Purple Sweet Potato

Purple sweet potato color is extracted from the purple root tuber of purple sweet potato, Impomoes batatas.

Anthocyanin colorings exhibit a reversible change in molecular structure as the pH of solutions change from acidic to basic. This change in structure is characterized by a shift in hue from red to purple to blue as the pH changes from acidic to basic.

Advantages of DDW Purple Sweet Potato

Purple sweet potato color offers an alternative source of red coloring at low pH with good heat and light stability.