Hemorrhage tannic acid

Erigeron canadensis L. E. annuus (L.) Persoon Canada Pon Yi Nian Pon (Fleabane) (leaf) Essential oils, gallic acid, tannic acid, limonene, dipentene, methylacetic acid, terpeneol, lacnophyllum, matricaria, dehydromatricaria, erigeron, hexahydromatricaria.50 For hemorrhage, diarrhea, dysentery, internal hemorrhage of typhoid fever. 

Pterocarya stenoptera DC Feng Yang (Wing nut) (stem, leaf, bark) Salicylic acid, kino-tannic acid, pyrocatechine acid, protocatechinic acid.48-60 Diuretic, used on wounds and ulcers, hemorrhage, suppuration. 

Animals dosed with tannic acid by oral administration presented hemorrhagic gastritis, colic, jaundice, hemolytic anemia, necrosis of gastric mucosa, nephritis, and liver alterations. The LD50 in rats and mice has been reported to be 5 and 6gkg, respectively. 

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