Stevia Knowledge Center | Episode 6

Glucosylated Steviol Glycosides (GSG): How Enzymatic Modification Creates a Better Taste Experience

--Understanding the Science Behind Next-Generation Stevia Sweeteners

30-Second Read

Traditional steviol glycosides provide strong sweetness intensity, but their sensory characteristics may present challenges in some applications.

Glucosylated Steviol Glycosides (GSG) represent an innovative approach that uses enzymatic modification technology to improve the sensory profile of stevia sweeteners.

By introducing additional glucose units into steviol glycoside molecules, GSG can provide a smoother sweetness experience with improved taste balance.

This article explains the science behind GSG, how enzymatic modification works, and why it is becoming an important solution for modern sugar reduction.

Introduction

The development of stevia sweeteners has always focused on one important goal:

How can we achieve sugar-like sweetness while maintaining a clean and pleasant taste experience?

While traditional steviol glycosides such as Reb A have played an important role in global sugar reduction, researchers have continued exploring technologies to improve:

·Sweetness quality

·Mouthfeel

·Aftertaste

·Application flexibility

One important innovation is:

Glucosylated Steviol Glycosides (GSG).

What Are Glucosylated Steviol Glycosides?

Glucosylated Steviol Glycosides are modified steviol glycosides produced through enzymatic glycosylation.

The process introduces additional glucose units into existing steviol glycoside molecules.

The purpose of this modification is not simply to increase sweetness intensity.

Instead, it aims to optimize the interaction between the sweetener molecule and human taste receptors, improving the overall sweetness experience.

How Does Enzymatic Modification Work?

The general process involves:

Step 1

Selection of steviol glycoside substrates

↓

Step 2

Enzymatic transfer of glucose molecules

↓

Step 3

Formation of glucosylated steviol glycosides

↓

Step 4

Purification and quality control

Why Does Adding Glucose Change Taste?

The sensory perception of steviol glycosides is closely related to their molecular structure.

Different molecular structures influence:

·Sweetness onset

·Sweetness duration

·Aftertaste perception

·Overall taste balance

By adding glucose units through enzymatic modification, GSG can demonstrate different sensory characteristics compared with conventional steviol glycosides.

Potential Advantages of GSG

1. Improved Sweetness Profile

GSG is designed to provide a smoother sweetness experience.

Potential benefits include:

·Reduced harsh aftertaste perception

·More balanced sweetness curve

·Better sensory acceptance

2. Expanded Application Possibilities

Because of its improved sensory profile, GSG can be considered for applications where taste quality is critical.

Examples include:

Beverages

·Tea drinks

·Functional beverages

·Reduced-sugar drinks

Dairy Products

·Yogurt

·Milk beverages

Nutrition Products

·Protein products

·Health-focused foods

3. Supporting Sugar Reduction Goals

Modern consumers increasingly expect products that are:

·Lower sugar

·Natural

·Good tasting

GSG provides manufacturers with another option when developing next-generation reduced-sugar products.

GSG Enzymatically modified stevia solution designed for improved sensory

Why Enzyme Technology Matters

The development of GSG depends on advanced biotechnology.

Compared with simple extraction and purification, enzymatic modification requires deeper understanding of:

·Enzyme activity

·Reaction conditions

·Molecular transformation

·Quality control

This represents an important direction in the future development of stevia sweeteners.

TangBaobao Technology Insight

At TangBaobao, we focus not only on supplying stevia ingredients, but also on developing advanced sweetener solutions.

Through enzyme technology and continuous R&D innovation, we have developed GSG solutions designed to help customers achieve:

·Better sensory performance

·More flexible formulation options

·Improved sugar reduction strategies

Our goal is to provide customers with solutions beyond traditional sweetness.

Conclusion

Glucosylated Steviol Glycosides represent an important evolution in stevia technology.

By applying enzymatic modification, GSG provides a new approach to improving the sensory experience of stevia sweeteners.

As the global food industry continues moving toward sugar reduction, advanced solutions such as GSG will play an increasingly important role.

The future of stevia is not only about sweetness intensity.

It is about creating a better overall taste experience.

References

[1]. Prakash I, DuBois GE, Clos JF, Wilkens KL, Fosdick LE. Development of rebiana, a natural, non-caloric sweetener. Food and Chemical Toxicology. 2008.

[2]. Ohta K, et al. Characterization of novel steviol glycosides produced by enzymatic modification. Journal of Applied Glycoscience.

[3]. EFSA Panel on Food Additives and Nutrient Sources added to Food. Safety of steviol glycosides for use as food additives. EFSA Journal.