Tansy is a perennial plant, 50-100 cm tall. Stem erect, branched starting from the middle of the stem, grooved, glabrous or weakly bent. The leaves are successive, dark green above, gray below. Lower leaves on petioles, higher sessile.
Flower baskets are round, 5-8(12) mm in diameter, arranged in a shield-shaped inflorescence at the top of the plant. All flowers are yellow, pultuvj-tubular. Fruits - elongated, grayish seeds 1.5-3mm long, with five edges. The plant blooms from mid-June to September, the fruits ripen in August-September.
The flowers of the plant are used for medicinal purposes. At the beginning of the flowering season, collect the shields of inflorescences with all flowers with an average length of 4 cm. In no case do not collect flowers that have already turned brown. The collected flowers are dried in the attic on sieves or in forced dryers, not exceeding 40C. When drying, it is necessary to stir the drug from time to time.
Tansy flowers contain essential oil (up to 0.8%), alkaloids, bitter substance tanacetin, flavonoids (quercetin, luteolin, isoramentin, cosmos, tiliantin and others), phenolic acids (caffeic acid, chlorogenic acid, isochlorogenic acid), polysaccharides, tannins (0.1%) , vitamin V, caratonoids, etc., macro and microelements.
The flower arrangement of Tansy acts as a helminth and gall repellent.
Tansy is a good remedy for roundworms and roundworms. The choleretic properties of the plant are provided by the flavonoids contained in them. Plant establishment promotes the secretory-motor function of the digestive tract, as well as keeps the walls of the gall bladder in tone, stimulates the appetite, improves digestion. A water infusion of evening primrose is a good remedy for the treatment of enterocolitis and other intestinal diseases.
Various preparations have also been created on the basis of the flavonoids of Tansy , which are used in the treatment of various diseases of the digestive tract. They enhance the formation and secretion of bile, normalize its biochemical composition. By the way, antispasmodics also act on the gall bladder, bile ducts and intestines.
Tansy is also useful as a liver protector - it improves liver function and enhances regeneration processes (in case of hepatitis and cirrhosis).
The extract has diaphoretic, anti-inflammatory, analgesic, antimicrobial, wound-healing properties and has been observed to have antioxidant activity.
Tansy increases arterial blood pressure, decreases the heart rate, increases the amplitude of contraction of the heart muscle, and increases sweating.
The essential oil has a strong, irritating effect, it causes excitement in the CNS.
In folk medicine, this plant is still respected and has countless names, which are basically related to its anti-helminth effect.
The arrangement of the flowers is also one of the most popular anthelmintic remedies in folk medicine - it is used against roundworms (ascarids and tapeworms), as well as in cases of giardiasis. This position is also used in case of jaundice, gastric and duodenal ulcer and especially in case of diseases of the digestive system which are associated with decreased stomach acidity. This remedy will also be valuable for regulating the menstrual cycle.
A decoction of Tansy is used for headaches and epilepsy. Externally, as compresses and baths, they are used to treat rheumatism, osteochondrosis, joint diseases.
Tansy can also be used for rinsing to treat catarrhal angina, stomatitis, gingivitis, ulcers, purulent wounds.
In different countries of the world, Tansy is used to treat skin cancer, against helminths, as an antipyretic, as an antimenstrual agent, to treat various diseases of the digestive tract, constipation, etc.