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Finger root

Krachai, Ngãi củ tay (Boesenbergia)

Boesenbergia pandurata

Fingerroot, Chinese ginger, Thai ginger, Lesser ginger, Kaempferia pandurata, Boesenbergia rotunda

Zingiberaceae · Thân rễ · Rhizomes · Steam-distilled

Finger root essential oil (Boesenbergia pandurata) — botanical illustration
Boesenbergia pandurata

Safety

Drug interaction

Theoretical drug interaction via CYP2B6, as geraniol inhibits this enzyme.

Oral: caution with drugs metabolized by CYP2B6.

Contains no known carcinogens.

No information on dermal reactions or acute toxicity.


Usage guidelines

Drug interactions
Theoretical, via CYP2B6

Chemistry

Volatile constituents
(E)-β-Ocimene22.8 %
Geraniol20.8 %
Camphor16.9 %
1,8-Cineole7.8 %
Camphene5.4 %
(Z)-β-Ocimene3.2 %
Methyl cinnamate3.0 %
δ-3-Carene2.0 %
Geranial1.5 %
Terpinolene1.2 %
β-Pinene1.1 %
β-Elemene1.0 %

Botanical source

Boesenbergia pandurata is a small herb of Southeast Asia. The rhizome divides into many small 'finger-like' projections, the source of the folk names 'finger root' and 'lesser ginger'.

An important spice in Thai cuisine (called krachai), Indonesian, Malaysian, particularly for fish curries and tom yum soup.

Family Zingiberaceae. Same family as ginger (Zingiber officinale), turmeric (Curcuma longa), galangal (Alpinia).