Brief introduction of magnolia officinalis
Magnolia Officinalis was first published in Shennong Herbal Classic, and was listed as a national medicine. Li Shizhen said: "Its wood is simple and thick, and its taste is strong and purple, so it is famous for its magnolia bark, fierceness and redness." Magnolia officinalis is also known as "Pu Chuan, Chipu, Liepu, and Magnolia officinalis".
Second, the source of Magnolia Officinalis
The source of Magnolia Officinalis is the dried bark, root bark and branch bark of Magnolia Officinalis or Magnolia Officinalis of Magnoliaceae. 4? Peeling in June, directly drying the root bark and branch bark in the shade; Boil the dried skin in boiling water, pile it in a damp place, steam it until it becomes purple or brown, take it out, roll it into a tube and dry it.
Third, the boots are simple
The dry bark and root bark of Magnolia officinalis are close to the roots, and the upper end is drum-shaped and the lower end is bell-shaped. Because of its boot shape, it is commonly known as "boots". Boots are thick and thin, oily, with purple-brown cross section, strong smell, extremely spicy after chewing, less residue and good quality.
Origin and varieties of Magnolia officinalis
Main producing areas
Pu Shu is cultivated in southwest China, southeast Gansu, southeast Henan, west Hubei, southwest Hunan, Sichuan, northeast Guizhou, northwest Guangxi, Lushan Mountain in Jiangxi, Zhejiang and other places. Loose, humus-rich, neutral or slightly acidic sandy loam and loam are the best planting areas for thick Pu Shu, while sticky and poorly drained soil is not suitable for planting.
Variety category
1, cylindrical park
Dry bark, the main stem, is rolled into a double drum shape after processing, which looks like "Ruyi", so it is also called "Ruyi Rolled Magnolia Officinalis" or "Ruyi Pu". The surface is light brown to dark brown, with thin skin, few surface cracks and longitudinal stripes, and round longitudinal cracked lenticels can be seen; Thick, rough surface, scaly cork, easy to peel off.
2. Genpu
After processing, the root bark is rolled into a single roll or a double roll, which is split and bent like a chicken intestine, so it is also called "chicken intestine Jane". The surface is rough, taupe, with transverse cracks and longitudinal wrinkles. There are fibers exposed at the bifurcation, and the inner surface is dark purple-brown, with obvious longitudinal stripes and branch root marks.
3. Zhipu
It is the skin peeled off from thick branches, and it is in a single roll shape. The surface is slightly rough, grayish brown, with longitudinal wrinkles and spots, and sometimes large holes can be seen. The inner surface is dark purple-brown, smooth, with deep straight stripes, fragile and easily broken. Fiber slice. The smell is the same as that of dry skin, and it remains more after chewing.