scholarly journals Acute Toxicity Study of Bioactive Galactomannans From Two Non-Traditional Leguminosae Sources

2021 ◽  
Author(s):  
Fabrícia da Cunha Jácome Marques ◽  
Francisco Glerison da Silva Nascimento ◽  
Dayanne Terra Tenório Nonato ◽  
Amaurílio Oliveira Nogueira ◽  
Iásly Costa Lima ◽  
...  
Keyword(s):  
Acute Toxicity ◽  
Inflammatory Cell ◽  
Joint Inflammation ◽  
Therapeutic Agents ◽  
Behavioral Changes ◽  
Female Rats ◽  
Control Group ◽  
Dermal Toxicity ◽  
Blood Samples ◽  
Acute Toxicity Study

Abstract Galactomannans from Caesalpinia pulcherrima (GM-CP) and Delonix regia (GM-DR) are being pointed as potential therapeutic agents, but systematic evaluations on their acute toxicity are yet to be reported. In order to evaluate the occurrence of systemic toxicity, groups of three female rats received oral GM-CP or GM-DR (300 mg kg-1), whereas the control group received vehicle. Since lethality was absent, other groups received doses of 2,000 mg kg-1, which also did not cause lethality. Collection of organs and blood samples were done at day 14. Dermal toxicity of the galactomannans was also evaluated (2,000 mg kg-1, n=3 per group), as well both mechanical hypernociception and inflammatory cell influx after administration of GM-CP or GM-DR via intra-articular route (200 µg, n = 5 per group). At the routes and doses employed, both galactomannans did not evoke physiological / behavioral changes or skin / joint inflammation. Since the LD50 was not inferior to 2,000 mg kg-1, both galactomannans are in the class 5 of the Globally Harmonized System for Classification and Labelling of Chemicals.

scholarly journals Anti-tussive activity of Shwasakuthara Rasa a Herbomineral formulation prepared with and without Kajjali (Black Sulphide of Mercury) in SO2 induced cough in Swiss albino mice

2016 ◽  
Vol 5 (2) ◽  
pp. 50-52
Author(s):  
B R Bhagyalakshmi ◽  
◽  
R Galib ◽  
Mukesh Nariya ◽  
PK Prajapati ◽  
...  
Keyword(s):  
Body Weight ◽  
Acute Toxicity ◽  
Sulphur Dioxide ◽  
Respiratory Diseases ◽  
Female Rats ◽  
Control Group ◽  
Acute Administration ◽  
Cough Reflex ◽  
Acute Toxicity Study ◽  
Albino Mice

Introduction: Kajjali is considered as the base in maximum Rasa Yogas (Herbo-mineral formulations). Shwasakuthara Rasa (SKR) is a well-known herbo-mineral formulation indicated in different kinds of Shwasa (respiratory diseases) and Kasa (cough) having Kajjali as a base ingredient. The present study is to evaluate the acute toxicity and anti-tussive activity of SKR one prepared with Kajjali (SKR1) and another without Kajjali (SKR2) in sulphur dioxide induced cough model in albino mice. Materials and Methods: Acute toxicity study was carried as per the OECD 425 guideline in wistar female rats. Anti-tussive activity was carried out against sulphur dioxide-induced cough reflex in mice. Results: Animals did not manifest any signs of toxicity and mortality at the dose of 2000mg/kg body weight, orally. Both test drugs (32.5 mg/kg, po) showed significant reduction in cough reflexes compared with control. SKR1 showed pronounced anti-tussive activity followed by SKR2 when compared to control group. Conclusion: The presence of Kajjali in the formulation is safe on acute administration and further enhances anti-tussive activity of the formulation may be due to increasing bioavailability of Ayurvedic formulation.

scholarly journals Acute Toxicity Study and Antidiabetic Activity of Marine Alga-Halimeda Gracilis Chooranam (HGC) In Freshwater Zebrafish Model

2021 ◽  
Vol 14 (3) ◽  
pp. 1647-1653
Author(s):  
Sabari Anadh J V ◽  
Swapna R Nayaka ◽  
Usha N S ◽  
Subha V ◽  
Manimekalai K ◽  
...  
Keyword(s):  
Blood Glucose ◽  
Acute Toxicity ◽  
Marine Alga ◽  
Behavioral Changes ◽  
Toxicity Study ◽  
Postprandial Blood Glucose ◽  
Control Group ◽  
Metabolic Memory ◽  
Zebrafish Model ◽  
Acute Toxicity Study

