CATDOLL : CATDOLL: The difference between Porphyra haitanensis and Porphyra yezoensis

1. The difference between Porphyra haitanensis and Porphyra yezoensis

1. Different production

Nori yezoensis is a food made from roasted nori that is crispy and tender and melts in the mouth, especially after being seasoned and added with oil, salt and other condiments. It is also known as seaweed.

Porphyra haitanensis is a kind of seaweed that can be cultivated artificially in China. Porphyra haitanensis belongs to the Rhodophyceae, Rhodophyceae. The algae is dark purple-green with a slight brown tint, lanceolate, subovate or oblong ovate, and is more than 12-30cm long.

2. Different nutritional ingredients

Porphyra haitanensis is delicious, cheap and abundant in resources. It contains a large amount of essential amino acids, minerals and vitamins for the human body. It is a high-quality nutritional health food and is known as a "treasure house of nutrition".

Seaweed concentrates various B vitamins in laver, especially riboflavin and niacin, as well as a lot of vitamin A and vitamin E, and a small amount of vitamin C. Seaweed contains about 15% of minerals, including potassium, calcium, magnesium, phosphorus, iron, zinc, copper, manganese, etc., which are necessary for maintaining normal physiological functions, and selenium and iodine are especially rich.

3. Different distribution

There are many varieties of Porphyra haitanensis. Porphyra haitanensis is mostly cultivated in the coastal areas of Fujian and southern Zhejiang, while Porphyra yezoensis is mainly cultivated in the north. Porphyra is harvested in stages, and can be harvested once the leaves are 15 to 20 cm long, starting in autumn and continuing until March to May of the following year.

Large-sized Porphyra yezoensis mostly grows in cold areas.

Reference source: Baidu Encyclopedia - Porphyra yezoensis

Reference source: Baidu Encyclopedia - Porphyra

Porphyra yezoensis

yezoensis) Rhodophyta, Rhodophyceae. The algae are bright purple or slightly blue-green, ovate or oblong, and generally 12-70cm high. The base is round or heart-shaped, with wrinkles on the edges, and the cells are neatly arranged, smooth and without serrations. The chromatophores are star-shaped, located in the center, and the base cells extend into ovate or long rods. Monoecious. The thallus can form monospores for vegetative reproduction. It is a common species along the northern coast of China and the main cultivated algae north of the Yangtze River. It is rich in protein, polysaccharides and vitamins and can be used for food or medicine.

Porphyra

haitanensis), commonly known as laver and wucai, is a kind of seaweed that is unique to China and can be cultivated artificially. Laver is a member of the Rhodophyta class, Rhodophyceae family. The algae is dark purple-green with a slight brown tint, lanceolate, subovate or oblong, and is more than 12-30 cm long. The base is heart-shaped, rounded or wedge-shaped, with slightly wrinkled or absent edges and sparse serrations. The algae is single-layered, with double layers in some areas. The chloroplasts are single or a few are double. The base cells are round-headed. It is dioecious, with a few being monoecious. It is a warm temperate species and is the main cultivated algae along the coasts of Zhejiang, Fujian and Guangdong in China. It is rich in protein, polysaccharides and vitamins and can be used for food or medicine [1].

Haitan Porphyra has a long history. It was first named after Haitan Island, the main island of Pingtan County, Fujian Province. It was listed as a tribute as early as the third year of Taipingxingguo in the Song Dynasty. At present, it is widely planted along the coast of Fujian and southern Zhejiang. Haitan Porphyra is delicious and inexpensive, and its resources are abundant. It contains a large amount of essential amino acids, minerals and vitamins for the human body. It is a high-quality nutritional health food and is known as a "treasure house of nutrition".

2. Where does laver grow?

Nori grows in coastal areas of Fujian, southern Zhejiang and other places in my country.

In my country, nori is mainly distributed in coastal areas such as Fujian and southern Zhejiang. Nori is a type of seaweed that grows in the intertidal zone. Its distribution range covers frigid, temperate, subtropical and tropical waters. It is currently cultivated in my country, Japan, South Korea and other countries.

Among them, Xiapu County in Fujian is known as the "hometown of laver" and is a national geographical indication product. Xiapu in Fujian is the earliest area in southern my country to cultivate kelp and laver. As early as the Yuan Dynasty, there were records of Xiapu people cultivating laver.

Types of seaweed

1. Porphyra haitanensis

It is a unique variety of laver that can be cultivated artificially in China. The algae are dark purple-green with a slight brown tint. The shapes are mainly lanceolate, sub-ovate, etc., with wrinkles or no wrinkles on the edges and sparse serrations. my country has a long history of cultivating laver. It was a tribute in the third year of Taipingxingguo in the Song Dynasty. At present, it is widely cultivated in Fujian and southern Zhejiang coasts.

2. Porphyra yezoensis

The algae are bright purple or slightly bluish green, ovate or oblong, with a round or heart-shaped base. The thallus can form monospores and can reproduce vegetatively. Porphyra yezoensis is a common type of porphyra in northern China, and is the main variety grown north of the Yangtze River.

3. Round Laver

It is a plant of the genus Porphyra in the family Porphyrae. Its algae are purple-red, round or kidney-shaped, flaky, membranous, heart-shaped at the base, with obvious serrations on the edges, and hermaphroditic. It usually grows on rocks in the mid- and high-tide zones, and its growing season is from December to April of the following year.

4. Long Laver

It is a plant of the genus Porphyra of the family Rhodophyta. The algae is light purple or purple, with a round or heart-shaped base, serrated edges and fewer wrinkles. It generally grows on rocks in mid- and high-tide zones.

5. Sweet Laver

It is a plant of the genus Porphyra of the family Rhodophyta. The algae are generally found on rocks in the middle and high tide zones. They are 20 to 30 cm high and 10 to 18 cm wide. A few can reach more than 30 cm. The edges are wrinkled and smooth without serrations.

3. Where is the main production area of ​​Porphyra yezoensis in my country?

Porphyra yezoensis is produced along the coast of the Yellow Sea and the Bohai Sea, and is distributed in the southern end to the Zhoushan Islands in Zhejiang. It mostly grows on reefs in the mid- and low-tidal zones, and its growing season is from November to June of the following year. The algae are leaf-shaped, thin and tender, and are monoecious. It is characterized by the distinct stripes formed by the mixed growth of male and female reproductive cells on the mature algae.