Kombucha Tea: A Functional Beverage and All its Aspects

PURPOSE OF REVIEW: The increasing interest in functional foods and beverages worldwide is driven by rising living standards, advancing technology, and heightened health awareness. Kombucha tea, a fermented beverage produced from sweetened tea and a symbiotic culture of bacteria and yeast (SCOBY), is a prominent example within this category. This review explores the definition, bioactive components, and health benefits of kombucha, emphasizing its potential roles as a functional beverage in the prevention and management of various diseases. RECENT FINDINGS: The fermentation process of kombucha tea, typically lasting up to 14 days, results in the transformation of sugar into ethanol and acetic acid, contributing to its distinctive tangy flavor. Kombucha contains bioactive compounds such as organic acids, antioxidants, and probiotics, which are linked to potential health benefits including improved digestive health, enhanced immune function, and antioxidant activity. Recent advancements in sustainable production methods and innovative formulations have further contributed to the increasing popularity of this beverage. Kombucha tea, originating in Northeast China with a history of over 2,000 years, is increasingly recognized for its potential health-promoting effects. Its production through traditional fermentation methods combined with modern innovations underscores its value as a functional beverage with the potential to support health and well-being. This review assesses the roles of kombucha in maintaining human health, considering its use as a complementary strategy for the prevention and management of diseases due to the bioactive components it contains.