STUDY OF ANTI-HISTAMINIC AND MAST CELL STABILIZING ACTIVITY OF HYDROETHANOLIC EXTRACT OF SHIRISHADI – A POLYHERBAL AYURVEDIC COMPOUND
Kajaria Divya*1, Tripathi. J.S. 1, Tiwari. S.K. 1, Pandey. B.L.2
1Dept. of Kayachikitsa, Faculty of Ayurveda, Institute of Medical Sciences, B.H.U.- 221005, Varanasi, India.
2Dept. of Pharmacology,Institute of Medical Sciences, B.H.U.-22005,Varanasi, India.
ABSTRACT
Shirishadi Compound is an Ayurvedic polyherbal preparation used in
Indian traditional medicine for the treatment of Asthma & allergic
disorders. The pharmacodynamic properties of ethanolic extract of
Shirishadi compound was evaluated on experimental model for its
antihistaminic property against H1 receptor and mast cell stabilizing
property. Significant increase in preconvulsion time was observed on
pretreatment with Shirishadi compound when the guinea pigs were
exposed to histamine. Demonstration of graded dose response of
histamine and its competitive antagonism on isolated perfused guinea
pig ileum shows that it has specific antagonism. The increasing dose of
Shirishadi showed the Tachyphylaxis and receptor protection response.
The present study revealed that the ethanolic extract of Shirishadi compound has significant
antihistaminic (H1 receptor antagonism) activity. Polyherbal formulation (500μg and
1000μg/ml) showed dose dependent significant reduction in mast cell degranulation
(P
Keywords: Shirishadi compound, Antihistaminic activity, Mast cell stabilizing effect.
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