ANTI INFLAMMATORY ACTIVITY OF CONE VOLA TILE OIL OF CUPRESSUS FUNEBRIS Endl.

The volatile oil obtained from the cones of Cupressus funebris by hydrodistillation was subjected to anti-inflammatory activity using carrageenan induced paw oedema model using albino mice, Diclofenac sodium was used as standard drug (25 mg/kg body weight, p.o.).

HPTLC method for the simultaneous determination of amlodipine and benazepril in their formulations.

A new, simple, precise, rapid, and selective high-performance thin-layer chromatographic (HPTLC) method is developed for the simultaneous analysis of amlodipine and benazepril in pharmaceutical formulations. The method uses zolpidem as an internal standard (IS). The stationary phase used is silica gel 60 F254 prewashed with methanol.

Effect of losartan and enalapril on cognitive deficit caused by Goldblatt induced hypertension.

The present study was designed to evaluate the learning and memory, in an altered physiological state associated with increased blood pressure and activated renin angiotensin system in Wistar rats. The role of angiotensin in cognitive function was assessed by treatment with angiotensin converting enzyme (ACE) inhibitor enalapril (2 mg/kg), angiotensin 1 receptor (AT(1)) antagonist losartan (5 mg/kg) and their combination. The experimental renal hypertension was induced by the method of Goldblatt.

Synthesis and pharmacological investigation of some novel 2-methyl-3-(substituted methylamino)-(3H)-quinazolin-4-ones as histamine H1-receptor blockers.

A series of 2-methyl-3-(substituted methylamino)-(3H)-quinazolin-4-ones were synthesized from 3-amino-2-methyl-(3H)-quinazolin-4-one. Their structures were confirmed by spectral data (IR, NMR and MS) and the purity was ascertained by microanalysis. When tested for H1-receptor blocking activity on isolated guinea pig ileum all the test compounds inhibited histamine induced contraction whereas compound 5 (IC50 0.

Determination of betulin in Grewia tiliaefolia by HPTLC.

A sensitive, rapid, simple, and accurate high performance thin layer chromatographic method has been developed to standardize the bark of Grewia tiliaefolia Vahl. (Family: Tiliaceae) using betulin as an analytical marker. Chloroform extracts of bark from five different sources were used for HPTLC on silica gel with toluene-ethyl acetate, 90 + 10 v/v, as mobile phase.

Evaluation of cognitive function of fluoxetine, sertraline and tianeptine in isolation and chronic unpredictable mild stress-induced depressive Wistar rats.

Depressive illness is generally associated with cognitive impairment. Serotonergic selective antidepressant drugs, fluoxetine (FLX), sertraline (SER) and tianeptine (TIA), are claimed to have less or no effect on cholinergic system, the key system involved in memory. In the present study, these drugs were evaluated for their influence on cognitive behavior in both depressive and non-depressive animals.

Synthesis, analgesic, anti-inflammatory and antibacterial activities of some novel 2-methylthio-3-substituted quinazolin-4-(3H)-ones.

A variety of novel 2-methylthio-3-substituted quinazolin-4-(3H)-ones have been synthesized by reacting (2-methylthio-4-oxo-3H-quinazolin-3-yl)dithiocarbamic acid methyl ester with a variety of amines, the starting material dithiocarbamate was synthesized from methylanthranilate. The title compounds were investigated for analgesic, anti-inflammatory and antibacterial activities. While the test compounds exhibited significant activity, the compounds A1, A2, A3 and A4 shown more potent analgesic activity, and the compound A4 shown more potent anti-inflammatory activity than the reference diclofenac sodium.

The cytotoxic activity of the total alkaloids isolated from different parts of Solanum pseudocapsicum.

The total alkaloid fractions of the methanolic extracts of the leaves, ripe fruits, roots, seeds and stem of Solanum pseudocapsicum were subjected to in-vitro cytotoxicity, short-term toxicity and long-term survival studies. All the five fractions exhibited potent activity. The total alkaloid fraction of leaves was found to be the most potent.

Synthesis, analgesic, anti-inflammatory and antibacterial activities of some novel 2-methyl-3-substituted quinazolin-4-(3H)-ones.

A series of novel 2-methyl-3-substituted quinazolin-4-(3H)-ones have been synthesized by treating (2-methyl-4-oxo-3H-quinazolin-3-yl)dithiocarbamic acid methyl ester with different amines, the starting material dithiocarbamate was synthesized from anthranilic acid. The compounds synthesized were investigated for analgesic, anti-inflammatory and antibacterial activities. All the test compounds exhibited significant activity, the compounds VA2, VA3 and VA4 shown more potent analgesic activity, and the compounds VA3 and VA4 shown more potent anti-inflammatory activity than the reference compound diclofinac sodium.

Antioxidant activity of Caesalpinia sappan heartwood.

Antioxidant activity of Caesalpinia sappan heartwood was studied both by in vitro and in vivo models. The ethyl acetate, methanol and water extracts exhibited strong antioxidant activity as evidenced by the low IC50 values in both 1,1-diphenyl-2-picryl hydrazyl (DPPH) and nitric oxide methods. The values were found to be less or comparable to those of ascorbic acid and rutin, the standards used.

Antitumor activity of total alkaloid fraction of solanum pseudocapsicum leaves.

The total alkaloid fraction of the methanolic extract of Solanum pseudocapsicum leaves was tested for its in-vivo antitumor activity against Dalton's Lymphoma Ascites model in mice. The total alkaloid fraction at 2.5 and 5.

Pharmacognostical Evaluation of Caesalpinia sappan Heartwood.

