HAMAMELIS VIRGINIANA L. (Hamamelidaceae) "Witch Hazel" 6-METHYLHEPTADIEN-3,5-ON(2) Leaf 25 ppm ACETALDEHYDE Leaf 160 ppm AFZELIN Leaf ALCOHOLS Leaf 2,000 ppm ALPHA-IONONE Leaf 175 ppm ASTRAGALIN Leaf BETA-IONONE Leaf 50 ppm CATECHIN-3-GALLATE Bark CATECHIN-TANNIN Leaf CHOLINE Leaf 2,000 ppm D-GALLOCATCHEIN Bark ELLAGITANNIN Bark EO Leaf 5,000 ppm ESTERS Leaf 750 ppm GALLIC-ACID Leaf 54,400 ppm GALLOTANNIN Leaf HAMAMELIDINE Leaf HAMAMELIN Bark 160,000 ppm; Leaf 70,000 ppm HAMAMELITANNIN Bark 10,000 - 30,000 ppm; Leaf 80,000 ppm HAMAMELOSE Leaf ISOQUERCITRIN Leaf KAEMPFEROL Leaf L-EPICATECHIN Bark L-EPIGALLOCATECHIN Bark LEUCOCYANIDIN Leaf LEUCODELPHINIDIN Leaf MYRICETIN Leaf MYRICETIN-3-GLUCOSIDE Leaf N-HEXEN-2-AL Leaf 485 ppm PHENOL Bark PHLOBAPHENE Bark QUERCETIN Leaf QUERCITRIN Leaf QUINIC-ACID Leaf SAFROLE Leaf 10 ppm SAPONINS Leaf SPIRAEOSIDE Leaf TANNINS Leaf 10,000 - 70,000 ppm; Leaf 80,000 - 100,000 ppm --------------------------------------------------- ppm = parts per million