Abstract
The objective of this work was to extract and to investigate the physicochemical properties of Cajanus cajan starch (CCS) for use as pharmaceutical excipient and to compare its properties with official maize starch. Cajanus cajan seeds yielded 32.6 % starch on dry weight basis and several physicochemical characteristics of the extracted CCS and maize starch were evaluated such as: pH, moisture content, cold water solubility, swelling capacity, hydration capacity, moisture uptake, Amylose/Amylopectin ratio, flow properties and bulk and tapped densities. Also, the microphotograph and Fourier transform infrared (FTIR) had been taken for both starch samples. The physicochemical properties of CCS compared favorably with those of maize starch, suggesting that CCS can be used as tablet excipient in pharmaceutical industries.
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