2 English reference cogongrass rhizome [Xiangya medical dictionary]
3. It is concluded that Imperata Thunb is the name of traditional Chinese medicine, which comes from Notes on Materia Medica [1]. Major cogongrass rhizome (nice) C.E. Hubb [2]. cogongrass rhizome is a long cylinder with a length of 30 ~ 60 cm and a diameter of 0.2 ~ 0.4 cm. The surface is yellowish white or light yellow, slightly shiny, with longitudinal wrinkles. Nodules are obvious and slightly prominent. Nodules vary in length, generally1.5 ~ 3cm long. Light weight, slightly brittle, with white skin and many cracks on the cross section, radially arranged, light yellow column, easy to peel off from the skin. Slight breath, slightly sweet taste. The surface of cogongrass rhizome charcoal is brown and slightly astringent [2].
Grass root is sweet and cold [2][ 1]. Into the lung, stomach and bladder meridian [2][ 1]. Cogongrass rhizome has the functions of cooling blood, stopping bleeding, clearing heat and diuresis [2]. Indications are fever, polydipsia, vomiting due to stomach heat, cough due to lung heat, hematemesis due to blood heat, epistaxis, hemoptysis, hematuria, edema due to acute nephritis, oliguria, jaundice due to damp heat, and stranguria due to heat. Grass roots are good at cooling blood, clearing heat and diuresis [2]. It is often used for blood-heat rash, heat stranguria, dysuria, edema, damp-heat jaundice, excess heat, polydipsia, stomach-heat vomiting, lung-heat cough and other bleeding syndromes [2]. Hemorrhage syndrome caused by excessive blood heat can be treated with large doses of decoction, especially for hematuria, which can play a dual role in diuresis and hemostasis [2]. Cogongrass rhizome is charcoal, with astringent taste and weakened coldness [2]. The effect of clearing heat and cooling blood is slight, and the hemostatic effect is enhanced. It is specially used for bleeding syndrome and tends to converge to stop bleeding, and is often used for patients with acute bleeding syndrome [2].
Pharmacopoeia of People's Republic of China (PRC) (20 10 edition) records the pharmacopoeia standard of this Chinese medicine.
Latin scientific name of cogongrass rhizome (terminology of traditional Chinese medicine (2004))
5 English name cogon grass rhizograph (Chinese Medicine Terminology (2004))
6 Allium cogongrass alias: cogongrass rhizome, dijian, dijiegen, cogongrass rhizome and silk root [1].
7. The recipe of imperata rhizome adopts the famous imperata rhizome, imperata rhizome and imperata rhizome charcoal.
Cogongrass rhizome is the source of cogongrass rhizome. Major (Nice) C.E. Hubb [2].
9 Maogen is produced all over the country [1].
10 reed root harvesting and primary processing are carried out in spring and autumn, removing aerial parts and soil, washing, drying, removing fibrous roots and membranous leaf sheaths, and bundling them into small bundles [2].
Pharmacognostic characteristics of 1 1 cogongrass rhizome is a long cylinder with a length of 30-60 cm and a diameter of 0.2-0.4 cm. The surface is yellowish white or light yellow, slightly shiny, with longitudinal wrinkles. Nodules are obvious and slightly prominent. Nodules vary in length, generally1.5 ~ 3cm long. Light weight, slightly brittle, with white skin and many cracks on the cross section, radially arranged, light yellow column, easy to peel off from the skin. Slight breath, slightly sweet taste. (People's Republic of China (PRC) Pharmacopoeia (20 10 Edition))
12 The processing methods of Rhizoma Imperatae in Yuan Dynasty include honey frying (health treasures) and ash burning (ten medicinal plants).
In the Ming Dynasty, there were several methods, such as stir-frying jujube (Puji recipe), honey stir-frying (Lufu forbidden recipe) and mashing juice (authentic technique) [2].
In the Qing dynasty, there was a method of frying the black ("Medical Zong Jin Jian") [2].
Now the main processing methods are fried charcoal [2].
12. 1 processing method of lalang grass rhizome 12. 1. 1 lalang grass rhizome takes the original medicinal materials, moistens them slightly, cuts them into sections, dries them, and screens off impurities [2].
12.10.2 lalang grass rhizome charcoal Take lalang grass rhizome, put it in a frying container, heat it with medium fire, fry it until the surface is brown and the inside is yellow, spray a little water, extinguish all sparks, take it out and dry it [2].
12.2 The finished product is characterized by a short cylindrical section [2]. The surface is yellowish white or yellowish, slightly shiny, with longitudinal wrinkles, obvious nodules and yellowish brown [2]. The center of the cutting surface is yellow with a small hole [2]. Light weight, slightly brittle [2]. Taste slightly sweet [2].
