scholarly journals Effect of Chromolaena Odorata on Hepatotoxicology and Histopathology in the Liver Induced by Salmonella Typhi in Wistar Rats

2018 ◽  
Vol 14 (12) ◽  
pp. 421 ◽  
Author(s):  
Isirima Joshua Charles ◽  
Siminialayi Iyeopu Minakiri
Keyword(s):  
Wistar Rats ◽  
Bacterial Pathogen ◽  
Negative Control Group ◽  
Salmonella Typhi ◽  
Negative Control ◽  
Control Group ◽  
Dependent Manner ◽  
Chromolaena Odorata ◽  
Ether Anesthesia ◽  
Liver Changes

Typhoid fever, also known as enteric fever, is caused by the human restricted bacterial pathogen known as Salmonella enterica serovars typhi, which is always associated with liver pathology. This study attempts to investigate the Hepatotoxicological and Histopathological changes of the liver associated with Salmonella typhi infection in Wistar rats and to examine the potential of methanol leaf extract of Chromolaena odorata (MLECO) to reverse these adverse changes in comparison to ciprofloxacin treatment. The animals were divided into six groups: group 1 was normal control, group 2 was infected with Salmonella typhi without treatment (negative control), group 3, 4 and 5 were Salmonella typhi infected and treated with 100mg/kg, 200mg/kg and 400mg/kg of the extract respectively, and group 6 was infected and treated with 500mg/70kg of ciprofloxacin. The animals were inoculated with a single contagious dose of Salmonella typhi bacteria and were subsequently treated with the graded doses of the extract and 500mg/70kg dose of ciprofloxacin for a period of fifteen days, after the animals were confirmed infected. The rats were humanely sacrificed using diethyl ether anesthesia and blood samples taken for liver function investigation and liver harvested and processed for histological examination. MLECO reversed the adverse hepatotoxicological and pathological changes in the liver induced by S. tyhi infection in a dose-dependent manner. This was done with the 200mg and 400mg doses being more effective at reversing liver changes than ciprofloxacin.

Effects of the Methanol Leaf Extract Of Chromolaena Odorata on Blood Lipids and the Histology of the Kidney in Salmonella Typhi Infected Wistar Rats

2018 ◽  
Vol 9 (04) ◽  
pp. 20239-20250
Author(s):  
Isirima, Joshua Charles ◽  
Siminialayi, Iyeopu Minakiri
Keyword(s):  
Lipid Profile ◽  
Wistar Rats ◽  
Leaf Extract ◽  
Salmonella Typhi ◽  
Control Group ◽  
Chromolaena Odorata ◽  
Ether Anesthesia ◽  
Infectious Dose ◽  
Treatment Groups ◽  
Group 2

Infection with Salmonella typhi, the causative agent of typhoid fever is said to be associated with dyslipidemia. This study evaluated the effects of Chromolaena odorata on the lipid profile and histology of the kidneys in Salmonella typhi infected Wistar rats. The animals were divided into six groups: group 1 was normal control, group 2 was infected with Salmonella typhi without treatment, groups 3, 4 and 5 were Salmonella typhi infected and treated with 100mg/kg, 200mg/kg and 400mg/kg of the extract, respectively, and group 6 was infected and treated with 500mg/70kg of ciprofloxacin. The animals were inoculated with a single infectious dose of Salmonella typhi bacteria and were subsequently, treated with graded doses of the methanol leaf extract of Chromolaena odorata and 500mg/70kg dose of ciprofloxacin for a period of seventeen days, when the animals were confirmed infected. The animals were humanely sacrificed using diethyl ether anesthesia and blood sample was collected for lipid profile investigation and the kidneys were harvested for histological examination. Chromolaena odorata administration reversed the dyslipidemia and histological changes induced by Salmonella typhi.

