Radix Isatidis Root Blue Root
Scientific name: Isatisindigotica
Aliases: é› Root, Blue é› Root
Family: Cruciferous biennial herb
Morphological characteristics:
Radix is ​​mainly rooted, with a length of 20 cm to 50 cm, a diameter of 0.5 cm to 2 cm, and a pale yellowish brown skin. Stems erect, 40 cm to 90 cm tall, with many branches above. Leaves alternate, base leaves larger, stipitate, leaf blade oblong-ovate, stem leaves oblong to oblong-lanceolate, 3.5 cm to 11 cm long. Broad racemes, flowers small, 3 mm to 4 mm in diameter, petals 4, yellow. Cape oblong, flattened, margin winged, seeds 1. Flowering May, fruiting June.
Origin:
Native to south-central China, Shaanxi has wild.
Hebei, Shanxi, Inner Mongolia, Jiangsu, Anhui, Zhejiang, Shandong, Henan, Hubei, Shaanxi, Gansu and other more than 20 provinces and regions have production, acquisitions.
It mainly produces Anhui Linquan, Taihe, Jieshou, Lixin, Jixian, Guoyang, Weinan, Suxian, and Hebei Shenze, Boye, Anguo, Dingxian, Yuanshi and other counties.
Among them, the output in Anhui is the largest, accounting for about 40% of the country's total output; followed by Hebei, accounting for about 15%. All other places are mostly self-produced and sold.
The Amaranthaceae plant Malaria Strobilanthescusia (Nees) O.Ktze. is distributed in some provinces in the south, and it is cultivated and also used as Banlangen. Banlangen production cycle is short, easy to adjust, supply and demand has been relatively stable.
Growth habits:
Radix is ​​very adaptable and can be grown in general soil. Impatient, happy, you can even make.
Cultivation method:
With seed propagation, spring sowing or summer sowing can be carried out. The seeding rate per acre is 5-6 pounds. Spring sowing is carried out during the period from Qingming to Guyu. Firstly, draw a ditch with a spacing of 6-8 inches to ditch the half-inch deep groove on the entire surface of the seedling. Then spread the seed evenly and cover it with water. During the spring solstice, the method was broadcast in the same spring.
Harvesting: Excavation in early winter, remove stems and leaves, wash and dry.
Radix isoflavones contains glycosides, β-sitosterol, eosine, indomethacin, propanol, butanin, plant proteins, and various amino acids. Bitter, cold.
use:
Can be used as a flower in the city.
The root medicine is Banlangen, and the leaf medicine is Daqingye. Roots and leaves have detoxification and cooling effect.
For fever, fever, cold, throat swelling, pneumonia, mumps and so on.
Radix Isatidis Granules is mainly composed of Radix Isatidis, which has been documented as early as the Tang Dynasty.
Modern pharmacological tests have shown that polysaccharides contained in Isatis indigotica significantly improve the animal's immune capacity, and the Indirubin-containing ingredients have the effect of destroying leukemic cells, and Banlangen also has a clear antibacterial and antiviral effect. The aqueous extracts against a variety of pathogenic bacteria such as Bacillus subtilis, Staphylococcus aureus, Bacillus crocea, Escherichia coli, Salmonella typhi, Paratyphoid bacillus, He Zhishi and Shigella flexneri, Enterobacteriaceae and A-streptococcus Both have inhibitory effects and are good medicines for the treatment of diseases such as febrile diseases and fevers. At present, there are two types of Radix isatidis granules produced by Tong Ren Tang: no sugar or sugar.
Indications:
Viral influenza, tonsillitis, epidemic parotitis, prevention of hepatitis, pediatric measles.
Usage and dosage: Oral, once 5g, 4 times a day.
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