Purple cabbage has a high nutritional value, containing a variety of essential nutrients. Its protein content is 9 times more than that of fresh mushrooms, and every 100 grams of purslane contains 26.2 grams of protein,? higher than the general vegetables, and the human body essential amino acid content. The constituent amino acids of purslane protein such as alanine, aspartic acid, glutamic acid, glycine, proline and other neutral and acidic amino acids are more.

Purple cabbage contains high iodine. Vitamin A, B, C and iodine, calcium, iron, phosphorus, zinc, manganese, copper and other trace elements are also very rich. Nori has the function of absorbing and accumulating inorganic substances in seawater, so the inorganic substance content in these nori is extremely rich.

1/5 of the seaweed is dietary fiber, which can maintain intestinal health.

Purple cabbage is sweet, salty and cold in nature, and enters the lung meridian; it has the efficacy of resolving phlegm and softening the hardness, clearing away heat and inducing diuresis, and tonifying the kidney and nourishing the heart; it is used for goiter, edema, chronic bronchitis, cough, foot odor, high blood pressure, and so on.

Nutritional, high iodine content, can be used to treat iodine deficiency caused by "goiter" nori has a soft knot function, on other stagnant blocks also have the use.

Rich in choline and calcium, iron, can enhance memory, treatment of anemia in women and children, to promote the growth of bones, teeth and health care; contains a certain amount of mannitol, can be used as an auxiliary food for the treatment of edema.

The polysaccharide contained in purslane has the function of significantly enhancing cellular immunity and humoral immunity, which can promote the transformation of lymphocytes and improve the body's immunity; it can significantly reduce the total content of serum cholesterol; and it can be used as a supplemental food for the treatment of edema.

Purple cabbage is also rich in potassium. Because "high sodium" is detrimental to cardiovascular health, and potassium is compared to the cardiovascular health of the "God of protection". Because the right amount of potassium is to maintain the heart muscle is at work, maintain blood pressure is at work, to maintain the internal environment of the acid-base balance of the necessary conditions.