(a) Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled. Concept introduction: The characteristic bond of glycoside is − O − . A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl . The acetal formed is known as glycoside.

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Answer 1

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Chapter 28, Problem 28.19P

Interpretation Introduction

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Interpretation Introduction

(b)

Interpretation: The aglycon and monosaccharides formed by the hydrolysis of rebaudioside A are to be predicted.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

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A triglyceride can be optically active if it contains two or more different fatty acids.(a) Draw the structure of an optically active triglyceride containing one equivalent of myristic acid and two equivalentsof oleic acid

Draw the structure of: (a) a polysaccharide formed by joining D-mannose units in 1→4-β- glycosidic linkages; (b) a polysaccharide formed by joining D-glucose units in 1→6-α- glycosidic linkages. The polysaccharide in (b) is dextran, a component of dental plaque.

a) Label all the O atoms that are part of a glycoside in rebaudioside A. Rebaudioside A, marketed under the trade name Truvia, is a sweet glycoside obtained from the stevia plant, which has been used for centuries in Paraguay to sweeten foods. (b) The alcohol or phenol formed from the hydrolysis of a glycoside is called an aglycon. What aglycon and monosaccharides are formed by the hydrolysis of rebaudioside A?

Answer 2

Question

Chapter 28, Problem 28.19P

Interpretation Introduction

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Interpretation Introduction

(b)

Interpretation: The aglycon and monosaccharides formed by the hydrolysis of rebaudioside A are to be predicted.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

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Answer 3

Question

Chapter 28, Problem 28.19P

Interpretation Introduction

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Interpretation Introduction

(b)

Interpretation: The aglycon and monosaccharides formed by the hydrolysis of rebaudioside A are to be predicted.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

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Answer 4

Question

Chapter 28, Problem 28.19P

Interpretation Introduction

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Interpretation Introduction

(b)

Interpretation: The aglycon and monosaccharides formed by the hydrolysis of rebaudioside A are to be predicted.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

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Answer 5

Chapter 28, Problem 28.19P

Interpretation Introduction

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Interpretation Introduction

(b)

Interpretation: The aglycon and monosaccharides formed by the hydrolysis of rebaudioside A are to be predicted.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Answer 6

Chapter 28, Problem 28.19P

Interpretation Introduction

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Answer 7

Chapter 28, Problem 28.19P

Interpretation Introduction

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Answer 8

Interpretation Introduction

(b)

Interpretation: The aglycon and monosaccharides formed by the hydrolysis of rebaudioside A are to be predicted.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Answer 9

Interpretation Introduction

(b)

Interpretation: The aglycon and monosaccharides formed by the hydrolysis of rebaudioside A are to be predicted.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 28 - Prob. 28.1P Ch. 28 - Prob. 28.2P Ch. 28 - Label each stereogenic center as R or S. a. b. c....Ch. 28 - Convert the ball-and-stick model to a Fischer...Ch. 28 - Prob. 28.5P Ch. 28 - Prob. 28.6P Ch. 28 - Prob. 28.7P Ch. 28 - Prob. 28.8P Ch. 28 - Prob. 28.9P Ch. 28 - Prob. 28.10P

Solution Summary: The author explains that the O atoms that are part of a glycoside in rebaudioside A are labeled in red color.

Concept explainers

(a)

Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled.

Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

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Chapter 28 Solutions

Solution Summary: The author explains that the O atoms that are part of a glycoside in rebaudioside A are labeled in red color.

Concept explainers

(a) Interpretation: The O atoms that are part of a glycoside in rebaudioside A are to be labeled. Concept introduction: The characteristic bond of glycoside is −O−. A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCl. The acetal formed is known as glycoside.

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Chapter 28 Solutions