Which of the following steps is typically NOT involved in the preparation of glycerine for injection?
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A.
Decolorisation using activated carbon
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B.
Coarse filtration
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C.
Ultra-filtration
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D.
Fermentation
Correct Answer:
D. Fermentation
Explanation:
Fermentation is not typically part of the preparation process for glycerine for injection. While purification steps like decolorization with activated carbon, coarse filtration, and ultra-filtration are essential to ensure the glycerine meets pharmaceutical standards for purity and safety, fermentation is a biological process used for producing substances rather than refining them for sterile injectable use. In this context, the focus is on removing impurities and microorganisms through physical and chemical purification methods.
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