Fine Xin, also known as fine ginseng, tobacco bag pot flower, Liao fine Xin, Northeast fine Xin, Hua fine Xin, Shao Xin, soil leper spider incense, potted grass fine Xin. It is a perennial herbaceous plant of the family Aristolochiaceae. It is mainly produced in Jilin, Liaoning and Heilongjiang provinces in China. It is also found in Shaanxi, Henan, Hubei, Hunan, Sichuan and other provinces in East China. It is distributed in Russia and Japan. Asarium grows in the shady humus soil of understory and ravines at an altitude of 1200-2100 meters. The fine pungent is named because of the thin roots and pungent taste. In addition to the wild, it has been cultivated artificially.
The height of the plant is 10-30 cm. The roots are elongated. The rhizome is columnar and long, erect or transverse, with multiple fibrous roots. Leaves basal, with long stalks, ** 2-3 leaves per plant, leaves ovate-heart-shaped, apex acutely acute, base deeply heart-shaped, round-eared on both sides, entire. The flowers are purple-brown and shaped like a cigarette pouch pot. False berries, hemispherical, brownish-yellow. The seeds are numerous, ovate-conical, grayish-brown, nearly smooth, with a hard seed coat and covered with a black, fleshy aril.
Fine pungent likes cold, shade and dampness, cold resistance, fear of high temperatures, drought tolerance, and fear of strong light. It is advisable to use loose, fertile, humus-rich loam or sandy loam. The life span of Asarium seeds is short, and the emergence rate of fresh seeds can reach more than 90%, and they lose their germination ability once they are dried. Propagation method: seed propagation, root propagation. The flowering period is in May, the fruiting period is in June, and the flowering and fruiting period varies according to different latitudes.
As a medicinal plant, Asarium was first published in the "Shennong's Materia Medica". It is recorded in many Chinese medicine works such as "Don't Say Materia Medica", "Materia Medica", "Debei Materia Medica" and so on.
Asarum is used as a medicine by roots and rhizomes. Its taste is pungent, warm, and slightly poisonous, and it belongs to the lungs, heart, and kidneys.
It has the effect of dispelling wind and cold, relieving pain, and warming the lungs. It is suitable for cold, headache, rheumatism, abdominal pain, toothache, phlegm, wheezing and coughing, nasal congestion and other symptoms. The use of asaroxin should be carried out under the guidance of a doctor.
Modern research has confirmed that asaroxin contains lignan components and volatile oils, and has many health care effects: such as antipyretic, sedative, analgesic, asthmatic, expectorant, anti-inflammatory, immune, improve the body's metabolic function, cardiotonic, anti-myocardial ischemia, antibacterial, antiviral, etc.
In addition, the asaroxin also has important economic value: 1. The prepared essential oil can be used in cosmetics, medicine and other industries; 2. Asarum extract can be widely used in the manufacture of daily health care products, such as soap, cosmetics, toothpaste, etc.; 3. Asarum can be used to make veterinary drugs; 4. Asaroxin can be used to manufacture agricultural insecticides and fungicides; 5. The fine pungent volatile oil with special aromatic smell can be used to make mosquito-repellent and insect-repellent building materials.
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