Caesalpinia span heartwood is used in folklore in India. The present work attempts to summarize the pharmacognostical characters of the heartwood of this plant. Ash and extractive values, phytochemical tests, HPTLC and fluorescence analysis were carried out.

In vitro cytotoxicity and antitumour properties of Hypericum mysorense and Hypericum patulum.

The methanol extracts of the aerial parts of Hypericum mysorense and Hypericum patulum were tested for in vitro cytotoxicity on HEp-2, RD and Vero cell lines and antitumour activity using DLA and HEp-2 cell lines. The cell viability and morphological changes were assessed. Of these extracts, Hypericum patulum (stem) extract showed strong cytotoxicity against all the cell lines used.

Differential anxiolytic effect of enalapril and losartan in normotensive and renal hypertensive rats.

The effect of angiotensin-converting enzyme (ACE) inhibitor enalapril (EPL) (2 and 4 mg/kg), angiotensin (AT) II receptor antagonist losartan (LRN) (5 and 10 mg/kg), and anxiolytic drug diazepam (DZP) (0.5 mg/kg) on anxiety parameters were evaluated in experimentally induced renal hypertensive rats (RHR). Renal hypertension was induced in Wistar strain male albino rats weighing 200-250 g by following the method of Goldblatt.

Transdermal drug delivery system of haloperidol to overcome self-induced extrapyramidal syndrome.

Haloperidol (HAL), an antipsychotic, is associated with side effects of drug-induced extrapyramidal syndrome (EPS) in conventional monotherapy. Controlled released transdermal dosage form (TDDS) of the drug was designed for maintenance therapy. Matrix-diffusion type transdermal film of HAL was designed with Eudragit NE 30D copolymer without permeation enhancer in different combinations.

Pharmacognostical studies on leaves of ataiantia monophyia correa.

Leaves of Atalantia monophylla are used in chronic rheumatism and paralysis. The Pharmacognostical studies like histological characters, leaf constants, ash values and extractive values of leaves of Atalantia monophylla Corr were carried out. The preliminary phytochemical analysis were also carried out.

Antioxidant activity of the ethanolic extract of Striga orobanchioides.

Plants containing flavonoids have been reported to possess strong antioxidant properties. The ethanolic extract of Striga orobanchioides was screened for in vitro and in vivo antioxidant properties using standard procedures. The ethanol extract exhibited IC(50) values of 18.

Purgative and anti-inflammatory activities of cassia didymobotrya, fresen.

Aqueous and ethanol extracts of cassia didymobotraya were investigated for purgative and anit-inflammatory activities in albino mice and rats, respectively at a dose of 100 mg/kg body weight. Anti-inflammatory activity was screened by 1% carageenan induced paw edema method and purgative activity was screened by the method described by Akah etal, Both the extracts exhibited significant purgative and anti-inflammatory activities, which are comparable to standard drugs, Senna (20mg/kg) and indomethacin (20mg/kg). Ethanol extract showed higher purgative and anti-inflammatory than aqueous extract.

Synthesis and evaluation of a nonsteroidal anti-inflammatory polymeric prodrug for sustained and site-specific delivery.

A new polymerizable drug derivative of diclofenac sodium was synthesized and characterized in terms of melting point, elemental analysis, and infrared spectroscopy. It was then polymerized to obtain a new polymeric prodrug. The prodrug was evaluated for its viscosity, drug content, and in vitro drug release behavior at pH 1.

Antimicrobial activity of selected herbal extracts.

METHANOLIC EXTRACT OF OLEORESINS OF ARAUCARIA BIDWILLI HOOK: and aerial parts of Cytisus scoparius Linn. Were screened for antimicrobial activity against two bacterial strains-Bacillus subtilis (Gram Positive) and Escherichia coli (Gem negative), and two fungal strains - Candida albicans and crytococcus neoformans by two-fold serial dilution technique. The results showed that all the microorganisms used were sensitive to the extracts.

Antinociceptive activity of Malvastrum coromandelinum.

The aerial parts of Malvastrum coromandelinum showed antinociceptive activity in the 0.6% acetic acid-induced writhing test in mice, the effects of acetone extract (200 mg/kg, p.o.

ION-pair liquid chromatography technique for the estimation of metformin in its multicomponent dosage forms.

A simple, precise and accurate high performance liquid chromatography (HPLC) method was developed for the simultaneous estimation of metformin with gliclazide and glipizide present in multicomponent dosage forms. The method was carried out on Inertsil C(18) column. A mobile phase composed of acetonitrile-water containing camphor sulphonic acid (adjusted to pH 7 using 0.

Simultaneous estimation of phenylpropanolamine HCl, guaiphenesin and diphenylpyraline HCl in syrups by LC.

A simple, precise and accurate HPLC method was developed for the simultaneous estimation of phenyl-propanolamine HCl, guaiphenesin and diphenylpyraline HCl in syrup. The method was carried out on a Shimpak C8 column with a mobile phase consisting of acetonitrile-triethylamine (pH adjusted to 3.5 using orthophosphoric acid; 0.

Antinociceptive and anti-inflammatory activity of Sida rhomboidea leaves.

Various organic extracts of Sida rhomboidea leaves were studied for antinociceptive and anti-inflammatory activity at a dose of 200 mg/kg. Ethyl acetate extract has shown significant (P < 0.01) antinociceptive activity.

Preliminar pytochemical study on leaves and stems of brachylepis nervosa wight & arnot.

Brachylepis nervosa, Wight and Arnot, belongs to the family asclepiadaceae is indigenous to ills of the Nilgiris and distribution of which is restricted to Wellington and kothagiri. The present work summarises preliminary phytochemical characters of this plant.