 80% methanol extract and its solvent fractions of the leaves of V. amygdalina in mice infected with Plasmodium berghei. Methods: A 4-day suppressive test was conducted on mice infected with P. berghei to find out antimalarial effect of chloroform, butanol and aqueous fractions obtained from the 80% methanol crude extract. In all the activity tests, mice were randomly assigned in five groups (three tests and two controls) of six animals in each and received respective treatments. Data were analyzed using one way analysis of variance followed by Tukey’s post hoc test for multiple comparisons. Results: Acute oral toxicity test showed that all solvent fractions of the leaves of V. amygdalina revealed neither mortality nor overt signs of toxicity up to 2000 mg/kg. This study indicated that the percentage parasitemia suppression of 80% methanol extract was 32.47% (±2.65), 35.40% (±3.14) and 37.67% (±2.50) at 200, 400 and 600 mg/kg, respectively. All doses of the 80% methanol extract of V. amygdalina prolonged survival time and prevented weight loss and packed cell volume reduction in infected mice. All doses of chloroform and butanol fractions significantly suppressed parasitemia (p < 0.05), increased survival time (p < 0.05) compared to negative control and exhibited a significant reduction in rectal temperature (p < 0.05). All solvent fractions significantly prevented weight loss (p < 0.05) at all tested doses. The 80% methanol extract and chloroform and butanol fractions significantly (p < 0.05) prevented further reduction in rectal temperature of P. berghei-infected mice at all doses. Conclusion: The results of this study indicated that 80% methanol extract and solvent fractions of the leaves of V. amygdalina demonstrated promising antimalarial activity. The study corroborated the folklore use of this plant for the treatment of malaria in ethnomedicine in Ethiopia.

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