PREPARATION AND EVALUATION OF MODIFIED TAMARIND SEED GUM AS A NOVEL SUPERDISINTEGRANT
The aim of present study was to preparation and evaluation of modified Tamarind seed as natural superdisintegrant. The extracted gum from the Tamarind seed was modified chemically by carboxymethylation of extracted gum was done to improve the hydrophilic nature of the gum. Futher, carboxymethylated gum was complexed by using calcium chloride to enhances the wetting capacity of the gum. The modification in functional group of extracted gum, carboxymethyled gum, Calcium complexed gum was studied by FT-IR spectrophotometer. The DSC studies shows that the changes in melting point of the carboxymethyled gum and the calcium complexed gum as compared to the extracted gum without undergoing chemical modification. The modified gum was then subjected to different studies like color, pH of gum solution, swelling indexetc. The dummy tablet prepared with calcium complexed modified Tamarind seed gum to check its disintegration effect of the tablet. The various pre-compression parameters of the tablet blend was determined like bulk density, tapped density, Carr's index, angle of repose and Hausner's ratio. The disintegration time of these dummy tablet carry the calcium complexed tamarind seed gum was compared to formulate tablet with marketed superdisintegrant i.e. sodium starch glycolate . The disintegration time of calcium complexed Tamarind seed gum was observed to be 1 min. approx. 32.5 sec. -35.2 sec. showing good disintegrating property. It can be concluded that Fast disintegrating tablet using modified Tamarind seed gum as natural superdisintegrant improves the disintegration time of the tablet.
Keywords: FDT tablet, Tamarind seed gum, Sodium starch glycolate, Swelling time.
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