Objective:To investigate the medicative effects of medium-polar (benzene:acetone, 1:1, v/v) extract of leaves from Stevia rebaudiana (family Asteraceae) on alloxan-induced diabetic rats.Materials and Methods:Diabetes was induced in adult albino Wistar rats by intraperitoneal (i.p.) injection of alloxan (180 mg/kg). Medium-polar extract was administered orally at daily dose of 200 and 400 mg/kg body wt. basis for 10 days. The control group received normal saline (0.9%) for the same duration. Glibenclamide was used as positive control reference drug against Stevia extract.Results:Medium-polar leaf extract of S. rebaudiana (200 and 400 mg/kg) produced a delayed but significant (P < 0.01) decrease in the blood glucose level, without producing condition of hypoglycemia after treatment, together with lesser loss in the body weight as compared with standard positive control drug glibenclamide.Conclusions:Treatment of diabetes with sulfonylurea drugs (glibenclamide) causes hypoglycemia followed by greater reduction in body weight, which are the most worrisome effects of these drugs. Stevia extract was found to antagonize the necrotic action of alloxan and thus had a re-vitalizing effect on β-cells of pancreas.
Aims: The aim of the present work to perform phytochemical screening and wound healing activity of different leaf extract of Rhynchosia rothii. Place and Duration of the Study: The present work has been carried out at Oriental University, Indore between the duration of November-2020 to January-2021. Methodology: Rhynchosia rothii dried leaf powder was subjected to continuous extraction with a soxhlet extractor using various organic solvents. Preliminary phytochemical screening with various qualitative chemical tests revealed the presence of Alkaloids, Tannins, Flavonoids, proteins, and mucilage present in Rhynchosia rothii leaf extracts. Wister rats of both sexes weighing 150-200 g were used for experimental purposes. The animals were kept in polypropylene cages at room temperature and with a light/dark cycle of 12:12 hours. All the test extracts at a different dose level and standard were administered topically once daily from day 0 to the day of complete healing or the 21st postoperative day, whichever occurred earlier. Results: A significant increase in wound healing activity was observed in animals treated with alcoholic and aqueous extracts of Rhynchosia rothii leaves at a dose of 200 mg/kg body weight, compared to control treatments. Both methanolic and standard extracts of Rhynchosia rothii (200 mg/kg body weight) showed a dose-dependent increase in the rate of wound contraction. The methanolic extract of Rhynchosia rothii at a dose of 200 mg/kg body weight showed an increase in the percentage of wound contraction from 40.08% to 88.90% from day 3 to 12. The aqueous (standard) extract of Rhynchosia rothii at a dose of 200 mg/kg body weight showed an increase in the percentage of wound contraction from 46.02% to 100% from day 3 to 12. Conclusion: From the previous results it was concluded that the Wound represents a serious health problem, both in terms of morbidity and mortality. Wound healing is a critical response to tissue integrity. Therefore, the wound healing property of Rhynchosia rothii can be attributed to the phytoconstituents present in it, which may be due to its individual or additive effect that accelerates the wound healing process. Since Rhynchosia rothii is grown in abundance in India and rest of other part of world, it could be a fairly good and easily available therapeutic agent due to its naturally occurring tendency for healing wounds as a healer, as well as controlling abnormal healing.
The present study was undertaken to clarify whether methanolic extract of Tridax procumbens prevents liver fibrosis in rat. The hepatic fibrosis was induced by 28 days of bile duct ligation in rats. The 4-week treatment with Tridex procumbens reduced the serum aspartate aminotransferase (U L⁻¹), glutamate pyruvate transaminase (U L⁻¹), alkaline phosphatase (IU L⁻¹), lactate dehydrogenase (IU L⁻¹), total bilirubin (mg dL⁻¹), direct bilirubin (mg dL⁻¹) and hydroxyproline (mg gm⁻¹) content in liver and improved the histological appearance of liver section. The results of this study led us to conclude that T. procumbens can reduce the degree of hepatocellular damage and may become antifibrotic agent for liver fibrosis.
