The nutritional value of seaweed moss is as follows: Nori moss is rich in nutrients. Every 100 grams of flower moss contains 1.3-2.1 grams of protein, 1.4-4.2 grams of carbohydrates, about 0.88 mg of carotene, and about niacin. 0.8 mg, ascorbic acid about 79 mg, calcium about 15 mg, iron 1.3 mg. The edible organ of seaweed moss is the tender flower stem, which has a sweet taste and tender texture. It can be fried, made into soup or blanched and served cold.

Porphyra is a biennial herbaceous plant of the genus Brassica of the Brassicaceae family, 30-90 cm tall; the stem is shortened and bears several basal leaves. The leaves are oval or elliptical, green or purple-green in color, with wavy leaf margins and deep lobes at the base of the leaves or a few lobes. Racemes, complete flowers, yellow corolla. The fruit is a silique, containing many seeds.

The seeds are nearly round, purple-brown to dark brown, and weigh 1.5-1.9 grams per thousand seeds. Distributed in the United States, Japan, the Netherlands, Africa and China; in China, it is mainly distributed in Hubei, Sichuan, Nanjing, Beijing and Taiwan. The growth and development of seaweed moss has slightly strict temperature requirements, and the appropriate temperature for seed germination is 25-30°C.

The suitable temperature range for seedling growth is wide. It grows rapidly around 20℃, can also grow at higher temperatures of 25-30℃, and grows slowly below 15℃. The lighting requirements are not strict. It is required to choose more fertile sandy loam or loam for growth.

Extended information:

Porphyra evolved from brassica and originated in the Hongshan area of ??Wuchang, Hubei, China, so it is also called Hongshan vegetable moss. Hongshan cabbage and Wuchang fish are two famous dishes called "Chutian". There are records about red cabbage moss in the Eastern Han Dynasty and the Three Kingdoms, and it is also recorded in "Qi Min Yao Shu" and "Compendium of Materia Medica".

The planting area of ??red cabbage moss continues to expand. In the early 1950s, it was only a few thousand acres, mainly distributed in the Yangtze River Basin. Since the 1980s, seaweed moss has been introduced throughout China, and its cultivation has also begun in Beijing, Taiwan and other places. The United States, Japan, the Netherlands and some African countries have also begun to introduce species.

Baidu Encyclopedia - Seaweed Moss