Brief introduction of Juncus Juncus

Directory 1 Pinyin 2 English Reference 3 Overview 4 Latin names 5 English names 6 other names of Juncus 7 Source and place of origin 8 Plant morphology 9 place of origin 10 collection 16 characteristics 12 taste 13 function indications 14 chemical constituents14 Kloc-0/7 Juncus Pharmacopoeia Standard +07.3 Character 17.4 Identification 17.5 Test 17.5. 1 Moisture 17.5.2 Total Ash 17.6 Extract. 8+0 Processing 17.7. 1 7.7.10.2 Juncus charcoal 17.7.2 Sexual taste and meridian tropism 17.7.3 Function and indications 6500

2 English reference junci medulla, junces munis[ landau Chinese-English dictionary]

Xiangya Medical Dictionary

3 Overview of Juncus Juncus

Juncus is the name of traditional Chinese medicine, which comes from Kaibao Redirected Materia Medica [1]. It is the stem pith of Juncus Juncus [2].

Pharmacopoeia of People's Republic of China (PRC) (20 10 edition) records the pharmacopoeia standard of this Chinese medicine.

4 latin name Juncus (La) (TCM terminology (2004))

5 English name mon rush (TCM terminology (2004))

6 Other names of Juncus Juncus: Juncus Juncus, Juncus Juncus and Gracilaria binata [1].

Wild mat grass, water wick

7 Source and place of origin: Juncus medulla or whole grass [1]. It is distributed all over China, mainly in Jiangsu and Southwest China [1].

Stem pith of Juncus Junceae.

Plant morphology perennial herb with transverse rhizomes and compact fibrous roots. The stems are clustered, with a height of 40 ~ 100 cm and a diameter of1.5 ~ 4 mm. The low-yield leaves are sheath-shaped, reddish-brown or yellowish, which can be as long as 15cm, and the leaves degenerate into thorns. Inflorescence pseudolateral, cymose, flowered, dense or scattered; The involucral bracts are stem-shaped, erect and 5 ~ 20 cm long; The flower is 2 ~ 2.5 mm long, with 6 perianth segments, strip-lanceolate, and the edge is membranous; Stamens 3, rarely 6, about 2/3 of perianth. Capsule oblong, 3-loculed, obtuse or slightly concave at the top, about as long as perianth or slightly pendulous. The seeds are brown. The flowering period is May-June, and the fruiting period is June-July.

Habitat is born on the edge of wetland or swamp.

10 harvesting from late summer to autumn, cutting stems, drying in the sun, and taking stem pith.

The pith of 1 1 is slender and cylindrical, with a length of 90cm and a diameter of 2 ~ 3 mm, and the surface is white or yellowish white with thin longitudinal stripes. Light, soft, slightly elastic, easily broken, white cross section. Odorless and tasteless.

12 tastes sweet, light and slightly cold [1]. Into the heart, lung, small intestine and bladder meridian [1].

The function of 13 is to clear the heart and induce diuresis [1].

1. Treat vexation and insomnia, children's fever, night crying, sores on mouth and tongue, damp-heat jaundice, edema, leaching and dysuria [1]. Decocting: 1 ~ 3g, fresh grass 15 ~ 30g [1].

2. Treat acute laryngitis, burning and dry throat [1]. Rush root: decocted for damp-heat jaundice, beginning with mammary abscess [1].

3. Used for light moxibustion [1]. Commonly known as lighting [1]. It refers to a moxibustion method in which Juncus efflorescence is dipped in oil and directly ignited at acupoints [1]. When operating, take a section of Juncus Juncus, dip it in vegetable oil, light it, aim at the acupoint and burn it quickly. When it burns the skin, you can hear the sound of "slapping" [1]. The frequency of moxibustion should be controlled according to the condition, generally 3-5 times [1]. After moxibustion, keep the local area clean and apply anti-inflammatory ointment to prevent infection [1]. It is suitable for parotitis, infantile convulsion, dyspepsia and hiccup [1].

14 The stem pith contains rush glycoside, tripeptide (cereal-valine-cereal peptide), arabinan, xylan, methyl pentosan, apigenin, luteolin 7 glucoside, etc. [ 1].

Bone marrow contains arabinan (arabinan), xylan (xylan) and methyl pentosan, as well as tannic anhydride (phloroglucinol) and luteolin.

15 pharmacological effects Juncus Juncus has antioxidant and antibacterial effects [1].

Note 16 The stem pith of Hypericum longifolium is also used as medicine for Juncus.

17 The standard of Juncus Juncus Pharmacopoeia is 17. 1.

rush

Juncus medulla

17.2 Source This product is the dried stem pith of Juncus Junceae. Cut the stems from late summer to autumn, dry them in the sun, take out the pith of the stems, straighten them and tie them into sticks.

17.3 properties this product is a thin cylinder with a length of 90cm and a diameter of 0. 1 ~ 0.3 cm. The surface is white or yellowish white with thin longitudinal stripes. Light, soft, slightly elastic, easily broken, white cross section. A slight breath, a faint taste.

17.4 Identification (1) This product is a white powder. They are all stellate parenchyma cells connected by stellate awns to form a large triangular or quadrilateral air cavity. The star-shaped awn is 4 ~ 8,5 ~ 51μ m long and 5 ~ 12 μ m wide, with a slightly thicker wall, some with pits and some with 1 ~ 2 rosary thickening.

(2) Take 65438+0g of this product powder, add 65438+000ml of methanol, heat and reflux for 65438+0h, cool, filter, evaporate the filtrate, wash the residue with 2ml of ether, discard the ether solution, add 65438±0ml of methanol and dissolve it as the test solution. In addition, 65438 0 g of Juncus Juncus control medicinal material was taken, and the control medicinal material solution was prepared by the same method. According to the thin-layer chromatography test (appendix ⅵ b), suck 3 ~ 5 μ l of the test solution and 3μl of the control medicinal material solution, respectively spot them on the same silica gel G thin-layer plate, use cyclohexane ethyl acetate (10: 7) as the developing agent, unfold them, take them out, dry them, and spray them in 10% phosphomolybdic acid ethanol solution. In the chromatogram of the test sample, the main spots with the same color are displayed at the corresponding positions of the chromatogram of the control medicinal materials.

The moisture content of 17.5.1shall not exceed 1 1.0% (appendix ⅸ h first method).

17.5.2 the total ash content shall not exceed 5.0% (appendix ⅸ k).

17.6 Take 0.5g of this product as the extract, and measure it according to the hot dip method under the Determination of Alcohol-Soluble Extracts (Appendix X A), with dilute ethanol as the solvent, which shall not be less than 5.0%.

17.7 Juncus Juncus pieces 17.7. 1 processing 17.7. 1 Juncus Juncus to remove impurities.

17.7. 1.2 wash the rushes with charcoal and make charcoal according to the carbonization method (appendix Ⅱ d).

This product is a thin cylindrical section. The surface is black. Light and brittle. A slight breath, a slightly astringent taste.

17.7.2 Sexual taste and channel tropism are sweet, light and slightly cold. Meridian of heart, lung and small intestine.

17.7.3 Functions and indications: clearing away heart fire and facilitating urination. Used for vexation, insomnia, short and red urine, astringent pain, and sores on the mouth and tongue.

17.7.4 Usage and dosage 1 ~ 3g.

17.7.5 Store in a dry place.

17.8 Source