Effect of Chayote (Sechium Edule Jacq. Swartz) Extract on Level of Interleukin-8 in Wistar Rats with Aspirin-Induced Gastritis

2020 ◽  
Author(s):  
Hendrika Andriana Silitonga ◽  
◽  
Gontar Alamsyah Siregar ◽  
Rosita Juwita Sembiring ◽  
Marline Nainggolan ◽  
...  
Keyword(s):  
Ethyl Acetate ◽  
Wistar Rats ◽  
Ethanol Extract ◽  
Ethyl Acetate Fraction ◽  
Negative Control Group ◽  
Positive Control ◽  
Negative Control ◽  
Interleukin 8 ◽  
Control Group ◽  
Sechium Edule

ABSTRACT Background: Recent studies showed that Interleukin-8 (IL-8), activated cytokine immune response which plays an important role in the development of acute and chronic gastritis. Harmless anti-inflammatory therapeutic alternatives have been proposed, for example, the consumption of Sechium Edule Jacq. Swartz (chayote). Antioxidant (flavonoid) and cell regeneration (alkaloid) agents were found in chayote. This study aimed to determine the effect of chayote Sechium Edule Jacq. Swartz extracts on the level of IL-8 in Wistar rats with aspirin- induced gastritis. Subjects and Method: This was a randomized controlled trial (RCT) conducted at the laboratory of Mathematics and Natural Science, Universitas Sumatra Utara from January to February 2020. A total of 35 male Wistar rats was selected for this study and randomly allocated into 7 groups: (1) Negative control; (2) Positive control; (3) 100 mg/ kg BW chayote ethanol extract ; (4) 200 mg/kg BW chayote ethanol extract; (5) 100 mg/ kg BW chayote ethyl acetate fraction; (6) 200 mg/kg BW chayote ethyl acetate fraction; and (7) 20 mg omeprazole. The rats in positive control and treatment groups were induced with aspirin (200mg/ kg BW). The negative control group received no intervention. The dependent variable was level of IL-8 measured by ELISA. The independent variables were treatment status. The data were analyzed by One Way Anova and post hoc test. Results: The mean differences of IL-8 level were not statistically significant between study groups (p= 0.327). Mean of IL-8 level was higher in positive control group (Mean= 160.80; SD= 6.90) than in negative control group (Mean= 141.20; SD= 10.98). The lowest IL-8 level was in 100mg/ kg BW chayote ethanol extract group (Mean= 149.94; SD= 40.4), followed by 200mg/ kg BW (Mean= 152.4; SD= 30.73) and 100mg/ kg BW (Mean= 164.60; SD= 25.04) chayote ethyl acetate fraction groups, 20 mg omeprazole group (Mean= 170.60; SD= 21.58), and 200 mg/ kg BW chayote ethanol extract group (Mean= 176.80; SD= 10.98). Conclusion: The low dose (100mg/ kg BW) chayote ethanol extract has the most potential antiinflammation effect on in vitro gastritis with the lowest IL-8 level of all doses of chayote ethanol extract, chayote ethyl acetate fraction, and omeprazole. Keywords: antiinflammation, IL-8, chayote ethanol extract, ethyl acetate fraction, omeprazole, aspirin induced gastritis Correspondence: Hendrika Andriana Silitonga. Department of Histology, Faculty of Medicine, Universitas Methodist Indonesia. Email: [email protected]. Mobile: +6281361430688. DOI: https://doi.org/10.26911/the7thicph.05.35

scholarly journals PENGARUH EKSTRAK DAUN GEDI (Abelmoschus manihot L.) TERHADAP GAMBARAN HISTOPATOLOGI AORTA TIKUS WISTAR DENGAN DIET ATEROGENIK

2014 ◽  
Vol 2 (1) ◽  
Author(s):  
Nadya Nadiratika Papodi
Keyword(s):  
Wistar Rats ◽  
Leaf Extract ◽  
Foam Cells ◽  
Negative Control Group ◽  
Positive Control ◽  
Negative Control ◽  
Blood Cholesterol ◽  
Control Group ◽  
Pork Lard ◽  
Pork Fat

