Aspartame, which is used in artificial sweeteners, contains...

Name: Problem 57, Chapter 16: Chemistry: An Introduction to General, Organic, and Biological Chemistry
Uploaded: 2020-06-04T03:01:55-08:00
Duration: 41 s
Channel: Sam Limsuwannarot
Description: Aspartame, which is used in artificial sweeteners, contains the following dipeptide: (16.1,16.3) (EQUATION CAN'T COPY) (IMAGE CANNOT COPY) Some artificial sweeteners contain aspartame, which is an ester of a dipeptide. a. What are the amino acids in aspartame? b. How would you name the dipeptide in aspartame?

Aspartame, which is used in artificial sweeteners, contains the following dipeptide: (16.1,16.3) (EQUATION CAN'T COPY) (IMAGE CANNOT COPY) Some artificial sweeteners contain aspartame, which is an ester of a dipeptide. a. What are the amino acids in aspartame? b. How would you name the dipeptide in aspartame?

Aspartame, which is used in artificial sweeteners, contains the following dipeptide: (16.1,16.3)
(EQUATION CAN'T COPY)
(IMAGE CANNOT COPY)
Some artificial sweeteners contain aspartame, which is an ester of a dipeptide.
a. What are the amino acids in aspartame?
b. How would you name the dipeptide in aspartame?

Key Concepts

Esterification

Esterification involves the reaction between a carboxylic acid and an alcohol to form an ester. In some modified peptides like aspartame, an ester group is present due to esterification of one of the terminal carboxyl groups, which can significantly alter the molecule’s chemical properties, such as increasing its sweetness.

Peptide Bond Formation

Peptide bonds are formed through a dehydration synthesis reaction, where the carboxyl group of one amino acid reacts with the amino group of another, leading to the loss of a water molecule. This bond is essential for linking amino acids together into larger chains that can form complex peptide structures.

Peptide Nomenclature

The nomenclature of peptides is determined by the sequence of its constituent amino acids, starting from the N-terminal end (the amino group) to the C-terminal end (the carboxyl group). For dipeptides, the name is typically constructed by linking the names of the two amino acid residues, with any modifications, such as esterification, indicated in the full designation.

Amino Acids

Amino acids are organic molecules that serve as the building blocks for proteins and peptides. They consist of a basic amino group, an acidic carboxyl group, a hydrogen atom, and a unique side chain attached to a central carbon atom. Their specific chemical properties and stereochemistry determine the structure and function of the peptides and proteins they form.

Dipeptide

A dipeptide is the simplest type of peptide formed when two amino acids are joined by a peptide bond, which links the carboxyl group of one amino acid to the amino group of another. This bond formation is a condensation reaction that releases a molecule of water, resulting in a molecule with a free amino (N-terminal) and free carboxyl (C-terminal) group.

Please give Ace some feedback