scholarly journals Suppository Effect of Aqueous Root Extract of Moringa oleifera on Alcohol Induce Liver Toxicity in Wistar Rats

2019 ◽  
pp. 1-8
Author(s):  
Eteng O. E. ◽  
Grace Ekpo ◽  
Joe Enobong ◽  
Iwara Arikpo ◽  
Saviour Ufot ◽  
...  
Keyword(s):  
Body Weight ◽  
Normal Control ◽  
Wistar Rats ◽  
Moringa Oleifera ◽  
Negative Control ◽  
Control Group ◽  
Root Extract ◽  
Group 3 ◽  
Enzyme Markers ◽  
Aqueous Root Extract

Introduction:  Moringa oleifera root is the most underutilized part of the plant and it is rich in many phytochemicals. Aim of the Study: This study was carried out to evaluate the effect of Standardized and characterized aqueous root extract of Moringa oleifera following the administration of alcohol-induced liver damage in albino wistar rats. Materials and Methods: Thirty (30) experimental rats weighing 100-120 g were randomly divided into 6 groups of 5 rats each. Group 1, the normal control group was given just rat feed and water, group 2, negative control was administered alcohol only (1.5 ml/kg body weight), rats in group 3, 4 and 5 received combined administration of alcohol 1.5 ml/kg body weight and 200, 400 and 600 mg/kg body weight of characterized aqueous root extract of Moringa oleifera respectively, group 6 rats were administered 250mg/body weight of extract only. At the end of fourteen days (14) the experimental rats were then sacrificed and the serum liver enzymes were then assayed. Results: The results obtained from the laboratory was analyzed using one-way ANOVA and post-hoc test was done afterwards. Rats fed alcohol only produced significant increase in the levels of enzyme markers of tissue damage (AST, ALT and ALP) compared to normal control rats. Rats in group 3, 4 and 5 that were post treated with 200, 400 and 600 mg/kg body weight of extract and they had significant decrease (P<0.05) in the levels of these enzyme markers in a dose-dependent manner compared to the negative control. The extract control group had no significant increase (P<0.05) in the levels of the enzyme markers when compared to the normal control; however, there was a significant increase in the serum activity of ALP of the extract control group when compared with the normal control. Conclusion: The present study exhibited a potent hepatoprotective effect against liver injury caused by alcohol administration. This suppository effect could be related to the antioxidant’s properties of Moringa oleifera that is rich in flavonoids and phenolic constituents of the extracts may contribute to their enzyme action.

scholarly journals Antipuritive Effect of Aqueous Root Extracts of Moringa oliefera on Alcohol-induced Haematoxicity in Wistar Rats

2019 ◽  
pp. 1-11
Author(s):  
Grace Ekpo ◽  
Eteng Ofem ◽  
Stella Bassey ◽  
Kenyoh Abam ◽  
Iwara Arikpo ◽  
...  
Keyword(s):  
Body Weight ◽  
Red Blood Cells ◽  
Blood Cells ◽  
Wistar Rats ◽  
Moringa Oleifera ◽  
Research Work ◽  
Control Group ◽  
Root Extract ◽  
Dose Dependent ◽  
Aqueous Root Extract

