Botanical Overview
China Root (Smilax china) is a flowering plant in the Smilacaceae family. This plant has earned a place in traditional medicine through its consistent therapeutic benefits, recorded across multiple cultures. This species belongs to the Smilacaceae family, a group of flowering plants.
General Description
It is native to China, Korea, Taiwan, Japan (including Ryukyu and Bonin Islands), Philippines, Vietnam, Thailand, Myanmar, and India. It is also known as china root, china-root, or chinaroot, as is the related Smilax glabra.
Family Context
The Smilacaceae family is widely distributed. Notable medicinal members include:
- Sarsaparilla — 9 documented uses
- Sarsaparilla — 1 documented uses
Geographic Distribution
China Root has been recorded in 10 countries and territories worldwide, including China, Hong Kong, India, Japan, North Korea, and others.
Traditional Uses
China Root has been traditionally used for digestive health, respiratory conditions, and skin and wound care, among other applications.
Digestive health.
- Carminative
- Diarrhea
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.
- Asthma
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.
- Skin
- 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.
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).
The identified compounds include the following categories:
- Alkaloid: nitrogenous compounds with diverse pharmacological activities
- Tannin: astringent compounds that tighten tissues and resist infection
- Saponin: soap-like compounds with immune-modulating activity