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 RESEARCH ARTICLE
Year : 2014  |  Volume : 46  |  Issue : 4  |  Page : 386-390

Anti-psoriatic activity of Givotia rottleriformis in rats


Department of Pharmacognosy, Sri Ramaswamy Memorial College of Pharmacy, Sri Ramaswamy Memorial University, Kattankulathur, Chengalpet, Tamil Nadu, India

Correspondence Address:
A Vijayalakshmi
Department of Pharmacognosy, Sri Ramaswamy Memorial College of Pharmacy, Sri Ramaswamy Memorial University, Kattankulathur, Chengalpet, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0253-7613.135949

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Objectives: To evaluate the antipsoriatic activity of Givotia rottleriformis bark in rats. Materials and Methods: The antipsoriatic activity of the ethanol extract was investigated using ultraviolet B (UV-B)-induced photodermatitis model in rats. The animals were divided into four groups (6/groups). The vehicle-control group animals received normal saline (10 ml/kg, p.o.) and standard group received retinoic acid (0.5 mg/kg, p.o.). Remaining groups were treated orally with the ethanolic extract of bark of Givotia rottleriformis (200 and 400 mg/kg, p.o.) and data were analyzed using one-way analysis of variance (ANOVA). The extract was standardized using chemical markers by high-performance liquid chromatography (HPLC) analysis. Results: In case of psoriasis model, histopathological analysis revealed that in the section, there were absence of Munro's microabscess, elongation of rete ridges, and capillary loop dilation in ethanol extract (400 mg/Kg) and standard group. The ethanolic extract (200 and 400 mg/Kg) exhibited significant reduction (P < 0.01) in percentage of relative epidermal thickness as compared with positive control. In the HPLC analysis, 4 flavonoids were quantified by comparison to a calibration curve derived from the standard, rutin (0.215 mg/gm) quercetin (1.36 mg/gm), kaempferol (6.36 mg/gm) and luteolin (8.64 mg/gm). Conclusion: The crude extract containing ethanolic extract of Givotia rottleriformis bark have potent antipsoriatic activity in UV-B-induced psoriasis in rat.






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