Indications: expelling wind and removing dampness, promoting blood circulation and expelling pus, promoting granulation and relieving pain. Can be used for treating headache, toothache, sinusitis, intestinal wind, hemorrhoid leakage, leucorrhea with reddish discharge, carbuncle swelling and ulceration, and skin itching.
Angelica dahurica also has the effect of beauty. Select large, pure white angelica dahurica without mildew spots, take its roots, grind them into very fine powder, mix them into small bottles of ordinary skin care products, and use them fully and evenly, which has a certain whitening effect.
Selection methods and skills of angelica dahurica.
Angelica dahurica is an important Chinese herbal medicine with diverse functions, so how can we buy genuine Angelica dahurica? This requires knowing how to identify angelica dahurica.
The root of Angelica dahurica is conical, with a length of 10-20cm, a diameter of 2-2.5cm, a nearly square or quasi-square, a gray-brown surface, many lenticellate lateral protrusions, a length of 0.5- 1cm, slightly four columns, and concave stem marks at the top. The texture is heavy, the cross section is white powder, the epidermis is densely covered with brown oil spots, and the cambium is brown and nearly square. The smell is fragrant, pungent and slightly bitter.
The root of Angelica dahurica is conical, 7-24 cm long and 1.5-2 cm in diameter. The surface is grayish yellow or yellowish brown, smooth, and the skin is scattered like a transverse protrusion with branch marks. Hard, white and powdery in cross section, with brown oil spots scattered on the skin, forming a round brown layer. It is best to be independent, thick, hard, heavy, pink and fragrant.
Sichuan Angelica dahurica: thicker than Zhejiang Angelica dahurica, but not as obvious as broken Angelica dahurica on four sides. Its surface is yellowish white or light brown. Its wrinkles are obvious, the square section is not as obvious as that of Angelica dahurica in Zhejiang, and it is often annular. The pimple is thicker. The smell is very strong. In the past, the best angelica dahurica was produced in Suining, Sichuan, followed by Tongliang, and other producing areas were different.
Angelica dahurica (Angelica dahurica): It looks like a carrot, round and slender, and its diameter is smaller than the first two. Its surface is smooth, with fewer transverse lenticels (papules), which is less obvious than the first two, light in weight, insufficient in powder and light in aroma.
Observe the cross section of Radix Angelicae Dahuricae under microscope. The cork layer of Angelica dahurica is 10 multi-row cork cells. There are oil pipes in the cortex. The phloem is wide, and the sieve tube groups are slightly radially arranged; There are many oil pipes. The cambium is slightly square. 1/2 with xylem occupying the root, and the catheter is evacuated. Thin-walled thin chest of this product contains starch granules, and some of them contain calcium oxalate clusters. The cambium of Angelica dahurica is round; The xylem accounts for 1/3 of the root, and the vessels are arranged radially.