Aim: The study is aimed at investigating the antinutritive effects of aqueous root extract of Moringa oleifera on haematological indices following sub-chronic consumption of alcohol in Wistar rats. Methods and Materials: Thirty (30) experimental rats weighing 100-120 g were randomly divided into 6 groups of 5 rats each. Group 1, the normal control group was given just rat feed and water, group 2, negative control was administered alcohol only (1.5 ml/kg body weight), rats in group 3, 4 and 5 received combined administration of alcohol 1.5 ml/kg body weight and 200, 400 and 600 mg/kg body weight of aqueous root extract of Moringa oleifera respectively, group 6 rats were administered 250 mg/body weight of extract only. At the end of fourteen days (14) the experimental rats were then sacrificed, and blood was collected for haematological analysis. Results: The result obtained shows a dose-dependent response in almost all the parameters, white blood cell (WBC) count increases significantly(P<0.05) with 600 mg/kg while dose 200 mg/kg and 400 mg/g shows no significant change. Red blood cells (RBC) decreases non-significantly (P<0.05) with increased amount of aqueous Moringa root extract.  Likewise, there was also a dose-dependent decrease in the haematological count and more noticeable with 200 mg/kg dose. It was also observed that mean corpuscular haemoglobin concentration (MCHC) and mean corpuscular volume (MCV) increases in all the treatment groups with significant observed in 400 mg/kg and 600 mg/kg. The increase in alcohol can bring about suppression of the blood cells production, enhance if there is reduction in the red blood cells, it, therefore, implies that the will be reduction in the oxygen-carrying capacity of the red blood cells, that would be carried to the tissues as well as the level of carbon dioxide returned to the lungs. Also, the PCV is involved in the transport of oxygen and absorption of the nutrient. Therefore, increase in PCV, shows a better transportation and thus results in an increase in both primary and secondary polycythemias. Conclusion: This research work shows that the plant extract contains some bioactive component or phytochemical constituents that are capable of ameliorating the toxicity effect of alcohol on animal models.

scholarly journals Ethanol Root-extract of Sphenocentrum jollyanum Restored Altered Haematological Markers in Plasmodium berghei-infected Mice

2019 ◽  
pp. 189-203
Author(s):  
E. U. Ekpono ◽  
P. M. Aja ◽  
U. A. Ibiam ◽  
E. U. Alum ◽  
U. E. Ekpono
Keyword(s):  
Body Weight ◽  
Blood Cell ◽  
Normal Control ◽  
Plasmodium Berghei ◽  
Negative Control ◽  
Haematological Parameters ◽  
Pack Cell Volume ◽  
Control Group ◽  
Root Extract ◽  
Standard Drug

Effect of ethanol root-extract of Sphenocentrum jollyanum on some haematological parameters in Plasmodium berghei-infected mice was carried out using a total of thirty-six albino mice. The mice were randomly assigned into six experimental groups of A-F with six mice in each group. Mice in group A (Normal control) were administered with normal saline. Mice in groups B-F were infected with Plasmodium berghei intraperitoneally. Mice in group B (Positive control) were treated with 5 mg/Kg body weight of standard drug; mice in group C (Negative control) were left without treatment while mice in groups D, E and F were treated with graded doses of 200, 400 and 800 mg/Kg body weight of the ethanol root extract of Sphenocentrum jollyanum, respectively. All the mice were allowed access to water and feed without restriction. Oral route was used for the administration of the standard drug and plant extract. The treatment lasted for ten days. Percentage parasitaemia was determined on the 3rd day and last day after infection. Evaluations of haematological parameters were done using spectrophotometric method while percentage parasitaemia count was done using microscopic method. Treatment of the infected mice with the ethanol root extract of Sphenocentrum jollyanum reduced parasite count significantly (P < 0.05). Infection of mice with Plasmodium berghei caused a significant (P < 0.05) decrease in the levels of pack cell volume (PCV), haemoglobin (HB), red blood cell (RBC) and white blood cell (WBC) count relative to the normal control. However, treatment of P.berghei-infected mice with the ethanol root extract of Sphenocentrum jollyanum at the doses of 200, 400 and 800 mg/Kg body weight of the mice showed a dose-dependent significant (P < 0.05) reversal in the trend of these parameters to a level comparable to that observed among the standard control group, especially, the highest dose of 800 mg/Kg body weight. This study indicates that ethanol root extract of Sphenocentrum jollyanum could be used in the management of anaemic diseases associated with Plasmodium berghei infection.

In Vivo Anti-Anemic Effect of an Aqueous Root Extract of Phyllanthus Muellerianus (Kuntze) Exell in Model Rats.

