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Non-chewable antacid formulations: Effect of different disintegrating agents on their acid Neutralization properties

Author(s): AP Gadad1, PM Dandagi2, VS Mastiholimath2, MB Patil2, VP Rasal11, FS Dasankoppa1
1 K.L.E S`s College of Pharmacy, Hubli-590 031, India 2 K.L.E S`s College of Pharmacy, Belgaum-590 010, India

Correspondence Address:
A P Gadad K.L.E S`s College of Pharmacy, Hubli-590 031 India E-mail: [email protected]

Aim of the present work is to develop non-chewable antacid tablets using different disintegrating agents viz., microcrystalline cellulose, sodium starch glycolate (Primogel®), and cross-linked sodium carboxymethylcellulose (cros-car-mellose sodium®). These agents were used alone, and in combinations, both 50% intra-granularly, and 50% extra-granularly. To cover all these variables in the formulations, seven different formulations were designed. Use of different disintegrating agents have shown varying effect on disintegration time and pattern. The disintegration time for formulation I and III did not comply with the official disintegration test in distilled water, as well as in simulated gastric fluid. All formulations, except formulation I and III, showed nearly equivalent to 30 min of Rosset-Rice time for neutralization. The graphical representation shows that when the base is available in full strength, it neutralizes the acid at a faster rate, and then the amount of base goes on reducing progressively, resulting in decrease in the rate of neutralization. Based on't' values, formulation II and VI show that the theoretical acid-consuming capacity, and the observed acid- consuming capacity values are almost equal.

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