Purpose: The study aimed to assess the acute toxicity and anti-diabetic activity of Halimedagracilis (green marine alga). Methods: The Halimedagraciliswere collected from the coastal area of the Gulf of Mannar biosphere reserve and shade dried. Methanolic extract of Halimedagracilis (MEHG) was prepared and it was screened for acute toxicity and anti-diabetic activity in the Zebrafish model. In the Acute toxicity study, the Zebrafishes were grouped into 6 groups and dosed with 6.25, 12.5, 25, 50, and 100mg/L of MEHG and observed at 0, 24, 48, 72, and 96 hours’ intervals. Foranti-diabetic activity analysis diabetes was induced using streptozotocin (STZ). The Zebrafish were divided into six groups- control group, positive control, diabetic Zebrafish with three doses of MEHG, and standard control (treated with metformin). Results: Acute toxicity studyshowed no significant behavioral changes and LC50 was determined as 100mg/L. In the diabetic study, test groups when compared to the control group showed: a significant reduction in both fasting and postprandial blood glucose levels and significant changes in the regeneration of pancreatic β-cells, and reduced vacuolization in the islets of Langerhans. Images of the regenerating caudal fins taken at 24, 48 and 72-hours post-amputation displayed significant limb regeneration in MEHG treated fish compared to the control group. Conclusion: These results prove that MEHG in STZ- induced diabetic Zebrafish possess potent anti-diabetic action by ameliorating blood glucose regulation, promoting pancreatic cell regeneration,minimizing long-term diabetic complications bypreventing the emergence of metabolic memory but no behavioral changes.

Acute toxicity of Potentilla anserina L. extract in mice

2020 ◽  
Vol 75 (5-6) ◽  
pp. 129-134 ◽  
Author(s):  
Dul Dram ◽  
Cui-Zhu Zhao ◽  
Qin-Ge Ma ◽  
Jun-Wei He ◽  
Jia-Jie Duo ◽  
...  
Keyword(s):  
Acute Toxicity ◽  
Biochemical Parameters ◽  
Maximum Dose ◽  
Histopathological Examination ◽  
Oral Dosage ◽  
Control Group ◽  
Acute Toxicity Study ◽  
Organ Index ◽  
Potentilla Anserina ◽  
Safety Range

AbstractPotentilla anserina L. is not only a medicinal plant, but also a traditional cuisine. Hence, an acute toxicity study was performed to confirm its safety profile. Forty Kunming mice were randomly divided into two groups: control group and P. anserina L. extract group. Using the maximum dosage method, the P. anserina L. extract group was given the maximum dose within 12 h, equivalent to 345.6 g/kg crude drug. The control group was given distilled water. After administration, toxicity symptoms of mice were observed, body weight and food intake were recorded. After 14 days, blood was collected to measure biochemical parameters, autopsy was carried out to observe the changes of organs, and the vital organs were separated, weighed, and preserved for histopathological examination. The results showed that P. anserina L. extract group had no toxic symptoms. The activity, weight, and diet of mice were normal, and no abnormality was found in organ index, renal function, liver function, anatomical observation, and histopathological examination. Therefore, the maximum oral dosage (345.6 g/kg) of P. anserina L. was good safety. This study indicated that P. anserina L. had a large safety range and the clinical application was safe.

scholarly journals SUB-ACUTE TOXICITY OF A STEROIDAL GLYCOSIDE FROM THE FLOWERS OF ALANGIUM SALVIIFOLIUM WANG

2021 ◽  
Vol 12 (6) ◽  
pp. 35-39
Author(s):  
Adeeba Anjum ◽  
Ashik Mosaddik ◽  
Mir Imam Ibne Wahed ◽  
Md. Ekramul Haque
Keyword(s):  
Clinical Trials ◽  
Acute Toxicity ◽  
Biochemical Parameters ◽  
Chronic Toxicity ◽  
Preliminary Investigation ◽  
Control Group ◽  
Blood Samples ◽  
Steroidal Glycoside ◽  
Liver And Kidney ◽  
Hematological And Biochemical Parameters

The current study was carried out to investigate the sub-acute toxicity of 3-O--D-glucopyranosyl-(24)-ethylcholesta-5,22,25-triene, a steroidal glycoside isolated from the flowers of Alangium salviifolium Wang on Long Evan’s rat. After intra-peritoneal administration of the compound at a dose of 300 μg/rat/day for 14 consecutive days, no mortality or significant changes in body weight or behavior were observed. The blood samples of the rats were examined for hematological and biochemical parameters which were statistically insignificant when compared to that of the control group. All the vital organs showed normal histopathological architecture (heart, lungs, liver and kidney) in comparison to the control group. This preliminary investigation demonstrate that the compound is safe at dose of 300 μg/rat/day for 14 consecutive days. But acute, sub-chronic and chronic toxicity evaluations as well as clinical trials need to be done.

