What are the effects and effects of porphyra? What are the taboos? How many common species are there?

Laver is a dish that appears frequently on everyone's daily table. it is generally used to make Laver egg soup or Laver wrapped rice. The efficacy and function of porphyra are also innumerable, so do you know what are the taboos of porphyra? What are the common types of porphyra?

I. the efficacy and function of porphyra yezoensis

1. Rich in nutrition and high in iodine, it can be used to treat "goiter" caused by iodine deficiency. Porphyra has the function of soft firmness and scattered knots, and it can also be used for other stagnation and accumulation.

two。 Rich in choline and calcium, iron, can enhance memory, treatment of maternal and child anemia, promote bone, tooth growth and health care; contains a certain amount of mannitol, can be used as a supplementary food for the treatment of edema

3. The polysaccharides contained in porphyra yezoensis can significantly enhance cellular and humoral immunity, promote lymphocyte transformation, improve body immunity, and significantly reduce the total content of serum cholesterol.

4. The inhibition rate of the active components of porphyra yezoensis on Ehrlich cancer is 53.2%, which is helpful to the prevention and treatment of brain tumors, breast cancer, thyroid cancer, malignant lymphoma and other tumors.

Second, edible taboos of porphyra

1. Do not eat too much.

2. Those with poor digestive function and spleen deficiency should eat cautiously.

3, breast lobular hyperplasia, spleen and stomach deficiency cold, abdominal pain and diarrhea and all kinds of tumor patients are not recommended.

Common species of porphyra yezoensis

1. Porphyra haitanensis: porphyra haitanensis is a kind of artificially cultivated seaweed endemic to China. The algal body is dark purple-green and brownish, lanceolate, sub-ovate or long-ovate, the base is heart-shaped, round or cuneate, and the edge is slightly wrinkled or absent. Sparsely serrated. Porphyra haitanensis in China has a long history, which 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 Taiping and rejuvenation of the country in the Song Dynasty. At present, it is often planted along the coast of Fujian and southern Zhejiang.

2. Porphyra yezoensis: the algae of porphyra yezoensis are bright purplish red or slightly turquoise, ovate or long ovate, generally more than 12cm high, the base is round or heart-shaped, the edge is wrinkled, and the cells are neatly arranged, smooth and unserrated. The pigment body is star-shaped, located in the center, and the basal cells extend into egg-shaped or long rod-shaped, monoecious, leaf-like bodies can form single spores for vegetative reproduction. It is a common species along the north coast of China and is the main cultivated algae to the north of the Yangtze River. it is rich in protein, polysaccharides and vitamins, which can be used for food or medicine.

3. Porphyra yezoensis: porphyra yezoensis belongs to porphyra yezoaceae. The algal body is purplish red, round or kidney-shaped, flaky, membranous, 6-10 cm wide, 3-15 cm high, base heart-shaped, margin obviously serrated, androgynous. It usually grows on the rocks in the middle and most wonderful parts of the belt, with a peak growth period from December to April of the following year.

4. Porphyra yezoensis: porphyra yezoensis belongs to porphyra yezoaceae. The algal body is purplish red or purplish red, flaky, membranous, 15-100 cm long and 2-10 cm wide, with a round or heart-shaped base, less wrinkles, margin serrated, androgynous, usually growing on the middle and most exciting parts of the belt rocks.

5. Porphyra: porphyra yezoensis belongs to porphyra yezoaceae. The algae are ovoid, lanceolate or irregularly round, 20 cm high, 30 cm high, 60 cm wide, 10 cm wide and more than 30 cm wide. Base cuneate, rounded or heart-shaped, margin more or less wrinkled, smooth without serrate. The algae is relatively thin, only 20-33 microns thick.