PRODUCTION • How we do it
From Open to Closed Fermentation – The Evolution of BOUCHE 🍋
From the very beginning, BOUCHE Kombucha has been driven by one shared belief: developing complex flavor profiles is the foundation of everything we do. Our goal has always been clear – to create unmistakable products with a signature taste and a distinctive BOUCHE character.
Through continuous experimentation, precise adjustments, and countless test batches, we developed the framework for what would become our modern brewing method in Germany. We knew early on that before diving into flavor, we first needed a perfect base – because real creativity can only grow from consistency.
From Open to Closed Fermentation 🧪
Our journey began with open fermentation – small containers filled with black and green tea, beet sugar, and a traditional SCOBY (Symbiotic Culture of Bacteria and Yeast). Classic kombucha in its purest form – nothing unusual, nothing revolutionary. The results were good, but we noticed something: each batch tasted a little different. Ambient temperature and environmental factors caused fluctuations, making consistency difficult to achieve.
So, we asked ourselves: How can we control fermentation without losing its soul? The answer came in the form of a new process – the closed fermentation method, without a physical SCOBY.
Closed Fermentation – Precision Over Chance ⚙️
The closed fermentation process creates a consistent, controlled environment where oxygen, temperature, and fermentation time can be precisely adjusted. Through the tank’s jacket, we can regulate heat to speed up or slow down the process depending on the batch.
Instead of using a SCOBY, fermentation is guided by our liquid starter culture – a living ecosystem of yeast and bacteria we developed ourselves. This innovation lies at the heart of the BOUCHE process, ensuring every batch carries the same depth, liveliness, and balance that define our kombucha.
What sounds simple now is the result of years of testing, fine-tuning, and observation. Consistency isn’t coincidence – it’s a craft built on curiosity, discipline, and patience.
Starter Culture & Flavoring 🌸
Our starter culture, just like our base kombucha, is made from black and green tea and regional beet sugar from Germany. It’s kombucha in concentrated form, defining its acidity and vitality. Its high concentration of living microorganisms gives BOUCHE its dynamic energy and characteristic brightness.
Our pursuit of complex flavors eventually led us to merge traditional fermentation methods with modern brewing precision. The result is our unique flavoring process – a technique inspired by maceration, giving each BOUCHE variety its unmistakable depth, layered texture, and signature profile.
Perfecting kombucha is not a finished process – it’s evolution in motion, a constant dialogue between science and taste. With every new insight, our understanding deepens – of what kombucha can be, and how alive a drink can truly feel.