Tephrosia purpurea
Tephrosia purpurea · Accepted scientific name
Scientific literature: Very Sparse (5 studies) · ★☆☆☆☆
Tephrosia purpurea is a versatile medicinal plant that offers significant therapeutic potential through various chemical compounds. The leaves are frequently utilized to create ethanolic and methanolic extracts, which serve as rich sources of bioactive constituents like deguelin, glabratephrin, (+)-tephrorin B, and (+)-tephrosone. These chemical profiles enable the plant to perform diverse biological activities, including acting as an antioxidant, an acaricide, and an aldehyde-oxidase inhibitor. Furthermore, its ability to function as a 5-HT inhibitor suggests promising applications in managing conditions such as anxiety, bipolar disorder, asthma, and blood glucose levels. Consequently, this species remains a subject of intense pharmacological interest due to its complex medicinal properties.
- Synonyms
- Galega Purpurea · Cracca Purpurea
- Common names
- Not available
- Family
- Fabaceae
- Distribution
- Not available
- Plant Parts
- Leaf
Classification
Common Names
Tephrosia purpurea is a versatile plant recognized by many different names across various regions. It is frequently referred to by its common English name, the Purple Hoarypea. In certain local contexts, the species is known as Ahuhu or Auhuhu. It also carries the name Hola, reflecting its cultural significance in specific areas. Furthermore, it is famously identified as the Hawaiian Fish Poisoning Plant due to its unique historical uses.
Sources: Catalogue of Life (COL)
Synonyms
Tephrosia purpurea is a botanical species that is frequently identified through various taxonomic designations. Within scientific literature, it is recognized by several synonyms that reflect its complex classification history. For instance, the plant is often referred to as Cracca purpurea in certain botanical contexts. It is also documented under the name Galega purpurea, adding another layer to its nomenclatural identity. Understanding these synonymous relationships is essential for researchers studying the plant's diverse lineage.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Tephrosia purpurea is a fascinating biological specimen belonging to the kingdom Plantae. Within this vast kingdom, it is specifically classified under the class Equisetopsida. Its taxonomic journey continues through the order Fabales, which connects it to a diverse group of flowering plants. This species is a proud member of the family Fabaceae, a group known for its significant ecological roles. Ultimately, it is identified by its unique genetic identity within the genus Tephrosia.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Tephrosia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Tephrosia purpurea is a versatile plant species with a broad geographical presence across the African continent. Its native range extends through East Tropical Africa, where it can be found in the diverse landscapes of Kenya, Tanzania, and Uganda. The species also thrives in the unique environments of Macaronesia, specifically within the Cape Verde islands. Furthermore, its distribution reaches into Northeast Tropical Africa, encompassing regions such as Chad. This wide-reaching footprint highlights the plant's ability to adapt to various African ecological zones.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Tephrosia purpurea is a versatile plant characterized by its distinct shrub growth form. As a self-supporting species, it maintains its structure independently within its natural habitat. The plant exhibits a wide range of sizes, with heights reaching a maximum of 3 meters. Depending on environmental conditions, individual specimens may stand as small as 0.1 meters tall. However, most typical growth often begins at a minimum height of approximately 0.6 meters.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Tephrosia purpurea exhibits a diverse range of pharmacological activities that support its traditional use in various medicinal systems. Research indicates that the plant possesses significant antioxidant and antigout properties, demonstrating effectiveness in inhibiting xanthine oxidase. Additionally, the methanolic extract of the whole plant functions as a potent spasmolytic, providing relaxant effects on gastrointestinal contractions. Its ability to act as a bronchodilator suggests potential therapeutic utility in managing conditions such as asthma. Furthermore, the plant's vasorelaxant activity points toward its possible application in treating hypertension through calcium channel blockade.
Compounds
Tephrosia purpurea is a therapeutically significant medicinal plant that serves as a rich source of diverse phytochemicals. Scientific investigations have identified that the plant contains several important compounds, including deguelin and lupeol, which can be used as chemical markers for quality control. Furthermore, the aerial parts of the plant yield rare prenylated flavonoids such as glabratephrin and isoglabratephrin. Research also highlights the presence of lanceolarin, a molecule that has been studied for its potential inhibitory effects against viral proteases. These various chemical constituents underscore the plant's vast potential for drug discovery and standardized herbal medicine.
Conditions
Tephrosia purpurea demonstrates significant therapeutic potential by treating K+(80 mM)-induced spastic contractions through calcium channel blockade. The plant's constituent, Glabratephrin, effectively treats Pgp-expressing tumors by reversing doxorubicin resistance in triple-negative breast cancer cells. In studies using the pylorus ligation method, extracts of the plant show synergistic anti-ulcer activity to reduce gastric lesions. Furthermore, its extracts exhibit potent antigout activity by inhibiting xanthine oxidase in a manner similar to allopurinol. Finally, network pharmacology evaluations highlight the plant's capacity to treat anxiety and other neuropsychiatric comorbidities.
Preparations
Tephrosia purpurea is utilized as a medicinal plant that can be prepared as various forms of extracts to investigate its therapeutic properties. Specifically, it is prepared as ethanolic leaf extracts to evaluate synergistic antiulcer activity in animal models. The plant is also prepared as a methanolic extract to study its spasmolytic, bronchodilator, and vasorelaxant effects. Furthermore, researchers have prepared a methylenechloride/methanol (1:1) extract of its aerial parts to isolate specific chemical constituents like aromatic esters and flavonoids. These diverse preparations highlight the plant's versatility in pharmacological and chemical research.
Parts used
Tephrosia purpurea possesses significant medicinal properties that are primarily derived from its leaf. Research indicates that aqueous extracts of these leaves can effectively lower blood glucose levels and normalize lipid profiles in diabetic models. Additionally, the plant's ethanolic leaf extracts have demonstrated potent antiulcer activities when administered to subjects with gastric lesions. When used in combination with other medicinal plants like Bacopa monnieri, the leaf extract shows a synergistic effect that enhances protection against ulcers. Ultimately, these studies highlight the diverse therapeutic potential found within the leaves of this specific species.