2021 ◽  
Author(s):  
James Nyirenda ◽  
Gershom B. Lwanga ◽  
Kaampwe M. Muzandu ◽  
David K. Chuba ◽  
Gibson M. Sijumbila
Keyword(s):  
Plant Extract ◽  
Hematological Parameters ◽  
Negative Control ◽  
Control Group ◽  
Albino Rats ◽  
Root Extract ◽  
Dependent Manner ◽  
Phytochemical Screening ◽  
Aqueous Root Extract

Abstract Ethnopharmacological relevanceAnemia is a very serious condition in Zambia. One of the plants that has been used traditionally is Phyllanthus muellerianus where different parts of shrub are used to treat a number of diseases in Zambian folklore medicine. Earlier studies have investigated medicinal properties of its aqueous root extracts. This study evaluated the effect of P. muellerianus roots on the hematological indices of albino rats and determined its phytochemical profile. Aim of the studyTo carry out phytochemical screening of the root extract and assess the ant-anemic effect of the aqueous extract on laboratory rats with tail-bled induced anemia Materials and MethodsThirty-six male albino rats placed in six groups were used for the study. The groups comprised the 100, 200, and 400 mg/kg plant extract, Ranferon (200 mg/kg) positive control, anemic non treated control and a normal (non-anemic) control. Anemia, induced through bleeding of the rats, was defined as hemoglobin (Hb) levels less than 12 g/dL. The anti-anemic potential of the plant was determined by comparing its effect on the hematological parameters of rats on treatment to that of the control group.ResultsAfter treatment, rats on the 400 mg/kg plant extract dose showed the greatest increase in the mean values for Hb, Packed cell volume (PCV) and RBC count were 43.3±1.2%, 15.4±0.3 g/dL and 6.3±0.3 x106 /mL respectively, when compared to the negative control group (P < 0.05). Phytochemical screening revealed positive results for alkaloids, flavonoids, saponins, glycosides, steroids, triterpenoids and tannins with varying amounts.Conclusions. The aqueous root extract of P. muellerianus was efficacious against anemia in a dose-dependent manner. The phytochemical compositions seem to be responsible for its hematopoietic properties. Thus, the root decoction of P. muellerianus is useful in alleviating anemia and the results lend credence to its use in traditional medicine in the management of anemia.

scholarly journals A 90-Day Oral Toxicity of Hydroethanolic Root Extract of Carissa spinarum in Wistar Rats

2021 ◽  
Vol 2021 ◽  
pp. 1-6
Author(s):  
Komlan M. Dossou-Yovo ◽  
Aboudoulatif Diallo ◽  
Povi Lawson-Evi ◽  
Yendubé T. Kantati ◽  
Tchin Darré ◽  
...  
Keyword(s):  
Body Weight ◽  
Biochemical Parameters ◽  
Wistar Rats ◽  
Hematological Parameters ◽  
Relative Weight ◽  
Control Group ◽  
Root Extract ◽  
Weight Changes ◽  
Oral Toxicity ◽  
Significant Difference

Background. Herbal medication is a worldwide and ancient practice, mostly in developing countries, where a large part of the population is involved in this practice. Hence, studies must be conducted to evaluate their safety and efficiency to avoid or prevent toxicological risks due to their usage. In Togo, Carissa spinarum is a medicinal plant belonging to Apocynaceae family, used as an aphrodisiac or to heal some ailments including malaria, sickle cell anemia, hypertension, pain, and asthma. Notwithstanding its several ethnomedicinal benefits, just a few toxicological data associated with its chronic use are available. Objective. Therefore, this study aims to assess the toxicity of an ethanolic root extract of Carissa spinarum in Wistar rats. Methods. The 90-day oral toxicity process following OECD TG 408 guidelines is used. Male Wistar rats received Carissa spinarum root hydroethanolic extract at 500 and 1000 mg/kg for 90 days by oral gavage. Body weight changes, hematological and blood biochemical parameters, organ weight changes, malondialdehyde as a lipoperoxidation marker expressed according to tissue proteins, and histopathology of vital organs were assessed. Results. No signs of toxicity or mortality were observed during the 90 days experiment. Hematological parameters have not shown any treatment-related abnormalities. According to biochemical parameters, an increase in the chloride ion level was observed at 1000 mg/kg p < 0.01 . There was no significant difference between the treated groups and the control group concerning the malondialdehyde concentration, body weight, and organ relative weight. No changes in necropsy and histopathology of vital organs associated with extract treatment were observed. Conclusion. The results indicated that an ethanolic root extract of Carissa spinarum does not cause adverse effects, which can lead to Wistar rats’ death after 90-day oral administration at 500 and 1000 mg.

