Angelica dahurica root
[Alias] Angelica dahurica, Angelica sinensis. It is the root of Angelica dahurica in Umbelliferae.
[growing habit]
Angelica dahurica likes warm and humid, sunshine, high temperature, cold resistance and strong adaptability. North China Plain, the main producing area, has a semi-humid and semi-arid continental monsoon climate, which is characterized by cold winter and little snow, windy spring, hot and rainy summer and crisp autumn. The plain in the middle and lower reaches of the Yangtze River and the Sichuan Basin belong to the subtropical humid monsoon climate, with the characteristics of warm and humid and distinct seasons. Most of them are between 50 and 500 meters above sea level and should grow in sandy loam with flat terrain, deep soil layer, fertile soil, loose texture and good drainage.
[place of origin]
Angelica dahurica is distributed in Heilongjiang, Jilin, Liaoning, Hebei, Shanxi, Inner Mongolia and other places. There are many cultivations in the north of China. Location: Yuxian, Changge, Xuchang, Yanling, Mengxian, Qinyang, Aibo, Zhecheng, Shangqiu and Suixian. Hebei Anguo, Dingzhou, Shenze, Wanquan, Jinxian, Gaocheng, Xingtai, Yuanshi County, Yongnian, Wanxian County and Huolu; Shandong Juxian, Dingtao, Jinan, Qufu; Gaixian and Haicheng in Liaoning.
Angelica dahurica is wild in Fujian and Taiwan Province provinces. There are many cultivations in the south of China. Location: Yuhang, Yongkang, Jinyun and Xiangshan, Zhejiang. Hunan Chaling, Pingjiang, Cili, Anren and Lianyuan; Sichuan Suining, Daxian, Anyue, Yilong, Chongqing, Zhongxian, Naxi, Shehong, Yuechi and Pingchang; Zunyi, Xishui, Maize, Ping Huang; Qichun, Ezhou, Lichuan and Xiangyang in Hubei; Yunnan Eryuan, Midu, Kunming, Yao 'an; Shaanxi Hanzhong, Weinan, Chenggu.
Angelica dahurica produced in Yuxian, Changge and other places in Henan Province is called Henan Angelica dahurica; Angelica dahurica is produced in Anguo, Dingzhou and other places in Hebei Province, commonly known as Angelica dahurica. The above areas have large output and good quality, and are the main producing areas of genuine medicinal material Angelica dahurica. Hangzhou angelica dahurica produced in Yuhang, Yongkang and other places in Zhejiang is called Zhejiang angelica dahurica, and Sichuan angelica dahurica produced in Suining and Daxian in Sichuan is called Sichuan angelica dahurica. It is the main producing area of angelica dahurica in Hangzhou, with large output and good quality.
Angelica dahurica is mainly produced in Sichuan, Hebei, Henan and Zhejiang, which are the four historical producing areas of Angelica dahurica. According to different producing areas, they are also called Sichuan Angelica, Qi Angelica, Chongqing Angelica and Hangzhou Angelica. Angelica dahurica is mainly produced in Suining, Anyue, Nanchuan and Daxian, Sichuan. In normal years, the total output of Sichuan is 4,000 tons, among which the annual output of Angelica dahurica in Suining, known as the hometown of Angelica dahurica in Sichuan, is about 2,300-2,500 tons, with the largest output and the best quality. It is an authentic medicinal material, which is not only sold in China, but also exported.
[Production season and production situation]
After sowing, Angelica dahurica will emerge in about 10- 15 days under suitable temperature and humidity conditions. The seedlings grow slowly at the initial stage, and the plants develop most vigorously in April-May of the following year. Roots grow fastest from late April to June; After July, the plants gradually turned yellow and died, and the roots had grown out. In late August, the weather turned cold and new leaves were born. In the third year, the plants begin bolting in April, blossom from late May to early June, and the seeds mature from late June to July. The seed germination rate is 70-80%, and the seed germination rate is low or even does not germinate in the second year.
Humidity is the best requirement of angelica dahurica for water. Fear of drought throughout the growing period. Lack of water after sowing affects seedling emergence, and drought at seedling stage is easy to cause seedling shortage, but it needs more water during vegetative growth period, and the roots are easy to rot if the field is too wet or waterlogged. In the late growth stage, the taproot is lignified or branched due to water shortage.
The harvest time of Angelica dahurica varies with the origin and sowing date. Spring sowing, Hebei after one thousand years. Henan harvested before and after the first frost. Autumn sowing, Sichuan broadcasts small parts to most parts in the second year. Zhejiang begins in summer and autumn. Henan is hot to the dew in summer. Hebei is harvested when the leaves turn yellow or the stems and leaves wither before and after planting. The harvest is too early, the plants are still growing, and the roots are not powdery enough. Harvest too late, easy to germinate, affect quality, poor root powder. When harvesting, choose sunny days, first cut off the above-ground part, then dig out the whole root and shake off the soil.
[Functions and indications]
Angelica dahurica is pungent and warm. Stomach, large intestine and lung meridians. Has the effects of expelling pathogenic wind, removing dampness, inducing resuscitation, relieving pain, reducing swelling and expelling pus. Used for common cold, headache, brow bone pain, nasal congestion, sinusitis, toothache, leucorrhea and sores.