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The concentration of colorant does not affect the drug solubility.

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The concentration of colorant does not affect the drug solubility.

(a) True

(b) False

I had been asked this question during an internship interview.

My question is taken from Dosage Form Factors Affecting Drug Absorption topic in section Absorption of Drugs of Drug Biotechnology

1 Answer

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Right choice is (b) False

For explanation: Low concentration water soluble dye have inhibitory effect on the dissolution Rte OF SEVERAL crystalline drugs. The dye molecules get adsorbed on the crystal faces and inhibit drug dissolution.

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