scholarly journals Efek Antidiare Ekstrak Etanol Daun Kelor (Moringa oleifera L.) Pada Mencit Putih Jantan

2020 ◽  
Vol 6 (1) ◽  
pp. 35-39
Author(s):  
Rizal Fauzi ◽  
◽  
Annisa Fatmawati ◽  
Emelda Emelda ◽  
◽  
...  
Keyword(s):  
Body Weight ◽  
Intestinal Motility ◽  
Moringa Oleifera ◽  
Ethanol Extract ◽  
Negative Control Group ◽  
Extraction Process ◽  
Negative Control ◽  
Control Group ◽  
Average Value ◽  
Normal Individuals

Diarrhea is an increase frequency and decrease consistency of fecal when compared with the bowel condition of normal individuals. The high incidence of acute and chronic diarrhea encourages researchers to keep trying to find new antidiarrheal drugs, especially from plants. The leaves of Moringa (Moringa oleifera Lam) contain tannins which are polyphenolic compounds and has benefits as anantidiarrheal.This study aims to determine the activity of the ethanol extract of moringa leaves as an antidiarrheal by looking at intestinal motility. The extraction process was carried out by maceration method using ethanol 70%..The result research is the average value of the treatment ratio is smaller than the negative control group. The average value of the ratio of the group was given by ethanol extract of moringa leaves at a dose of 9.1 mg / 20 g body weight was 0.664; ethanol extract of moringa leaves at dose of 18.2 mg / 20 g body weight was 0.434 and ethanol extract of moringa leaves at dose of 36.4 mg / 20 g body weight was 0.389. From this value, it is known that the ethanol extract of Moringa leaves has an antidiarrheal effect by inhibiting intestinal motility. The effect of the ethanol extract of Moringa leaves in inhibiting intestinal motility is best at a dose of 36.4 mg / 20 g body weight with an average value ratio of 0.389.

scholarly journals POTENTIAL EFFECT OF MACRO ALGA Caulerpa sp. AND Gracilaria sp. EXTRACT LOWERING MALONDIALDEHYDE LEVEL OF WISTAR RATS FED HIGH CHOLESTEROL DIET

2017 ◽  
Vol 5 (1) ◽  
pp. 71
Author(s):  
Ketut Srie Marhaeni Julyasih ◽  
I Gede Putu Wirawan
Keyword(s):  
Body Weight ◽  
Wistar Rats ◽  
Design Research ◽  
Wistar Rat ◽  
Negative Control ◽  
Control Group ◽  
High Cholesterol Diet ◽  
Standard Diet ◽  
Cholesterol Diet ◽  
High Cholesterol

Seaweed has potential nutrient content such as carotenoids, vitamins, fatty acids, carbohydrates, minerals, and other essential substances. Carotenoids have important biological functions as an antioxidant, and immunostimulatory which can prevent the disease, anti-inflammatory, anti-stress, anti-aging, and protect the skin from the harmful effects of ultraviolet radiation. Seaweed generally consumed as a vegetable by people in Bali, known as the local name Bulung Boni (Caulerpa spp.) and Bulung Sangu (Gracilaria spp.).. So far there has been no report or results of research on the effects of extract ethanol of Bulung Boni (Caulerpa sp.) and Bulung Sangu (Gracilaria sp.) as an antioxidant that can prevent lipid peroxidation which can be seen in decreased level of MDA in liver tissue or blood plasma. Therefore it is necessary to determine of plasmaMDA level of Wistar rat after fed high cholesterol diet treated with extract ethanol of Caulerpa sp. and Gracillaria sp. This experimental study used completely randomized design. Research using total of 24 Wistar rats divided into six sample groups of equal size, all fed with a diet high in cholesterol especially in negative control. The study consisted of negative control group (standard diet), positive control group (high cholesterol diet), high-cholesterol diet with Caulerpa sp. extract dose of 20 mg and 60 mg/100 g, high cholesterol diet with Gracilaria sp. extract dose of 20 mg and 60 mg/100 g body weight rat per day.The study resulted that rats fed high cholesterol diet with treated extract ethanol Caulerpa sp. and Gracilaria sp. with a dose of 20 mg and 60 mg per 100 g body weight rat / day had plasma MDA level significantly lower (p <0.05) compared with rats fed high cholesterol diet without treated with extract of Caulerpa sp. and Gracilaria sp.

