Purple potatoes can be cooked and eaten. Boiled purple potato tastes sweet, soft and glutinous, and very delicious. The cooking method of purple potato is also very simple. Wash the purple potato with clear water first, then pour the water into the pot to boil, and then add the washed purple potato to cook. Finally, the cooked purple potato is taken out and cooled, and the purple potato is peeled and eaten.

Extended data: sweet potato. Convolvulaceae? The convolvulaceae is also called black potato, and its flesh is purple to deep purple. Besides the nutrients of common sweet potato, it is also rich in selenium and anthocyanins. Purple sweet potato is one of the main raw materials of anthocyanin.

Purple sweet potato likes warm climate. The suitable growth temperature of stems and leaves is 18 ~ 25℃, and the growth stops below 15℃. The optimum ground temperature for the growth of tuberous roots is 22 ~ 24℃, and when the ground temperature is lower than 20℃, the tuberous roots stop expanding.

References:

Baidu encyclopedia-purple potato