Abstract: High blood cholesterol is a major risk factor for atherosclerosis. Gedi plants contain polyphenolic compounds that can lowering blood cholesterol levels. This study aimed to find out the effect of gedi (Abelmoschus manihot L) leaves extract on histopatologic features of aorta of those wistar rats, which had been administered an atherogenic diet. This was an experimental study on animal using 20 Wistar rats as samples. The rats were divided into 4 different groups, 5 rats for each group. Negative control group was fed only pelet, positive control group was fed pork fat as much as 2 ml/day, group C was fed on pork fat and gedi leaf extract, and group D was fed on pork fat then continued with gedi leaf extract. The results indicated that administration of 30 mg gedi leaf extract showed a histopathologic feature which is decreasing of foam cells. Conclusion: Microscopically, aorta of those rats fed on pork lard diet showed a number of foam cells in tunica intima and media whereas the rats that were fed on pork lard along with gedi leaf extract, generally there were no foam cells, but there aresome parts which contain few foam cells. On the group of Wistar rats which were fed on pork lard, continued with gedi leaf extract showed less foam cells compared to the positive control group.Keywords: Gedi leaf extract, pork lard, foam cell.Abstrak: Kadar kolesterol darah yang tinggi merupakan faktor risiko utama terjadinya aterosklerosis. Tumbuhan gedi mengandung senyawa polifenol yang dapat menurunkan kadar kolesterol darah. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian ekstrak daun gedi terhadap gambaran histopatologi aorta tikus wistar dengan diet aterogenik. Hewan uji yang digunakan berupa 20 ekor tikus Wistar yang dibagi ke dalam 4 kelompok, masing-masing kelompok terdiri dari 5 ekor tikus. Kelompok kontrol negatif hanya diberikan pelet biasa, kelompok kontrol positif diberikan diet lemak babi 2ml/hari, kelompok C diberikan diet lemak babi bersamaan dengan ekstrak daun gedi, dan kelompok D diberikan lemak babi kemudian dilanjutkan dengan pemberian ekstrak daun gedi. Hasil penelitian memperlihatkan bahwa pemberian ekstrak daun gedi 30 mg mampu memberikan gambaran histopatologi aorta berupa berkurangnya jumlah sel busa. Simpulan: Secara mikroskopik, aorta tikus wistar yang diberi lemak babi menunjukkan adanya penumpukan sel-sel busa pada tunika intima dan media, sedangkan pada aorta tikus wistar yang diberi lemak babi bersamaan dengan ekstrak daun gedi maupun yang dilanjutkan dengan ekstrak daun gedi ditemukan berkurangnya jumlah sel-sel busa.Kata Kunci : Ekstrak daun gedi, Lemak babi, Sel busa.

scholarly journals Immunomodulatory and Anti-Inflammatory Potentials of Trigona Honey in the Therapy and Prevention against Respiratory Infection in Wistar Rats

2020 ◽  
Vol 11 (3) ◽  
pp. 2955-2962
Author(s):  
Ibrahim Khaled Al-kafaween ◽  
Abu Bakar Mohd Hilmi ◽  
Mohamed M. Soliman
Keyword(s):  
Respiratory Infection ◽  
Wistar Rats ◽  
Serum Levels ◽  
Negative Control Group ◽  
Treated Group ◽  
Positive Control ◽  
Negative Control ◽  
Control Group ◽  
Gene Expressions ◽  
Anti Inflammatory

Trigona honey (TH) is well known for its therapeutic characteristics. To date, the study of Trigona honey as a prophylactic or immune booster prior to the bacterial infection of the invivo model is not well covered. This study aims to investigate anti-inflammatory and immune activities in Wistar rats infected with respiratory infection following with Trigona honey. 25 Wistar rats were assigned to possitive groups, negative control group, positive control group was fed TH (5 g / kg body weight) orally, the untreated group was infected with Staphylococcus aureus to induce respiratory infection, the treated group has been infected with S. aureus followed by treatment with TH at a dose of 1.5 ×108 CFU / mL and the preventive group ingested TH one week before S. aureus infection. Blood was obtained for biochemical analysis. Lung tissues have been collected for molecular examination. The results showed a significant decrease in serum levels of ALT, AST, urea and creatinine in the preventive and treated groups, serum IgG increased significantly (P<0.05) in the preventive and treated groups, IFN-y increased in the preventive group while decreased in the treated group, and IL-8 increased in the treated group while decreased in the preventive group. The mRNA expression of AGP is up-regulated in the positive control, preventive and treated groups. The α2-MG, TNF-α , and mRNA expressions showed lower regulation after administration of TH in preventive and treated groups. The results show the ability of TH to counteract immune and inflammatory changes in serum levels and gene expressions.

scholarly journals Uji efek ekstrak buah okra (Abelmoschus esculentus) terhadap kadar glukosa darah pada tikus wistar (Rattus norvegicus) yang diinduksi aloksan

2016 ◽  
Vol 4 (2) ◽  
Author(s):  
Leonardus B.A. Prakoso ◽  
Christi Mambo ◽  
Mona P. Wowor
Keyword(s):  
Blood Glucose ◽  
Wistar Rats ◽  
Negative Control Group ◽  
Negative Control ◽  
Abelmoschus Esculentus ◽  
Control Group ◽  
Elevated Blood ◽  
Glucose Levels ◽  
Elevated Blood Glucose ◽  
Blood Glucose Levels

