Ethnobotanical Leaflets 11: 71-72. 2007.



Krameria triandra (R. and P.):  Source of Tannin


Dr. Amrit Pal Singh, PGDMB; BAMS; MD (Alternative Medicine), Herbal Consultant, Ind-Swift Ltd, Chandigarh


Address for correspondence:

Dr. Amrit Pal Singh,

House No: 2101 Phase-7,




Issued 24 May 2007



Krameria triandra is significant plant of Materia Medica written in 1930.

Common name: Krameria root, Peruvian Rhatany, Red Rhatany, Rhatany root and Ratanya.


Family: Polygolaceae.


Location: Peru.


Botany: A low shrub with large red flowers. The root consists of long, cylindrical pieces, varying in thickness from 1/4 to 1/2 inch or more or a short, thick portion, knotted, and as large as a man's fist.


Phytochemistry: Tannic acid: rhataniatannic acid, peculiar acid principle: krameric acid, phlobaphene, phloroglucin, oligomeric proanthocyanidins (Scholz and Rimpler, 1989), procyanidins, neolignans (Marina et al, 2002), lignin, tannin and wax.


Actions: Astringent, bronchodilator, antiviral, antitussive, antioxidant and photoprotective (Marina et al 2002), bactericidal, fungicidal, styptic and tonic.


Therapeutics: Cough, diarrhea, bloody diarrhea, bleeding, urinary incontinence, leucorrhea, hemorrhoids, rectal prolapse and stomatitis.


Adverse drug reactions: Allergic contact dermatitis (Bujan et al 1998).


Preparations: Extract dose, 0.3 to I G. Tincture dose, 2-4 mils.


Parts used: Roots.




Scholz, E. and Rimpler, H.1989. Proanthocyanidins from Krameria triandra root. Planta Med. 55(4):379-84.


Goday Bujan, J.J. et al., 1998. Allergic contact dermatitis from Krameria triandra extract. Contact Dermatitis. 38(2):120-1.


Marina, C. et al., 2002. Antioxidant and photoprotective activity of a lipophilic extract containing neolignans from Krameria triandra roots. Planta Med. 68(3): 193-197.