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Bioprocess Engineering
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During downstream process of penicillin fermentation, phosphoric acid or sulphuric acid is added to the medium to _________.
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A
lower the pH and convert penicillin to anionic form
💡 Explanation:
Lower the pH and convert penicillin to anionic form: the acids lower the pH to 2 or 2.5. This helps to convert penicillin to anionic form and the broth is immediately extracted in a Podbielniak counter current solvent extractor.