The purple sweet potato originated from Japan, the name of the product Kawasan purple, Japanese researchers in the late nineties breeding success.
China began to introduce purple potatoes from 2002, there is a selenium-rich purple sweet potato scientific name "Yu purple 263", is a new variety of selenium-enriched purple sweet potatoes, purple skin, purple delicate flesh, moisture, sweet taste, the most important thing is that it is rich in a kind of selenium, a trace element that is beneficial to the human body.
Japanese Ling Purple is a black potato variety introduced from Japan, with purple-green leaves, purple-red top three leaves, green leaf veins and petioles, and few branches at the base. The skin color is purple-red and bright, the flesh color is purple-black, nearly black after ripening, rich in anticancer substance selenium, iodine and other elements, strong disease resistance and storage resistance, drought resistance, barrenness resistance, strong adaptability.
Extended Information
Introduction of Origin:
The country of Japan is located on the west coast of the Pacific Ocean, and it is a curved island country stretching from northeast to southwest. It is separated from China, North Korea, South Korea and Russia by the East Sea, Yellow Sea, Korea Strait and Sea of Japan to the west. Japan is the largest food exporter to the European Union. Japan is the world's second largest fishing country.
Purple sweet potatoes in China in Guangdong, Guangxi, Hunan, Hubei, Fujian, Sichuan, Shandong, Jiangxi, and other places are distributed, purple sweet potatoes is a short-day crop, need to be sufficient light and intensity.
Purple sweet potato is good but should not eat more, more food will be stagnant gas caused by heartburn, spit acid water, bloating. Diabetes and kidney disease patients should not eat more, because the starch content of purple potatoes is very high, and starch after digestion will be converted to glucose, diabetics are not favorable.
Baidu Encyclopedia - Purple Potato