1, watercress
Watercress generally refers to watercress, originated in Europe, cultivated in Heilongjiang, Hebei, Shanxi, Shandong, Henan, Anhui, Jiangsu, Guangdong, Guangxi, Shaanxi, Sichuan, Guizhou, Yunnan and Tibet, and distributed in Europe, Asia and North America. Watercress is often cultivated as a vegetable in most areas of Guangdong and Guangxi, and the whole grass can also be used as medicine.
2. wax gourd
In addition to being a vegetable, wax gourd fruit can also be soaked into various candies. Wax gourd is mainly distributed in other tropical and subtropical regions of Asia, and cultivated all over China. There are wild people in southern Yunnan (Xishuangbanna) in China, and their fruits are far smaller. It is also distributed in eastern Australia and Madagascar.
3. Macroalgae
There are various amino acids in kelp protein with proper proportion, and its content is very close to the essential amino acid content pattern in ideal protein. Kelp can be used not only as a dish, but also as various foods with unique flavors.
Step 4: carrots
Native to West Asia and Afghanistan, it was introduced to the European continent through Iran in the 10 century, cultivated in Britain in the 15 century, and introduced to the United States in the 16 century. /kloc-was introduced to China through Iranian in the 0/2nd century, and/kloc-was introduced from China in the 0/6th century. Carrots are widely planted because of their strong adaptability and easy cultivation.