All parts of the walnut tree contain tons of biologically active substances: bark – triterpenoids, steroids, alkaloids, vitamin C, tannins, quinones, etc.; leaves – aldehydes, essential oils, alkaloids, vitamins C, carotene, phenol carbonic acids, tannins, coumarins, flavonoids, anthocyanins, quinones and higher aromatic hydrocarbons; pericarp – organic acids, vitamin C, carotene, phenol carbonic acids, tannins, coumarins [... Read more