scholarly journals Body Weight and Platelet Count Changes in Zidovudine Administered Wistar Albino Rats Treated with Ethanolic Extracts of Annona muricata and Fagara zanthoxyloide

2019 ◽  
pp. 1-18
Author(s):  
Ekere, Oghenekaro Uchechukwu ◽  
Ikpeama, Utomoibor Evelyn
Keyword(s):  
Body Weight ◽  
Platelet Count ◽  
Normal Control ◽  
Negative Control ◽  
Fixed Dose ◽  
Control Group ◽  
Albino Rats ◽  
Annona Muricata ◽  
Ethanolic Extracts ◽  
Wistar Albino Rats

Zidovudine administration either in single or fixed-dose combination usually results in a decrease in body weight and in some cases thrombocytopenia. The present study investigated the body weight and platelet count changes observed in zidovudine pre-administered Wistar albino rats on treatment with ethanolic extracts of the leaves Annona muricata (AM) and roots of Fagara zanthoxyloide (FZ). Plants samples were collected from Alakahia community, Rivers state and Opoo community, Ogun state; while Wistar albino rats were grouped into normal control, negative control (receiving zidovudine at 100 g/ml/Kg bw), AM and FZ extract treatment (at 4.5 and 3.8 g/ml/Kg B.W respectively) groups with analysis performed bi-weekly. All tests were performed using standard procedures with all reagents of analytic grade. Phytochemical screening of the extracts showed significantly high amounts of alkaloids (10.47- 21.15 mg / 100 g), phenols (10.60-15.22 mg / 100 g) and tannins (14.23 - 50.19 mg / 100 g). The investigation into their proximate compositions also showed high fat (5.78 ± 0.02) in FZ, moisture (10.47 ± 0.05) in AM and fibre (7.37 ± 0.03) in FZ. The amino acid phenylalanine (5.10-6.01 g / 100 g), isoleucine (4.44-5.20 g / 100 g), lysine (4.03 -5.31 g / 100 g) was observed to be available in the extracts. In the normal control group body weight increased by 20.75 g at week 6 while administration of Zidovudine, resulted in a decreased in bodyweight by 1.14 g in week 2 and 3.32 g in week 6. Extract treatment caused a significant increase (p≤0.05) in body weight by 17.95g (AM) and 18.23g (FZ) at week 6. Platelet count was also observed to significantly decrease (p≤0.05) by 33.42% in the negative control group when compared to the normal control. This was observed to significant increases in extract treatment by 49.56% (AM) and 51.32% (FZ). The results thus suggest a possible beneficial effect of the extracts of AM and FZ in checkmating the weight and platelet loss observed as a side effect of zidovudine therapy as well as the possible use in haemorrhagic conditions to reduce bleeding without thromboembolism.

scholarly journals Preliminary Study on the Effect of Methanolic Extract of Watermelon (Citrullus lanatus) Rind on Prednisolone Suppressed Immunity in Male Wistar Rats

2021 ◽  
pp. 1-6
Author(s):  
Nyejirime Young Wike ◽  
Mobisson Samuel Kelechi ◽  
Godspower Onyeso ◽  
Okekem Amadi ◽  
Elizabeth Eepho Krukru
Keyword(s):  
Body Weight ◽  
Wistar Rats ◽  
Methanolic Extract ◽  
Citrullus Lanatus ◽  
Control Group ◽  
Group 4 ◽  
Watermelon Rind ◽  
Male Wistar Rats ◽  
Group 3 ◽  
Group 2

