scholarly journals Hepatoprotective effect of Helicanthus elastica

2016 ◽  
Vol 11 (2) ◽  
pp. 525 ◽  
Author(s):  
K.N. Sunil Kumar ◽  
R. Rajakrishnan ◽  
J. Thomas ◽  
G. Aadinaath Reddy

<p class="Abstract">Search for medicinal plants to treat liver disorders is an important research topic on herbs. Acute toxicity study is a prerequisite for safety and dose fixation for further pharmacological actions. In the present study, aqueous and 95% ethanolic extract of whole plant of <em>Helicanthus elastica</em> were subjected to acute oral toxicity. The aqueous and ethanolic extract revealed no observable changes in the rats up to the dose level of 2,000 mg /kg body weight. The extracts were then screened for paracetamol-induced hepatic injury at dose levels of 200 and 400 mg/kg body weight (1/10 and 1/5 LD<sub>50 </sub>based on toxicity study). The aqueous extract of whole plant of <em>H. elastica</em> was found to produce significant (p&lt;0.05) reversal of the paracetamol-induced changes in the measured biochemical and histopathological parameters at lower dose of 200 mg/kg which was found to be better than ethanol extract at the same dose level.</p><p class="Abstract"><strong>Video Clip:</strong></p><p class="Abstract"><a href="https://www.youtube.com/v/cO6HI1Kikxs">Acute toxicity study and others:</a> 5 min 38 sec</p><p> </p>

Author(s):  
Manal H. AL-Jborrey ◽  
Muastafa A. K. Altaie ◽  
Ayyad W. Al-Shahwany

Background: Toxicity still a global problem for the environment, agriculture and ultimately human health. Objective: In this study attempt to investigate the toxicological profile of the ethanol, extract of Ricinus cummunis after acute and sub-chronic administration to mice. Methods: In the acute toxicity study, a single administration of the extract at doses of 1000,2000,3000,4000 and 5000 mg/kg, respectively, was gave orally. Mice were observed for general behavioral changes, adverse effects and mortality up to 10 days post-treatment. In sub-acute toxicity studies, herbal extract was gave orally to mice at doses of 50 mg/kg, 100 mg/kg and 150 mg/kg for 10 days. Results: In the acute toxicity study, the mortality appeared in 2000 mg/kg and LD50 were calculated at 1100 mg/kg. In the sub-chronic toxicity the study show significant differences in body weight between the control and treated groups (p < 0.05). Histopathology of vital organ (liver & kidney) show morphological changes. Conclusions: These results demonstrate the real toxic effect of the ethanolic extract after single dose. The LD50 value is 1100 mg/kg and research indicates that successive use of the seed at the dose above (2 g/kg in human) daily for long period may cause toxic signs. Highlights: The Ricinus communis oil's has wide variety of industrial applications: as a drying oil for paints, varnishes, plastics and resins is an ingredient in numerous cosmetics. But it need to toxicity study as acute and sub-acute with observation of hematological and histopathological to be more safety  for used.


2019 ◽  
Vol 10 (4) ◽  
pp. 3750-3754
Author(s):  
Siva Ganesh M ◽  
Radhika J

The recent study was planned to determine the acute toxicity study of Apium leptophyllum pers. A single dose of 400,1200,2000 mg/ kg of ethanolic extract of Apium leptophyllum pers according to the OECD guidelines and the dose level was administrated orally into swiss albino mice. Oral administration of maximum level of ethanolic extract of Apium leptophyllum pers upto 2000 mg/kg body weight to experimental group of albino mice was evaluated. Biochemical, haematological  and histopathological parameters were checked throughout the study. Signs of toxicity, mortality and body weight were monitored for 14 days post treatment of Apium leptophyllum pers . There is no substantial variations were noticed in control and treated groups. Result revealed that the ethanolic extract of Apium leptophyllum is safe and no toxicity was caused. 


