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Knotgrass (Polygonum aviculare) Dried Herb

  • Apr 09, 2018
  • by Biokoma Organic Care

Polygonum aviculare or common knotgrass is a plant related to buckwheat and dock. It is also called prostrate knotweed, birdweed, pigweed and lowgrass.Knotgrass contains approximately 1% silicic acid which is partly water-soluble (0.08%) in boiling water. It contains 4% tannins, phenolic acids (caffeic acid and...