Comfrey is the dry origin of Arnebiaeuchroma (Royle) Johnst. or Arnebiaguttata Bunge., a seasonal herb of the household Boraginaceae. It mostly has naphthoquinones and various other components, and also has chemical components such as shikonin, shikonin, shikonane, shikonin, as well as shikonin polysaccharides. It has a lengthy background of medicinal use in my nation. It is mostly utilized in the therapy of damp macule, purpura, hematuria, stranguria and bloody dysentery, warmth knot bowel irregularity, burns, eczema, erysipelas and more. Modern medical research study has found that comfrey has complicated chemical components and also has a wide variety of medicinal impacts such as anti-tumor, anti-bacterial, anti-virus, anti-HIV, anti-fertility, antipyretic, hemostatic, and hypoglycemic.
Today, the comfrey made use of as medical products is primarily: “soft comfrey”, “difficult comfrey”, as well as “Inner Mongolia comfrey”.
1. Soft comfrey: Uneven long round form, commonly twisted, 7-20cm long, 1-2.5 centimeters in size. The surface is purple-red or purple-brown, and also the skin is loose, in the form of strips and flakes, commonly with more than 10 overlapping layers, which are easy to peel. Residues of stems with noticeable branches at the top. Light-weight, soft and also very easy to damage. The section is uneven, the xylem is tiny, yellow-white or yellow. Gas certain, taste slightly bitter, astringent.
2. Hard comfrey: cone-shaped, twisted, branched, 7-14cm long, 1-2cm in size. The surface area is purplish red or purplish black, harsh with longitudinal lines, and also the skin is slim and also very easy to remove. Hard as well as fragile, very easy to damage. The skin part of the section is dark purple, the wood part is larger, grayish yellow. Minor scent, a little bitter taste.
3. Inner Mongolia comfrey: conical or round, twisted, 6-20cm long, 0.5-4cm in diameter. The origin head is a little thick, with 1 or even more deposits at the top, covered with short bristles. The surface area is purplish red or dark purple, the cortex is slightly thin, as well as the continuous layers are piled, very easy to peel. Difficult and weak, simple to damage. The section is reasonably neat, the skin part is purple red, the wood part is smaller sized, yellowish white. Details gas, astringent preference.