KBI Official Guidance – Cold Storage for Raw, Unpasteurized Kombucha

Kombucha is a traditionally fermented, low alcohol, non-intoxicating beverage that is most commonly consumed raw, meaning unpasteurized, to protect the probiotics and nutrients in a living form from being damaged.

Unpasteurized means not subject to pasteurization via heat or chemical means. As a result of remaining a raw product, it can experience slight shifts in ethanol as the fermentation process continues in the bottle.

To arrest that process, raw Kombucha must be kept cold at all times to maintain the integrity of the product and to prevent over fermentation in the bottle.

Cold storage ought to be maintained at 34-40º F /1.1-4.4ºC to slow the fermentation of the Kombucha throughout the supply chain.

Shelf life of Kombucha is determined by how long the product can remain in cold storage before the ethanol level goes above the prescribed legal limit (will vary based on location).

Products that claim to be both shelf-stable and raw are not currently recognized as stable without further evidence vis a vis shelf life testing by a third party lab to verify that the ethanol level remains within the legal limit for that location. No such products currently exist in the US marketplace as all raw Kombucha is subject to refrigeration.

 

Rev.090517 Approved KBI Board October 2017

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Hannah Crum

Hannah Crum

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