Textbook Question
Give the name of one or more polysaccharides that matches each of the following descriptions:
b. the storage form of carbohydrates in plants
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20. Carbohydrates
Polysaccharides
2:14 minutesProblem 41a
Textbook Question
Based on the sweetness index in Table 6.2, if you tasted a drop of each of the syrups below, which would taste the sweetest?
(a) light corn syrup (100% glucose)
Verified step by step guidance1
Review the sweetness index provided in Table 6.2, which ranks various substances based on their perceived sweetness relative to sucrose (assigned a sweetness index of 100).
Identify the sweetness index for glucose, as light corn syrup is composed of 100% glucose. This value will help determine how sweet it is compared to other syrups.
Compare the sweetness index of glucose to the sweetness indices of other syrups listed in Table 6.2. This comparison will indicate whether light corn syrup is the sweetest option.
Consider the chemical composition of light corn syrup (100% glucose) and how it contributes to its sweetness. Glucose is less sweet than sucrose, so its sweetness index will likely be lower than syrups containing sucrose or fructose.
Conclude which syrup tastes the sweetest based on the sweetness index values from Table 6.2, ensuring the comparison is grounded in the data provided.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Sweetness Index
The sweetness index is a comparative measure that ranks the sweetness of various substances relative to a standard, typically sucrose. It quantifies how sweet a substance tastes compared to glucose or other sweeteners, allowing for a better understanding of flavor profiles in food products.
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Glucose
Glucose is a simple sugar and a primary energy source for the body. It is often used as a reference point in sweetness comparisons, with a sweetness index of 100%. Understanding glucose's properties helps in evaluating the sweetness of other syrups and sweeteners.
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Syrup Composition
Syrup composition refers to the specific types and concentrations of sugars and other ingredients present in a syrup. Different syrups, such as light corn syrup, have varying sugar profiles that affect their overall sweetness, making it essential to analyze their components when determining which syrup tastes the sweetest.
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