According to a Dietitian

Japanese purple sweet potatoes are botanically classified as Ipomoea batatas and are members of the Convolvulaceae or morning glory family. Also known as Murasaki Imo which means purple potato in Japanese there are several varieties of Japanese purple sweet potato including Purple Sweet Lord and Ayamurasaki. Japanese Purple Sweet Potato 5pcs Ridgewood Gourmet Transfer into a bowl and mash with a fork. Japanese purple potato . Angela Rippon and Dr Chris van Tulleken investigated the Japanese diet for. Japanese Purple Potato need round shape shiny skin and no trace of pest or disease. Boil potatoes for 30 minutes or until soft will turn dark purple then drain. Japanese sweet potatoes are a variety of sweet potato with yellow flesh and dark skin. The sweet potato emoji is actually a Murasaki. According to Herbal Extracts Plus the Japanese sweet potato is similar to American yams but tastes sweeter. Up until recent history they lived in their own little world out. Thi