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Dissolution profiles of tablets made of ternary mixtures of zein, diluent (lactose, DCP or MCC) and 10% propranolol HCl. (A) Percentage of drug release (mean ± SD, n = 3) as a function of time. (B) Drug burst (mean ± SD, n = 3) measured as the dissolution rate in the first 10 min of the test.
