Garcinia kola
Garcinia kola · Accepted scientific name
Scientific literature: Very Sparse (27 studies) · ★☆☆☆☆
Garcinia kola is a versatile medicinal plant known for its therapeutic potential derived from the seed, root, stem, and fruit. Scientific studies have highlighted its significant neuroprotective, antidiabetic, antimalarial, and antibacterial activities. These biological benefits are largely attributed to specialized chemicals such as Kolaviron, 1-butanol, 14-methylpentadecanoic acid, and 9,19-cyclolanost-24-en-3-ol. Researchers utilize various preparations, including aqueous and organic solvent-extracts or administration via rat chow, to study its efficacy. Consequently, this plant shows great promise in treating conditions such as malaria, bronchitis, bacterial infections, and cough.
- Synonyms
- Garcinia Conrauana · Garcinia Bergheana · 5 more
- Common names
- Not available
- Family
- Clusiaceae
- Distribution
- Not available
- Plant Parts
- Seed · Root
Classification
Common Names
Garcinia kola is a versatile plant known by a variety of regional and descriptive names. Most commonly, it is referred to as bitter kola or bitter-kola due to its distinctively sharp flavor profile. In some areas, the species is also called Aloti, reflecting its local cultural significance. It is sometimes identified as false kola to distinguish it from other related plants in the region. Additionally, the botanical name is occasionally associated with the term garcínia liečivá in specific contexts.
Sources: Catalogue of Life (COL)
Synonyms
Garcinia kola is a complex botanical subject that has been identified by various scientific names throughout history. It is frequently associated with several synonyms, including Garcinia akawaensis and Garcinia bergheana. Researchers also recognize the species under the names Garcinia conrauana and Garcinia dinklagei. Additionally, the plant is linked to the taxonomic designation Garcinia giadidii. Understanding these overlapping relationships is essential for accurate botanical classification and study.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Garcinia kola is a distinctive botanical specimen that belongs to the vast kingdom Plantae. Within this expansive kingdom, the plant is classified under the class Equisetopsida. It further descends through the order Malpighiales, showcasing its specific evolutionary lineage. As a member of the genus Garcinia, it shares structural characteristics with many of its close relatives. Finally, this species is situated within the Clusiaceae family, rounding out its complete taxonomic identity.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malpighiales |
| Family | Clusiaceae |
| Genus | Garcinia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Garcinia kola is widely distributed across various regions of the African continent. Its presence is notably significant throughout South Tropical Africa, with established populations in Angola. The plant also maintains a strong foothold across West Tropical Africa, spanning several key nations. Specifically, it can be found growing in Benin, Guinea, and the Ivory Coast. Additionally, its natural range extends into Liberia, showcasing its widespread ecological importance in the region.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Garcinia kola grows in the form of a robust, self-supporting tree. This species can reach a substantial maximum height of approximately 19.81 meters. Its sturdy structure allows it to stand firmly within its natural habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Garcinia kola, commonly known as bitter kola, is a West African medicinal plant that demonstrates a wide range of significant pharmacological properties. Research indicates that it possesses strong antidiabetic and neuroprotective activities, helping to regulate blood glucose levels and mitigate cognitive or motor decline. Beyond these effects, the plant has shown proven antimalarial potential, making it a valuable resource in traditional medicine for treating fever and malaria. Furthermore, its robust antimicrobial and antibacterial capabilities allow it to combat various infections, including those caused by multidrug-resistant bacteria. These diverse biological activities suggest that the plant could serve as a critical raw material for future pharmaceutical drug development.
Compounds
Garcinia kola is a medicinal plant widely used in Sub-Saharan Africa that contains a variety of bioactive biflavonoids. A primary active component found within its seeds is kolaviron, a substance recognized for its potent antioxidant and anti-inflammatory properties. Detailed chemical analyses of the plant have identified several specific constituent compounds, including GB-1a, GB1, and GB2. Additionally, the plant contains kolaflavanone, which serves as a significant marker in traditional medicinal formulations. Together, these chemical relationships highlight the complex composition that contributes to the therapeutic potential of the species.
Conditions
Garcinia kola serves as a traditional remedy for malaria, with its biflavanones demonstrating potent antimalarial activity against Plasmodium infection. This medicinal plant is also utilized in ethnomedicine to treat bronchitis and various other respiratory issues. Its antibacterial properties are significant, as extracts from the plant can inhibit pathogens such as Pseudomonas aeruginosa and other bacterial infections. Additionally, research indicates that Garcinia kola can help prevent body weight loss in specific disease models, such as type 1 diabetes and acute radiation syndrome.
Preparations
Garcinia kola is prepared as an extract to study its neuroprotective properties in diabetic rat models and its antithrombotic effects. It is also prepared as extracts for use in traditional antimalarial medicines and as part of a cough linctus formulation. In certain nutritional studies, Garcinia kola is prepared as rat chow to investigate its ability to reduce lead and cadmium accumulation in the liver. The plant is further prepared as aqueous and organic solvent-extracts to test for antimicrobial activity against drug-resistant strains of Helicobacter pylori. Additionally, Garcinia kola is prepared as an eluate, specifically a subfraction of a methanolic extract, which has demonstrated strong antidiabetic and neuroprotective qualities in mice.
Parts used
Garcinia kola is a versatile medicinal plant indigenous to West and Central Africa that offers various therapeutic benefits through its different anatomical structures. The seeds are particularly highly valued for containing kolaviron, a compound known for its potent antioxidant and anti-inflammatory properties. Research also highlights the medicinal utility of the roots, which can be used to treat various ailments and contain specific bioactive compounds like garcipyran. Additionally, the stem bark and leaves contribute to the plant's pharmacological profile, showing promise in treating malaria and tuberculosis. Even the fruit provides unique chemical constituents, such as kolanone, further demonstrating the comprehensive medicinal value of every part of this species.