Čes. slov. farm. 2008, 57(1):21-27
A study of the properties of tablets made of directly compressible maltose
- Charles University in Prague, Faculty of Pharmacy in Hradec Králové, Czech Republic, Department of Pharmaceutical Technology
The paper deals with the study of the strength and disintegration time of tablets made of directly compressible maltose Advantose 100. It studies the differences of the effects of two types of lubricants, magnesium stearate and sodium stearylfumarate, on the above-mentioned properties, and it also tests the mixtures of the substance with microcrystalline cellulose Vivapur 102 in a ratio of 1:1 and with ascorbic and acetylsalicylic acids. The compacts are obtained by using three compression forces, excepting mixtures with active ingredients, where one compression force is used. In the compression forces of 6 and 8 kN, no statistically significant difference was found in the intervention of the lubricants into the strength of the compacts made of Advantose 100, only in the compression force of 10 kN Pruv decreased the strength more than stearate. The mixture of Advantose 100 and Vivapur 102 yielded the strongest tablets, an addition of Pruv to it decreased the strength of compacts more than stearate. The periods of disintegration time of Advantose compacts as well as those of the mixture of dry binders were longer with an addition of Pruv. The compacts with acetylsalicylic acid possessed higher strength and a longer period of disintegration than those with ascorbic acid. There was no statistically significant difference within the type of the lubricant employed, both in the case of Advantose 100 and its mixture with Vivapur 102, between the values of strength of the compacts with acetylsalicylic acid.
Keywords: Advantose 100; Vivapur 102; lubricants; tensile strength of tablets; time of disintegration
Grants and funding:
The study was supported by the grant MSM 0021620822 and by the firms SPI Pharma group and J. Rettenmaier & Söhne GmbH + Co, which supplied the samples of the dry binders tested.
Received: December 6, 2007; Accepted: December 20, 2007; Published: January 1, 2008 Show citation
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