Fern

Fern

(the book of food by Cui Yuxi)

[synonyms] zangya (Erya), Pteridium (cuiyuxi's food Classic), Pteridium (compendium), longtoucai (Guangdong Xinyu), Biejiao (yilinzhuanyao), shanfengwei, ruyicao (Nanjing folk herb), Dryopteris, songgengyan, Trident fern (Guangxi Traditional Chinese veterinary medicine plant), Pteridium (northeast medicine plant records), maozhuzi, gaoshali (Jilin traditional Chinese medicine plant).

[source] it is the tender leaves of pteridiaceae.

Fern

Perennial herbs. Rhizome long, stout, creeping, subterranean, pubescent. Petiole sparsely, stout and erect, 30-100cm long, naked, brown or yellow culm; leaves triangular or broad lanceolate, leathery, 3-pinnate compound leaves, 30-100cm long and 20-60cm wide; pinnae not divided at the top, pinnate divided at the bottom, pinnate compound leaves at the bottom, the largest at the bottom; pinnules linear, lanceolate or long elliptic, 1-2.5cm long and 3-5cm wide Rachis naked; veins numerous, dense, often forked branched, midrib hairy. Sporangia grow along the leaf margin in a continuous long line shape. The cover of sporangia is linear. The degenerated leaf margin is reflexed, while my false cover.

It grows in the grass under the forest. It's all over the country.

The rhizome (fern root) of this plant is also used for medicine. See special article for details.

[collection] harvest in autumn and winter.

[chemical constituents] it contains 1-indomethanone compounds: pteridin a, B, C, D, e, F, G, J, K, l, Z, pteridin a, B, C, D, Z, palmitoylpteridin a, B, C, isocrotonylpteridin B, benzoylpteridin B, acetylpteridin C, and carcinogen: pteridolactam. It also contains ponosterone a, ponosterone glycoside A and fernosterone.

[pharmacological action] P. aquilinum, the original plant of this product, can be poisoned by cattle, sheep and horses, but not by pigs. The toxic substance may be thiaminase, so vitamin B1 has therapeutic effect. Some people think that the toxic substance is not only thiaminase, but also other ingredients. It is harmful to the whole bone marrow hematopoiesis system, especially inhibiting the production of red blood cells and the uptake of Fe59 by red blood cells. In addition, there are also thrombocytopenia and leucopenia, and extensive punctate hemorrhage. After cattle eat a large amount of this herb, there are small intestine injury, ulcer, hematuria and bladder tumor. Feeding rats can also cause cancer, especially in the small intestine.

Sweet and cold.

① "Dietotherapy Materia Medica": "cold. "

② "Materia medica collection": "sweet taste, cold. "

③ "Yin Shan Zheng Zheng": bitter, cold, poisonous. "

[Guijing] 1. Bencao Zaixin: "entering the spleen meridian. "

② Summary of materia medica: "start with Shaoyin and Taiyang scriptures. "

Functions and indications: clearing heat, smoothing intestines, reducing Qi and resolving phlegm. It is used to treat food partition, Qi partition, intestinal wind and heat toxin.

① "Dietotherapy Materia Medica": "the deficiency of the five internal organs is replenished, the Qi is blocked between the meridians, muscles and bones, and the poisonous gas is released. "

② In the collection of materia medica: "to eliminate the heat, to benefit the watercourse. "

③ New materia medica: "smooth intestines, resolve phlegm. "

④ "Seek the source of Materia Medica": "reduce Qi. "

⑤ "Nanjing folk herbs": "treat food and Qi. "

[usage and dosage] oral administration: decoct soup, 3-5 yuan; or grind powder.

Sun Simiao: "eating for a long time makes a lump.". "

② Meng Shen: "people's feet are weak and can't walk. They can eliminate Yang affairs, shrink jade stems, eat more and make people feel dizzy, their noses are blocked and their eyes are dark. "

③ "Dietotherapy Materia Medica": "cold air people eat more abdominal distension. "

[selection] treatment of intestinal wind and heat toxin: the fern flower is baked as the end, take two money each time, drink rice. (Sheng Hui Fang)

Chinese PinYin : Jue