Contents 1 Pinyin 2 English reference 3 Overview 4 Latin name 5 English name 6 Alias ??of rush 7 Source and origin 8 Plant form 9 Habitat 10 Collection and preparation 11 Character 12 Nature and flavor 13 Function and indication 14 Chemical composition 15 The characteristics of rush Pharmacological effects 16 Notes 17 Pharmacopoeia standards of rush 17.1 Product name 17.2 Source 17.3 Characteristics 17.4 Identification 17.5 Inspection 17.5.1 Moisture content 17.5.2 Total ash content 17.6 Extract 17.7 Rush rush pieces 17.7.1 Processing 17.7.1.1 Rush 17.7.1.2 Rush charcoal 17 .7.2 Nature, flavor and meridians 17.7.3 Functions and indications 17.7.4 Usage and dosage 17.7.5 Storage 17.8 Source 18 References attached: 1 Prescriptions using the traditional Chinese medicine rush 2 Chinese patent medicines using the traditional Chinese medicine rush 3 Rush in ancient books 1 Pinyin
dēng xīn cǎo 2 English reference
junci medulla, Juncus munis [Landau Chinese-English Dictionary]
mon rush stem pith [Xiangya Medical Professional Dictionary] 3 Overview
Rush
Rush is the name of a Chinese medicine, which comes from "Kaibao Zhongding Materia Medica" [1]. It is the dried stem pith of Juncus effuses L., a plant in the rush family [2].
"The Pharmacopoeia of the People's Republic of China and the People's Republic of China" (2010 edition) records the pharmacopoeia standards of this traditional Chinese medicine. 4 Latin name
Medulla Junci (La) ("Traditional Chinese Medicine Terminology (2004)") 5 English name
mon rush ("Traditional Chinese Medicine Terminology (2004)") 6 Rush Alias
Rush, rush grass, asparagus grass [1].
Wild mat grass and water rush. 7 Source and production area
Juncus effusus L. stem pith or whole plant[1]. It is distributed throughout my country, mainly produced in Jiangsu and southwest regions [1].
The stem pith of Juncus effusus L., a plant in the family Juncus. 8 Plant form
Perennial herb with horizontal rhizomes and dense fibrous roots. The stems are clustered, 40-100cm high and 1.5-4mm in diameter. The leaf sheath is low, reddish brown or light yellow, up to 15cm long, and the leaves are degenerated into awn shapes. The inflorescence is pseudolateral, cyme-shaped, with many flowers, dense or scattered; the involucral bracts are like extensions of the stem, upright, 5-20cm long; the flowers are 2-2.5mm long, with 6 tepals, strip-lanceolate, and edges. Membranous; stamens 3, rarely 6, about 2/3 of perianth length. Capsule oblong, 3-chambered, apex blunt or slightly concave, about as long as the perianth or slightly hanging down. Seeds brown. The flowering period is from May to June, and the fruiting period is from June to July. 9 Habitat
Born in wetlands or swamps. 10 Harvesting and processing
Cut the stems from late summer to autumn, dry them in the sun, and take the pith of the stems. 11 Characteristics
The pith is slender and cylindrical, up to 90cm in length and 2 to 3mm in diameter. The surface is white or light yellowish white with fine vertical lines. It is light, soft, slightly elastic, easy to break, and has a white cross-section. Odorless and tasteless. 12 Nature and flavor
Sweet, bland, slightly cold [1]. Enters the heart, lungs, small intestine, and bladder meridians [1]. 13 Functional Indications
Clearing the heart and diuresis[1].
1. Treat restlessness and insomnia, tremors and fever in children, crying at night, mouth and tongue sores, damp-heat jaundice, edema, stranguria, and difficulty in urination [1]. Decoction: 1~3g, fresh grass 15~30g[1].
2. To treat acute laryngitis, burning and persistent nature, grind it into powder and blow the throat [1]. Rush root: decoct and take to treat damp-heat jaundice and early onset of mastitis [1].