scholarly journals Comparative Effects of Yellow Root (Arcangelisia flava (L.) Merr.) Decoctions with Water and Brackish Water on Kidneys and Uterus in Wistar Rats

2020 ◽  
Vol 25 (2) ◽  
pp. 116
Author(s):  
Suwijiyo Pramono ◽  
Risqika Y.T. Paramidhita ◽  
Marini Marini ◽  
Moch. Saiful Bachri
Keyword(s):  
Brackish Water ◽  
Wistar Rats ◽  
Organ Damage ◽  
Female Rats ◽  
Control Group ◽  
Inflammatory Infiltration ◽  
Blood Samples ◽  
Histological Features ◽  
Blood Biochemical ◽  
Biochemical Examination

Yellow root (Arcangelisia flava (L.) Merr.) is a medicinal plant used traditionally in Borneo, Indonesia, for several diseases. Nevertheless, it contains berberine alkaloids that are considered harmful. Empirically, based on local wisdom people do not boil yellow roots with water but with brackish water. This study aimed to determine the effects of yellow root decoctions made using water and brackish water on blood biochemical and histopathological profile of kidneys and uterus in Wistar rats after subchronic treatment. Overall, 70 Wistar female rats were divided into seven groups of which three groups were given yellow root water decoctions and three groups were given yellow root brackish water decoctions with doses equivalent to 1.25 g/kg BW, 2.5 g/kg BW and 5 g/kg BW of dried yellow root, whereas the control group was only given Aquadest. After 28 days of treatments, blood samples were obtained for biochemical examination followed by a surgical examination to observe the histological features of the organs. The results revealed significant differences in the blood urea nitrogen (BUN) levels between group that was given water decoction of the yellow root and the control group. On the other hand, the groups that were given brackish water decoction revealed no significant changes, except at  the highest dose. Furthermore, histopathological features of rats treated using all doses of the yellow root water decoctions revealed organ damage compared with the normal group, manifested as hemorrhage, degeneration, and necrosis of the kidneys, as well as epithelial damage and inflammatory infiltration of the uterus.

Esbiothrin’in Lepistes Balıkları (Poecilia reticulata) Üzerine Akut Toksik Etkisinin Belirlenmesi

2020 ◽  
pp. 6-12
Keyword(s):  
Acute Toxicity ◽  
Poecilia Reticulata ◽  
Probit Analysis ◽  
Behavioral Changes ◽  
Control Group ◽  
Health Issues ◽  
Analysis Method ◽  
Range Finding ◽  
Two Stages

Objectives: Esbiothrin, a synthetic piretroid pesticide contaminating aquatic ecosystems as a result of agriculturalfacilities and human health issues can be reached. through rain and drain water, was investigated in the presentstudy. Material and Methods: Guppy (Poecilia reticulata), standart species for bioassays according to OECD, was selected as a test animal for determination of the acute toxicity of esbiothrin. Experiments were conducted in two stages as range finding test and main test. In each experiment, six different esbiothrin concentrations and two control groups have been used. The experiment has been carried out with static bioassay method on three series during 96 h. Datas were evaluated using the U.S.E.P.A. LC50 computer program based on Finney’s Probit Analysis Method. During the main tests, the behavioral changes of guppy in each concentration were observed. In addition, macroscopic signs were also evaluated after exposure to esbiothrin. Results: According to bioassay results 24, 48, 72 and 96 h LC50 (95% confidence limits) values for guppy exposed to esbiothrin [(RS)-3-allyl-2-methyl-4-oxocyclopent-2-enyl (1R, 3R)-2,2 dimethyl -3-(2-methylprop-1-enyl)cyclopropanecarboxylate] were 173.57 (137.10-229.86) μg/L, 129.83 (98.33-162.27) μg/L, 106.71 (79.59-132.76) μg/L, 91.55 (67.19-115.78) μg/L, respectively. It has been observed that, contrary to control group, guppy exposed to different concentrations of esbiothrin were swimmed upside down, crowded at the water surface of the aquarium, some of them moved rapidly or slowly before death, and showed abnormal swimming. After death, some fish had swollen abdomen and hemorrhage at the base of the fins. Conclusion: Before pesticide manufacturing is allowed, its effects on the ecosystem and on non-target organisms need to be studied in detail. Keywords: Bioassay, esbiothrin, synthetic pyrethroid, guppy, Poecilia reticulata, acute toxicity

scholarly journals Withania frutescens. L Extract: Phytochemical Characterization and Acute and Repeated Dose 28-Day Oral Toxicity Studies in Mice

