Clausena excavata
Clausena excavata · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Clausena excavata is a botanical species that has garnered significant scientific interest due to its potent antiplasmodial and cytotoxic activities. Research focusing on the crude methanol extract and methanol extract from the stem bark has revealed a diverse profile of bioactive secondary metabolites. Specifically, chemical investigations have identified key compounds such as clausarin, clausenidin, clausine D, and dentatin within the plant's stem and leaf components. Through the analysis of partitioned layers and chromatographic fractions, studies aim to evaluate the plant's potential effectiveness against malaria, particularly targeting Plasmodium falciparum. Consequently, this species represents a promising subject for the development of new therapeutic agents in the fight against parasitic diseases.
- Synonyms
- Clausena Sumatrana · Clausena Moningerae · 15 more
- Common names
- Not available
- Family
- Rutaceae
- Distribution
- Southern America
- Plant Parts
- Stem · Leaf
Classification
Common Names
Clausena excavata is a versatile plant recognized by a diverse array of local and common names. It is frequently referred to as the Coffee Bush or the False Curry Leaf Tree due to its distinct characteristics. In various regions, people also know it by the name Tikusan. Its cultural significance is further highlighted by traditional names such as châm châu. Additionally, it is identified in certain contexts as vampi-do-vietnã.
Sources: Catalogue of Life (COL)
Synonyms
Clausena excavata is a botanical species characterized by a complex history of taxonomic classification. Throughout various studies, it has been identified by several synonyms, including Amyris punctata and Amyris sumatrana. The plant's identity is further expanded by its recognized varieties, specifically Clausena excavata var. lunulata and Clausena excavata var. villosa. Additionally, historical records link this species to the name Clausena forbesii. Understanding these diverse nomenclatural relationships is essential for accurate scientific communication regarding the plant.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Clausena excavata is a unique organism that belongs to the vast kingdom Plantae. Within this diverse biological realm, it is specifically classified under the class Equisetopsida. As a member of the order Sapindales, it shares evolutionary ties with many other significant woody plants. This species is further nested within the family Rutaceae, a group often recognized for its aromatic qualities. Ultimately, it is identified by its specific genus, Clausena, which defines its distinct botanical identity.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Sapindales |
| Family | Rutaceae |
| Genus | Clausena |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Clausena excavata maintains a broad and diverse geographic range that spans across several major regions. In the western hemisphere of the Indian Ocean, the species is widely distributed throughout Africa and the Seychelles. Moving toward the Asian continent, it thrives within various temperate zones, specifically across South-Central and Southeast China. The plant's presence is also firmly established in the tropical climate of Hainan and the island of Taiwan. This wide distribution highlights the species' ability to adapt to various environments across the Eastern and Western Indian Ocean corridors.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Clausena excavata is a self-supporting tree that maintains a sturdy and upright growth form. This species typically reaches a maximum height of 8 meters as it matures. Its structural stability allows it to thrive within its natural ecosystem.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Clausena excavata is a medicinal plant widely distributed in Southeast Asia that has demonstrated significant pharmacological potential. Research into its stem bark has revealed several pyranocoumarins that possess potent antiplasmodial activity against multidrug-resistant strains of Plasmodium falciparum. Beyond treating malaria, specific compounds isolated from this plant also exhibit notable cytotoxic properties. These derivatives have shown the ability to target various human cancer cell lines, including A549, MCF7, and KB. Consequently, the diverse biological activities of Clausena excavata make it a promising source for developing new anti-malarial and anti-cancer therapies.
Compounds
Clausena excavata is a medicinal plant that serves as a rich source of various bioactive chemical constituents. Phytochemical studies have successfully isolated several pyranocoumarins from the plant, including clausarin, clausenidin, and nordentatin. Beyond these pyranocoumarins, researchers have also identified specific indole and carbazole derivatives within its stems and leaves. Notable compounds found in these extracts include 1H-indole-3-carboxaldehyde and 3-formylcarbazole. These diverse chemical components contribute to the plant's wide range of therapeutic potential in treating various ailments.
Conditions
Clausena excavata demonstrates significant antimicrobial activity by treating both Gram-positive and Gram-negative bacteria. The plant also exhibits anti-malarial properties through its ability to treat Plasmodium falciparum. Research into its chemical constituents reveals potent anti-rheumatoid arthritis activities by inhibiting the proliferation of synovial fibroblast cells. Additionally, specific alkaloids isolated from the stem bark provide antiplatelet aggregation effects. Finally, extracts from the plant show a potent, concentration-dependent ability to treat iNOS protein expression in mouse macrophages.
Preparations
Clausena excavata is prepared as stem bark to facilitate the isolation of various bioactive compounds. This stem bark is further processed as a methanol extract from the stem bark for phytochemical studies. Researchers also utilize the plant when it is prepared as a crude methanol extract to identify specific alkaloids and coumarins. To further refine these substances, the plant material is prepared as partitioned layers. Finally, Clausena excavata is prepared as chromatographic fractions to reveal the presence of both promotive and inhibitive constituents.
Parts used
Clausena excavata is a medicinal tree plant native to Southeast Asia and China that contains various valuable secondary metabolites. Scientific research has focused heavily on isolating unique chemical constituents from the plant's different structural components. Specifically, studies have successfully extracted diverse compounds, including carbazole alkaloids, from both the stem and the leaf of the species. These isolated substances from the stems and leaves have demonstrated significant biological activities, such as anti-rheumatoid arthritis and anti-malarial effects. By analyzing these specific plant parts, researchers continue to uncover the genetic and chemical potential of this species for future drug development.