Abstract: Okra (Abelmoschus esculentus) is one of many herbal medicine that have been used worldwide to prevent and treat diabetes mellitus. This research aimed to evaluate the effect of garlic bulbs extract administration on elevated blood glucose levels on Wistar rats (R. norvegicus) induced by alloxan. The subject in this research were male Wistar rats with total of 15 samples divided into 5 groups, consisting of one negative control group, one positive control group who were induce by 130 mg/kgBW of alloxan that cause the Rats in conditions of hyperglycemic, and three groups of Rats were given okra extract with dose of 0.375 ml/100 gBW of rat, 0.75 ml/100 gBW of rat , and 1.5 ml/100 gBW of rat. Blood glucose levels was measured on day zero, day one and day two every thirty minutes on 0, 30, 60, 90, 120, and every six hours on 0, 6, 12, 18, and 24. Data from the measurement showed that 0.375 ml/100 gBW, 0.75 ml/100 gBW , and 1.5 ml/100 gBW of okra extract can’t reduce elevated blood glucose levels on Wistar rats.Keywords: Abelmoschus esculentus, okra, blood glucose levels, alloxan Abstrak: Buah Okra (Abelmoschus esculentus) diyakini masyarakat sebagai salah satu tanaman obat yang mampu mencegah dan mengobati penyakit diabetes. Penelitian ini bertujuan untuk menguji apakah pemberian ekstrak buah okra dapat menurunkan kadar glukosa darah tikus Wistar (R. norvegicus) yang diinduksi aloksan. Subjek penelitian berupa tikus Wistar berjumlah 15 ekor yang dibagi dalam 5 kelompok, terdiri atas satu kelompok kontrol negatif, satu kelompok kontrol positif yang diberi aloksan dengan dosis 130 mg/kgBB yang menyebabkan tikus Wistar dalam keadaan hiperglikemik yang kemudian diinsuksi insulin, dan tiga kelompok Tikus hiperglikemik diberi ekstrak buah okra dengan dosis 0,375 ml/100 gBB tikus, 0,75 ml/100 gBB tikus, dan 1,5 ml/100 gBB tikus. Data diperoleh dari pemeriksaan kadar glukosa darah pada semua kelompok tikus Wistar pada hari ke nol, pertama, dan kedua pada menit ke-0, 30, 60, 90, 120 dan jam ke-0, 6, 12, 18, dan 24. Hasil penelitian menunjukkan bahwa pemberian ekstrak buah okra dengan dosis 0,375 ml/100 gBB tikus, 0,75 ml/100 gBB tikus, dan 1,5 ml/100 gBB tikus tidak mempunyai efek menurunkan kadar glukosa darah tikus Wistar. Kata kunci: abelmoschus esculentus, buah okra, kadar glukosa darah, aloksan

scholarly journals UJI EFEK ANTIPIRETIK EKSTRAK MENIRAN (Phyllantus niruri L.) PADA TIKUS WISTAR (Rattus norvegicus) JANTAN YANG DIINDUKSI VAKSIN DPT-HB

2015 ◽  
Vol 3 (1) ◽  
Author(s):  
Ivana Jansen ◽  
Jane Wuisan ◽  
Henoch Awaloei
Keyword(s):  
Wistar Rats ◽  
Negative Control Group ◽  
Positive Control ◽  
Negative Control ◽  
Control Group ◽  
Distilled Water ◽  
Phyllanthus Niruri ◽  
Antipyretic Effect ◽  
Flower Extract ◽  
Hb Vaccine

