Abstract
This study evaluated the technological feasibility of producing a semipurii ed extract of guaraná (Paullinia cupana Kunth, Sapindaceae) in tablet form, using a direct- compression process. Maltodextrin and gum arabic were used to produce the extract microparticles, in order to protect the microparticles against such factors as temperature, oxidation, and humidity. Using pharmacopoeial methodologies, technological and physicochemistry tests (determination of residual moisture, of bulk and tapped density, Hausner ratio, compressibility and compactibility index, appearance, mean weight, hardness, friability, disintegration time, determination of EPA amount in tablets and in vitro release proi le) were conducted. The formulation containing 200 mg of microparticles, 170 mg microcrystalline cellulose, and 10 mg lactose gave the best results in terms of hardness (116 N), friabilility (0.28%), mean weight (0.3821 g), and disintegration time (25 min) for a tablet designed for oral administration. The results met pharmacopoeial specii cations, and the tablets are suitable for oral administration.
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