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Exploring Allulose: The Sweet Story Behind its Creation

Author: Site Editor     Publish Time: 2023-08-31      Origin: Site

In the world of sweeteners, innovation is constantly brewing. One such innovation that has gained attention in recent years is allulose. Marketed as a low-calorie sweetener with minimal impact on blood sugar levels, allulose has become a popular choice for health-conscious individuals and those managing conditions like diabetes. But have you ever wondered where allulose comes from and how it's made? Let's dive into the sweet story behind this fascinating sugar substitute.

A Natural Discovery

Allulose, also known as D-psicose, is a rare sugar that was first discovered in wheat over 70 years ago. However, its limited presence in nature meant that extracting it in substantial quantities was challenging. Allulose is found in small amounts in certain fruits, such as jackfruit, figs, and raisins, as well as foods like maple syrup and brown sugar. But the breakthrough in producing allulose on a larger scale came from a more unexpected source - corn.

Allulose from Corn

Today, most commercially available allulose is derived from corn. The process of creating allulose from corn involves several intricate steps that transform the starches in corn into this low-calorie sweetener. Here's an overview of how it's done:

1. Corn Starch Hydrolysis: 

The journey begins with corn starch. Through a process called enzymatic hydrolysis, corn starch is broken down into smaller components, including glucose and fructose.

2. Isomerization: 

The mixture of glucose and fructose is then treated with specific enzymes that convert some of the glucose molecules into allulose. This process is known as isomerization and involves changing the arrangement of atoms within the glucose molecules.

3. Separation and Purification:

After isomerization, the mixture is carefully separated to extract the allulose. Various purification techniques, such as chromatography, are employed to obtain a more concentrated and pure form of allulose.

4. Crystallization: 

The purified allulose solution is then concentrated and cooled, encouraging the allulose to crystallize. The crystals are then separated from the remaining solution.

5. Drying: 

The allulose crystals are dried to remove any remaining moisture, resulting in a powdered or granulated form that's ready for packaging and distribution.

The final product closely resembles traditional table sugar in terms of taste and texture, but with approximately 70% of the sweetness and just a fraction of the calories.

A Sweet Solution for Health-Conscious Consumers

One of the primary reasons allulose has gained popularity is its unique nutritional profile. While it possesses a similar sweetness to sucrose (table sugar), allulose is not fully metabolized by the body. This means that it provides fewer calories and has minimal impact on blood sugar levels, making it a potential alternative for those who need to monitor their sugar intake, such as individuals with diabetes.

Additionally, allulose doesn't cause tooth decay and has been found to have prebiotic properties, potentially promoting the growth of beneficial gut bacteria. This makes it a sweetener with potential health benefits beyond its caloric content.


Allulose is a remarkable example of how scientific innovation and technological advancements have enabled us to harness the potential of rare sugars for the benefit of our health. Derived from corn, this low-calorie sweetener has become a game-changer for individuals seeking alternatives to traditional sugar. As consumer demand for healthier options continues to rise, the story of allulose serves as a reminder that nature's secrets, when unlocked through human ingenuity, can lead to a sweeter and healthier future.

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