Author(s):  
Meenakshi Sundaram Malayappan ◽  
Gayathri Natarajan ◽  
Logamanian Mockaiyathevar ◽  
Meenakumari Ramasamy

Abstract Objectives Madhulai Manappagu – a well-known sastric and widely prescribed Siddha herbal syrup formulation indicated for treating Veluppu Noi (Anaemia especially Iron deficiency Anaemia) has been in day today practice in Tamil Nadu for a quite longer decades. The syrup is a herbal preparation which has a sweet pleasant odour and a palatable taste, contain the juice of pomegranate (Punica granatum L.) as the main ingredient. Though the formulation is a fruit juice, the safety profile of the syrup is not established and is being marketed without toxicological evaluation. The study is aimed at ascertaining the acute and sub-acute toxicity assessment of Madhulai Manappagu in Wistar Albino rats. Methods The acute and sub-acute (28day repeated oral) toxicity studies were performed as per the guidelines mentioned in the Organization for Economic Cooperation and Development (OECD) 423 (adopted on December 2001) and TG 407 (adopted on October 2008) with slight modifications respectively. For acute toxicity study, three female rats were randomly selected as control; three female rats were randomly selected and were administered a single dose of 5,000 mg/kg body weight per oral route. For sub-acute (28day repeated oral) toxicity studies, three doses of test drug MM of 500 mg/kg/day (low dose), 750 mg/kg/day (intermittent dose) and 1,000 mg/kg/day (high dose) were selected for administration. Both sexes of Wistar Albino rats were randomized into four groups of 10 animals each (five males, five females). Group I was kept as control group. Group II, III and IV served as low, intermittent and high doses of MM respectively. Animals were observed for mortality, morbidity, body weight changes, feed and water intake. Haematology, clinical biochemistry, electrolytes, gross pathology, relative organ weight and histopathological examination were performed. Results In the acute toxicity study, rats showed no toxicological signs on behavior, gross pathology and body weight of rats when treated with a single dose of 5,000 mg/kg body weight per oral route. In the subacute (28 days repeated oral) toxicity study, rats have showed no significant changes on behavior, gross pathology, body weight, and hematological and biochemical parameters when treated with Madhulai Manappagu in three different doses. Conclusions The toxicity studies which include both acute and 28 days repeated (subacute) oral toxicity studies, revealed no observed adverse effect level (NOAEL) of Madhulai Manappagu in animals. Thus the safety of the drug in human usage was ensured.


2021 ◽  
Vol 9 (A) ◽  
pp. 976-981
Author(s):  
Rizka Qurrota A’yun ◽  
Uswatun Hasanah ◽  
Hamam Hadi ◽  
Mustofa Mustofa ◽  
Eva Nurinda ◽  
...  

BACKGROUND: Porang (Amorphophallus oncophyllus) is a local tuber food that high in bioactive compound glucomannan. It uses are limited due to oxalate acid content which poses health risks. Strobilanthes crispus leaves could reduce the level of calcium oxalate in porang. However, there is still no study to prove its safety. AIM: This study aimed to investigate the acute oral toxicity study of porang (A. oncophyllus) macerated with S. crispus based on observation of mortality rate (LD50), the changes in behavior during 72 h, renal and hepatic function such as urinary protein, serum glutamic oxaloacetic transaminase (SGOT), and serum glutamic pyruvic transaminase (SGPT) levels of Wistar rat (Rattus norvegicus) METHODS: An acute toxicity test was conducted based on the Organization of Economic Co-Operation and Development 420 Fixed-Dose Procedure Guideline that consists of preliminary and main studies. For the preliminary study, rats were divided into control and five treatment groups with the dosage of 50, 300, 2000, and 5000 mg/kg body weight (BW) for each natural porang flour (NPF) and S. crispus-macerated porang flour (SPF). For the main study, rats were divided into four groups, those were NPF and SPF with the dosage of 2000 and 5000 mg/kg BW. Levels of urinary protein and blood serum SGOT and SGPT levels were measured at 0, 24, and 72 after treatment. RESULTS: The acute toxicity study showed that porang and porang macerated with S. crispus were not toxic until the highest dose of 5000 mg/kg BW. It was proved by the absence of LD50, no change in behavior, no weight losses, and also the results of biochemical tests, such as urinary protein, SGOT, and SGPT which were still in the normal range. CONCLUSIONS: Porang flour and SPF were concluded as non-toxic food based on acute toxicity study.


