Low-sugar taste enhancement via electrostatic spray-dried natural sweetness enhancers

Technology
Conceptual
University

Innovative electrostatic spray-drying (ESD) technology creates natural sweetness enhancers with low sugar content, using encapsulated sweetness potentiators and aroma cues. Suitable for beverages and sauces, this solution maximizes flavor with minimal sugar inclusion.

Overview

This solution introduces a cutting-edge method to enhance sweetness with minimal sugar content using electrostatic spray-drying (ESD) technology. By encapsulating sweetness potentiators, aroma cues, and bitterness-masking agents into core-shell particles, it offers an innovative approach to mimic the taste profile of sugar without its high caloric content. This technology is particularly valuable for food and beverage industries aiming to offer healthier, low-sugar products without compromising on taste and mouthfeel.

Technical specifications
  • Electrostatic Spray-Drying (ESD): Utilizes a low-temperature, inert nitrogen environment to preserve delicate fermentation-derived components, ensuring high retention of flavors and aromas.
  • Core-Shell Architecture: Features thin glassy shells for rapid flavor release and porous cores for extended taste duration, mimicking sugar's onset and finish.
  • Encapsulation Technology: Incorporates cyclodextrins and protein–polyphenol complexes to mask off-notes, while microgels or Pickering fragments enhance mouthfeel.
  • Versatile Applications: Compatible with GRAS (Generally Recognized As Safe) carriers, adaptable to various food matrices, and suitable for ppm to percent-level dosing.
Technology readiness level

Currently at TRL 3, the technology is in the laboratory validation phase. Future plans include assembling a library of natural potentiators, optimizing formulation and process parameters, conducting sensory and analytical validations, and preparing for scale-up and regulatory compliance.


About Catholic University of Leuven (KU Leuven)

KU Leuven is a large comprehensive public research university in Leuven, Belgium, anchored by a major academic medical center and a broad multidisciplinary profile. Industry engages through co-located facilities and shared labs, including access to advanced cleanrooms and prototyping via imec’s Leuven campus. Integration with UZ Leuven supports clinical partnerships and data-rich trials, while research and technology parks around the city connect companies with faculty and student talent. Research is backed by competitive European and Belgian funding, including the European Commission and the Research Foundation – Flanders (FWO). KU Leuven Research & Development manages IP, licensing, and spin-off formation, offering standardized agreements and dedicated partnership managers.

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