Greater Galangal

Also known as: Siamese Ginger, Languas

Botanical Overview

Greater Galangal (Alpinia galanga) belongs to the Zingiberaceae family. While not among the most extensively documented medicinal plants, this species has recorded uses that warrant attention from researchers and practitioners. The ginger family (Zingiberaceae) includes tropical aromatic herbs with rhizomatous root systems, spiral leaves, and showy flowers with petal-like staminodes. Many species produce essential oils in specialized oil cells throughout their tissues. This family is renowned for culinary spices and digestive medicines.

General Description

It is one of four plants known as “galangal”. Its common names include greater galangal, lengkuas, and blue ginger.

ⓘ Information
Description adapted from Wikipedia (CC BY-SA 4.0).

Family Context

The Zingiberaceae family is widely distributed. Notable medicinal members include:

Geographic Distribution

Greater Galangal has been recorded in 10 countries and territories worldwide, including China, Hong Kong, Indonesia, India, Malaysia, and others.

Traditional Uses

Greater Galangal has been traditionally used for digestive health, respiratory conditions, and skin and wound care, among other applications.

Digestive health.

  • Carminative
  • Stomachic

For digestive complaints, the herb is typically prepared as a tea or decoction taken before meals. The bitter compounds stimulate digestive secretions and improve nutrient absorption. Some traditions use the powdered root or leaves in small doses as a stomachic tonic.

Respiratory conditions.

  • Bronchitis
  • Expectorant
  • Catarrh

Respiratory conditions are addressed through steam inhalation of the herb’s vapors or internal use as a warm tea. The hot infusion acts as an expectorant, helping to loosen phlegm and clear congestion. Some traditions combine it with honey for coughs.

Skin and wound care.

  • Ringworm

For skin conditions, the fresh or dried plant is applied topically as a poultice, wash, or compress. A strong decoction can be used to clean wounds and sores. The antimicrobial properties help prevent infection while promoting tissue repair.

Active Compounds

Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).

The identified compounds include the following categories:

  • Alkaloid: nitrogenous compounds with diverse pharmacological activities
ⓘ Information
Information on this page is compiled from Dr. Duke’s Phytochemical and Ethnobotanical Databases (USDA ARS), a public domain resource. Consult a healthcare professional before using any herbal preparation.

Distribution and Conservation

Reported distribution: China, Hong Kong, Indonesia, India, Malaysia, Philippines, Thailand, Taiwan, United States, Vietnam.

Complete Use Records

CategoryCultural Context
BronchitisIndia
CancerUS
CardiodepressantIndia
CarminativeIndia
DigestiveTurkey
ExpectorantTurkey
ParturitionJava
RheumatismElsewhere
RingwormJava
SplenomegalyJava
StimulantTurkey
CatarrhIndia
StomachicElsewhere

Complete Chemical Inventory

CompoundFormulaMW
(+)-PINENEC₁₀H₁₆136.23 Da
(Z)-BETA-OCIMENEC₁₀H₁₆136.23 Da
1'-ACETOXY-EUGENOL-ACETATE
1'-ACETOXYCHAVICOL-ACETATEC₁₃H₁₄O₄234.25 Da
1'-HYDROXYCHAVICOL-ACETATE
1,8-CINEOLC₁₀H₁₈O154.25 Da
1,8-CINEOLEC₁₀H₁₈O154.25 Da
2-METHYL-PROPAN-1-OL-ACETATE
4-HYDROXYBENZALDEHYDEC₇H₆O₂122.12 Da
7-HEPTADECANEC₁₇H₃₄238.5 Da
8,17-EPOXY-LABD-TRANS-12-ENE-15,16-DIAL
8-BETA-17-EPOXY-LABD-TRANS-2-ENE-15,16-DIAL
AFRAMODIALC₂₀H₃₀O₃318.4 Da
ALANINEC₃H₇NO₂89.09 Da
ALPHA-BERGAMOTENEC₁₅H₂₄204.35 Da
ALPHA-COPAENEC₁₅H₂₄204.35 Da
ALPHA-HUMULENEC₁₅H₂₄204.35 Da
ALPHA-PINENEC₁₀H₁₆136.23 Da
ALPHA-TERPINEOLC₁₀H₁₈O154.25 Da
AR-CURCUMENEC₁₅H₂₂202.33 Da
ARGININEC₆H₁₄N₄O₂174.20 Da
ASCORBIC-ACIDC₆H₈O₆176.12 Da
ASH
ASPARTIC-ACIDC₄H₇NO₄133.10 Da
BASSORIN
BETA-BISABOLENEC₁₅H₂₄204.35 Da
BETA-CAROTENEC₄₀H₅₆536.9 Da
BETA-CARYOPHYLLENEC₁₅H₂₄204.35 Da
BETA-FARNESENEC₁₅H₂₄204.35 Da
BETA-PINENEC₁₀H₁₆136.23 Da

Data from PubChem (NIH/NLM, public domain).


References & Further Reading

External Research Links

Data Sources