Tea extract, preparation method and application thereof, and cosmetics

The invention discloses a tea extract, a preparation method and application thereof and cosmetics, and belongs to the technical field of fermentation, the tea extract is prepared by fermenting tea and a fermentation strain, and the fermentation strain is pichia pastoris and/or aureobasidium pullulans. According to the tea extract disclosed by the invention, tea is taken as a substrate, pichia pastoris and/or aureobasidium pullulans are/is used for fermentation, tea polyphenols can be effectively enriched, and the prepared tea extract is good in safety and has relatively good effects of moisturizing, oxidation resistance, light aging resistance and light protection. 本发明公开一种茶提取物、制备方法及其应用和化妆品，属于发酵技术领域，所示茶提取物，由茶和发酵菌株发酵制备而成，所述发酵菌株为毕氏酵母菌和/或出芽短梗霉菌。本发明的茶提取物，以茶为底物，利用毕氏酵母菌和/或出芽短梗霉菌进行发酵，可以有效富集茶多酚，制备的茶提取物安全性好，且具有较好的保湿、抗氧化、抗光老化和光防护的功效。