UL Prospector

Tannic Acid Food Grade 

Tannic Acid Food Grade is obtained from Galla Chinensis by extraction, filtration, refining, and concentration. It appears as a yellow powder with a slight characteristic scent. This product is often used in clarifying beer and wine.




Yunnan Rainbow Bio-tech. Co is the biggest transporting company of water soluble natural colors and one of the main transporting businesses of marigold and paprika oleoresins. They also offer Vegetable Juice Concentrates, 20-Hydroxyecdysone, Xanthophylls and Tannic Acid. They are constantly improving their technology and own several patents on special technologies, for example, Ultasonic Extraction and Molecular Distillation.


Yunnan Rainbow Bio-tech. Co., Ltd

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