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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture

 Tabebuia impetiginosa (Bignoniaceae)

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Common name(s)
Pau d'arco, Taheebo
How used
Medicinal

Data Views

- View the list of ubiquitous chemicals
List of all chemical
Click on column headings to sort table by that column
# Activity Chemical Name Part Low PPM High PPM StdDev *Reference
0 (+)-2-(1'-HYDROXY-ETHYL)-NAPHTHO-(2,3,B)-FURAN-4,9-DIONE Stem Bark -- -- -- *
0 (-)-5-HYDROXY-2-(1'-HYDROXY-ETHYL)-NAPHTHO-(2,3,B)-FURAN-4,9-DIONE Stem Bark -- 10.0 -- *
0 (-)-6-HYDROXY-MELLEIN Stem Bark -- -- -- *
0 1-(1-HYDROXY-ETHYL)-FURONAPHTHOQUINONE Bark -- -- -- *
3 1-HYDROXYANTHRAQUINONE Heart Wood -- 16.0 -- *
0 1-METHOXY-ANTHRAQUINONE Heart Wood -- 3.6 -- *
0 2,3-DIMETHYL-1,4-NAPHTHOQUINONE Heart Wood -- 32.0 -- *
0 2-(1-HYDROXY-ETHYL)-NAPHTHO-(2-3-B)-FURAN-4-9-DIONE Bark -- -- -- *
0 2-ACETOXY-METHYL-ANTHRAQUINONE Heart Wood -- 40.0 -- *
0 2-ACETYL-5-HYDROXY-NAPHTHO-(2-3-B)-FURAN-4-9-DIONE Tissue Culture -- 50.0 -- *
0 2-ACETYL-5-HYDROXY-NAPHTHO-(2-3-B)-FURAN-4-9-DIONE Stem Bark -- 3.7 -- *
0 2-ACETYL-8-HYDROXY-NAPHTHO-(2-3-B)-FURAN-4-9-DIONE Stem Bark -- 4.3 -- *
0 2-ACETYL-NAPHTHO-(2-3-B)-FURAN-4-9-DIONE Stem Bark -- -- -- *
0 2-ACETYL-NAPHTHO-(2-3-B)-FURAN-4-9-DIONE Bark -- -- -- *
0 2-DEHYDRO-ALPHA-LAPACHONE Bark -- 350.0 -- *
0 2-ETHYL-NAPHTHO(2,3-B)-FURAN-4-9-DIONE Bark -- -- -- *
0 2-HYDROXY-3-METHYL-ANTHRAQUINONE Heart Wood -- 62.0 -- *
2 2-HYDROXY-METHYL-ANTHRAQUINONE Heart Wood -- 24.0 -- *
0 3,4,5-TRIMETHOXYBENZOIC-ACID Stem Bark -- -- -- *
0 4-HYDROXY-BENZOIC-ACID Stem Bark -- -- -- *
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*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.