Citrullus lanatus thumb (Cucurbitaceae) commonly called watermelon is widely consumed in this part of the world as food and medicine. This study was carried out to examine the effect of methanolic extract of watermelon (Citrullus lanatus) rind on prednisolone suppressed immunity in male wistar rats. A total of 20 male wistar rats weighing 150-294g were used in 4 groups with five rats each. Group 1, the control group was given distilled water and feed, Group 2 was given 200 mg/kg body weight of methanolic extract of watermelon rind, Group 3 rats were given 2.5 mg/kg body weight of prednisolone and Group 4 rats were given 2.5 mg/kg body weight of prednisolone and 200 mg/kg body weight of methanolic extract of watermelon rind. Prednisolone and the methanolic extract of watermelon rind were administered orally for a period of 30 days. Blood samples were collected by cardio puncture from the rats for white blood cell (WBC), lymphocyte, and granulocyte and monocyte counts at the end of the experiment.  The data were statistically analysed using one-way ANOVA (Analysis of variance). Data were considered significant at p<0.05. The results obtained showed that methanolic extract of watermelon rind caused a significant increasen in immune function of rats when compared with the control and immune suppressed rats.

scholarly journals Effects of Methanolic Root Extract of Holarrhena floribunda on the Lipid Profile and Sex Hormones in Wistar Rats

2019 ◽  
pp. 1-7
Author(s):  
Dennis, Amaechi ◽  
E. O. Udosen ◽  
V. S. Ekam ◽  
I. P. Ekpe
Keyword(s):  
Lipid Profile ◽  
Sex Hormones ◽  
Wistar Rats ◽  
Test Group ◽  
Control Group ◽  
Root Extract ◽  
Group 4 ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

Aim: This study aims to determine the effects of methanolic root extract of Holarrehna floribunda on the level of some serum sex hormones, follicle stimulating hormone (FSH), luteinizing hormone (LH), testosterone, estradiol, progesterone and lipid profile in Wistar rats.   Materials and Methods: Twenty- four male and female Wistar rats (150-250 g body weight) were randomly assigned into 4 groups of 6 rats each. Group 1 (control male) took normal rat chow and drinking water. Group 2 (control female) took normal rat chow and drinking water, Group 3(Male test group), was administered with 200 mg/kg of Holarrehna floribunda extract, Group 4(Female test group), was administered with 200 mg/kg of Holarrehna floribunda. The feeding regimens lasted for 5weeks. Results: The values for the lipid profile shows CHOL in Group 1 and Group 3 were 4.02±0.41 mmol/l  and 5.75±0.09 mmol/l, Group 2 and Group 4 were 3.87±0.22 mmol/l  and 5.80±0.10 mmol/l  respectively, TRIG  for Group 1 and Group 3 were 1.30±0.05 mmol/l  and 2.11±0.15 mmol/l  for Groups 2 and 4 were 1.15±0.03 mmol/l  and (2.10±0.12 mmol/l,HDL-C for Groups 1 and 3 were 30.01±0.82 mg/dL  and 39.88± 1.24mg/dL,for Groups 2 and 4 were 29.98± 0.77 mg/dL  and 38.20± 1.83 mg/dL, LDL-C for Groups 1 and 3 were 2.26±0.37 mmol/L  and 4.17±0.35 mmol/L respectively, for Groups 2 and 4 were 3.27±0.47 mmol/L  and 4.06±0.21 mmol/L  respectively, shows significant increase(p<0.05) in HDL-C (mg/dL) in Groups 1,2,3 and 4.The values obtained showed significant increase (p<0.05) in HDL-C (mg/dL) in Groups 1,2,3and 4The serum concentrations of FSH, Estradiol, LH and progesterone in the control Group 2 were 0.38 ±0.07mIU/mL, 7.83±0.35 mIU/mL, 15.50±0.15 Pg/mL and 0.86±0.03 ng/mL respectively, and in test Group 4 were 0.77±0.04mIU/mL, 8.75±0.17 mIU/mL, 21.09±0.79 Pg/Ml 0.33±0.05 ng/mL. Follicle stimulating hormone levels was significantly higher (p<0.05) in test group compared with control. While in Group 1 and 3, the serum concentrations of FSH, LH, and testosterone in control Group 1 were (0.51 ±0.06) mIU/mL, (16.44±0.31) mIU/mL and (8.41±0.50) ng/mL respectively and in test Group 3 were 0.88±0.06 mIU/mL19.88±1.46mIU/mL and10.68±0.64 ng/mL, respectively. Conclusion: The extract improves the level of sex hormones in both the male and female rats.  which could enhance reproductive functions in normal rats and those with loss of reproductive function.

