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Sucrose vs. Sorbitol — What's the Difference?

By Maham Liaqat & Fiza Rafique — Updated on March 11, 2024
Sucrose, a common table sugar, offers sweetness from natural sources like fruits, while sorbitol, a sugar alcohol, provides a lower-calorie alternative often used in sugar-free products.
Sucrose vs. Sorbitol — What's the Difference?

Difference Between Sucrose and Sorbitol

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Key Differences

Sucrose, derived from plants such as sugar cane and sugar beet, is a disaccharide composed of glucose and fructose, widely used for its sweetening properties in various foods and beverages. On the other hand, sorbitol is a sugar alcohol found naturally in fruits and vegetables but also produced synthetically, used not only as a sweetener but also for its moisture-retaining properties in foods, pharmaceuticals, and cosmetics.
Sucrose is metabolized quickly by the body, providing an immediate source of energy, which can lead to spikes in sugar levels. Sorbitol, meanwhile, is metabolized more slowly, causing a lesser impact on sugar, making it a preferable option for people with diabetes or those monitoring their sugar intake.
When it comes to calorie content, sucrose provides about 4 calories per gram, similar to other carbohydrates. Sorbitol, however, offers about 2.6 calories per gram, making it a lower-calorie alternative to sucrose, suitable for weight management diets.
In terms of dental health, sucrose can contribute to tooth decay as it provides a readily fermentable energy source for bacteria in the mouth. Sorbitol does not promote tooth decay to the same extent because it is not easily fermented by mouth bacteria, which is why it's commonly found in sugar-free chewing gums and dental care products.
While sorbitol is generally safe for consumption, excessive intake can lead to digestive issues such as bloating, gas, and diarrhea because it is absorbed in the intestine more slowly than sucrose. This side effect is less likely with moderate consumption of sucrose.
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Comparison Chart

Source

Derived from sugar cane and sugar beet.
Found naturally in fruits and produced synthetically.

Composition

Disaccharide of glucose and fructose.
Sugar alcohol.

Caloric Value

4 calories per gram.
2.6 calories per gram.

Dental Health

Contributes to tooth decay.
Does not promote tooth decay as much.

Compare with Definitions

Sucrose

Disaccharide Sugar.
Sucrose is commonly used in baking to sweeten cakes and cookies.

Sorbitol

Moisture Retainer.
Sorbitol is added to cosmetics to prevent them from drying out.

Sucrose

Sweetening Agent.
Sucrose is added to coffee and tea to enhance their flavor.

Sorbitol

Sugar Alcohol.
Sorbitol is used in sugar-free candies to provide sweetness without the added calories.

Sucrose

Preservative.
Sucrose helps in preserving jams and jellies by inhibiting microbial growth.

Sorbitol

Diabetic-Friendly Sweetener.
Sorbitol is a popular choice for diabetic-friendly foods due to its lower impact on sugar.

Sucrose

Fermentation Ingredient.
Sucrose is used in the fermentation process to produce ethanol in alcoholic beverages.

Sorbitol

Dental Health Aid.
Sugar-free gum containing sorbitol helps in reducing the risk of tooth decay.

Sucrose

Energy Source.
Sports drinks often contain sucrose for quick energy replenishment.

Sorbitol

Laxative Effect.
In high doses, sorbitol can act as a laxative, offering relief from constipation.

Sucrose

Sucrose is made up of one molecule of glucose and one molecule of fructose joined together. It is a disaccharide, a molecule composed of two monosaccharides: glucose and fructose.

Sorbitol

Sorbitol (), less commonly known as glucitol (), is a sugar alcohol with a sweet taste which the human body metabolizes slowly. It can be obtained by reduction of glucose, which changes the converted aldehyde group (−CHO) to a primary alcohol group (−CH2OH).

Sucrose

A crystalline disaccharide of fructose and glucose, C12H22O11, extracted chiefly from sugarcane and sugar beets and commonly known as table sugar. Also called saccharose.

Sorbitol

A white, sweetish, crystalline alcohol, C6H8(OH)6, found in various berries and fruits or prepared synthetically and used as a flavoring agent, a sugar substitute for people with diabetes, and a moisturizer in cosmetics and other products.

Sucrose

(carbohydrate) A disaccharide with formula C12H22O11, consisting of two simple sugars, glucose and fructose; normal culinary sugar.

Sorbitol

(biochemistry) A faintly sweet alcohol C6H14O6 that occurs in some fruits, is made synthetically, and is used especially as a humectant and softener and in making ascorbic acid.

Sucrose

A common variety of sugar found in the juices of many plants, as the sugar cane, sorghum, sugar maple, beet root, etc. It is extracted as a sweet, white crystalline substance which is valuable as a food product, and, being antiputrescent, is largely used in the preservation of fruit. Called also saccharose, cane sugar, etc. At one time the term was used by extension, for any one of the class of isomeric substances (as lactose, maltose, etc.) of which sucrose proper is the type; however this usage is now archaic.

Sucrose

A complex carbohydrate found in many plants and used as a sweetening agent

Common Curiosities

Is sorbitol better for weight loss than sucrose?

Yes, sorbitol is lower in calories compared to sucrose and can be a better option for those managing weight.

Is sorbitol natural or synthetic?

Sorbitol can be both naturally found in fruits and vegetables and produced synthetically.

What is sucrose commonly known as?

Sucrose is commonly known as table sugar.

Can sucrose be found in all fruits?

Sucrose is present in many fruits, but its concentration varies widely among different types.

What are the main uses of sorbitol?

Sorbitol is mainly used as a sweetener, moisture-retaining agent, and in dental care products.

Does sucrose have any health benefits?

Sucrose provides a quick source of energy but should be consumed in moderation due to potential health risks like obesity and diabetes.

Can consuming sorbitol help in weight management?

Yes, due to its lower caloric value, sorbitol can aid in weight management when used as a substitute for sucrose.

Can sucrose be used by diabetics?

Sucrose can be consumed by diabetics, but in very controlled quantities to avoid spikes in sugar levels.

Can sorbitol cause digestive issues?

Yes, excessive intake of sorbitol can lead to digestive problems such as bloating and diarrhea.

Does sorbitol have any role in baking?

Sorbitol can be used in baking, especially in products aimed at diabetics or those seeking lower-calorie options.

Is sucrose vegan?

Yes, sucrose is vegan as it is derived from plants, though the refining process may involve animal products.

How does sorbitol affect dental health?

Sorbitol does not contribute to tooth decay as significantly as sucrose and is considered better for dental health.

Is sucrose good for athletes?

Sucrose can provide quick energy for athletes but should be balanced with other energy sources for sustained performance.

What is the main difference in the impact of sucrose and sorbitol on health?

The main difference lies in their impact on sugar levels, calorie content, and potential effects on dental health, with sorbitol being the more health-conscious option.

Why is sorbitol used in diabetic foods?

Sorbitol is used in diabetic foods because it has a lower impact on sugar levels.

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Author Spotlight

Written by
Maham Liaqat
Co-written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.

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