Purple sweet potato is not a genetically modified food.

Purple sweet potato originated in Japan, with the name Chuanshanzi. Japanese researchers successfully bred it in the late 199s. China introduced it in 22, and there are many varieties of purple potato cultivated in China. Some of them are used as natural pigments, which are not suitable for fresh food. They have high starch content, little moisture and dry taste, and are more suitable for extracting pigments, processing whole powder and processing snack foods.

There is a kind of selenium-enriched purple sweet potato named "Yuzi 263", which is a new variety of selenium-enriched purple sweet potato. Its skin is purple, its flesh is purple and delicate, its water content is sufficient, and it is sweet and waxy. It is an ideal coarse grain option for people, and it is more suitable for fresh food. The most important thing is that it is rich in a trace element selenium that is beneficial to human body. Extended information

Purple sweet potato is a kind of sweet potato family. The biggest difference between it and other sweet potatoes is that the heart is purple and there is a special purpurin in it.

It is non-toxic to humans and animals, and is usually common in Guangdong. It is a delicious food.

Purple-heart sweet potato has beautiful shape, delicate meat, 9 kinds of amino acids and carotene, which can supplement human nutrition deficiency and has good medicinal function. It contains purple pigment, chlorogenic acid and vitamins, and there are more mineral trace elements such as selenium, iodine, copper, iron and zinc than ordinary sweet potatoes, and some trace elements are even several times as many as ordinary sweet potatoes. It is also the main raw material for food processing, and can be used to make all kinds of colorful foods and drinks. However, purple sweet potato skin is thin and easy to rub, and it is not cold-resistant in winter.

Reference: Purple Sweet Potato _ Baidu Encyclopedia