Khaya grandifoliola
Khaya grandifoliola · Accepted scientific name
Scientific literature: Very Sparse (4 studies) · ★☆☆☆☆
Khaya grandifoliola is a medicinal plant species renowned for its diverse therapeutic potential in traditional medicine. The stem bark is frequently utilized to create a hydro-ethanolic extract rich in bioactive compounds such as deacetylkhayanolide E, gallic acid, and various polyphenols. These chemical constituents provide significant health benefits, including anticancer, antidiabetic, antimicrobial, and hepatoprotective activities. Research indicates that the plant is particularly effective in addressing conditions such as malaria, oxidative stress, and lipid peroxidation. Consequently, this species serves as a vital natural resource for managing complex metabolic and infectious diseases.
- Synonyms
- Khaya Kerstingii · Khaya Grandis · 2 more
- Common names
- Not available
- Family
- Meliaceae
- Distribution
- Not available
- Plant Parts
- Stem
Classification
Common Names
Khaya grandifoliola is a remarkable tree species known by several distinct common names across different regions. It is frequently referred to as African Mahogany, a title that highlights its impressive stature and value. In certain areas, the tree is also widely recognized as Benin Mahogany or simply Benin-mahogany. Some local communities may use the name Beninwood to describe this precious timber source. Additionally, it is sometimes called Acajou, reflecting its diverse linguistic identity in the botanical world.
Sources: Catalogue of Life (COL)
Synonyms
Khaya grandifoliola is a complex species that is frequently identified through various taxonomic synonyms in botanical literature. Within scientific records, this plant is often referred to as Khaya dawei or Khaya grandis depending on the classification system used. Researchers may also encounter it listed under the name Khaya kerstingii in different regional studies. Additionally, the name Khaya punchii serves as another recognized synonym for this particular species. Understanding these overlapping designations is essential for accurate identification and consistent communication within the botanical community.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Khaya grandifoliola belongs to the diverse kingdom Plantae, representing a significant part of the natural world. Within this vast kingdom, the species is classified under the class Equisetopsida. It is further categorized into the order Sapindales, which connects it to a wide range of related botanical life. Moving down the taxonomic hierarchy, this plant is a member of the genus Khaya. Finally, it is identified as a distinct part of the Meliaceae family, showcasing its specific evolutionary lineage.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Sapindales |
| Family | Meliaceae |
| Genus | Khaya |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Khaya grandifoliola is a widespread species with a significant presence across the diverse landscapes of the African continent. Its distribution stretches across East Tropical Africa, including notable populations found in Uganda. Moving toward the northeast, the plant thrives within the tropical regions of Chad and the territories of Sudan and South Sudan. The species also maintains a strong foothold in West Tropical Africa, specifically within the borders of Benin and Burkina Faso. This broad geographical range highlights the plant's ability to adapt to various environmental conditions throughout the tropics.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Khaya grandifoliola is a majestic tree characterized by its impressive and sturdy growth form. As a self-supporting species, it stands firmly on its own within its natural habitat. This tree typically reaches a significant stature, often attaining a maximum height of 30 meters. However, under optimal conditions, it can grow even larger, reaching a peak height of up to 40 meters.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Khaya grandifoliola is a prominent African tree species that holds significant medicinal value beyond its well-known utility in the wood industry. Scientific investigations have validated various biological activities of the plant, demonstrating its potent anticancer properties. Additionally, extracts from this species have shown effective antidiabetic and antimicrobial activities. The plant also serves a vital role in traditional medicine due to its proven hepatoprotective effects. These diverse pharmacological benefits highlight the importance of conserving this vulnerable species to support future therapeutic developments.
Compounds
Khaya grandifoliola is a medicinal plant recognized for its diverse chemical composition and therapeutic potential. Scientific investigations have identified several key bioactive compounds within its stem bark, including the limonoid deacetylkhayanolide E. The plant also serves as a significant source of polyphenols, which contribute to its strong antioxidant capacity. Detailed chemical analyses further reveal the presence of gallic acid and linolelaidic acid within its metabolites. These various constituents play critical roles in the plant's ability to interact with biological pathways, particularly in the management of metabolic and oxidative stress.
Conditions
Khaya grandifoliola serves as a potent medicinal agent used for the treatment of malaria, particularly through its ability to inhibit the Plasmodium falciparum transketolase enzyme. The plant also demonstrates significant antioxidant properties by acting as a scavenger of 2,2-Diphenyl-Picryl-Hydrazyl radicals. Scientific reviews further validate its diverse pharmacological benefits, including anti-sickling and anti-ulcerogenic activities. Additionally, the plant exhibits anticancer properties that contribute to its extensive ethnomedicinal importance.
Preparations
Khaya grandifoliola is prepared as a hydro-ethanolic extract to investigate its protective effects against heavy metals-induced injuries. This specific hydro-ethanolic extract is derived directly from the plant's stem bark. Researchers utilize the stem bark of Khaya grandifoliola as a source to isolate various chemical compounds, such as limonoids. The preparation of the stem bark into an extract allows for the assessment of its antioxidant capacity and medicinal properties. Consequently, both the stem bark and its hydro-ethanolic form serve as primary subjects in studies regarding the plant's therapeutic potential.
Parts used
Khaya grandifoliola is a significant medicinal plant that offers various therapeutic benefits through its specific anatomical components. Research highlights that the stem of this species is a primary source of bioactive compounds, particularly when utilizing the stem bark for extracts. For instance, hydro-ethanolic extracts derived from the stem bark have demonstrated a powerful ability to attenuate hepato-renal injuries caused by heavy metal exposure. Furthermore, the stem bark serves as a rich reservoir for specialized chemical structures, including various limonoids such as deacetylkhayanolide E. By leveraging these parts of the plant, scientists continue to uncover new ways to combat oxidative stress and metal bioaccumulation.