Various extracts of diverse parts of medicinal plants have been shown to possess antidiabetic and hypoglycemic effect. Most of them look to act directly on pancreas (pancreatic effect) and stimulate insulin level in blood. Some have extra pancreatic effect by acting directly on tissues like liver, muscle, etc and alter favorably, the activities of the regulatory enzymes of glycolysis, gluconeogenesis and other pathways. The research work embodied in the thesis deals with the scientific exploration of indigenous plants viz., Ficus bengalensis Linn for their possible anti-diabetic and hypoglycemic activity. The present investigations concluded that the ethanolic and aqueous extracts of aerial parts of Ficus bengalensis Linn endowed with potential antidiabetic activity which could be attributed by their possible multiple effects on both pancreatic and extra-pancreatic site by influencing either the metabolism and/or absorption of glucose, which in turn also influence the lipid metabolism. Keywords: hypoglycemic, Ficus bengalensis Linn, Diabetic, Lipid metabolism
Aim- The main aim of the present study is to evaluate the anti-diabetic study of different extracts of Corchorus trilocularis in STZ induced diabetes in rats. Material and Methods- Powdered drug 500 gm was weighed and packed in soxhlet. The drug was continuously extracted with petroleum ether for about 72 hours. Complete defatting was ensured by placing a drop form the thimble on a filter paper give any oily spot. The mark was dried in air to remove traces of petroleum ether. Defatted mark was subjected to extraction with ethyl acetate in soxhlet apparatus and then again extracted by using ethanol, butanol and finally by using water. Acute oral toxicity test was carried out according to the OECD guideline No. 423. After fasting 18 hours, the rats were injected intraperitoneal injection through tail vein with a single dose of 40 mg/kg Streptozocin, freshly dissolved in citrate buffer (pH 4.5). Then serum samples were also used to analyze for serum Total Cholesterol (TC), Triglycerides (TG), High Density Lipoprotein Cholesterol (HDL-C), Low Density Lipoprotein Cholesterol (LDL-C) and Very Low Density Lipoprotein Cholesterol (VLDL-C) and atherogenic index (AI). Results- Petroleum ether, ethanolic and butanolic extracts had moderately significant effects (p<0.01) on 14th and 21st days. However, aqueous extracts showed significant effect (p<0.05) in glucose levels. The effect of aqueous extract is very less as compared to other extracts. Conclusion- The present investigation comprises of the phytochemical and pharmacological investigations of leaves of Corchorus trilocularis for the antidiabetic activity. Keywords- Anti-diabetic, Different extracts, Corchorus trilocularis, STZ induced diabetes, (HDL-C), Low Density Lipoprotein Cholesterol (LDL-C), Very Low Density Lipoprotein Cholesterol (VLDL-C)
AIM- The aim of the present investigation is scientifically establishing the anti-arthritic activity of selected medicinal plant so that we are able to come up with a more effective and potent bioactive phytoconstituents with less side effects in comparison with existing synthetic drugs. MATERIAL & METHODS- The leaves of Alstonia scholaris were collected from campus of College of Pharmacy. All the plant materials were taxonomically identified by Dr. Gyanendra Tiwari, Senior Scientist, KNK College of Horticulture. All the plant materials were dried under shade and subjected to coarse powder for extraction process. Accurately weighed quantity of leaf powder of Alstonia scholaris were extracted using 95 % ethanol by soxhlet apparatus for 72 h. The ethanolic extracts were dried under the reduced pressure to get crude ethanolic extracts. The Wistar albino rats were divided into 10 groups of six animals in each. For the induction of chronic inflammatory response, FCA (0.1 ml) was injected through intra-articular injection in left ankle joint of rats on 0 day. The severity of adjuvant arthritis was quantified by measuring the volume of the hind paw using Plethysmograph. Body weight was measured of all groups at zero days before immunization and at 21st day after treatments over by using a single pan weighing balance. RESULTS- The preliminary phytochemical analysis revealed that different active constituent present in different extracts such as carbohydrates, proteins, amino acids, fat, oils, steroids, terpenoids, glycosides, alkaloids, tannins and other phenolics compounds. The assessment made on the 21st day showed that the A. scholaris treatments at both doses (low and high) had moderately significant and highly significant effect and reduced (p< 0.01& p<0.001) the adjuvant-induced lesions in the respective treatment groups as compared with the arthritis control group. However, standard, A. scholaris had highly significant effects (p<0.001) in recovery of RBCs and haemoglobin. They also showed highly significant effects on decrease in WBCs and ESR treated groups, also showed moderately significant effects as compared to arthritic group. CONCLUSION- Besides from the obvious therapeutic importance, these components would be useful in understanding the mechanism of diseases with higher levels of cellular and molecular level. These components could serve as lead molecules for development of prospective anti-arthritic agents. Keywords: Anti-arthritic agent, Lead molecules, Alstonia scholaris, Shronic inflammatory response, Synthetic drugs, Plethysmograph
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