Toxins ◽  
2020 ◽  
Vol 12 (2) ◽  
pp. 87 ◽  
Author(s):  
Silvio Sosa ◽  
Marco Pelin ◽  
Federica Cavion ◽  
Fabienne Hervé ◽  
Philipp Hess ◽  
...  

Pinnatoxin G (PnTx-G) is a marine cyclic imine toxin produced by the dinoflagellate Vulcanodinium rugosum, frequently detected in edible shellfish from Ingril Lagoon (France). As other pinnatoxins, to date, no human poisonings ascribed to consumption of PnTx-G contaminated seafood have been reported, despite its potent antagonism at nicotinic acetylcholine receptors and its high and fast-acting toxicity after intraperitoneal or oral administration in mice. The hazard characterization of PnTx-G by oral exposure is limited to a single acute toxicity study recording lethality and clinical signs in non-fasted mice treated by gavage or through voluntary food ingestion, which showed differences in PnTx-G toxic potency. Thus, an acute toxicity study was carried out using 3 h-fasted CD-1 female mice, administered by gavage with PnTx-G (8–450 µg kg−1). At the dose of 220 µg kg−1 and above, the toxin induced a rapid onset of clinical signs (piloerection, prostration, hypothermia, abdominal breathing, paralysis of the hind limbs, and cyanosis), leading to the death of mice within 30 min. Except for moderate mucosal degeneration in the small intestine recorded at doses of 300 µg kg−1, the toxin did not induce significant morphological changes in the other main organs and tissues, or alterations in blood chemistry parameters. This acute oral toxicity study allowed to calculate an oral LD50 for PnTx-G equal to 208 μg kg−1 (95% confidence limits: 155–281 µg kg−1) and to estimate a provisional NOEL of 120 µg kg−1.


2021 ◽  
Vol 11 ◽  
Author(s):  
Pranay Wal ◽  
Nikita Saraswat ◽  
Ankita Wal ◽  
Rashmi Saxena Pal ◽  
Deepa Maurya

