Portulaca oleracea L., produced in Quzhou, Zhejiang Province, was called "Peng Amaranth" or "Thousand-petal Amaranth" in ancient times, and also known as "Longevity", "Equisetum", "Equisetum", "Equisetum", "Ma Lian", "Equisetum", "Zizyphus jujuba" and "Five Elements" (Portulaca oleracea L. leaves are similar

Portulaca oleracea contains protein, fat, carbohydrate, dietary fiber, calcium, phosphorus, iron, copper, carotene, vitamin B 1, vitamin B2, nicotinic acid, vitamin C and other nutrients.