Abstract: The aim of this study is to investigate the antipyretic effect of leaf-flower extract (Phyllanthus niruri L.) in Wistar rats induced by DPT-HB vaccine. Samples were 15 Wistar rats as test animals and were divided into five groups of three in each. The negative control group was given orally distilled water, positive control group was given paracetamol and 3 experimental groups were given ethanolic leaf-flower extracts (100 mg, 200 mg and 300 mg /200 g body weight of rats). Pyrexia was induced in rats by intramuscular injection of 0.2 ml DPT-HB vaccine. Antipyretic activity was measured at 0, 30, 60, 90, 120, 150, 180 minutes after administration of leaf-flower extract, paracetamol and distilled water. The results showed that leaf-flower extract at a dose of 300 mg /200 g BW decreased the rectal temperature greater than with doses of 100 and 200 mg /200 g BW for 180 minutes of measurement. Conclusion: Leaf-flower extract has antipyretic effect in Wistar rats.Keywords: antipyretic, phyllanthus niruri, DPT-HB, wistar ratAbstrak: Penelitian ini bertujuan untuk menguji efek antipiretik ekstrak meniran (Phyllanthus niruri L.) pada tikus Wistar yang diinduksi vaksin DPT-HB. Metode: Hewan uji yang digunakan adalah 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 tanaman meniran masing-masing dengan dosis 100mg, 200mg dan 300 mg/200 grBB tikus. Induksi demam pada hewan uji menggunakan vaksin DPT-HB 0,2ml secara intramuskular. Pengukuran suhu rektal dilakukan sebelum dan sesudah pemberian vaksin dan setelah pemberian bahan uji yaitu pada menit ke-30, 60, 90, 120, 150 dan 180. Hasil penelitian memperlihatkan pemberian ekstrak meniran dengan dosis 300 mg/200 grBB menunjukkan penurunan suhu rektal lebih besar dibanding dengan dosis 100 dan 200 mg/200 grBB selama 180 menit pengukuran. Simpulan: Ekstrak meniran memiliki efek antipiretik pada tikus Wistar.Kata kunci: antipiretik, phyllanthus niruri, DPT-HB, tikus wistar

scholarly journals Influence of electroacupuncture on the points BP6 and E36 regarding gastric motility in Wistar rats

2017 ◽  
Vol 38 (2) ◽  
pp. 1071
Author(s):  
Guilherme Albuquerque de Oliveira Cavalcanti ◽  
Marlete Brum Cleff ◽  
Fábio Da Silva e Silva ◽  
Luiz Filipe Dame Schuch ◽  
Marina De Mattos Ferrasso ◽  
...  
Keyword(s):  
Gastric Emptying ◽  
Gastric Motility ◽  
Wistar Rats ◽  
Negative Control Group ◽  
Negative Control ◽  
Radiographic Examination ◽  
Control Group ◽  
Orogastric Tube ◽  
Gastric Emptying Time ◽  
Emptying Time

The study aimed to evaluate by radiographic examination the action of electroacupuncture on gastric motility in experimental animals. We used 24 Wistar rats, three months old, that received five metallic spheres, via orogastric tube (OT), with 2mL of barium contrast, followed by treatments: electroacupuncture points E36 and BP6 (T1); electroacupuncture in stitches (T2); sterile distilled water OT (T3); metoclopramide OT (T4). After treatment, serial radiographs, hourly, were made to follow the gastric emptying time of the spheres in rats. By analyzing the time of exit of the first sphere, animals in the group T1 had an average of 3h30min; at T2 the average was higher 6 hours; in T3 was 5h18min, and T4 showed an average of 4h36min. The action of electroacupuncture was comparable to the action of metoclopramide, which is know to increase peristalsis, whereas the response of the Shan group (T2) was close to the negative control group. Considering the results it was concluded that electroacupuncture at points predetermined significantly increases gastric peristalsis, reducing gastric emptying time in rats, may be an option for the treatment of motility disorders.

Hepatoprotective effect of methanol seed extract of citrus tangerina on paracetamol-induced hepatotoxicity in Wistar rats

2020 ◽  
Vol 23 ◽  
pp. 83-87
Author(s):  
E.G. Moke ◽  
K.K. Anachuna ◽  
K.E. Edje ◽  
M.O. Ojezele
Keyword(s):  
Wistar Rats ◽  
Liver Enzymes ◽  
Negative Control Group ◽  
Positive Control ◽  
Negative Control ◽  
Seed Extract ◽  
Hepatoprotective Effect ◽  
Control Group ◽  
Standard Drug ◽  
Histopathological Studies

This study investigated the hepatoprotective effect of methanol seed extract of Citrus tangerina on liver damage induced by paracetamol in laboratory rats. Wistar rats were used in this study and categorized into five groups. Groups 1 and 2 received 10 ml/kg normal saline orally, groups 3 and 4 were administered 200 mg/kg and 400 mg/kg respectively of Citrus tangerina seed extract orally, while silymarin 100 mg/kg served as standard drug treatment for group 5. Following six (6) days of pretreatment with the extract, hepatotoxicity was induced with paracetamol 3 g/kg (orally) in all the groups except the positive control group. At the end of the experiment (24 hours after induction), blood samples were collected under diethyl ether anaesthesia for biochemical markers of liver enzymes and antioxidative stress and the liver was harvested for histopathological studies. Both doses (200 mg/kg and 400 mg/kg) of Citrus tangerina seed extract significantly (p < 0.05) reduced the liver enzymes level, but significantly (p < 0.05) increased antioxidant enzymes when compared with the negative control group. Liver histology showed that the Citrus tangerina seed extract prevented hepatic injury induced by paracetamol. The methanol seed extract of Citrus tangerina possesses antioxidative and hepatoprotective effects.