Background: Diabetes mellitus is a disease and endocrine disorder and it's a growing health problem in various countries. The prevalence of diabetes rises worldwide including South Africa 5.4% in 2025 increases as expected. The World Health Organization (WHO) estimated the diabetes mellitus problem in adults 173 million in developing counties. In this research observation of glucose levels indicated the diabetic state in Wistar rats by resulting from Streptozotocin administration and using a Metformin as a standard dose. This study demonstrated the acute oral toxicity and subacute oral toxicity of ethanolic extract of Saraca asoca leaves and Asparagus racemosus roots and showed the antidiabetic activity. Objective: To perform acute toxicity studies and sub-acute toxicity of the polyherbal ethanolic extract on the vital organ and isolated organ and record and noticed the visible changes on organs of each group of Wistar rats. Explore the hypoglycaemic action of the polyherbal extract of Saraca asoca and Asparagus racemosus. Methods: Wistar rats were divided into required groups for toxicity study first is acute oral toxicity 5,50, 300,2000 mg/kg body weight. Subacute oral toxicity studies were performed by administering a 250, 500, 1000mg/kg body weight. For demonstrating the antidiabetic activity the animals divided into 5 groups 1 normal control given saline group 2 standard dose Metformin compulsory dose groups 3 Streptozotocin-Induced diabetic 150mg/kg body weight body weight, groups 4 ethanolic extracts at a 100mg/kg groups 5 ethanolic extract 200mg/kg. On the last day of all the dosing period examined the Blood glucose levels and body weights of rat and histopathology studied were done by animal sacrifice and cut organs such as tissue pancreas, spleen, heart, lungs, liver, and kidney, placed on the slide and done a microscopic examination. Data selection has been complete by research papers from many databases such as NCBI, Web of science and Science direct and PubMed from year 1989 to 2020 by utilize research. skeywords such as “Antidiabetic”, “Saraca indica”, “Asparagus racemosus”, “ethanolic polyherbal extract”, “oral toxicity study”, “histopathology”, “Streptozotocin. Results : The polyherbal ethanolic extract of Saraca asoca and Asparagus racemosus at a dose of 100mg/kg and 200mg/kg was showed better effects against Streptozotocin-Induced diabetic 150mg/kg body weight body weight. All the extracts showed significantly (P <0.05) and it is safe and non-toxic nature by performed a toxicity study acute and subacute oral toxicity and the bodyweight are also improved, no inflammation and erosion are seen on any organs of Wistar rat by demonstrated a histopathology analysis. Conclusions: The polyherbal ethanolic extract of Saraca asoca and Asparagus racemosus showed hypoglycaemic activity against STZ-induced diabetes in experimental Wistar rats in Wistar rats. The results are shown beneficial effects of these ethanolic extract it helps in improving the changes in lipid metabolism, and protect the organs of Wistar rat liver, kidney, spleen, pancreas, lungs, heart against due to impairment of blood glucose and also in body weight. All organs were weighted and cut the tissue of organs and stained from eosin dye and changes observed by microscopy photos. no signs of inflammation and erosion.


2015 ◽  
Vol 7 (2) ◽  
pp. 49-54 ◽  
Author(s):  
Lovelyn Joseph ◽  
Rejeesh Edavan Puthallath ◽  
Sundarshanram Narayan Rao

Aims and Objective: To evaluate acute and chronic (90 days) oral toxicity of Valeriana wallichii rhizome hydroethanolic extract in Swiss albino mice.Materials and Methods: Valeriana wallichii rhizome was subjected to extraction with Soxhlet apparatus, using ethanol (90%) + water (10%) mixture and dried withrotavapor. Phytochemical fingerprinting of the extract was done with LC/MS (Liquid chromatography–mass spectrometry). Limit Test for acute oral toxicity at 2000 mg/kg body weight was conducted according to OECD guideline no 425. Chronic 90 day oral toxicity study with three different dose groups (200, 600, 1800 mg/kg/body weight/day) with selected in life parameters (physical, behavioural) and post mortem parameters (haematological, biochemical, gross necropsy and histopathological) as per WHO guidelines for testing safety of herbs was conducted.Results: Acute toxicity: no signs of abnormality, morbidity or mortality were observed during 14 days of observation. Chronic toxicity: Significant differences between the treated and control groups were observed in the following parameters: Loss of Auditory startle, Aggressiveness (Control > treated), Nasal discharge, Dyspnoea. At necropsy, tracheitis was observed in 3 cases. Results from Photoactometer test indicates dose dependent increase in sedative property.Conclusion: From this work it could be concluded that Valerianawallcihii rhizome hydroethanolic extract didn’t exhibit mortality, morbidity or any other neurologic, hematologic or biochemical adverse effects apart from sedation which is extension of their known pharmacological activity, after single oral dose of 2000mg/ kg bw (14 days of observation) or after once daily 200mg/kg, 600mg/kg 1800mg/kg oral treatment for 90days in healthy adult Swiss albino mice.Asian Journal of Medical Sciences Vol.7(2) 2015 49-54


Pharmacologia ◽  
2013 ◽  
Vol 4 (7) ◽  
pp. 464-468 ◽  
Author(s):  
S. Kameshwara ◽  
C. Jothimaniv ◽  
R. Senthilkum ◽  
S. Thenmozhi ◽  
R. Sundaragan ◽  
...  

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