Artificial Sweetening Agents Class 12 Notes | EduRev

Chemistry Class 12

Created by: Mohit Rajpoot

Class 12 : Artificial Sweetening Agents Class 12 Notes | EduRev

The document Artificial Sweetening Agents Class 12 Notes | EduRev is a part of the Class 12 Course Chemistry Class 12.
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Chemicals in Food

1. Artificial Sweetening Agents

Sucrose (table sugar) and fructose are the most widely used natural sweeteners. But they add to our calorie intake and promote tooth decay. To avoid these problems many people take artificial sweeteners.

Organic substances which have been synthesized in lab are known to be many times sweeter than cane sugar. Such compounds are known as artificial sweetening agents or artificial sweeteners.

Some important artificial sweeteners are given below :

(i) Saccharin (o-sulphobenzimide)

Discovered by Johns- Hopkins in 1879 (University of USA).

Artificial Sweetening Agents Class 12 Notes | EduRev

It is the most popular artificial sweetener. It is 550 times as sweet as cane Sugar, since it is insoluble in water, so it is sold in the market as its soluble or calcium salt.

It is non-biodegradable so excreted from the body in urine (unchanged). Its use is of great value for diabetic persons and people who need to control intake of calories.

(ii) Aspartame

It is the methyl ester of the dipeptide derived from phenylalanine aspartic acid. It is also known as ‘Nutra sweet’.

It decomposes at baking or cooking temperatures and hence, can be used only in cold food and soft drinks.

Aspartame has the same amount of calories as sugar (4 cal per gram).

Aspartame should not be used by people suffering from the genetic disease known as PKU (phenyl ketone urea). Because in such people decomposition of aspartame gives phenylpyruvic acid. Accumulation of phenylpyruvic acid is harmful especially to infants due to brain damage and mental retardation.

(iii) Alitame

It is quite similar to aspartame but more stable than aspartame. It is 2000 times as sweet as sucrose. The main problem for such sweetener is the control of sweetness of the substance to which it is added because it is high potency sweetener.

(iv) Sucralose

It is a trichloro derivative of sucrose. It’s appearance and taste are like sugar. It is stable at cooking temperature. It is almost 600 times as sweet as sucrose. However, it neither provides calories nor causes tooth decay.

(v) Cyclamate

It is N-cyclohexylsulphamate. It is only 20 times sweeter than cane sugar.

Artificial Sweetening Agents Class 12 Notes | EduRev

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