The phenolphthalein indicator used in this fatty acid test is pink in basic solution and colorless in neutral or acidic solutions. The sodium carbonate added to the milk makes the solution initially basic, causing the phenolphthalein to be initially pink. Explain why adding lipase to the cream cause the pink color to fade over time.
The phenolphthalein indicator used in this fatty acid test is pink in basic solution and colorless in neutral or acidic solutions. The sodium carbonate added to the milk makes the solution initially basic, causing the phenolphthalein to be initially pink. Explain why adding lipase to the cream cause the pink color to fade over time.
Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter20: Enzymes
Section: Chapter Questions
Problem 20.59E
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The phenolphthalein indicator used in this fatty acid test is pink in basic solution and colorless
in neutral or acidic solutions. The sodium carbonate added to the milk makes the solution
initially basic, causing the phenolphthalein to be initially pink. Explain why adding lipase to
the cream cause the pink color to fade over time.
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