2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Abdelfattah EL Moussaoui ◽  
Mohammed Bourhia ◽  
Fatima Zahra Jawhari ◽  
Imane Es-safi ◽  
Syed Saeed Ali ◽  
...  
Keyword(s):  
Acute Toxicity ◽  
Oral Administration ◽  
Biochemical Parameters ◽  
Clinical Symptoms ◽  
Toxicity Study ◽  
Control Group ◽  
Oral Toxicity ◽  
Traditional Use ◽  
Subacute Toxicity ◽  
Acute Toxicity Study

Background. Withania frutescens. L (W. frutescens) is a perennial woody medicinal plant belonging to family Solanaceae largely used by the indigenous population to Morocco for the treatment of disease. Objective. The purpose of this study was to investigate the chemical composition, acute, and subacute toxicity of W. frutescens extract in mice. Materials and Methods. The phytochemical composition of W. frutescens extract was determined using a gas chromatograph (GC/MS). Acute toxicity study was carried out in mice through oral administration of single doses 500 mg/kg, 1000 mg/kg, and 2000 mg/kg for 14 days. Subacute toxicity was performed with oral administration of repeated doses 500 and 2000 mg/kg/day for 28 days. Biochemical parameters (alanine aminotransferase, aspartate aminotransferase, urea, and creatinine), as well as histopathological changes potentially occurred in organs, (liver, kidney, and spleen) were evaluated. Results. The results of chromatographic analysis showed the richness of W. frutescens extract in interesting phytochemical compounds majorly constituted of bicyclo[3.1.1]heptane, 6,6-dimethyl-2-methylene-(C10H16). Regarding acute toxicity study, the results showed no clinical symptoms occurred in treated mice compared to the control group and no histological changes detected in analyzed organs of treated mice with dose put to 2000 mg/kg nor adverse effect on biochemical parameters. Conclusion. The outcome of this work showed no toxic effect of W. frutescens in mice up to dose 2000 mg/kg bodyweight. Therefore, this study could scientifically validate further traditional use with safety in the range of tested doses.

scholarly journals ACUTE DERMAL TOXICITY STUDY OF ARECA CATECHU LINN. EXTRACT IN SPRAGUE-DAWLEY RATS

2016 ◽  
Vol 9 (9) ◽  
pp. 209
Author(s):  
Liza Meutia Sari ◽  
Frans D Suyatna ◽  
Gus Permana Subita ◽  
Elza Ibrahim Auerkar
Keyword(s):  
Body Weight ◽  
Aqueous Extract ◽  
Lethal Dose ◽  
Clinical Signs ◽  
Treated Group ◽  
Female Rats ◽  
Control Group ◽  
Sprague Dawley ◽  
Dermal Toxicity ◽  
Areca Catechu

ABSTRACTObjective: Areca catechu Linn. or biji pinang is one of the most widely used psychoactive substance with several hundred million users worldwide,predominantly in Southern Asia. However, details of the dermal toxicity of A. catechu L. are still undiscovered. The objective of this study is toinvestigate the in vivo acute dermal toxicity of aqueous extract of A. catechu L. at dose 15,000 mg/kg body weight in Sprague-Dawley rats.Methods: The acute dermal toxicity of A. catechu L. nut extract was investigated in rats, as per OECD Guidelines 402 for acute toxicity protocols. Thebody weight, possibility of death, general signs, and behavior activity parameters were measured for 14 days to ascertain the median lethal dose(LD50) of the extract. At the end of the study, all the animals in all the treated group were sacrificed.Results: The LD50 was found to be >15,000 mg/kg body weight. There was significant weight increase (p<0.05) in treated group when comparedto control group. No mortality was observed during whole 14 days study period. A single dose of 15,000 mg/kg of body weight did not producetreatment-related signs of toxicity in any of animal tested.Conclusion: A single dermal dose to A. catechu L. aqueous extract had no toxic effects on mortality, clinical signs, body weight changes, and grossfindings in female rats at a dose of 15,000 mg/kg of body weight. Subsequently, the concentrate can be employed for pharmaceuticals nutrient plants.Keywords: A. catechu L., Acute dermal toxicity, LD50.

