UL Prospector

Purple Sweet Potato 


D.D. Williamson

Purple Sweet Potato coloring demonstrates red to purple hues in food and beverages. Its vegetable juice anthocyanin source provides better-than-average stability, compared to fruit-based anthocyanins, due to its complex molecular structures. The Purple Sweet Potato is extracted from the storage root of the plant. The Purple Sweet Potato juice may be used for naturally coloring food and beverage applications.



D.D. Williamson is a leading supplier of natural colourings, natural flavors and caramel colors for the food and beverage industry. They developed the natural flavor line for the markets demand for clean labels. D.D. Williamson's flavours may be labeled as “Natural Flavor” in North America and “Natural Flavouring” in Europe and can be labeled “colouring foodstuffs” (no E numbers) in Europe.


D.D. Williamson

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