Background:Grewia asiatica Linn. (Family: Tiliaceae), called Phalsa in Hindi is an Indian medicinal plant used for a variety of therapeutic and nutritional uses. The root bark of the plant is traditionally used in rheumatism (painful chronic inflammatory condition).Aims:The present study demonstrates the analgesic and anti-inflammatory activity of root bark of G. asiatica in rodents.Settings and Design:The methanolic extract of Grewia asiatica (MEGA) and aqueous extract of Grewia asiatica (AEGA) of the bark were prepared and subjected to phytochemical tests and pharmacological screening for analgesic and anti-inflammatory effect in rodents.Materials and Methods:Analgesic effect was studied using acetic acid-induced writhing in mice and hot plate analgesia in rats while anti-inflammatory activity was investigated using carrageenan-induced paw oedema in rats. The MEGA or AEGA was administered orally in doses of 200 and 400 mg/kg/day of body weight.Statistical Analysis:Data were analysed by one-way analysis of variance followed by Dunnett's test.Results:The extracts showed a significant inhibition of writhing response and increase in hot plate reaction time and also caused a decrease in paw oedema. The effects were comparable with the standard drugs used.Conclusions:The present study indicates that root bark of G. asiatica exhibits peripheral and central analgesic effect and anti-inflammatory activity, which may be attributed to the various phytochemicals present in root bark of G. asiatica.
In the title compound, C14H13NO4S, the mean planes of the pyrrole and phenyl rings form a dihedral angle of 88.7 (1)°. The aldehyde groups are slightly twisted from the pyrrole plane. In the crystal structure, molecules are linked into a three-dimensional framework by C—H⋯O hydrogen bonds.
In the title compound, C16H13NO, the isoxazole ring makes dihedral angles of 16.64 (7)° with 3-methylphenzyl ring and 17.60 (7)° with the unsubstituted phenyl ring.
In the title compound, C16H13NO2, the isoxazole ring makes dihedral angles of 17.1 (1)° with the 3-methoxyphenyl ring and 15.2 (1)° with the phenyl group. Centrosymmetric dimers that are realised by pairs of C—H⋯π interactions are observed in the crystal structure.
ABSTRACT:The extracts of the roots of Thespesia lampas (Malvaceae) were evaluated for hepatoprotective activity in rats by inducing chronic liver damage by subcutaneous injection of 50% v/v carbon tetrachloride in Tween 80 at a dose of 3ml/kg for a period of 4 weeks. The biochemical parameters like serum glutamate pyruvate transaminase (SGPT), serum glutamate oxaloacetate transaminase (SGOT), alkaline phosphatase (ALP), serum bilirubin and total proteins were estimated to assess the liver function. Hepatic steatosis, centrilobular necrosis, and often swelling of the hepatic cytoplasm were observed in carbontetra chloride treated group, while these were completely absent in the extracts of T. lampas (300 mg/kg b.wt) treated groups (p<0.01). The present investigation established pharmacological evidence to support the folkloric claim of hepatoprotective activity of T. lampas.
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