Plant organs containing biologically active substances that have a positive effect on the human body are used in the treatment. Roots, leaves, bark, flowers, fruits and other parts of plants are usually used as medicinal products. The resin-juice extracted from the root of the ferula plant is used in medicine.

Ferula belongs to the family Apiaceae (Umbliferae) and consists of perennial herbs. There are more than 160 species of carpet on earth, 104 species in Central Asian republics, and more than 50 species in Uzbekistan. Depending on the different types of rugs, local residents call them by the names of sassik rug, rova, ravshak, kamal, morcha kamal and other names.

10 species are mainly used to obtain resin-glue, these are sassik koravgi, rova, kuhiston kavragi and other names, these species are very similar to each other in external morphology, but in nature, sassik koravgi (Ferula assa-foetida) is widely distributed. and the resin-glue produced and delivered to consumers in our republic is mainly obtained from this type.

The height of the carpet is up to 1.5-2 meters, the root is up to 15-20 cm thick, it is located in a beet-like pit. The stem of the plant grows and blooms once every 8-9 years - monocarp. The stem is erect, thick, hollow, branched in the upper part. Root leaves are sessile, divided three times. The leaves are oblong or lanceolate. The leaves on the stem are smaller, the outside is covered with a lot of hairs, and they are arranged in a row with the sheath of the stem. The flowers are clustered in a complex canopy. The flower is light yellow, without a calyx, 5 petals, 5 petals, two-digit maternal node, located below. The fruit is a two-lobed grain.

It blooms in March-April, the fruit ripens in April-May. The above-ground parts of the plant live for 1.5-2 months, depending on the growing environment and weather conditions.

Species belonging to the genus Kovrak are widespread in the Caucasus, Central Asian republics, Western Siberia, the Mediterranean region, Iran, Afghanistan, Pakistan, China, and India. Sandy deserts and hills in the regions of Tashkent, Surkhandarya, Kashkadarya, Samarkand, Jizzakh, Navoi, Bukhara, and the Republic of Karakalpakstan. , grows in mountains and foothills, in pure soil.

The omposition of glue-resin used in medicine consists of essential oils, organic sulfides, pinene, coumarins, and other compounds that give it a garlic smell.

In folk medicine, cow resin is used for the treatment of varicose veins, pulmonary tuberculosis, plague, wounds, whooping cough, toothache, nerves and other diseases, as well as as a tonic, expectorant and anthelmintic.

Very young branches of the kovarak are chopped and made into curd to treat dangerous swellings and wounds. Alcohol tincture of glue-resin, emulsion and pills are used for asthma, vascular spasms and nervous diseases. In scientific medicine, carpet glue-resin under the name of "assa foetida" is used as a powder, emulsion and alcohol tincture (nastayoka), as well as pain reliever and sedative and is included in the pharmacopoeia of many countries. From the Eastern countries, in Iran, Pakistan, India and Afghanistan, carpet glue and roots are used as a spice in cooking, and in the cosmetics industry in the production of cosmetics.

Extraction of tar-glue from the root of the korak starts from early spring and continues until autumn, therefore, the periods of tar extraction are divided into spring and summer seasons. The spring stage is considered to be a preparatory period, at this stage the area for glue-resin extraction is determined, the total stock of the carpet is determined, and the plants for glue-resin extraction are determined. As we have already mentioned, Kovrak is a monocarpic plant, so it does not have a stem in the whole bush, so it is necessary to clean the root of the plant from the stem and upper leaves and prepare it for taking resin. For this purpose, digging around the root of the carpet is 5-10 cm deep and 20-25 cm wide, and the upper part of the root is opened. After opening the upper part of the root of the cowberry, it is cut to get glue-resin, after 5-6 days, high-quality glue-resin "Donak" sap is collected, and the accumulated glue-resin is collected, and then it is cut again in a new place, during the season, the plant 15-20 cuts can be made depending on the size of the root. After the end of the glue-tar collection season, each bush should be covered with soil so that the plant does not dry out in the future.

As we mentioned above, carpet glue-tar has been prepared and used in Iran, Afghanistan, Pakistan and India since ancient times. Neighboring republics, especially Tajikistan, have been preparing for several years. In our republic, the production of carpet glue officially started in 2006. In this case, with the state forestry one