4.1 Article

A review on health benefits of kombucha nutritional compounds and metabolites

Journal

CYTA-JOURNAL OF FOOD
Volume 16, Issue 1, Pages 390-399

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/19476337.2017.1410499

Keywords

Kombucha; glucuronic acid; antioxidant activity; scoby; Kombucha; acido glucuronico; actividad antioxidante; SCOBY

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Kombucha is a beverage made by fermenting sugared tea using a symbiotic culture of bacteria and yeasts. Kombucha consumption has been associated with some health effects such as: the reduction of cholesterol levels and blood pressure, reduction of cancer propagation, the improvement of liver, the immune system, and gastrointestinal functions. The beneficial effects of kombucha are attributed to the presence of bioactive compounds that act synergistically. Bacteria contained in kombucha beverage belongs to the genus Acetobacter, Gluconobacter, and the yeasts of the genus Saccharomyces along with glucuronic acid, contribute to health protection. This review focuses on recent findings regarding beneficial effects of kombucha and discusses its chemical compounds, as well as the metabolites resulted by the fermentation process. Besides, some contraindications of kombucha consumption are also reviewed. RESUMENLa kombucha es una bebida hecha de te endulzado y fermentado utilizando un cultivo simbiotico de bacterias y levaduras. El consumo del kombucha se ha asociado con algunos efectos beneficos para la salud, entre ellos la reduccion de los niveles de colesterol y la presion arterial, la disminucion de la propagacion del cancer y el mejoramiento de las funciones hepatica, inmunologica y gastrointestinal. Estos efectos beneficos han sido atribuidos a la presencia de compuestos bioactivos en la kombucha, los cuales actuan sinergicamente. Las bacterias contenidas en esta bebida pertenecen a los generos Acetobacter y Gluconobacter; a su vez, las levaduras del genero Saccharomyces contribuyen, junto con el acido glucuronico, a la proteccion de la salud. La presente revision discute varios hallazgos recientes en torno a los efectos beneficos del kombucha, y examina sus compuestos quimicos y los metabolitos que se producen durante el proceso de fermentacion. Finalmente, se revisan algunas contraindicaciones relativas al consumo de kombucha.

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