The surface of cogongrass rhizome charcoal is brown and slightly astringent [2].
12.3 processing efficacy raw cogongrass rhizome is good at cooling blood, clearing heat and diuresis [2]. It is often used for blood-heat rash, heat stranguria, dysuria, edema, damp-heat jaundice, excess heat, polydipsia, stomach-heat vomiting, lung-heat cough and other bleeding syndromes [2]. Hemorrhage syndrome caused by excessive blood heat can be treated with large doses of decoction, especially for hematuria, which can play a dual role in diuresis and hemostasis [2]. For example, cogongrass root drink (the secret recipe of foreign Taiwan) for treating qi deficiency, blood heat and hematuria; Imperata rhizome powder (Taiping Shenghui recipe) for treating fever, vomiting and inedible food; Acute nephritis prescription for treating acute nephritis edema (clinical application of traditional Chinese medicine) [2].
Cogongrass rhizome is charcoal, with astringent taste and weakened coldness [2]. The effect of clearing heat and cooling blood is slight, and the hemostatic effect is enhanced. It is specially used for bleeding syndrome and tends to converge to stop bleeding, and is often used for patients with acute bleeding syndrome [2]. Such as Shi Hui San ("Ten Medicine Shenshu") [2].
Cogongrass rhizome contains soluble calcium, triterpenoids, sugars (about 65438 08.8%) and various potassium salts, and its diuretic effect may be related to various potassium salts [2]. Animal experiments show that the hemostatic effect after charcoal frying is stronger than that of raw products, and the bleeding time and coagulation time are shorter than those before charcoal frying [2]. Someone used orthogonal test to optimize the processing technology of cogongrass rhizome charcoal. The results showed that the best processing technology of cogongrass rhizome charcoal was 65438 070℃ and the baking time was 65438 06 minutes [2].
12.5 storage method: store in a dry container [2]. The cogongrass rhizome charcoal is sealed and placed in a ventilated and dry place [2].
13 cogongrass rhizome tastes sweet and cold [2][ 1]. Into the lung, stomach and bladder meridian [2][ 1].
14 efficacy and indications lalang grass rhizome has the functions of cooling blood, stopping bleeding, clearing heat and diuresis [2].
Indications: fever, polydipsia, vomiting due to stomach heat, cough due to lung heat, hematemesis, epistaxis, hemoptysis, hematuria, acute nephritis edema and jaundice [1].
Used for hematemesis, epistaxis, hematuria, fever, polydipsia, damp-heat jaundice, edema, oliguria, and heat stranguria [3].
Grass roots are good at cooling blood, clearing heat and diuresis [2]. It is often used for blood-heat rash, heat stranguria, dysuria, edema, damp-heat jaundice, excess heat, polydipsia, stomach-heat vomiting, lung-heat cough and other bleeding syndromes [2]. Hemorrhage syndrome caused by excessive blood heat can be treated with large doses of decoction, especially for hematuria, which can play a dual role in diuresis and hemostasis [2]. For example, cogongrass root drink (the secret recipe of foreign Taiwan) for treating qi deficiency, blood heat and hematuria; Imperata rhizome powder (Taiping Shenghui recipe) for treating fever, vomiting and inedible food; Acute nephritis prescription for treating acute nephritis edema (clinical application of traditional Chinese medicine) [2].
Cogongrass rhizome is charcoal, with astringent taste and weakened coldness [2]. The effect of clearing heat and cooling blood is slight, and the hemostatic effect is enhanced. It is specially used for bleeding syndrome and tends to converge to stop bleeding, and is often used for patients with acute bleeding syndrome [2]. Such as Shi Hui San ("Ten Medicine Shenshu") [2].
Imperata rhizome is a hemostatic commonly used in ophthalmology, which has the functions of cooling blood, stopping bleeding, clearing heat and diuresis. It is used for all kinds of bleeding inside and outside eyes caused by blood-heat rash, especially for pupil congestion. Can be used alone or in combination with Herba et Gemma Agrimoniae and Pollen Typhae.
15 cogongrass rhizome usage and dosage: 15 ~ 30g (fresh 60 ~ 15~30g) [1].
16 imperata rhizome contains imperatorin, imperatorin A and B, a large amount of sucrose, glucose, potassium salt and a small amount of oxalic acid and citric acid [1]. The rhizome contains coixenol [1].
Grass roots contain soluble calcium, triterpenoids, sugars (about 18.8%) and various potassium salts [2].
17 the pharmacological action of cogongrass rhizome contains coixenol, which has sedative, analgesic and antipyretic effects in animal experiments, and also has inhibitory effect on skeletal muscle [1].
