Posted by admin on Sep 30, 2019 in |
In this study, the in-vivo toxicity of Centella asiatica & Evolvulus alsinoides were evaluated by acute and sub-acute toxicity assays according to the guidelines of OECD 423 & 407 respectively. For LD50 evaluation, a single dose of hydro-alcoholic extracts of both plants was orally administered to Swiss albino mice at doses of 200, 400, 800, 1600 and 2000 mg/kg. Then the animals were observed for 72 h. For acute toxicity evaluation, a single dose of hydro-alcoholic extracts of both plants was orally administered to mice at doses of 300, 600, 1200 and 2000 mg/kg. Then, the animals were observed for 14 days. In the sub-acute study, the extracts were orally administered to mice for 28 days at doses of 300, 600, 1200, and 2000 mg/kg. To assess the toxicological effects, animals were closely observed on general behavior, clinical signs of toxicity, body weight, food, and water intake. At the end of the study, it was performed biochemical and hematological evaluations, as well as histopathological analysis from the following organs: brain, heart, liver, and...
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Posted by admin on Sep 30, 2019 in |
Glycosyl isothiocyanates have been widely used as important intermediates in the synthesis of many biologically active glycosyl derivatives. The glycosyl isothiocyanates have been the focus of synthetic attention during recent years because of their potential pharmacological properties. Thiourea and their derivatives are important versatile reagent in organic synthesis and show strong antibacterial activity. Hence, in view of applications of N-glycosylated compounds in medicinal chemistry and in many other ways, we herein report the synthesis and antimicrobial studies of novel glycosyl thiocarbamides of amino tetrazole and aminopyrimidine. In present investigation, a series of novel protected glycosyl heterocycles were synthesized by reaction of glycosyl isothiocyanate with amino tetrazole and amino pyrimidine. The newly synthesized compounds were characterized on the basis of IR, 1HNMR and Mass spectral studies. Antimicrobial evaluation of the synthesized substituted thiocarbamides is also carried out. Antimicrobial activities of the synthesized compound were evaluated against bacteria E. aerogenesa, B. megaterian, S. marcescens, and M. luteus and Fungi A. niger and Penicillinium. All the newly synthesized glycosyl thiocarbamides exhibit promising...
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Posted by admin on Sep 30, 2019 in |
The solar UV radiation is the major trigger factor that causes skin cancer. Nearly 65% of cases of melanoma occurs dues to high exposure to the UV radiation. It also accounts for 90% of the nonmelanoma skin cancers also referred to as NMSC also including the cases of basal cell carcinoma (BCC) and the squamous cell carcinoma (SCC). The rate of malignancy in other cases has seemed to get reduced but this is not the situation in case of NMSC, which seemed to have increased and also affect people of younger ages. Cases of NMSC can be accounted for 15,000 deaths in the USA alone. This is surely one of the major health concerns of the nation also. In order to find a solution to this problem a new form of drug delivery system using the specific ligand that has receptor on the surface or the target cells is being proposed. The current discussion deals with the making of the mannosylated quercetin loaded liposomes that can be used for...
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Posted by admin on Sep 30, 2019 in |
The present study was designed to determine the role of Andrographis paniculata (AP; 50 mg/kg) against the oxidative stress caused by the arsenic (0.5 and 1.0 mg/kg) for 30 days in adult mice. The results of in-vivo studies demonstrated that arsenic treatment resulted in a significant dose-dependent increase in the ovarian arsenic level and lipid peroxidation (LPO), followed by a marked reduction in gravimetric data, levels of total ascorbic acid, glutathione and in the activities of superoxide dismutase, catalase, and glutathione peroxidase. A significant reduction in the activities of 3b and 17b hydroxysteroid dehydrogenases along with elevated levels of cholesterol indicated ovarian endocrine dysfunction. These results suggest that an increase in free radical formation relative to loss of antioxidant defense system during arsenic exposure may render ovary more susceptible to oxidative damage leading to their functional inactivation. On the other hand, co-administration of arsenic with Andrographis paniculata (AP) restored altered biochemical variables, antioxidant balance, and gravimetry which suggests that the free radical-mediated damage during arsenic-induced oxidative stress could have...
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Posted by admin on Sep 30, 2019 in |
Epilepsy is a disorder of the central nervous system. A seizure occurs when the brain’s nerve cells misfire and generate a sudden uncontrolled surge of electrical activity in the brain. Seizures can be controlled with modern medicines and surgical techniques and are found to have so many side effects. Natural products from folk remedies are an alternative source of anti-epileptic drugs with better safety and efficacy profiles. Rubiadin is an anthraquinone glycoside isolated from roots of Rubia cordifoia (Manjishta) known for a number of pharmacological activities. The present study was aimed to assess the anti-epileptic activity of isolated rubiadin from Rubia cordifolia. The evaluation of anti-epileptic activity was carried out with maximal electric shock (MES) and Pentylene Tetrazole (PTZ) models. Epileptic seizure were induced in mice of either sex and the challenged animals treated with Whole Rubia cordifolia root extract & isolated Rubiadin suspension at two doses 100 mg & 500 mg respectively. The isolated Rubiadin suspension at 500 mg dose showed significant reduction in MES and PTZ induced...
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