Acacia Catechu

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Other Names:

Historical Use of Acacia Catechu

Acacia Catechu in Traditional Chinese Medicine


Chinese Name (pinyin): Ercha

Chinese Name  :

Common Name  :Black Catechu

Specific Name  : Catechu

Scientific Name:
Collection  : The branch and stem are collected in winter, peeled, cut into big pieces, decocted with water. The decoction is concentrated and dried.

Description  : Square or irregular masses, varying in size. Externally brown or blackish-brown, smooth and somewhat lustrous. Hard texture, easily broken, fracture irregular , lustrous, porous, sticky when moistened, odourless, taste astringent, bitter then sweet.

Identification  : 1.Powder: Brown, needle crystals and yellowish-brown masses visible.2.Macerate a matchstick in water solution of the drug, allow to be dyed slightly. After drying , macerate with hydrochloric acid and remove immediately, bake inside a flame, a dark red colour is produced on the matchstick.3.To 5ml of the solution obtained in the assay add 0.5ml of hydrochloric acid and 1ml of formaldehyde TS, heat on a water bath, a yellowish brown precipitate is produced. Allow I to cool and filter. To the filtrate add 2 drops of ferric chloride TS and 0.5g of sodium acetate, a brownish-red colour is produced at lower part and blue colour should be produced.Water: carry out the method as described under determination of water (Appendix lX H, method 2) not more than 17%.Assay: weigh accurately 1.8g of the powder (through no 3 sieve), carry out the determination of tanninoids (Appendix X B). It contains not less than 70.0% of tanninoids.

Processing  : eliminate foreign matter, break into pieces before use.

Action  : To arrest exudation, promote the growth of new tissue, and cure wounds.

Indication  : Festering wound that does not heal, skin diseases with watery discharge, ulcers in the mouth, traumatic injury with pain and bleeding

Precautions  :

Dosage  : 1 to 3 g, wrapped on making decoction, used frequently for making pills or powder; appropriate quantity for external use.

Storage  : Preserve in a dry place, protected from moisture.

Synonymns for Acacia Catechu

Patent Medicines and Medicines with Multiple Ingredients that include Acacia Catechu

Pharmaceutical Information

Chemical Constituents

Evidence or the Use of Acacia Catechu in the Treatment of Epilepesy

Basic Science

Animal Studies

Cohort, Case-Control and Non-Randomized Trials

Randomized Controlled Trials


1st Five Results: pubmed search

S N Sarah Shafiei, K Ahmad, N F M Ikhsan, S I Ismail, K Sijam
Suppression of Xanthomonas oryzae pv. oryzae biofilm formation by Acacia mangium methanol leaf extract.
Braz J Biol: 2020;
[PubMed:32074168] [] [DOI] (I a)

Nader R Abdelsalam, Hayssam M Ali, Mohamed Z M Salem, Hosam E El-Wakil
Quantitative and Qualitative Genetic Studies of Some Acacia Species Grown in Egypt.
Plants (Basel): 2020, 9(2);
[PubMed:32069993] [] [DOI] (P e)

John-Baptist S N Naah
Exploitation of ethnoecologically important wild trees by two ethnic groups in a community-based Hippopotamus Sanctuary in Northwestern Ghana.
J. Environ. Manage.: 2020, 255;109917
[PubMed:32063305] [] [DOI] (I p)

Patricia Spoto Correa, Lucas William Mendes, Leandro Nascimento Lemos, Pierre Crouzoulon, Vincent Niderkorn, Hervé Hoste, Livio Martins Costa-Júnior, Siu Mui Tsai, Antonio P Faciola, Adibe Luis Abdalla, Helder Louvandini
Tannin supplementation modulates the composition and function of ruminal microbiome in lambs infected with gastrointestinal nematodes.
FEMS Microbiol. Ecol.: 2020;
[PubMed:32053145] [] [DOI] (I a)

Mohamed E Hamid, Thomas Reitz, Martin R P Joseph, Kerstin Hommel, Adil Mahgoub, Mogahid M Elhassan, François Buscot, Mika Tarkka
Diversity and geographic distribution of soil streptomycetes with antagonistic potential against actinomycetoma-causing Streptomyces sudanensis in Sudan and South Sudan.
BMC Microbiol.: 2020, 20(1);33
[PubMed:32050891] [] [DOI] (I e)



Side Effect and Warnings

Pregnancy and Breastfeeding

Adverse Effects