Pau D'arco
bark supplement by Ray Sahelian, M.D. Pau
D'arco shrub health benefit
Pau D'arco ( Tabebuia impetiginosa,
syn. Tabebuia avellanedae ) is a tree from South America whose inner bark has been used as an analgesic
(pain reliever), anti-inflammatory, anti-cancer, anti-bacterial, and diuretic. Little research is available in the North American
medical literature regarding the medicinal properties of pau d’arco. At present it is
difficult to make any clinical recommendations with certainty regarding the medicinal
properties and uses of this interesting plant.
Pau D'arco has antioxidant properties at a
power similar to vitamin E (see below).
Pau D'Arco supplement,
500 mg
Pau D' Arco (Tabebuia altissima) is the highest quality inner bark of the
Purple Lapacho tree found in Brazil and Northern Argentina. Ever since
ancient times, when it was a standard for the medicine men of the Inca
Empire, pau d'arco (also known as ipe roxo and taheebo) has been one of
the most widely used herbs in South America. Its popularity is attributed
to the active constituents, lapachol and beta-lapachone, which have been the subject of
numerous scientific studies.
Pau Darco Supplement Facts:
Pau D'Arco Bark (Tabebuia altissima)
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We will discuss pau darco research as it becomes available.
Pau
D'arco availability
You can find Pau D'arco in tablet or capsule form, as Pau D'arco tea, and
combined with other nutrients and herbs in many formulas.
Beta-lapachone is found in Pau
D'arco
Beta-Lapachone is a novel anticancer agent found in Pau D'arco with selectivity
against prostate cancer and possibly retinoblastoma and other cancers. Beta
lapachone is being studied either by itself or in combination with chemotherapy
drugs as a treatment for various types of cancer.
Pau D'arco Research
studies
Constituents from the bark of Tabebuia impetiginosa Pau
D'arco.
Phytochemistry. 2004 Jul;65(13):2003-11.
The bark of pau darco afforded nineteen glycosides,
consisting of four iridoid glycosides, two lignan glycosides, two
isocoumarin glycosides, three phenylethanoid glycosides and eight phenolic
glycosides. Iridoid glycosides, phenylethanoid glycosides and lignan
glycosides had ajugol, osmanthuside H and secoisolariciresinol
4-O-beta-D-glucopyranoside as their structural elements, respectively,
whereas the aglycone moieties of the isocoumarin glycosides were
considered to be (-)-6-hydroxymellein. Phenolic glycosides had
4-methoxyphenol, 2,4-dimethoxyphenol, 3,4-dimethoxyphenol,
3,4,5-trimethoxyphenol and vanillyl 4-hydroxybenzoate as each aglycone
moiety. Additionally, the sugar chains of these isocoumarin glycosides and
phenolic glycosides were concluded to be beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyranoside
as well as those of osmanthuside H and above phenylethanoid glycosides.
Antioxidant activity and characterization of volatile constituents of Taheebo (Tabebuia
impetiginosa Martius ex DC) - Pau D'arco.
J Agric Food Chem 2003 Jan 1;51(1):295-300. Park BS,. U.S. Department of Agriculture, Albany, California.
Volatiles were isolated from the dried inner bark of Tabebuia impetiginosa ( pau
d'arco ). The major volatile constituents of pau darco were
4-methoxybenzaldehyde, 4-methoxyphenol, 5-allyl-1,2,3-trimethoxybenzene (elemicin), 1-methoxy-4-(1E)-1-propenylbenzene (trans-anethole),
and 4-methoxybenzyl alcohol. The antioxidant activity of the volatiles was
evaluated using two different assays. The extract exhibited a potent inhibitory effect on
the formation of conjugated diene hydroperoxides (from methyl linoleate). The extract also inhibited the oxidation of hexanal for
40 days at a level of 5 microg/mL. The antioxidative activity of
pau darco
volatiles was comparable with that of the well-known antioxidants, alpha-tocopherol, and
butylated hydroxytoluene.
Different species of Tabebula
Tabebuia altissima
Tabebuia avellanedae
Tabebuia impetiginosa
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