New Method Develops GABA-Enriched Soy Beverages
Researchers have found a way to stabilize enzymes, potentially allowing for more GABA-rich soy products in the future.
Updated on Oct. 26, 2026 in Nutrition
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Researchers have developed a method to produce GABA-enriched soy beverages by using stabilized lactococcal enzymes. This process leverages food-grade encapsulation to improve enzyme stability for functional food applications.
Why it matters
Gamma-aminobutyric acid (GABA) is increasingly sought for its potential health properties in functional foods. Improving the stability and production efficiency of these enzymes helps make the development of such products more feasible.
A laboratory study characterized two recombinant lactococcal glutamate decarboxylase enzymes and tested their performance. The enzymes maintained 70% of their activity after being stabilized with gellan gum, reaching concentrations of 9.27 mM GABA in soy milk.
The details
The process relies on GadB enzymes, which naturally convert glutamate into GABA. While these enzymes are typically sensitive to heat above 30 degrees Celsius, researchers successfully used food-grade gellan gum to encapsulate them. This protection allows the enzymes to remain functional at temperatures up to 50 degrees Celsius, facilitating their use in non-fermented soy products.
Timeline
October 26, 2026: The research findings regarding lactococcal glutamate decarboxylase enzymes were published.
Health Landscape
The production of functional foods often struggles with the biological instability of active ingredients during processing. This new approach contributes to the broader evolution of food technology by enabling better retention of sensitive compounds in non-fermented beverages.
While these laboratory results show promise for the future of functional soy products, they do not change your current dietary choices. Any potential health benefits associated with GABA-enriched foods remain a subject for future study rather than current clinical practice.
The takeaway
GABA is a compound of interest in functional food research due to its potential health benefits. If you are interested in how specific nutrients impact your wellness, focus on balanced dietary sources and consult your doctor before adding specialized supplements to your routine.
Further reading
Learn more about the latest developments in functional ingredients within our Nutrition section.
Source note: This article includes information reported by Nature.
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