Beverage exhibiting microbial growth inhibition

EP4565072A4Pending Publication Date: 2026-07-08SUNTORY HLDG LTD
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
SUNTORY HLDG LTD
Filing Date
2023-07-31
Publication Date
2026-07-08

AI Technical Summary

Technical Problem

Current synthetic preservatives used in beverages, such as sodium benzoate and potassium sorbate, have health concerns and flavor issues, and natural preservatives like chitosan lack stability in beverage appearance, necessitating a novel microbial growth inhibitor derived from natural products that maintains commercial value.

Method used

The use of six specific compounds (represented by formulae 1 to 6) derived from natural products, which are added to beverages at concentrations between 0.1 to 250 ppm, effectively inhibit microbial growth without affecting the beverage's appearance or flavor, outperforming traditional synthetic preservatives in efficacy.

Benefits of technology

These compounds significantly inhibit microbial growth in beverages, providing high preservability and stability, even at lower concentrations than synthetic preservatives, without compromising the beverage's original color or taste, thus addressing the limitations of existing natural and synthetic preservatives.

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Abstract

A beverage containing one or more of 6 compounds represented by formulae 1 to 6 described in the description, which are derived from natural products, or a salt thereof. These compounds may have the effect on inhibiting microbial growth in beverage at the same or lower concentration than that of existing preservatives for beverage, such as sodium benzoate and potassium sorbate. The compounds tend not to reduce the commercial value of beverage.
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