Why Does GSG Taste Better Than Traditional Steviol Glycosides?
Exploring the Science Behind Improved Sweetness Perception
Article Summary
Not all stevia sweeteners deliver the same taste experience. Glucosylated Steviol Glycosides (GSG) are developed through enzymatic glucosylation to modify the sensory characteristics of conventional steviol glycosides. This article explores why GSG may offer a smoother sweetness profile in many applications and what factors influence sweetness perception.
Introduction
One of the biggest challenges in sugar reduction is not sweetness intensity-it is consumer acceptance of taste.
While conventional steviol glycosides provide high-intensity sweetness with little or no calories, some formulations may exhibit bitterness or a lingering aftertaste depending on the steviol glycoside profile, dosage, and food matrix.
For this reason, researchers have continued developing technologies to improve the sensory characteristics of stevia-derived sweeteners.
Sweetness Is More Than Just Sweet
Consumers often describe sweetness using several sensory attributes, including:
Sweetness onset
Sweetness intensity
Bitterness
Lingering aftertaste
Overall flavor balance
These characteristics together determine how pleasant a sweetener tastes in real food and beverage applications.
The perception of sweetness is also influenced by the complete formulation, including acids, flavors, proteins, and other ingredients.
Sensory Comparison
|
Sensory Attribute |
Traditional Steviol Glycosides |
GSG |
|
Sweetness Onset |
Moderate |
Smoother in many applications |
|
Bitterness |
May be noticeable |
May be reduced |
|
Lingering Aftertaste |
May be longer |
Often shorter |
|
Flavor Harmony |
Depends on formulation |
Improved formulation flexibility |
Performance depends on formulation, dosage, and product category.
Why Can GSG Improve Sensory Performance?
During enzymatic glucosylation, glucose units are attached to naturally occurring steviol glycosides. Scientific evaluations describe this modification as a way to alter the sensory profile of steviol glycosides while maintaining their stevia-derived origin.
Rather than simply increasing sweetness intensity, the goal is to improve the overall sweetness experience.
TangBaoBao Insight
In our application work, we have found that selecting the appropriate steviol glycoside profile is often just as important as selecting the sweetener itself.
Different food categories require different sweetness characteristics, and the most suitable GSG specification should always be evaluated through formulation trials and sensory testing.
Typical Applications
Because of its improved sensory characteristics, GSG is increasingly considered for:
Soft drinks
Functional beverages
Dairy products
Nutritional supplements
Tabletop sweeteners
Sugar-free confectionery
The final formulation should always be optimized according to the target product and consumer expectations.
Conclusion
Developing better-tasting natural sweeteners is one of the key goals of modern sugar reduction.
By modifying the sensory profile of conventional steviol glycosides through enzymatic glucosylation, GSG provides formulators with another option for creating products that better balance sweetness, taste, and consumer acceptance.
In Episode 4, we will compare GSG vs. Traditional Steviol Glycosides: What's the Difference?
References
[1] European Food Safety Authority. Safety evaluation of glucosylated steviol glycosides as a food additive in different food categories. EFSA Journal. 2022;20(2):7066. DOI: 10.2903/j.efsa.2022.7066
[2] European Food Safety Authority. Scientific Opinion on the safety in use of glucosylated steviol glycosides as a food additive in different food categories. EFSA Journal. 2018;16(2):5181.
[3] Fennema's Food Chemistry. Chapter on taste perception, sweet taste, and food flavor interactions.
[4] International Organization for Standardization. Sensory analysis - Methodology - General guidance for establishing a sensory profile.