scholarly journals UJI EFEK ANTIPIRETIK EKSTRAK DAUN PEPAYA (Carica papaya L.) PADA TIKUS WISTAR (Rattus norvegicus)

2014 ◽  
Vol 2 (1) ◽  
Author(s):  
Seila Apriliani Yapian
Keyword(s):  
Body Weight ◽  
Rectal Temperature ◽  
Rattus Norvegicus ◽  
Wistar Rats ◽  
Carica Papaya ◽  
Temperature Drop ◽  
Negative Control ◽  
Control Group ◽  
Test Substance ◽  
Body Weight Dose

Abstract: The aim of this study is to investigate the effect of papaya leaves extract (Carica papaya) on rectal temperature drop of Wistar rats (Rattus norvegicus) by using fever induction method. Method:15 Wistar rats is divided into 5 groups, each consisting of 3 rats. Negative control group was given aquadest, the positive control group was given paracetamol and 3 intervention groups were given papaya leaves extract each with a dose of 50, 100 and 200mg body weight of rats. Fever is induced in test animals using DPT-HB vaccine 0,3ml. Rectal temperature measurements are taken before and after the administration of vaccine and after the administration of the test substance at 30, 60, 90 and 120 minute consecutively. Result: Administration of papaya leaves extract at a doseof 200mg/kg body weight showed greater rectal temperature drop effect compared to 100 and 50mg/kg body weight dose. Administration of paracetamol showed a greater rectal temperature drop compared to the 200mg/kg body weight dose of papaya leaves extract. Conclusion: Papaya leaf extract showed antipyretic effects in Wistar rats, but has lower antipyretic effect compared to paracetamol.. Keywords:antipyretic, papaya leaf, DPT-HB, Wistar rat    Abstrak: Penelitian ini bertujuan untuk mengetahui adanya pengaruh pemberian ekstrak daun pepaya (Carica papaya) terhadap penurunan suhu rektal tikus Wistar (Rattus norvegicus) dengan menggunakan metode induksi demam. Metode:Hewan uji yang digunakan berupa 15 ekor tikus Wistar yang dibagi ke dalam 5 kelompok, masing-masing kelompok terdiri dari 3 ekor tikus. Kelompok kontrol negatif diberikan aquades, kelompok kontrol positif diberikan parasetamol, dan 3 kelompok eksperimental diberikan ekstrak daun pepaya masing-masing dengan dosis 50, 100 dan 200mg/kgBB tikus. Induksi demam pada hewan uji menggunakan vaksin DPT-HB 0,3ml. Pengukuran suhu rektal dilakukan sebelum dan sesudah pemberian vaksin dan setelah pemberian zat uji berturut-turut pada menit ke-30, 60, 90 dan 120. Hasil: Pemberian ekstrak daun pepaya dengan dosis 200mg/kgBB menunjukkan penurunan suhu rektal lebih besar dibanding dengan dosis 100 dan 50mg/kgBB. Pemberian parasetamol menunjukkan penurunan suhu rektal lebih tinggi dibanding dengan dosis ekstrak 200mg/kgBB.Kesimpulan: Ekstrak daun pepaya menunjukkan adanya efek antipiretik pada tikus Wistar namun efek antipiretiknya lebih rendah dari parasetamol. Kata Kunci: antipiretik, daun pepaya, DPT-HB, tikus Wistar

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