Sexual taste orientation
Bitter; Slightly cold; A little poisonous. Return to spleen; Stomach meridian.
Efficacy indication
Clearing away heat and toxic materials; Removing blood stasis and stopping bleeding; Insecticide. Used for influenza; Meningitis; Japanese encephalitis; Mumps; Carbuncle, sore, swelling and poison; Measles; Chickenpox; Dysentery; Hematemesis; Bleeding; Bloody stool; Collapse and leakage; Take it down; Pinworm; Tapeworm; Intestinal parasitic diseases such as hookworm.
dosage
Oral administration: decoction, 3-15g; Or pound juice; I still took the pills and dispersed them. External use: appropriate amount, freshly pounded; Or polished and trimmed.
Contraindications to drugs
Use with caution for those with spleen and stomach deficiency and cold. Source of medicinal materials
Source of medicinal materials
It is the rhizome and petiole base of Osmunda japonica .. Compositae.
Selected prescription
⑴ Prevention and treatment of encephalitis: Rhizoma Osmundae 15-30g, Folium Isatidis 15g. Decoct with water. (Hunan Pharmacology)
(2) The diagnosis of measles and chickenpox is incomplete: 3g of Rhizoma Osmundae, 6g of Radix Paeoniae Rubra, 3g of Cimicifuga, 9g of Rhizoma Phragmitis, decocted in water. Character identification (Handbook of Chinese Herbal Medicine in Shandong Province) Cone-shaped, nearly spindle-shaped, spherical or irregularly oblong, slightly curved, blunt at the apex, sometimes branched and pointed at the lower end. Length 10-30cm, diameter 4-8cm. The surface is brown, the petiole base is densely oblique, the fibrous root is black, and there is no scale. Petiole residue is oblate, with a long diameter of 0.7cm and a short diameter of 0.35cm. The back is slightly raised, the edge is blunt and round, and the ear wings are easy to fall off, and most of them are absent or torn. Hard, crescent-shaped or oblate in cross section, hollow, with U-shaped central column visible. The gas is weak and single-minded, and the taste is light and slightly astringent.
Microscopic identification of the cross section of the petiole base: the outermost layer is epidermis, and there are 10 rows of thick-walled cells in the basic tissue; The dividing column is U-shaped, the xylem tracheids are connected into a semi-ring, surrounded by phloem, which is scattered with reddish-brown secretory cells, and the U-shaped concave part has a thick-walled cell array; There is a continuous band of thick-walled cells in the center of the auricle.
Cross section of rhizome: the outer side is thick-walled tissue, with 1 1 split steles arranged in a ring; Vascular bundles are tough, round or rectangular. Other structures are similar to the petiole base.
Physical and chemical identification TLC: take 5g of sample powder, put it in a Shaxhlet extractor, reflux extract it with chloroform for 3 hours, and recover chloroform to 20ml；; In addition, β -desquamation hormone was used as control. Dot on silica gel G plate respectively, and spread with chloroform-methanol (9: 1), with the spreading distance of 15cm. When sprayed with 5% phosphomolybdic acid ethanol solution, the sample showed the same blue spots in the position corresponding to the chromatogram of the control. The processed product of Osmunda japonica spore bud is called Osmunda japonica. Osmunda japonica Thunb is rich in protein, iron, calcium, selenium and other 17 elements needed by human body. Tender, smooth and delicious, nutritious, crisp and lacking in fiber. It can be eaten raw, pickled or dried. It is an excellent tonic and delicious, especially the undeveloped buds.
job operation
(1) Osmunda japonica. Take the original medicinal materials, remove impurities, wash them, fully wet them, cut them into thick pieces or small pieces, and dry them in the air.
⑵ Osmunda japonica Thunb: Take Osmunda japonica Thunb pieces (slices), put them in a pot, stir-fry them with strong fire until the surface is dark brown and the inside is brown, spray a little water to extinguish the sparks, and take them out to cool thoroughly.
Characters of decoction pieces: Osmunda japonica. See "Identification of Medicinal Materials". Osmunda japonica charcoal looks like Osmunda japonica, with black surface and brown inside, which is fragile. Store in a dry container, Osmunda japonica. Use charcoal to cool and prevent re-ignition.
Economic value: Its economic benefit is 4-5 times that of ordinary vegetables. Processed dried Osmunda japonica is a kind of wild vegetable deeply loved by foreign businessmen. Exported to Japan, Southeast Asia and other countries and regions. Known internationally as "dried purple cabbage in China", the export price of a ton of high-quality dried Osmunda japonica is about 654.38 million US dollars (about 83,000 yuan).