The process of converting the sugars in the fruit to acids, gases, and alcohol using microorganisms is a traditional method of preservation and flavor alteration. This transformation relies on the activity of yeast and bacteria, naturally present or introduced, to break down the fruit’s sugars. The end result is a product with a characteristically tart and often effervescent quality, dependent on the specific microorganisms involved and the duration of the process.
Historically, this practice has been employed to extend the shelf life of the fruit and create beverages such as cider. Beyond preservation, the biochemical changes result in unique flavor profiles and potential probiotic benefits. The resulting liquid can range from slightly tangy to intensely acidic, offering a range of culinary and beverage applications. Additionally, the controlled activity of the microorganisms provides opportunities for creating diverse and nuanced products, depending on the strains and conditions used.