Benzoin

Also known as: Onycha, Styrax

Botanical Overview

Benzoin (Styrax benzoin) is a flowering plant in the Styracaceae family. The traditional uses of this species reflect its genuine medicinal value, validated by generations of practical experience. This species belongs to the Styracaceae family, a group of flowering plants.

General Description

Common names for the tree include gum benjamin tree, loban (in Arabic), kemenyan (in Indonesia and Malaysia), onycha, and Sumatra benzoin tree.

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

Family Context

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

Geographic Distribution

Benzoin has been recorded in 10 countries and territories worldwide, including Congo (DRC), Indonesia, India, Laos, Malaysia, and others.

Traditional Uses

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

Digestive health.

  • Carminative
  • Colic

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.

  • Expectorant
  • Catarrh
  • Bronchitis
  • Cough

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.

  • Sore
  • Wound

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

ⓘ 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: Congo (DRC), Indonesia, India, Laos, Malaysia, French Polynesia, Singapore, Thailand, Vietnam, Unknown.

Complete Use Records

CategoryCultural Context
AntisepticChina, Elsewhere, Turkey
CarminativeChina, Elsewhere
ExpectorantElsewhere, Turkey
InsecticideElsewhere, Java
StimulantChina, Turkey
ArthritisChina
CatarrhElsewhere
ColicChina
DisinfectantTurkey
DiureticElsewhere
Evil eyeChina
SedativeChina
SoreAsia
SpermatorrheaChina
VulneraryTurkey
WoundAsia
DeodorantChina
IncenseTurkey
BronchitisAsia
CancerMalaya
CoughAsia

Complete Chemical Inventory

CompoundFormulaMW
BENZALDEHYDEC₇H₆O106.12 Da
BENZOIC-ACIDC₇H₆O₂122.12 Da
CINNAMIC-ACIDC₉H₈O₂148.16 Da
CINNAMYL-CINNAMATEC₁₈H₁₆O₂264.3 Da
CONIFERYL-BENZOATEC₁₇H₁₆O₄284.31 Da
CONIFERYL-CINNAMATE
PHENYLPROPYL-CINNAMATEC₁₈H₁₈O₂266.3 Da
RESINC₁₅H₂₄204.35 Da
STYRENEC₈H₈104.15 Da
SUMARESINOIC-ACID
VANILLINC₈H₈O₃152.15 Da

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


References & Further Reading

External Research Links

Data Sources