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  4. Aspartame, an artificial sweetener, is a peptide and has the following structure <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/chemistry/8b78723c8f67218494d00a26f94987c2-.png /> (i) Identify the four functional groups. (ii) Write the Zwitter ionic structure. (iii) Write the structures of the amino acids obtained from the hydrolysis of aspartame. (iv) Which of the two amino acids is more hydrophobic?

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Q. Aspartame, an artificial sweetener, is a peptide and has the following structure
image
(i) Identify the four functional groups.
(ii) Write the Zwitter ionic structure.
(iii) Write the structures of the amino acids obtained from the hydrolysis of aspartame.
(iv) Which of the two amino acids is more hydrophobic?

IIT JEEIIT JEE 2001Chemistry in Everyday Life

Solution:

image
(i) Aspartame has amine, acid, amide and ester groups.
image
(iv) II is more hydrophobic due to the presence of phenyl group.