scholarly journals Acute Toxicity Evaluation of a Crude Sap Isolated from Nypa fruticants Wurmb. in Sprague Dawley Rats

2021 ◽  
Vol 50 (3) ◽  
pp. 711-721
Author(s):  
SITI FATIMAH ROQIAH YAHAYA ◽  
NIZA SAMSUDDIN ◽  
SUHANA MAMAT ◽  
ROZITA HOD ◽  
NOR ZAMZILA ABDULLAH ◽  
...  
Keyword(s):  
Acute Toxicity ◽  
Histopathological Examination ◽  
Vital Signs ◽  
Treated Group ◽  
Female Rats ◽  
Full Blood Count ◽  
Control Group ◽  
Sprague Dawley ◽  
Sprague Dawley Rats ◽  
Significant Difference

Nypa fruticans Wurmb. (nipa palm) sap, locally known as air nira or tuak, is a sweet natural beverage in Malaysia with antioxidant potency beneficial for human health. However, nypa sap lacks scientific attention with no toxicity study has been established. Therefore, this study was performed to evaluate the acute toxicity of nypa sap in the female Sprague Dawley rats. Twenty-five female rats were randomly divided into one control group and four treated groups. Treated groups were orally administered with doses of 5, 50, 300, and 2000 mg/kg of nypa sap, while the control group had received normal saline solution. The animals’ vital signs and mortality were recorded daily at an interval of 30 min and continued up to 14 days. Their blood samples and organs were harvested for toxicity analysis to assess liver and kidney function, lipid profile, and full blood count. The acute toxicity test via measurement of the biochemical and haematological parameters had shown that there was no significant difference between the treated and control groups. However, the blood glucose level in the treated groups (at higher doses of 300 and 2000 mg/kg, respectively) was significantly decreased. A similar trend was recorded for mean corpuscular volume (MCV) albeit in the treated group of 50 mg/kg doses. Histopathological examination of the organs showed no signs of abnormality in both treated and untreated groups. Overall, the results showed that consumption of nypa sap is potentially safe with no acute toxic effect on the laboratory rat models.

scholarly journals In vivo antiplasmodial potential of aqueous seed extract of Ricinus communis

2019 ◽  
Vol 8 (2) ◽  
pp. 133-138
Author(s):  
Peace ME. Ubulom ◽  
Ette O. Ettebong ◽  
Edidiong J. Udofia ◽  
Rachel S Inyang Etuk
Keyword(s):  
Acute Toxicity ◽  
Ricinus Communis ◽  
Lethal Dose ◽  
Suppressive Effect ◽  
Seed Extract ◽  
Toxicity Study ◽  
Control Group ◽  
Active Principle ◽  
Acute Toxicity Study

Introduction: Ricinus communis is used by the people of Niger-Delta region of Nigeria, for the treatment of various ailments, especially malaria. This study evaluated the antiplasmodial potentials of the aqueous seed extract of R. communis, using Plasmodium berghei berghei. Methods: Acute toxicity study was carried out to determine the median lethal dose (LD50) of the extract. Antiplasmodial effect of the extract was assessed in suppressive, repository/ prophylactic and curative models, using Swiss albino mice (15-29 g). Mice were infected intraperitoneally with 0.2 mL of parasitized blood. Extract doses administered were 54.77, 109.54 and 164.32 mg/kg/d of the seed extract and each dose had 6 replicates. Artesunate (5 mg/kg/d) and pyrimethamine (1.2 mg/kg/d) were used as standard drugs, while distilled water (10 mL/kg/d) served as control. Results: Acute toxicity study produced LD50 of 547.72 mg/kg. The extract demonstrated a dosedependent reduction in parasitaemia in all tests. At the end of 4-day test, suppressive effect of 20.80, 49.00, 75.00 and 88.40% were obtained for doses 54.77, 109.54 and 164.32 mg/kg/d of the seed extract and artesunate, respectively. In the repository test pyrimethamine was more potent (72.26%) than the seed extract (9.47%–51.42%). The extract also exhibited appreciable curative effect. The activity of the seed extract was significant when compared with the control (P < 0.05). Mice treated with the seed extract and drugs survived for longer duration than the control group. Conclusion: The aqueous seed extract of R. communis has antiplasmodial potential and its active principle should be elucidated and further investigated to help in the ongoing fight against malaria.

Sign in / Sign up

Export Citation Format

Share Document