Description. The chemical composition of knot grass is very rich. It is considered a grear source of vegetable protein, extractives, fiber, ash, sugars, resins, wax, and tannins. There is a lot of phosphorus, calcium, zinc, silicon, ascorbic acid, and carotene in knot grass. Knot grass herb contains vitamin K, as well as the flavonol glycoside avicularin, oxalic acid, silicic acid compounds and mucus. The plant also contains naphthoquinone and tocopherol. Therefore, it is not surprising that knot grass finds its use by many doctors and nutritionists. The plant is widely used as an astringent, anti-inflammatory, choleretic, and diuretic medicine. It helps wash out kidney and bladder stones, is used as an antiseptic, antispasmodic, analgesic, diaphoretic, antipyretic, emollient, expectorant, laxative, antihelminthic, hypotensive, wound healing agent. Knot grass increases diuresis, has anti-inflammatory and antiseptic effects. It accelerates blood clotting, reduces vascular permeability, enhances uterine contraction.
Use. Knot grass is used in the treatment of colds, bronchitis, pneumonia, pleurisy, scratching cough, bronchial asthma, pulmonary tuberculosis, insomnia, inflammation of the mucous membrane of the mouth and gums, gastritis, dysentery, diseases of the liver, gastrointestinal tract, biliary tract, gallbladder, diseases of the skin, urinary tract, burns, rheumatism, peptic ulcer. To deal with the diseases of the respiratory system, an infusion of knot grass is prepared. The infusion has a healing effect on the functioning of the ovaries and uterus and is useful as a hemostatic agent in the cases of uterine bleeding. There is evidence that many women were cured of infertility when they drank an infusion of knot grass as tea with a simple recipe: a glass of grass per 1 liter of boiling water. Knot grass prevents the formation of urinary stones. Due to the presence of tannins, knot grass is effective in the treatment of gastroenteritis, diarrhea of various origins, increased permeability of the walls of blood vessels and bleeding from damaged vessels of the mucous membranes of the gastrointestinal tract. The plant is used to treat functional liver failure and the diseases associated with the retention of toxic metabolic products in the body since knot has antitoxic properties.