Common Knotgrass

Other Names : Polygonum aviculare, prostrate knotweed, birdweed, pigweed, lowgrass

Constituents

silicic acid (partly also water-soluble), tannins (gallotannins and catechols), flavonoids, especially avicularin, phenolic acids and mucilage.

Health Benefits and Uses of Common Knotgrass

• Today, the medicinal plant is still occasionally used as a tea in catarrhs ​​of the upper respiratory tract because of their (but only a small) sputum promoting effect and is included in tea blends or as an extract in corresponding finished preparations.
• The astringent properties attributed to the tannin content are used for rinsing and gargling for inflammation of the mouth and throat, as well as external applications against blemishes and wound treatment.
• In its monograph Polygonum aviculare, the Committee for Herbal Medicinal Products (HMPC) of the European Medicines Agency (EMA) confirms the traditional use in the indications cold (tea infusion), mild mouth and throat (gargle tea) and bladder irrigation Complaints (decoction).