NURSING EXAM QUESTIONS
BIOCHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Caramelization of sucrose yields
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Glucose
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Fructose
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Glucose and Fructose
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Charcoal
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Explanation:
Detailed explanation-1: -Unlike the Maillard reaction, caramelization is pyrolytic, as opposed to being a reaction with amino acids. When caramelization involves the disaccharide sucrose, it is broken down into the monosaccharides fructose and glucose.
Detailed explanation-2: -Initiating caramelization: heat The temperature at which caramelization starts varies by sugar type: Fructose kicks off first at 110°C (230°F). Galactose, glucose and sucrose all start to caramelize around 160°C (320°F). Maltose caramelizes, starting at 180°C (356°F).
Detailed explanation-3: -The breakdown of sucrose into glucose and fructose is an example of caramelization. Supersaturated sugar solutions are very stable and likely to form small crystals.
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