UL Prospector

Purple Sweet Potato Red Liquid 

Purple Sweet Potato Red Liquid appears as a brownish purple liquid extracted from purple root tuber of edible purple sweet potatoes. This product is a natural and water soluble food color with a a pH between 1.8-4.5, and an ash content of less than 2%. It is commonly used in wine, beverage, fruit sauce, candy, and cake applications.




Bolise Co. supplies herbal extracts, natual food colors, natural preservatives and supercritical Co2 fluid extraction. Some of the products they offer are capsaicin, piperine, Indigo and natamycin. Bolise advantages include herb sources, technical support, quality control and promotion.


Bolise Co., Limited

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