No, purple potatoes are not genetically modified food.
Purple potatoes, also known as black potatoes, are a very nutritious root food, containing a large amount of protein, starch, pectin. It belongs to a kind of imported food, its purple color is mainly because it contains a lot of anthocyanin, anthocyanin is a kind of water-soluble pigment, after encountering acidic substances will become red, so it is not a kind of genetically modified food.
Need to know:
Purple potatoes (Ipomoea batatas (L.) Lam), belonging to the sweet potato family sweet potato herbaceous plants, the flesh of the potatoes is purple to dark purple, so it is also known as black potatoes, purple sweet potatoes, purple sweet potatoes or purple sweet potatoes. Purple sweet potato is a special variety of sweet potato type, both food, cash crops and medicinal crops, in addition to ordinary sweet potato composition and function, but also has a variety of physiological effects.