Botanical Overview
Lojabark (Cinchona officinalis) is a flowering plant in the Rubiaceae family. The traditional uses of this species reflect its genuine medicinal value, validated by generations of practical experience. The coffee family (Rubiaceae) includes trees, shrubs, and herbs with opposite leaves and interpetiolar stipules. The flowers are typically tubular with four or five petals. The family includes coffee (Coffea), quinine-producing Cinchona, and numerous other medicinal species with alkaloid constituents.
General Description
It is native to wet montane forests in Colombia, Ecuador, Peru and Bolivia, between 1600–2700 meters above sea level. It is the national tree of Peru.
Family Context
The Rubiaceae family is large and primarily tropical. Notable medicinal members include:
- Indian Mulberry — 56 documented uses
- Madder — 41 documented uses
- Gardenia — 34 documented uses
- Coffee — 28 documented uses
Geographic Distribution
Lojabark has been recorded in 10 countries and territories worldwide, including Bolivia, Brazil, China, Colombia, Ecuador, and others.
Traditional Uses
Lojabark has been traditionally used for digestive health, respiratory conditions, and pain and inflammation, among other applications.
Digestive health.
- Stomachic
- Dysentery
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.
- Cold
- Pneumonia
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.
Pain and inflammation.
- Neuralgia
- Lumbago
For pain and inflammation, preparations are applied both topically as compresses and taken internally. A warm poultice draws blood to the area and promotes healing, while internal preparations address systemic inflammation.
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).
The identified compounds include the following categories:
- Alkaloid: nitrogenous compounds with diverse pharmacological activities
- Tannin: astringent compounds that tighten tissues and resist infection