Gastro-protective effects of camel milk on indomethacin-induced peptic ulcer in Wistar rats

2018 ◽  
Vol 7 (2) ◽  
pp. 42-56
Author(s):  
Mansouria Belhocine ◽  
Abdelkader Homrani ◽  
Fatima Azzouz Azzouz ◽  
Chahrazed Sakmeche
Keyword(s):  
Antioxidant Activity ◽  
Gastric Ulcer ◽  
Blood Cells ◽  
Wistar Rats ◽  
Negative Control Group ◽  
Negative Control ◽  
Camel Milk ◽  
Control Group ◽  
Gastric Mucus ◽  
Ulcer Index

Gastric ulcer associated with the use of nonsteroidal anti-inflammatory drugs (NSAIDs) and low-dose aspirin is a major public health problem. The present study was undertaken to determine the camel milk antioxidant activity, tested on DPPH, and its gastro-protective effect, investigated in Wistar rats sub-jected to gastric ulcer induced by a nonsteroidal anti-inflammatory agent, indomethacin. The study was performed on 20 adult male Wistar rats divided into 4 groups of 5 rats each. The negative control group received distilled water, the positive control group received indomethacin, the standard group received ranitidine and the fourth group was pretreated with raw camel milk, for 15 days respectively. On the 16th day, the indomethacin was ad-ministered to all rats except those of the negative control group. The ulcerogenic effect of indomethacin was highly significant, evidenced by a large number of ulcer lesions, a remarkably high ulcer index, and an important decrease in adherent gastric mucus. Camel milk resulted in significant gastro-protection compared to indomethacin ulcerated rats as manifested by significant decrease in ulcerative lesions number, and the ulcer index with a restored gastric mucus wall. The camel milk protection percentage is close to that of ranitidine. Additionally, in indomethacin-injured rats an increase in white blood cells, granulocytes, serum transaminases, and hemoglobin levels with a lowering in red blood cells were reported. These physiological disturbances were recovered by camel milk. Camel milk seemed to have gastro-protective effect, probably through its strong antioxidant activity, and may be recommended to patients with arthritis.

The Effects of a Mixture of Ferulic Acid and Gastrodin on Spontaneous Activity in Mice

2014 ◽  
Vol 955-959 ◽  
pp. 736-739
Author(s):  
Lin Liu ◽  
Dong Xue Wang ◽  
Ju Huo ◽  
Ying Zhao
Keyword(s):  
Ferulic Acid ◽  
Spontaneous Activity ◽  
Dose Group ◽  
Dose Range ◽  
Negative Control Group ◽  
Negative Control ◽  
Control Group ◽  
Dependent Manner ◽  
Excitatory Effect ◽  
Adult Mice

Objective: To study the effects of a mixture of ferulic acid and gastrodin on spontaneous activity in mice, we explored the pharmacological effects on the central nervous system. Methods: 50 healthy adult mice were randomly divided into five groups, each 10 mixture times the dose groups, respectively. The negative control group (ig same volume of saline) (ig ferulic acid 0.76mg • kg-1, gastrodin 1.06mg • kg-1), a 2-fold dose group (ig ferulic acid 1.52mg • kg-1, gastrodin 2.12mg • kg-1), 4-fold dose group (ig ferulic acid 3.04mg • kg-1, gastrodin 4.24mg • kg-1), 8-fold dose group (ig ferulic acid 6.08mg • kg-1, gastrodin 8.48mg • kg-1). We measured the spontaneous activity in mice before and after the administration of 10min, 20min, 30min, 40min, 50min, 60min, 80min, 100min, 120min, 180min, 240min, 360min. Results: Compared with the negative control group, there was a significant excitatory effect in 1-fold dose of spontaneous activity in mice in 60min, 80min, 100min (P<0.05, P<0.01); while 4-fold and 8-fold dose in 80min (P<0.05, P<0.01). Conclusions: There was an exciting effect of a mixture of ferulic acid and gastrodin in a certain dose range, but not in a dose-dependent manner.

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