The diuretic effect of cogongrass rhizome may be related to various potassium salts [2]. Animal experiments show that the hemostatic effect after charcoal frying is stronger than that of raw products, and the bleeding time and coagulation time are shorter than those before charcoal frying [2].
18 cogongrass rhizome pharmacopoeia standard 18. 1 named cogongrass rhizome.
Baimaogen
cogongrass rhizome
18.2 source this product is the dried rhizome of the herbaceous plant imperata. Digging in spring and autumn, washing, drying in the sun, removing fibrous roots and membranous leaf sheaths, and bundling.
18.3 properties this product is a long cylinder with a length of 30 ~ 60 cm and a diameter of 0.2 ~ 0.4 cm. The surface is yellowish white or light yellow, slightly shiny, with longitudinal wrinkles. Nodules are obvious and slightly prominent. Nodules vary in length, generally1.5 ~ 3cm long. Light weight, slightly brittle, with white skin and many cracks on the cross section, radially arranged, light yellow column, easy to peel off from the skin. Slight breath, slightly sweet taste.
18.4 Identification (1) Cross section of this product: epidermal cells are 1 row, square-like, small in shape, and some contain siliceous blocks. Subcutaneous fiber 1 ~ 3 rows, wall thickness, lignification. The cortex is broad, the vascular bundle of veins is above 10, the external toughness is limited, and there are often cracks beside it; The inner wall of endodermis cells is thickened, and some cells contain silicon shoes. There are many limited external tough vascular bundles scattered in the stele, and the vascular sheath fibers are arranged in a ring and lignified, and the external vascular bundles are connected with the fibers into a ring. The center is often empty.
The powder is yellow and white. Epidermal cells are arranged in parallel, and each longitudinal row is often composed of/kloc-0 long cells and 2 short cells, and the long cell wall is wavy. The cells in the endodermis are rectangular, with one side wall thickened, obvious stripes and wall holes, and siliceous blocks on the wall. The fibers of the lower skin are thick and lignified, usually with transverse septa.
(2) Take 65438 0 g of this product powder, add 20ml of ether, perform ultrasonic treatment for 65438 00 minutes, filter, evaporate the filtrate, and dissolve the residue with 65438±0ml of ether as the test solution. In addition, taking 65438+/-0g cogongrass rhizome as the control medicinal material, the control medicinal material solution was prepared by the same method. According to the thin-layer chromatography test (Appendix ⅵ b), absorb 65438 00μ l of each of the above two solutions, respectively spot them on the same silica gel G thin-layer plate, develop them with dichloromethane as developing agent, take them out, dry them, spray them with 65438 00% sulfuric acid ethanol solution, and heat them at 65438 005℃ until the spots are clear. In the chromatogram of the test sample, the spots with the same color appear at the positions corresponding to the chromatogram of the control medicinal materials.
18.5 check that the moisture content shall not exceed 12.0% (appendix ⅸ H first method).
The total ash content of 18.5. 1 shall not exceed 5.0% (appendix ⅸ k).
18.6 according to the hot dip method under the determination method of water-soluble extract (appendix X A), the content of the extract shall not be less than 24.0%.
18.7 Rhizoma Phragmitis pieces 18.7. 1 processing 18.7. 1 Rhizoma Phragmitis washed, slightly moistened, cut into sections, dried, and removed impurities.
This product is a cylindrical section. The skin is yellowish white or yellowish, slightly shiny, with longitudinal wrinkles, and some slightly raised nodules can be seen. The cut skin is white, with many cracks and radial arrangement, and the central column is yellowish or hollow, which is easy to peel off from the skin. Slight breath, slightly sweet taste.
The extract of 18.7. 1. 1 is the same as the medicinal materials, and shall not be less than 28.0%.
18.7.1.1.2 Identification and inspection of the same medicinal materials.
18.7.10.2 Charcoal-fried cogongrass rhizome, and stir-fry until brown according to carbonization method (Appendix II D).
This product is shaped like grass roots, with dark brown to black surface, longitudinal wrinkles, and some light brown slightly raised nodules. Slightly burnt and bitter.
The extract of18.7.1.2.1is the same as that of medicinal materials, and shall not be less than 7.0%.
18.7.2 identify (2) the same medicinal materials.
18.7.3 Sexual taste and sweet and cold meridian tropism. Enter lung, stomach and bladder meridian.
18.7.4 Functions and indications: cooling blood, stopping dish, clearing heat and inducing diuresis. Used for hematemesis, epistaxis, hematuria, fever, polydipsia, damp-heat jaundice, edema, oliguria, and heat stranguria.
18.7.5 Usage and dosage 9 ~ 30g.
18.7.6 Store in a dry place.
18.8 Source