Purple cabbage does not belong to seafood.

Purple cabbage in the systematic taxonomy belongs to the red algae door, the original red algae, red cabbage, red cabbage, red cabbage, is a class of seaweeds growing in the intertidal zone, its distribution covers the frigid zone, temperate, subtropical and tropical waters. In addition, in recent years, there are also many reports about. Nori is the world's highest value of cultivated seaweed, in China, Japan and South Korea is cultivated on a large scale.

In 2016, China's production of nori was about 135,300 tons, with an output value of more than 10 billion yuan. Dried purslane in the crude protein content of 30% to 50%, rich in dietary fiber, a variety of vitamins and calcium, potassium, magnesium and other trace elements, but also contains algae unique algae bile proteins, has a high nutritional value, is an indispensable marine ingredients, but also China's southeastern coast of the rural economy of the backbone of the product.