Kuan Chung

Also known as: Shield Fern

Botanical Overview

Kuan Chung (Blechnum orientale) belongs to the Blechnaceae family. Limited but reliable traditional records indicate this plant has recognized medicinal applications in one or more healing traditions. This species belongs to the Blechnaceae family, a group of flowering plants.

General Description

Found growing naturally in many parts of the world, such as India, China, South-east Asia to northern Australia. The often published name Blechnum orientale is now considered by many authorities as a synonym of Blechnopsis orientalis.

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

Geographic Distribution

Kuan Chung has been recorded in 10 countries and territories worldwide, including Australia, China, Hong Kong, Indonesia, Japan, and others.

Traditional Uses

Kuan Chung has been traditionally used for skin and wound care and urinary tract health.

Skin and wound care.

  • Boil

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.

Urinary tract health.

  • Urinary

Urinary tract applications typically involve drinking the herb as a mild tea, which increases urine production and helps flush the urinary system. It may be combined with other demulcent herbs to soothe irritated tissues.

Active Compounds

Phytochemical research has identified 9 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: Australia, China, Hong Kong, Indonesia, Japan, Malaysia, French Polynesia, Papua New Guinea, Philippines, Taiwan.

Complete Use Records

CategoryCultural Context
BoilMalaya, Malaysia
AnthelminthicChinese
DropsyMalaya
UrinaryChinese

Complete Chemical Inventory

CompoundFormulaMW
ARSENICAs74.92159 Da
CALCIUMCa40.08 Da
COPPERCu63.55 Da
IRONFe55.84 Da
MAGNESIUMMg24.305 Da
MANGANESEMn54.93804 Da
POTASSIUMK39.0983 Da
SODIUMNa22.9897693 Da
ZINCZn65.4 Da

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


References & Further Reading

External Research Links

Data Sources