Japanese Cinnamon

Botanical Overview

Japanese Cinnamon (Cinnamomum sieboldii) belongs to the Lauraceae family. Limited but reliable traditional records indicate this plant has recognized medicinal applications in one or more healing traditions. The laurel family (Lauraceae) includes trees and shrubs with aromatic, leathery leaves that are typically alternate. The flowers are small and greenish, and the fruits are drupes or berries. Many species produce essential oils rich in aromatic compounds like camphor and eucalyptol.

Family Context

The Lauraceae family is primarily tropical and subtropical. Notable medicinal members include:

Geographic Distribution

Japanese Cinnamon has been recorded in , and Japan.

Traditional Uses

Japanese Cinnamon has been traditionally used for digestive health, fever management, and metabolic and nutritional health.

Digestive health.

  • 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.

Fever management.

  • Febrifuge

Febrifuge preparations are typically administered as hot teas to induce perspiration, which helps the body regulate temperature. The patient is kept warm and encouraged to rest while the herb promotes sweating.

Metabolic and nutritional health.

  • Diaphoretic

Metabolic applications include consuming the plant as a food, fresh juice, or herbal infusion. Regular use supports the body’s natural metabolic processes and nutritional status.

Active Compounds

Phytochemical research has identified 20 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:

  • Phenolic: antioxidant compounds that neutralize free radicals
  • 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: Japan.

Complete Use Records

CategoryCultural Context
BalsamicJapan*
DiaphoreticJapan*
FebrifugeJapan*
StomachicJapan*

Complete Chemical Inventory

CompoundFormulaMW
(+)-CATECHINC₁₅H₁₄O₆290.27 Da
(-)-EPICATECHINC₁₅H₁₄O₆290.27 Da
BARIUMBa137.33 Da
BROMINEBr₂159.81 Da
CALCIUMCa40.08 Da
CHLORINECl₂70.90 Da
CHROMIUMCr51.996 Da
COPPERCu63.55 Da
IODINEI₂253.8089 Da
IRONFe55.84 Da
LEADPb207 Da
MANGANESEMn54.93804 Da
PHOSPHORUSP30.97376200 Da
POTASSIUMK39.0983 Da
PROANTHOCYANIDINSC₃₀H₂₆O₁₃594.5 Da
RUBIDIUMRb85.468 Da
STRONTIUMSr87.62 Da
SULFURS32.07 Da
TITANIUMTi47.867 Da
ZINCZn65.4 Da

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


References & Further Reading

External Research Links

Data Sources