3. Used for light moxibustion [1]. Commonly known as lighting up the lights[1]. It refers to a moxibustion method that uses lamp grass dipped in oil to burn fire and burn it directly on acupuncture points [1]. During the operation, take a piece of rush, dip it in vegetable oil, ignite it, and quickly burn the moxibustion on the acupuncture point. When the burn reaches the skin, you can hear a "slapping" sound [1]. The number of moxibustion treatments is determined according to the needs of the condition, usually 3 to 5 times [1]. After moxibustion, the area should be kept clean and anti-inflammatory ointment should be applied to prevent infection [1]. It is suitable for mumps, convulsions in children, indigestion in children, hiccups and other diseases [1]. 14 Chemical composition
Stem pith contains rushosin, tripeptide (glutamine-valerate-glutamine), arabinan, xylan, methylpentanan, apigenin, luteolin 7-glucoside etc.[1].
The pith contains araban, xylan, methyl pentosan, and also contains phlobaphene and luteolin. 15 Pharmacological effects
Rushes have antioxidant and antimicrobial effects [1]. 16 Notes
The stem pith of J.leschenautii Gay ex Laharpe is also used as rush. 17 Pharmacopoeia Standards for Juncus 17.1 Product Name
Juncus
Dengxincao
JUNCI MEDULLA 17.2 Source
This product is Juncus effusus, a plant in the family Juncus. Dried stem pith of L. Cut the stems from late summer to autumn, dry them in the sun, take out the stem pith, straighten them and tie them into small handfuls. 17.3 Properties
This product is thin cylindrical, 90cm long and 0.1~0.3cm in diameter. The surface is white or light yellowish white with fine vertical lines. It is light, soft, slightly elastic, easy to break, and has a white cross-section. The smell is slight and the taste is light. 17.4 Identification
(1) The powder of this product is off-white. All are stellate parenchyma cells, connected with each other by starbursts, forming large triangular or quadrilateral air cavities, with 4 to 8 starbursts, 5 to 51 μm long, 5 to 12 μm wide, with slightly thicker walls, and small holes can be seen in some. , the wall where the stars connect is thin, and 1 to 2 beads-like thickening can be seen in some cases.
(2) Take 1g of this product powder, add 100ml of methanol, heat to reflux for 1 hour, let cool, filter, evaporate the filtrate, wash the residue with 2ml of diethyl ether, discard the diethyl ether liquid, add 1ml of methanol. Dissolve and use as test solution. Take another 1g of rush rush control medicinal material and prepare the reference medicinal material solution in the same way. According to the thin layer chromatography (Appendix VIB) test, take 3 to 5 μl of the test solution and 3 μl of the control medicinal solution, and place them on the same silica gel G thin layer plate respectively, using cyclohexane ethyl acetate (10:7) as the unfolding agent. Spray the agent, unfold it, take it out, dry it, spray it with 10% phosphomolybdic acid ethanol solution, and heat it at 105°C until the spots appear clear. In the chromatogram of the test product, the main spot of the same color appears at the position corresponding to the chromatogram of the control medicinal material. 17.5 Inspection 17.5.1 Moisture content
shall not exceed 11.0% (Appendix IXH Method 1). 17.5.2 Total ash content
shall not exceed 5.0% (Appendix IXK). 17.6 Leaching substance
Take 0.5g of this product and measure it according to the hot soak method under the alcohol-soluble leachable determination method (Appendix X A), using dilute ethanol as the solvent, not less than 5.0%. 17.7 Rush pieces 17.7.1 Processing 17.7.1.1 Rush
Remove impurities and cut into sections. 17.7.1.2 Rush charcoal
Take clean rushes and make charcoal according to the charcoal calcining method (Appendix II D).
This product is in the form of thin cylindrical segments. Surface black. Light body, crispy and brittle. The smell is slight and the taste is slightly astringent.
17.7.2 Nature, flavor and meridians
Sweet, bland, slightly cold. Guixin, lung, small intestine meridian. 17.7.3 Functions and indications
Clears heart fire and facilitates urination. Used for upset and insomnia, oliguria, astringent pain, and sores on the mouth and tongue. 17.7.4 Usage and dosage
1~3g. 17.7.5 Storage
Store in a dry place. 17.8 Source